{"insert":{"user_id":"5000005612","type":"published_papers","id":"54250675"},"force":{"see_also":[{"@id":"https://tokushima-u.repo.nii.ac.jp/records/2014721","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=465056","label":"url"}],"paper_title":{"en":"Enhanced HTO Separation from H2O by Membrane Distillation: The Crucial Role of Montmorillonite Clay in Gasliquid Exchange for HTO Capture","ja":"Enhanced HTO Separation from H2O by Membrane Distillation: The Crucial Role of Montmorillonite Clay in Gasliquid Exchange for HTO Capture"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Fujiwara Masahiro"}],"ja":[{"name":"三好 弘一"},{"name":"Fujiwara Masahiro"}]},"publication_date":"2026-06-25","publication_name":{"en":"ACS Omega","ja":"ACS Omega"},"languages":["eng"],"referee":true,"identifiers":{"doi":["10.1021/acsomega.5c11772"],"issn":["2470-1343"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
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{"insert":{"user_id":"5000005612","type":"published_papers","id":"44011598"},"force":{"see_also":[{"@id":"https://tokushima-u.repo.nii.ac.jp/records/2011513","label":"url"},{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/37940520","label":"url"},{"@id":"https://www.scopus.com/pages/publications/85176456760","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=403775","label":"url"}],"paper_title":{"en":"Early Prediction of Radiotherapeutic Efficacy in a Mouse Model of Non-Small Cell Lung Carcinoma Using18F-FLT and18F-FDG PET / CT","ja":"Early Prediction of Radiotherapeutic Efficacy in a Mouse Model of Non-Small Cell Lung Carcinoma Using18F-FLT and18F-FDG PET / CT"},"authors":{"en":[{"name":"Otani Tamaki"},{"name":"Ikushima Hitoshi"},{"name":"Bando Yoshimi"},{"name":"Yamashita Michiko"},{"name":"Kuwahara Kenmei"},{"name":"Otsuka Hideki"},{"name":"Kondo Kazuya"},{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"大谷 環樹"},{"name":"生島 仁史"},{"name":"坂東 良美"},{"name":"山下 理子"},{"name":"Kuwahara Kenmei"},{"name":"大塚 秀樹"},{"name":"近藤 和也"},{"name":"三好 弘一"}]},"description":{"en":"This study investigated the usefulness of [18F]-3'-deoxy-3'-fluorothymidine (18F-FLT) and [18F]-fluoro-2-deoxy-D-glucose (18F-FDG) positron emission tomography (PET)/computed tomography (CT) imaging for predicting the therapeutic efficacy of non-small cell lung cancer (NSCLC) irradiation at an early stage after radiation treatment. Mice were xenografted with the human lung adenocarcinoma line A549 or large cell lung cancer line FT821. Tumour uptake of 18F-FLT and 18F-FDG was imaged using PET/CT before and 1 week after irradiation. In A549 tumours, 18F-FLT uptake was significantly decreased, and 18F-FDG uptake was unchanged post-irradiation compared with pre-irradiation. In FT821 tumours, uptake of both 18F-FLT and 18F-FDG uptake was substantially decreased post-irradiation compared with pre-irradiation. In both xenografts, tumour volumes in the irradiated groups were significantly decreased compared with those in the control group. 18F-FLT is expected to contribute to individual NSCLC therapy because it accurately evaluates the decrease in tumour activity that cannot be captured by 18F-FDG. 18F-FDG may be useful for evaluating surviving cells without being affected by the inflammatory reaction at an extremely early stage, approximately 1 week after irradiation. Combined use of 18F-FLT and 18F-FDG PET/CT imaging may increase the accurate prediction of radiotherapy efficacy, which may lead to improved patient outcomes and minimally invasive personalised therapy. J. Med. Invest. 70 : 361-368, August, 2023.","ja":"This study investigated the usefulness of [18F]-3'-deoxy-3'-fluorothymidine (18F-FLT) and [18F]-fluoro-2-deoxy-D-glucose (18F-FDG) positron emission tomography (PET)/computed tomography (CT) imaging for predicting the therapeutic efficacy of non-small cell lung cancer (NSCLC) irradiation at an early stage after radiation treatment. Mice were xenografted with the human lung adenocarcinoma line A549 or large cell lung cancer line FT821. Tumour uptake of 18F-FLT and 18F-FDG was imaged using PET/CT before and 1 week after irradiation. In A549 tumours, 18F-FLT uptake was significantly decreased, and 18F-FDG uptake was unchanged post-irradiation compared with pre-irradiation. In FT821 tumours, uptake of both 18F-FLT and 18F-FDG uptake was substantially decreased post-irradiation compared with pre-irradiation. In both xenografts, tumour volumes in the irradiated groups were significantly decreased compared with those in the control group. 18F-FLT is expected to contribute to individual NSCLC therapy because it accurately evaluates the decrease in tumour activity that cannot be captured by 18F-FDG. 18F-FDG may be useful for evaluating surviving cells without being affected by the inflammatory reaction at an extremely early stage, approximately 1 week after irradiation. Combined use of 18F-FLT and 18F-FDG PET/CT imaging may increase the accurate prediction of radiotherapy efficacy, which may lead to improved patient outcomes and minimally invasive personalised therapy. J. Med. Invest. 70 : 361-368, August, 2023."},"publication_date":"2023-08","publication_name":{"en":"The Journal of Medical Investigation : JMI","ja":"The Journal of Medical Investigation : JMI"},"volume":"70","number":"3,4","starting_page":"361","ending_page":"368","languages":["eng"],"referee":true,"identifiers":{"doi":["10.2152/jmi.70.361"],"issn":["1349-6867"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
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{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/29436593","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=349400","label":"url"}],"paper_title":{"en":"L-histidine augments the oxidative damage against Gram-negative bacteria by hydrogen peroxide","ja":"L-histidine augments the oxidative damage against Gram-negative bacteria by hydrogen peroxide"},"authors":{"en":[{"name":"Nagao Tamiko"},{"name":"Nakayama-Imaohji Haruyuki"},{"name":"Etahi Miad"},{"name":"Tada Ayano"},{"name":"Toyonaga Emika"},{"name":"Yamasaki Hisashi"},{"name":"Okazaki Katsuichiro"},{"name":"Miyoshi Hirokazu"},{"name":"Tsuchiya Koichiro"},{"name":"Kuwahara Tomomi"}],"ja":[{"name":"Nagao Tamiko"},{"name":"Nakayama-Imaohji Haruyuki"},{"name":"Etahi Miad"},{"name":"Tada Ayano"},{"name":"Toyonaga Emika"},{"name":"Yamasaki Hisashi"},{"name":"Okazaki Katsuichiro"},{"name":"三好 弘一"},{"name":"土屋 浩一郎"},{"name":"Kuwahara Tomomi"}]},"description":{"en":"Excessive damage to DNA and lipid membranes by reactive oxygen species reduces the viability of bacteria. In the present study, the proliferation of recA-deficient Escherichia coli strains was revealed to be inhibited by 1% L-histidine under aerobic conditions. This inhibition of proliferation was not observed under anaerobic conditions, indicating that L-histidine enhances oxidative DNA damage to E. coli cells. Reverse transcription-quantitative polymerase chain reaction analysis demonstrated that the expression of recA in E. coli MG1655 increased ~7-fold following treatment with 10 mM hydrogen peroxide (H2O2) plus 1% L-histidine, compared with that following exposure to H2O2 alone. L-histidine increased the genomic fragmentation of E. coli MG1655 following exposure to H2O2. In addition, L-histidine increased the generation of intracellular hydroxyl radicals in the presence of H2O2 in E. coli cells. Next, our group investigated the disinfection properties of the H2O2 and L-histidine combination. The combination of 100 mM H2O2 and 1.0% L-histidine significantly reduced the number of viable cells of extended-spectrum-β-lactamase-producing E. coli and multidrug-resistant Pseudomonas aeruginosa, and this treatment was more effective than 100 mM H2O2 alone, but this effect was not observed in methicillin-resistant Staphylococcus aureus or vancomycin-resistant Enterococcus faecium. The combination of L-histidine and H2O2 may be a useful strategy to selectively increase the microbicidal activity of oxidative agents against Gram-negative bacteria.","ja":"Excessive damage to DNA and lipid membranes by reactive oxygen species reduces the viability of bacteria. In the present study, the proliferation of recA-deficient Escherichia coli strains was revealed to be inhibited by 1% L-histidine under aerobic conditions. This inhibition of proliferation was not observed under anaerobic conditions, indicating that L-histidine enhances oxidative DNA damage to E. coli cells. Reverse transcription-quantitative polymerase chain reaction analysis demonstrated that the expression of recA in E. coli MG1655 increased ~7-fold following treatment with 10 mM hydrogen peroxide (H2O2) plus 1% L-histidine, compared with that following exposure to H2O2 alone. L-histidine increased the genomic fragmentation of E. coli MG1655 following exposure to H2O2. In addition, L-histidine increased the generation of intracellular hydroxyl radicals in the presence of H2O2 in E. coli cells. Next, our group investigated the disinfection properties of the H2O2 and L-histidine combination. The combination of 100 mM H2O2 and 1.0% L-histidine significantly reduced the number of viable cells of extended-spectrum-β-lactamase-producing E. coli and multidrug-resistant Pseudomonas aeruginosa, and this treatment was more effective than 100 mM H2O2 alone, but this effect was not observed in methicillin-resistant Staphylococcus aureus or vancomycin-resistant Enterococcus faecium. The combination of L-histidine and H2O2 may be a useful strategy to selectively increase the microbicidal activity of oxidative agents against Gram-negative bacteria."},"publication_date":"2018-02-07","publication_name":{"en":"International Journal of Molecular Medicine","ja":"International Journal of Molecular Medicine"},"volume":"41","number":"5","starting_page":"2847","ending_page":"2854","languages":["eng"],"referee":true,"identifiers":{"doi":["10.3892/ijmm.2018.3473"],"issn":["1791-244X"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/27664433","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=320591","label":"url"}],"paper_title":{"en":"Preparation of new scintillation imaging material composed of scintillator-silica fine powders and its imaging of tritium","ja":"Preparation of new scintillation imaging material composed of scintillator-silica fine powders and its imaging of tritium"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Hiroura Mitsunori"},{"name":"Tsujimoto Kazunori"},{"name":"Irikura Namiko"},{"name":"Otani Tamaki"},{"name":"Shinohara Yasuo"}],"ja":[{"name":"三好 弘一"},{"name":"Hiroura Mitsunori"},{"name":"Tsujimoto Kazunori"},{"name":"入倉 奈美子"},{"name":"大谷 環樹"},{"name":"篠原 康雄"}]},"description":{"en":"A new scintillation imaging material [scintillator-silica fine powder (FP)] was prepared using silica FPs and scintillator-encapsulating silica nanoparticles (NPs) (scintillator-silica NPs). The wt% values of scintillator-silica NPs on the scintillator-silica FPs were 38, 43, 36 and 44%. Scintillation images of 3H, 63Ni, 35S, 33P, 204Tl, 89Sr and 32P dropped on the scintillator-silica FPs were obtained at about 37 kBq per 0.1-10 µl with a charge-coupled device (CCD) imager for a 5 min exposure. In particular, high-intensity CCD images of 35S were selectively obtained using the 2.25, 4.77 and 10 µm silica FPs with scintillator-silica NPs owing to the residual S of dimethyl sulfoxide in the preparation. Scintillation images of 3H at 1670 ± 9 Bq/0.5 µl and 347 ± 6 Bq/0.5 µl dropped in a 2 mm hole on the scintillator-silica FPs (6.78 and 10 µm) were also obtained using the CCD imager for a 2 h exposure.","ja":"A new scintillation imaging material [scintillator-silica fine powder (FP)] was prepared using silica FPs and scintillator-encapsulating silica nanoparticles (NPs) (scintillator-silica NPs). The wt% values of scintillator-silica NPs on the scintillator-silica FPs were 38, 43, 36 and 44%. Scintillation images of 3H, 63Ni, 35S, 33P, 204Tl, 89Sr and 32P dropped on the scintillator-silica FPs were obtained at about 37 kBq per 0.1-10 µl with a charge-coupled device (CCD) imager for a 5 min exposure. In particular, high-intensity CCD images of 35S were selectively obtained using the 2.25, 4.77 and 10 µm silica FPs with scintillator-silica NPs owing to the residual S of dimethyl sulfoxide in the preparation. Scintillation images of 3H at 1670 ± 9 Bq/0.5 µl and 347 ± 6 Bq/0.5 µl dropped in a 2 mm hole on the scintillator-silica FPs (6.78 and 10 µm) were also obtained using the CCD imager for a 2 h exposure."},"publication_date":"2017-06-03","publication_name":{"en":"Radiation Protection Dosimetry","ja":"Radiation Protection Dosimetry"},"volume":"174","number":"4","starting_page":"478","ending_page":"484","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1093/rpd/ncw251"],"issn":["1742-3406"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=323748","label":"url"}],"paper_title":{"en":"Visualization of PVDF nanofibers coated on filter paper using fluorescein silica nanoparticles","ja":"Visualization of PVDF nanofibers coated on filter paper using fluorescein silica nanoparticles"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Yumoto Akira"},{"name":"Shono Masayuki"},{"name":"Ueki Tomoyuki"},{"name":"Itsuki Yoshinori"}],"ja":[{"name":"三好 弘一"},{"name":"Yumoto Akira"},{"name":"庄野 正行"},{"name":"植木 智之"},{"name":"Itsuki Yoshinori"}]},"publication_date":"2017-03","publication_name":{"en":"Journal of Applied Polymer Science","ja":"Journal of Applied Polymer Science"},"volume":"134","number":"30","starting_page":"45125","ending_page":"45125","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1002/app.45125"],"issn":["1097-4628"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
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{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/27894045","label":"url"},{"@id":"https://www.scopus.com/pages/publications/84998886255","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=321387","label":"url"}],"paper_title":{"en":"Scintillation imaging of tritium radioactivity distribution during tritiated thymidine uptake by PC12 cells using a melt-on scintillator","ja":"Scintillation imaging of tritium radioactivity distribution during tritiated thymidine uptake by PC12 cells using a melt-on scintillator"},"authors":{"en":[{"name":"Irikura Namiko"},{"name":"Miyoshi Hirokazu"},{"name":"Shinohara Yasuo"}],"ja":[{"name":"入倉 奈美子"},{"name":"三好 弘一"},{"name":"篠原 康雄"}]},"description":{"en":"A scintillation image of tritium fixed in a melt-on scintillator was obtained using a charged-coupled device (CCD) imager, and a linear relationship was observed between the intensity of the scintillation image and the radioactivity of tritium. In a [(3)H]thymidine uptake experiment, a linear correlation between the intensity of the CCD image and the dilution ratio of cells was confirmed. Scintillation imaging has the potential for use in direct observation of tritium radioactivity distribution.","ja":"A scintillation image of tritium fixed in a melt-on scintillator was obtained using a charged-coupled device (CCD) imager, and a linear relationship was observed between the intensity of the scintillation image and the radioactivity of tritium. In a [(3)H]thymidine uptake experiment, a linear correlation between the intensity of the CCD image and the dilution ratio of cells was confirmed. Scintillation imaging has the potential for use in direct observation of tritium radioactivity distribution."},"publication_date":"2016-11-15","publication_name":{"en":"Applied Radiation and Isotopes","ja":"Applied Radiation and Isotopes"},"volume":"120","starting_page":"11","ending_page":"16","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/j.apradiso.2016.11.003"],"issn":["1872-9800"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
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{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://tokushima-u.repo.nii.ac.jp/records/2012751","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=305809","label":"url"}],"paper_title":{"en":"Silica-nanocapsule-doped CR-39 for fluorescence detection of Xrays","ja":"Silica-nanocapsule-doped CR-39 for fluorescence detection of Xrays"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Kida Fumio"},{"name":"Hase Hitoshi"},{"name":"Tsuchiya Koichiro"}],"ja":[{"name":"三好 弘一"},{"name":"Kida Fumio"},{"name":"Hase Hitoshi"},{"name":"土屋 浩一郎"}]},"publication_date":"2015-12-02","publication_name":{"en":"Physics Procedia","ja":"Physics Procedia"},"volume":"80","starting_page":"90","ending_page":"93","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/j.phpro.2015.11.100"],"issn":["1875-3892"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/130005093274/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390001205226450816/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=298421","label":"url"}],"paper_title":{"en":"Simultaneous Measurement of Dispersal and Adhesion Rates of Tritium using Filter Paper and a Model Room","ja":"モデルルームとろ紙を用いたトリチウムの空気中飛散率と壁面付着率の同時測定"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"森脇 崇"},{"name":"川口 佳彦"},{"name":"Nakayama Shintaro"}],"ja":[{"name":"三好 弘一"},{"name":"森脇 崇"},{"name":"川口 佳彦"},{"name":"中山 信太郎"}]},"description":{"en":"Tritium dispersal rate in the air and adhesion rate on the wall from a 3H-ATP aqueous solution were simultaneously measured using a model room having six pieces of filter paper attached on the wall. A distribution of tritium on each wall was obtained from the radioactivity of each filter paper divided into 9 pieces. During an exposure time of 2 h to 24 h both dispersal and adhesion rates indicated a similar behavior. With the passage time from the purchase until 13 months both dispersal and adhesion rates linearly increased and it was found that about 0.15% per one month increased as the total rates of dispersal and adhesion.","ja":"Tritium dispersal rate in the air and adhesion rate on the wall from a 3H-ATP aqueous solution were simultaneously measured using a model room having six pieces of filter paper attached on the wall. A distribution of tritium on each wall was obtained from the radioactivity of each filter paper divided into 9 pieces. During an exposure time of 2 h to 24 h both dispersal and adhesion rates indicated a similar behavior. With the passage time from the purchase until 13 months both dispersal and adhesion rates linearly increased and it was found that about 0.15% per one month increased as the total rates of dispersal and adhesion."},"publication_date":"2015-08-10","publication_name":{"en":"Japanese Journal of Radiation Safety Management","ja":"日本放射線安全管理学会誌"},"volume":"14","number":"1","starting_page":"27","ending_page":"31","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.11269/jjrsm.14.27"],"issn":["1347-1503"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://tokushima-u.repo.nii.ac.jp/records/2002935","label":"url"},{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/25921487","label":"url"},{"@id":"https://www.scopus.com/pages/publications/84937518832","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=309560","label":"url"}],"paper_title":{"en":"Utility of respiratory-gated small-animal PET/CT in the chronologic evaluation of an orthotopic lung cancer transplantation mouse model.","ja":"Utility of respiratory-gated small-animal PET/CT in the chronologic evaluation of an orthotopic lung cancer transplantation mouse model."},"authors":{"en":[{"name":"Otani Tamaki"},{"name":"Otsuka Hideki"},{"name":"Kondo Kazuya"},{"name":"Takizawa Hiromitsu"},{"name":"Nagata Motoi"},{"name":"Kishida Mina"},{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"大谷 環樹"},{"name":"大塚 秀樹"},{"name":"近藤 和也"},{"name":"滝沢 宏光"},{"name":"Nagata Motoi"},{"name":"Kishida Mina"},{"name":"三好 弘一"}]},"description":{"en":"Our aim in this study was to clarify the effects of respiratory-gated PET in the evaluation of lung cancer according to the (18)F-FDG uptake in an orthotopic transplantation mouse model. We created such a model, and we performed PET/CT. The mice were divided into two groups according to tumor volume: a small-tumor group (<20 mm(3)) and a large-tumor group (>20 mm(3)). We reconstructed the following conditions based on list-mode data: non-gated (3D) images and gated (4D) images, divided based on the respiratory cycle (expiration phase, stable phase, and inspiration phase). We calculated the maximum standardized uptake values (SUVmax) in each phase. We used the % difference [= (4D SUVmax - 3D SUVmax)/3D PET SUVmax × 100 (%)] to evaluate the differences in the 4D SUVmax and 3D SUVmax. The 4D SUVmax values were significantly higher than the 3D SUVmax, regardless of the tumor size. The % difference for the small tumors was greater than that for the large tumors, and it was highest in the stable phase. We conclude that the SUVmax in the stable phase under respiratory-gated PET are the most reliable. The SUVmax observed under non-gated PET are considered to be more frequently underestimated in cases involving small tumors than in those involving large tumors. In the chronologic study evaluating the time course of tumor development, the size of the tumor is small in early stage, and respiratory-gated PET is effective in reducing the underestimation of such tumors caused by respiratory motion.","ja":"Our aim in this study was to clarify the effects of respiratory-gated PET in the evaluation of lung cancer according to the (18)F-FDG uptake in an orthotopic transplantation mouse model. We created such a model, and we performed PET/CT. The mice were divided into two groups according to tumor volume: a small-tumor group (<20 mm(3)) and a large-tumor group (>20 mm(3)). We reconstructed the following conditions based on list-mode data: non-gated (3D) images and gated (4D) images, divided based on the respiratory cycle (expiration phase, stable phase, and inspiration phase). We calculated the maximum standardized uptake values (SUVmax) in each phase. We used the % difference [= (4D SUVmax - 3D SUVmax)/3D PET SUVmax × 100 (%)] to evaluate the differences in the 4D SUVmax and 3D SUVmax. The 4D SUVmax values were significantly higher than the 3D SUVmax, regardless of the tumor size. The % difference for the small tumors was greater than that for the large tumors, and it was highest in the stable phase. We conclude that the SUVmax in the stable phase under respiratory-gated PET are the most reliable. The SUVmax observed under non-gated PET are considered to be more frequently underestimated in cases involving small tumors than in those involving large tumors. In the chronologic study evaluating the time course of tumor development, the size of the tumor is small in early stage, and respiratory-gated PET is effective in reducing the underestimation of such tumors caused by respiratory motion."},"publication_date":"2015-04-29","publication_name":{"en":"Radiological Physics and Technology","ja":"Radiological Physics and Technology"},"volume":"8","number":"2","starting_page":"266","ending_page":"277","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1007/s12194-015-0316-3"],"issn":["1865-0341"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://cir.nii.ac.jp/crid/1390001205225001088/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=288406","label":"url"}],"paper_title":{"en":"メルトオンシンチレータを用いたトリチウム放射能の画像化","ja":"メルトオンシンチレータを用いたトリチウム放射能の画像化"},"authors":{"en":[{"name":"Irikura Namiko"},{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"入倉 奈美子"},{"name":"三好 弘一"}]},"publication_date":"2014-12","publication_name":{"en":"Japanese Journal of Radiation Safety Management","ja":"日本放射線安全管理学会誌"},"volume":"13","number":"2","starting_page":"154","ending_page":"158","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.11269/jjrsm.13.154"],"issn":["1884-9512"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/84919413696","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=288405","label":"url"}],"paper_title":{"en":"In situ 18F-gamma-ray induced Ag nanoparticle formation in the presence of SiO2 nanoparticles under air","ja":"In situ 18F-gamma-ray induced Ag nanoparticle formation in the presence of SiO2 nanoparticles under air"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Otani Tamaki"},{"name":"Irikura Namiko"}],"ja":[{"name":"三好 弘一"},{"name":"大谷 環樹"},{"name":"入倉 奈美子"}]},"publication_date":"2014-12","publication_name":{"en":"Journal of Radioanalytical and Nuclear Chemistry","ja":"Journal of Radioanalytical and Nuclear Chemistry"},"volume":"302","number":"3","starting_page":"1177","ending_page":"1183","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1007/s10967-014-3359-8"],"issn":["0236-5731"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=267378","label":"url"}],"paper_title":{"en":"Decontamination of radioactivity from contaminated vegetables derived from the Fukushima nuclear accident","ja":"Decontamination of radioactivity from contaminated vegetables derived from the Fukushima nuclear accident"},"authors":{"en":[{"name":"Shiba Kazuhiro"},{"name":"Kitamura Yoji"},{"name":"Kozaka Takashi"},{"name":"Uno Izumi"},{"name":"Shimizu Kikuo"},{"name":"Masumoto Kazuyoshi"},{"name":"Hirota Masahiro"},{"name":"Higaki Shogo"},{"name":"Miyoshi Hirokazu"},{"name":"Saze Takuya"},{"name":"Sakama Minoru"},{"name":"Yanaga Makoto"}],"ja":[{"name":"Shiba Kazuhiro"},{"name":"Kitamura Yoji"},{"name":"Kozaka Takashi"},{"name":"Uno Izumi"},{"name":"Shimizu Kikuo"},{"name":"Masumoto Kazuyoshi"},{"name":"Hirota Masahiro"},{"name":"Higaki Shogo"},{"name":"三好 弘一"},{"name":"佐瀬 卓也"},{"name":"阪間 稔"},{"name":"Yanaga Makoto"}]},"publication_date":"2013-08","publication_name":{"en":"Radiation Measurements","ja":"Radiation Measurements"},"volume":"55","starting_page":"26","ending_page":"29","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/j.radmeas.2013.01.010"],"issn":["1350-4487"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://tokushima-u.repo.nii.ac.jp/records/2012641","label":"url"},{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/23696701","label":"url"},{"@id":"https://www.scopus.com/pages/publications/84877878942","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=267377","label":"url"}],"paper_title":{"en":"VCAM-1-targeted core/shell nanoparticles for selective adhesion and delivery to endothelial cells with lipopolysaccharide-induced inflammation under shear flow and cellular magnetic resonance imaging in vitro","ja":"VCAM-1-targeted core/shell nanoparticles for selective adhesion and delivery to endothelial cells with lipopolysaccharide-induced inflammation under shear flow and cellular magnetic resonance imaging in vitro"},"authors":{"en":[{"name":"Yang Hong"},{"name":"Zhao Fenglong"},{"name":"Li Ying"},{"name":"Wu Chunhui"},{"name":"Miyoshi Hirokazu"},{"name":"Liu Yiyao"}],"ja":[{"name":"Yang Hong"},{"name":"Zhao Fenglong"},{"name":"Li Ying"},{"name":"Wu Chunhui"},{"name":"三好 弘一"},{"name":"Liu Yiyao"}]},"description":{"en":"Multifunctional nanomaterials with unique magnetic and luminescent properties have broad potential in biological applications. Because of the overexpression of vascular cell adhesion molecule-1 (VCAM-1) receptors in inflammatory endothelial cells as compared with normal endothelial cells, an anti-VCAM-1 monoclonal antibody can be used as a targeting ligand. Herein we describe the development of multifunctional core-shell Fe(3)O(4)@SiO2 nanoparticles with the ability to target inflammatory endothelial cells via VCAM-1, magnetism, and fluorescence imaging, with efficient magnetic resonance imaging contrast characteristics. Superparamagnetic iron oxide and fluorescein isothiocyanate (FITC) were loaded successfully inside the nanoparticle core and the silica shell, respectively, creating VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles that were characterized by scanning electron microscopy, transmission electron microscopy, fluorescence spectrometry, zeta potential assay, and fluorescence microscopy. The VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles typically had a diameter of 355 ± 37 nm, showed superparamagnetic behavior at room temperature, and cumulative and targeted adhesion to an inflammatory subline of human umbilical vein endothelial cells (HUVEC-CS) activated by lipopolysaccharide. Further, our data show that adhesion of VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles to inflammatory HUVEC-CS depended on both shear stress and duration of exposure to stress. Analysis of internalization into HUVEC-CS showed that the efficiency of delivery of VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles was also significantly greater than that of nontargeted Fe(3)O(4)@SiO2(FITC)-NH2 nanoparticles. Magnetic resonance images showed that the superparamagnetic iron oxide cores of the VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles could also act as a contrast agent for magnetic resonance imaging. Taken together, the cumulative adhesion and uptake potential of these VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles targeted to inflammatory endothelial cells could be used in the transfer of therapeutic drugs/genes into these cells or for diagnosis of vascular disease at the molecular and cellular levels in the future.","ja":"Multifunctional nanomaterials with unique magnetic and luminescent properties have broad potential in biological applications. Because of the overexpression of vascular cell adhesion molecule-1 (VCAM-1) receptors in inflammatory endothelial cells as compared with normal endothelial cells, an anti-VCAM-1 monoclonal antibody can be used as a targeting ligand. Herein we describe the development of multifunctional core-shell Fe(3)O(4)@SiO2 nanoparticles with the ability to target inflammatory endothelial cells via VCAM-1, magnetism, and fluorescence imaging, with efficient magnetic resonance imaging contrast characteristics. Superparamagnetic iron oxide and fluorescein isothiocyanate (FITC) were loaded successfully inside the nanoparticle core and the silica shell, respectively, creating VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles that were characterized by scanning electron microscopy, transmission electron microscopy, fluorescence spectrometry, zeta potential assay, and fluorescence microscopy. The VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles typically had a diameter of 355 ± 37 nm, showed superparamagnetic behavior at room temperature, and cumulative and targeted adhesion to an inflammatory subline of human umbilical vein endothelial cells (HUVEC-CS) activated by lipopolysaccharide. Further, our data show that adhesion of VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles to inflammatory HUVEC-CS depended on both shear stress and duration of exposure to stress. Analysis of internalization into HUVEC-CS showed that the efficiency of delivery of VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles was also significantly greater than that of nontargeted Fe(3)O(4)@SiO2(FITC)-NH2 nanoparticles. Magnetic resonance images showed that the superparamagnetic iron oxide cores of the VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles could also act as a contrast agent for magnetic resonance imaging. Taken together, the cumulative adhesion and uptake potential of these VCAM-1-targeted Fe(3)O(4)@SiO2(FITC) nanoparticles targeted to inflammatory endothelial cells could be used in the transfer of therapeutic drugs/genes into these cells or for diagnosis of vascular disease at the molecular and cellular levels in the future."},"publication_date":"2013-05-13","publication_name":{"en":"International Journal of Nanomedicine","ja":"International Journal of Nanomedicine"},"volume":"8","starting_page":"1897","ending_page":"1906","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.2147/IJN.S44997"],"issn":["1178-2013"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/130003367660/","label":"url"},{"@id":"https://tokushima-u.repo.nii.ac.jp/records/2006684","label":"url"},{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/23609860","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390282681337767040/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=259776","label":"url"}],"paper_title":{"en":"Proposal of an experiment of the cloud chamber using the diagnostic X-ray apparatus and an analysis assisted by the simulation code","ja":"診断用X線装置を用いた霧箱実験の提案とシミュレーションコードを援用した解析"},"authors":{"en":[{"name":"Hayashi Hiroaki"},{"name":"Hanamitsu Hiroki"},{"name":"Nishihara Sadamitsu"},{"name":"Ueno Junji"},{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"林 裕晃"},{"name":"花光 宏樹"},{"name":"西原 貞光"},{"name":"上野 淳二"},{"name":"三好 弘一"}]},"description":{"en":"A cloud chamber is a radiation detector that can visualize the tracks of charged particles. In this study, we developed a middle-type cloud chamber for use in practical training using a diagnostic X-ray apparatus. Because our cloud chamber has a heater to vaporize ethanol and features antifogging glass, it is possible to observe the vapor trails for a long time without the need for fine adjustments. X-rays with a tube voltage of 40 kV or of 120 kV (with a 21-mm aluminum filter) were irradiated at the chamber and the various phenomena were observed. We explain these phenomena in terms of the range of electrons and/or interactions between X-rays and matter and conclude that our analysis is consistent with analysis using the Monte Carlo simulation code EGS5.","ja":"A cloud chamber is a radiation detector that can visualize the tracks of charged particles. In this study, we developed a middle-type cloud chamber for use in practical training using a diagnostic X-ray apparatus. Because our cloud chamber has a heater to vaporize ethanol and features antifogging glass, it is possible to observe the vapor trails for a long time without the need for fine adjustments. X-rays with a tube voltage of 40 kV or of 120 kV (with a 21-mm aluminum filter) were irradiated at the chamber and the various phenomena were observed. We explain these phenomena in terms of the range of electrons and/or interactions between X-rays and matter and conclude that our analysis is consistent with analysis using the Monte Carlo simulation code EGS5."},"publication_date":"2013-04-22","publication_name":{"en":"Japanese Journal of Radiological Technology","ja":"日本放射線技術学会雑誌"},"volume":"69","number":"4","starting_page":"386","ending_page":"392","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.6009/jjrt.2013_JSRT_69.4.386"],"issn":["0369-4305"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=260955","label":"url"}],"paper_title":{"en":"Preparation of Paper Scintillator for Detecting 3H Contaminant","ja":"Preparation of Paper Scintillator for Detecting 3H Contaminant"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Ikeda Toshiji"}],"ja":[{"name":"三好 弘一"},{"name":"池田 稔治"}]},"publication_date":"2013-04-04","publication_name":{"en":"Radiation Protection Dosimetry","ja":"Radiation Protection Dosimetry"},"volume":"156","number":"3","starting_page":"277","ending_page":"282","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1093/rpd/nct079"],"issn":["1742-3406"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/130003379061/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390001205225487104/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=251640","label":"url"}],"paper_title":{"en":"Removal of radioactive iodine and cesium species from rainwater by a pot-type water purifier and chemical and physical analysis of radioactive components in rainwater","ja":"Removal of radioactive iodine and cesium species from rainwater by a pot-type water purifier and chemical and physical analysis of radioactive components in rainwater"},"authors":{"en":[{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"三好 弘一"}]},"description":{"en":"A pot-type water purifier captured 98% of the nonradioactive iodine and iodide when an ion-exchange resin and activated carbon were used. Approximately 93.8% of 131I, 74 to 84.5% of 134Cs, and 75 to 81.1% of 137Cs in rainwater were captured after six repeated purifications using the purifier. The remaining 6.2% of 131I was not removed by isotope exchange with nonradioactive I- or by reduction to I- using Na2S2O4. Approximately 19% of 131I, 40% of 134Cs, and 33% of 137Cs were adsorbed on the silica gel. Analysis of the removal rates of 73% for the mixed ion exchange resin, 59% for the silver ions, and 18% for the silver nanoparticle-bound clay indicated that the content of 131I adsorbed particles components was 23%. The concentration ratio of radioactive components in rainwater decreased from 5.9 to 1.4 upon ultrafiltration with a YM-1 membrane filter, indicating that a soft aggregation of the aerosol occurred. The IP and γ-ray spectrum analysis of the filter produced a cottonlike image of 131I. Analysis of the TEM image and its electron diffraction pattern indicated the aggregation of a small fraction of the SiO2 aerosol. The coagulation of radioactive components in rainwater using I-adsorbed SiO2 nanoparticles may be due to the exchange of the 131I isotope with I in I-SiO2 and the adsorption of 134Cs+ and 137Cs+ on the surface of SiO2 or the precipitation of the 131I-adsorbed aerosol and 134Cs- and 137Cs-adsorbed aerosols.","ja":"A pot-type water purifier captured 98% of the nonradioactive iodine and iodide when an ion-exchange resin and activated carbon were used. Approximately 93.8% of 131I, 74 to 84.5% of 134Cs, and 75 to 81.1% of 137Cs in rainwater were captured after six repeated purifications using the purifier. The remaining 6.2% of 131I was not removed by isotope exchange with nonradioactive I- or by reduction to I- using Na2S2O4. Approximately 19% of 131I, 40% of 134Cs, and 33% of 137Cs were adsorbed on the silica gel. Analysis of the removal rates of 73% for the mixed ion exchange resin, 59% for the silver ions, and 18% for the silver nanoparticle-bound clay indicated that the content of 131I adsorbed particles components was 23%. The concentration ratio of radioactive components in rainwater decreased from 5.9 to 1.4 upon ultrafiltration with a YM-1 membrane filter, indicating that a soft aggregation of the aerosol occurred. The IP and γ-ray spectrum analysis of the filter produced a cottonlike image of 131I. Analysis of the TEM image and its electron diffraction pattern indicated the aggregation of a small fraction of the SiO2 aerosol. The coagulation of radioactive components in rainwater using I-adsorbed SiO2 nanoparticles may be due to the exchange of the 131I isotope with I in I-SiO2 and the adsorption of 134Cs+ and 137Cs+ on the surface of SiO2 or the precipitation of the 131I-adsorbed aerosol and 134Cs- and 137Cs-adsorbed aerosols."},"publication_date":"2013-03-28","publication_name":{"en":"Radiation Safety Management","ja":"Radiation Safety Management"},"volume":"12","number":"1","starting_page":"1","ending_page":"8","languages":["eng"],"referee":true,"identifiers":{"doi":["10.12950/rsm.12.1"],"issn":["1347-1511"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/130003379064/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390282680202199424/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=251637","label":"url"}],"paper_title":{"en":"Separation of radioactive cesium and iodine from contaminated soil by adsorption and decantation","ja":"Separation of radioactive cesium and iodine from contaminated soil by adsorption and decantation"},"authors":{"en":[{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"三好 弘一"}]},"description":{"en":"Approximately 19% of 131I was released in a solution mixing contaminated soil with distilled water and 10 wt% CaCl2 solution, and the remaining 131I tightly bound to the soil. Approximately 12 to 15% of the radioactive cesium was found in the supernatant after mixing with saturated KCl aqueous solution, and the repeated treatment for 1 day indicated the additional release of 11 to 15% in the supernatant. Approximately 15 to 20% of radioactive cesium was found in the supernatant by mixing with saturated KCl solution and KCl powder, followed by heating. The repeated treatment with 40% KI solution led to a maximum release rate of 66% of radioactive cesium from the soil.","ja":"Approximately 19% of 131I was released in a solution mixing contaminated soil with distilled water and 10 wt% CaCl2 solution, and the remaining 131I tightly bound to the soil. Approximately 12 to 15% of the radioactive cesium was found in the supernatant after mixing with saturated KCl aqueous solution, and the repeated treatment for 1 day indicated the additional release of 11 to 15% in the supernatant. Approximately 15 to 20% of radioactive cesium was found in the supernatant by mixing with saturated KCl solution and KCl powder, followed by heating. The repeated treatment with 40% KI solution led to a maximum release rate of 66% of radioactive cesium from the soil."},"publication_date":"2013-03-28","publication_name":{"en":"Radiation Safety Management","ja":"Radiation Safety Management"},"volume":"12","number":"1","starting_page":"9-15","ending_page":"9-15","languages":["eng"],"referee":true,"identifiers":{"doi":["10.12950/rsm.12.9"],"issn":["1347-1511"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=252379","label":"url"}],"paper_title":{"en":"γ-Ray Induced Catalytic Properties of the Silica Nanoparticles Dispersed in the Aerated Aqueous Solution","ja":"γ-Ray Induced Catalytic Properties of the Silica Nanoparticles Dispersed in the Aerated Aqueous Solution"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Ikeda Toshiji"},{"name":"Kojima Takao"}],"ja":[{"name":"三好 弘一"},{"name":"Ikeda Toshiji"},{"name":"Kojima Takao"}]},"publication_date":"2013-02-14","publication_name":{"en":"Journal of Radioanalytical and Nuclear Chemistry","ja":"Journal of Radioanalytical and Nuclear Chemistry"},"volume":"295","number":"3","starting_page":"1903","ending_page":"1912","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1007/s10967-012-2161-8"],"issn":["0236-5731"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/130002581098/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390282680203683072/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=251646","label":"url"}],"paper_title":{"en":"Decontamination of radioactive-iodine- and cesium-contaminated spinach using sodium dithionite","ja":"Decontamination of radioactive-iodine- and cesium-contaminated spinach using sodium dithionite"},"authors":{"en":[{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"三好 弘一"}]},"description":{"en":"Washing of the spinach with water by the Nishizawa method resulted in the removal of about 13 ± 2% of the 131I and 45 ± 20% of the 134Cs and 137Cs. Removal rates of 131I of approximately 76 ± 3% after further washing with 1.2 wt% Na2S2O4 for 2 days and 47 ± 2% washing with 10 wt% Na2S2O4 for 2 days were obtained. These values agreed with the dissolution rates of 131I in the liquid used for washing within 2 to 3% error. The removal rates of 134Cs and 137Cs after washing with 1.2 wt% Na2S2O4 for 2 days were 69 ± 47% and 100 ± 52%, respectively, which were in poor agreement with the corresponding dissolution rates. The removal rate of 131I after brief washing with 10 wt% Na2S2O4 was negligible and the dissolution rate was 5 ± 2%. The removal rates of 134Cs and 137Cs for 10 wt% Na2S2O4 increased from 26 ± 11% to 42 ± 11% and from 30±20% to 42 ± 20% after washing with Na2S2O4 for 2 days. The high removal rates in 1.2 wt% Na2S2O4 may be due to the effective reduction of the I2 on the surface of the leaves by Na2S2O4 (1.2 wt%) during the 2 day immersion, which occurred without the bleaching of the leaves and stalks, which occurred in the case of 10 wt% Na2S2O4.","ja":"Washing of the spinach with water by the Nishizawa method resulted in the removal of about 13 ± 2% of the 131I and 45 ± 20% of the 134Cs and 137Cs. Removal rates of 131I of approximately 76 ± 3% after further washing with 1.2 wt% Na2S2O4 for 2 days and 47 ± 2% washing with 10 wt% Na2S2O4 for 2 days were obtained. These values agreed with the dissolution rates of 131I in the liquid used for washing within 2 to 3% error. The removal rates of 134Cs and 137Cs after washing with 1.2 wt% Na2S2O4 for 2 days were 69 ± 47% and 100 ± 52%, respectively, which were in poor agreement with the corresponding dissolution rates. The removal rate of 131I after brief washing with 10 wt% Na2S2O4 was negligible and the dissolution rate was 5 ± 2%. The removal rates of 134Cs and 137Cs for 10 wt% Na2S2O4 increased from 26 ± 11% to 42 ± 11% and from 30±20% to 42 ± 20% after washing with Na2S2O4 for 2 days. The high removal rates in 1.2 wt% Na2S2O4 may be due to the effective reduction of the I2 on the surface of the leaves by Na2S2O4 (1.2 wt%) during the 2 day immersion, which occurred without the bleaching of the leaves and stalks, which occurred in the case of 10 wt% Na2S2O4."},"publication_date":"2012-12","publication_name":{"en":"Radiation Safety Management","ja":"Radiation Safety Management"},"volume":"11","number":"1","starting_page":"1","ending_page":"3","languages":["eng"],"referee":true,"identifiers":{"doi":["10.12950/rsm.11.1"],"issn":["1347-1511"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://repo.lib.tokushima-u.ac.jp/113653","label":"url"},{"@id":"https://tokushima-u.repo.nii.ac.jp/records/2006685","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390282681340418944/","label":"url"},{"@id":"https://www.scopus.com/pages/publications/84884296102","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=256635","label":"url"}],"paper_title":{"en":"Estimation of activities caused by black spots for digital radiography system --- Analysis of black spots by the low concentrate radioisotopes adhered directly to the surface of the phosphor plate","ja":"Digital radiographyシステムで発生した黒点の放射能の推定 --- 輝尽性蛍光体板表面に直接付着した低濃度放射性同位元素起源の黒点の解析"},"authors":{"en":[{"name":"Hayashi Hiroaki"},{"name":"Nishihara Sadamitsu"},{"name":"Takashi Satoru"},{"name":"Hanamitsu Hiroki"},{"name":"Mori Michiko"},{"name":"Miyoshi Hirokazu"},{"name":"Onuma Yoji"}],"ja":[{"name":"林 裕晃"},{"name":"西原 貞光"},{"name":"高志 智"},{"name":"花光 宏樹"},{"name":"森 美智子"},{"name":"三好 弘一"},{"name":"小沼 洋治"}]},"description":{"en":"Because of an accident of the nuclear power plants in the Fukushima, many radioisotopes (RI) have been diffused to the environment. As a result, black spots were appearing on the medical images which were taken by the phosphor plate. The aim of this study is to evaluate the activity (Bq) of radioactive contaminated IP based on the experiment using RI. The radioactive material (134Cs and/or 137Cs) in the form of liquid was dropped on filter paper (25 mm2), and radioactive sources having 40 240 Bq activities were made. These sources were closely attached to the IP with irradiation times of 2 22 h. Then, we obtained the relationship between pixel values and products of activities and irradiation times. Using these relationships, we evaluated the activity in the contaminated IP. The evaluated value of approximately 7 Bq was in good agreement with a value which was inhered in a chemical wiper used for the decontamination of the IP. Based on the results, we summarized that almost all black spots were created by the RI adhered directly to the IP.","ja":"Because of an accident of the nuclear power plants in the Fukushima, many radioisotopes (RI) have been diffused to the environment. As a result, black spots were appearing on the medical images which were taken by the phosphor plate. The aim of this study is to evaluate the activity (Bq) of radioactive contaminated IP based on the experiment using RI. The radioactive material (134Cs and/or 137Cs) in the form of liquid was dropped on filter paper (25 mm2), and radioactive sources having 40 240 Bq activities were made. These sources were closely attached to the IP with irradiation times of 2 22 h. Then, we obtained the relationship between pixel values and products of activities and irradiation times. Using these relationships, we evaluated the activity in the contaminated IP. The evaluated value of approximately 7 Bq was in good agreement with a value which was inhered in a chemical wiper used for the decontamination of the IP. Based on the results, we summarized that almost all black spots were created by the RI adhered directly to the IP."},"publication_date":"2012-11-20","publication_name":{"en":"Japanese Journal of Radiological Technology","ja":"日本放射線技術学会雑誌"},"volume":"68","number":"11","starting_page":"1467","ending_page":"1473","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.6009/jjrt.2012_JSRT_68.11.1467"],"issn":["0369-4305"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/130002581101/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390001205226994048/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=257171","label":"url"}],"paper_title":{"en":"Chemical removal of radionuclides in contaminated spinach derived from the Fukushima nuclear accident","ja":"Chemical removal of radionuclides in contaminated spinach derived from the Fukushima nuclear accident"},"authors":{"en":[{"name":"Shiba Kazuhiro"},{"name":"Kitamura Yoji"},{"name":"Kozaka Takashi"},{"name":"Uno Izumi"},{"name":"Miyoshi Hirokazu"},{"name":"Yanaga Makoto"}],"ja":[{"name":"Shiba Kazuhiro"},{"name":"Kitamura Yoji"},{"name":"Kozaka Takashi"},{"name":"Uno Izumi"},{"name":"三好 弘一"},{"name":"Yanaga Makoto"}]},"description":{"en":"We examined a simple and effective removal method for contaminated farm products to ensure the relief of farmers and the security of consumers. Removal of radionuclides from spinach by chemical methods was investigated. The result of chemical removal showed that antioxidant agents removed radionuclides from spinach by 70-80% for 131I and more than 80% for radiocesium. In particular, ascorbic acid is promising as a safe and versatile option.","ja":"We examined a simple and effective removal method for contaminated farm products to ensure the relief of farmers and the security of consumers. Removal of radionuclides from spinach by chemical methods was investigated. The result of chemical removal showed that antioxidant agents removed radionuclides from spinach by 70-80% for 131I and more than 80% for radiocesium. In particular, ascorbic acid is promising as a safe and versatile option."},"publication_date":"2012-08","publication_name":{"en":"Radiation Safety Management","ja":"Radiation Safety Management"},"volume":"11","number":"1","starting_page":"23","ending_page":"26","languages":["eng"],"referee":true,"identifiers":{"doi":["10.12950/rsm.11.23"],"issn":["1347-1511"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=251789","label":"url"}],"paper_title":{"en":"Improvement of an X-ray Diffraction Equipment for the X-ray Safety Education","ja":"X線取扱者の安全教育のためのX線結晶回折装置の改良"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"梅原 孝雄"}],"ja":[{"name":"三好 弘一"},{"name":"梅原 孝雄"}]},"publication_date":"2012-05","publication_name":{"en":"Radioisotopes","ja":"Radioisotopes"},"volume":"61","number":"5","starting_page":"243","ending_page":"253","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.3769/radioisotopes.61.243"],"issn":["1884-4111"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=248916","label":"url"}],"paper_title":{"en":"Photoinduced Electron Accumulation of Titanium Dioxide Nanoparticle Modified Electrodes","ja":"Photoinduced Electron Accumulation of Titanium Dioxide Nanoparticle Modified Electrodes"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Sakamoto Kensho"},{"name":"Kurashina Masashi"},{"name":"Kanezaki Eiji"}],"ja":[{"name":"三好 弘一"},{"name":"坂本 健尚"},{"name":"倉科 昌"},{"name":"金崎 英二"}]},"publication_date":"2012-04-01","publication_name":{"en":"International Journal of Modern Physics: Conference Series","ja":"International Journal of Modern Physics: Conference Series"},"volume":"6","number":"1","starting_page":"61","ending_page":"66","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1142/S2010194512002942"],"issn":["2010-1945"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=251654","label":"url"}],"paper_title":{"en":"Whole-Body Distribution of 14C-labeled Silica Nanoparticles and Submicron Particles after Intravenous Injection into Mice","ja":"Whole-Body Distribution of 14C-labeled Silica Nanoparticles and Submicron Particles after Intravenous Injection into Mice"},"authors":{"en":[{"name":"Sakai Nobumitsu"},{"name":"Takakura Masato"},{"name":"Imamura Harutoshi"},{"name":"Sugimoto Miki"},{"name":"Matsui Yasuto"},{"name":"Miyoshi Hirokazu"},{"name":"Nakayama Aki"},{"name":"Yoneda Minoru"}],"ja":[{"name":"Sakai Nobumitsu"},{"name":"Takakura Masato"},{"name":"Imamura Harutoshi"},{"name":"Sugimoto Miki"},{"name":"Matsui Yasuto"},{"name":"三好 弘一"},{"name":"Nakayama Aki"},{"name":"Yoneda Minoru"}]},"publication_date":"2012-04","publication_name":{"en":"Journal of Nanoparticle Research","ja":"Journal of Nanoparticle Research"},"volume":"14","starting_page":"849","ending_page":"859","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1007/s11051-012-0849-x"],"issn":["1388-0764"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=251792","label":"url"}],"paper_title":{"en":"ICRマウスにおける44nm14C標識シリカナノ粒子を用いた体内動態評価モデルの構築","ja":"ICRマウスにおける44nm14C標識シリカナノ粒子を用いた体内動態評価モデルの構築"},"authors":{"en":[{"name":"今村 治世"},{"name":"髙倉 誠人"},{"name":"坂井 伸光"},{"name":"中山 亜紀"},{"name":"佐々木 克典"},{"name":"真見 一樹"},{"name":"Miyoshi Hirokazu"},{"name":"杉本 実紀"},{"name":"杉本 実紀"},{"name":"米田 稔"}],"ja":[{"name":"今村 治世"},{"name":"髙倉 誠人"},{"name":"坂井 伸光"},{"name":"中山 亜紀"},{"name":"佐々木 克典"},{"name":"真見 一樹"},{"name":"三好 弘一"},{"name":"杉本 実紀"},{"name":"杉本 実紀"},{"name":"米田 稔"}]},"publication_date":"2011-11","publication_name":{"en":"土木学会論文集G(環境)","ja":"土木学会論文集G(環境)"},"volume":"67","number":"7","starting_page":"223","ending_page":"232","languages":["jpn"],"referee":true,"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/22009574","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=249020","label":"url"}],"paper_title":{"en":"Properties of signal intensities observed with individual probes of GeneChip Rat Gene 1.0 ST Array, an affymetric microarray system.","ja":"Properties of signal intensities observed with individual probes of GeneChip Rat Gene 1.0 ST Array, an affymetric microarray system."},"authors":{"en":[{"name":"Obana Eriko"},{"name":"Hada Takuya"},{"name":"Yamamoto Takenori"},{"name":"Kakuhata Rei"},{"name":"Saze Takuya"},{"name":"Miyoshi Hirokazu"},{"name":"Hori Tomoshige"},{"name":"Shinohara Yasuo"}],"ja":[{"name":"尾華 絵里子"},{"name":"Hada Takuya"},{"name":"山本 武範"},{"name":"Kakuhata Rei"},{"name":"佐瀬 卓也"},{"name":"三好 弘一"},{"name":"Hori Tomoshige"},{"name":"篠原 康雄"}]},"description":{"en":"For proper evaluation of the results of microarray experiments, it is important to understand how the signal intensities of individual probes are determined. Our previous studies revealed that signal intensities of individual probes in the Agilent array system (code G4131F) are largely dependent upon the location of the probes in the mRNA. In the present study, we examined the properties of signal intensities of individual probes in an Affymetrix array system (GeneChip Rat Gene 1.0 ST Array), in which a random primer fused to the T7 promoter sequence is employed. Distinct from the Agilent array system, individual probes used in this Affymetrix array system did not show the probe-location effects, but gave relatively diverse signal intensities. However, the diversities of the signal intensities of these individual probes were not due to experimental error.","ja":"For proper evaluation of the results of microarray experiments, it is important to understand how the signal intensities of individual probes are determined. Our previous studies revealed that signal intensities of individual probes in the Agilent array system (code G4131F) are largely dependent upon the location of the probes in the mRNA. In the present study, we examined the properties of signal intensities of individual probes in an Affymetrix array system (GeneChip Rat Gene 1.0 ST Array), in which a random primer fused to the T7 promoter sequence is employed. Distinct from the Agilent array system, individual probes used in this Affymetrix array system did not show the probe-location effects, but gave relatively diverse signal intensities. However, the diversities of the signal intensities of these individual probes were not due to experimental error."},"publication_date":"2011-10-19","publication_name":{"en":"Biotechnology Letters","ja":"Biotechnology Letters"},"volume":"34","number":"2","starting_page":"213","ending_page":"219","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1007/s10529-011-0776-4"],"issn":["1573-6776"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/21976977","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=251785","label":"url"}],"paper_title":{"en":"Investigation of folate-conjugated fluorescent silica nanoparticles for targeting delivery to folate receptor-positive tumors and their internalization mechanism","ja":"Investigation of folate-conjugated fluorescent silica nanoparticles for targeting delivery to folate receptor-positive tumors and their internalization mechanism"},"authors":{"en":[{"name":"Yang Hong"},{"name":"Lou Changchun"},{"name":"Xu Mingming"},{"name":"Wu Chunhui"},{"name":"Miyoshi Hirokazu"},{"name":"Liu Yiyao"}],"ja":[{"name":"Yang Hong"},{"name":"Lou Changchun"},{"name":"Xu Mingming"},{"name":"Wu Chunhui"},{"name":"三好 弘一"},{"name":"Liu Yiyao"}]},"description":{"en":"Multifunctionalized nanoparticles (NPs) are emerging as ideal tools for gene/drug delivery, bioimaging, labeling, or intracellular tracking in biomedical applications, and have attracted considerable attention owing to their unique advantages. In this study, fluorescent silica NPs were synthesized by a modified Stöber method using conjugates of 3-mercaptopropyltrimethoxysilane (MPS) and maleimide-fluorescein isothiocyanate (maleimide-FITC). Mean diameters of the NPs were controlled between 212-2111 nm by regulating MPS concentration in the reaction mixture. Maleimide-FITC molecules were doped into NPs or conjugated to the surface of NPs through the chemical reaction of maleimide and thiol groups. The data showed that the former NPs are better than the latter by comparing their fluorescence intensity. Furthermore, folate molecules were linked to the FITC-doped silica NPs by using polyethylene glycol (PEG) (NH2-PEG-maleimide) as a spacer, thus forming folate receptor targeting fluorescent NPs, referred to as NPs(FITC)-PEG-Folate. The quantitative analysis of cellular internalization into different cancer cells showed that the delivery efficiency of KB cells (folate receptor-positive cells) is more than six-fold higher than that of A549 cells (folate receptor-negative cells). The delivery efficiency of KB cells decreased significantly after free folate addition to the cell culture medium because the folate receptors were occupied by the free folate. The NPs endocytosis mechanism was also investigated. It was shown that clathrin, an inhibitor of cell phagocytosis, markedly decreased the NPs uptake into KB cells, suggesting that it plays an important role in NPs cellular internalization. These results demonstrated that the novel particles of NPs(FITC)-PEG-Folate are promising for fluorescent imaging or targeting delivery to folate receptor-positive tumors.","ja":"Multifunctionalized nanoparticles (NPs) are emerging as ideal tools for gene/drug delivery, bioimaging, labeling, or intracellular tracking in biomedical applications, and have attracted considerable attention owing to their unique advantages. In this study, fluorescent silica NPs were synthesized by a modified Stöber method using conjugates of 3-mercaptopropyltrimethoxysilane (MPS) and maleimide-fluorescein isothiocyanate (maleimide-FITC). Mean diameters of the NPs were controlled between 212-2111 nm by regulating MPS concentration in the reaction mixture. Maleimide-FITC molecules were doped into NPs or conjugated to the surface of NPs through the chemical reaction of maleimide and thiol groups. The data showed that the former NPs are better than the latter by comparing their fluorescence intensity. Furthermore, folate molecules were linked to the FITC-doped silica NPs by using polyethylene glycol (PEG) (NH2-PEG-maleimide) as a spacer, thus forming folate receptor targeting fluorescent NPs, referred to as NPs(FITC)-PEG-Folate. The quantitative analysis of cellular internalization into different cancer cells showed that the delivery efficiency of KB cells (folate receptor-positive cells) is more than six-fold higher than that of A549 cells (folate receptor-negative cells). The delivery efficiency of KB cells decreased significantly after free folate addition to the cell culture medium because the folate receptors were occupied by the free folate. The NPs endocytosis mechanism was also investigated. It was shown that clathrin, an inhibitor of cell phagocytosis, markedly decreased the NPs uptake into KB cells, suggesting that it plays an important role in NPs cellular internalization. These results demonstrated that the novel particles of NPs(FITC)-PEG-Folate are promising for fluorescent imaging or targeting delivery to folate receptor-positive tumors."},"publication_date":"2011-09-19","publication_name":{"en":"International Journal of Nanomedicine","ja":"International Journal of Nanomedicine"},"volume":"6","starting_page":"2023","ending_page":"2032","languages":["eng"],"referee":true,"identifiers":{"doi":["10.2147/IJN.S24792"],"issn":["1178-2013"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/22052564","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=251782","label":"url"}],"paper_title":{"en":"Core/Shell Fe3O4 @ SiO2 Nanoparticles Modified with PAH as a Vector for EGFP Plasmid DNA Delivery into Hela Cells","ja":"Core/Shell Fe3O4 @ SiO2 Nanoparticles Modified with PAH as a Vector for EGFP Plasmid DNA Delivery into Hela Cells"},"authors":{"en":[{"name":"Shi Mengran"},{"name":"Liu Yiyao"},{"name":"Xu Mingming"},{"name":"Yang Hong"},{"name":"Wu Chunhui"},{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"Shi Mengran"},{"name":"Liu Yiyao"},{"name":"Xu Mingming"},{"name":"Yang Hong"},{"name":"Wu Chunhui"},{"name":"三好 弘一"}]},"description":{"en":"Novel stable core/shell Fe(3)O(4)@SiO(2)/PAH nanoparticles are synthesized using 15 nm Fe(3)O(4) as the template that is modified with PAH. The resulting nanoparticles can absorb plasmid DNA to mediate gene transfer in cultured HeLa cells. An electrophoretic assay suggests that the Fe(3)O(4)@SiO(2)/PAH nanoparticles protect the plasmid DNA from serum and DNase I degradation. A cell viability assay shows that the Fe(3)O(4)@SiO(2)/PAH nanoparticles exhibit a low cytotoxicity toward endothelial cells. Qualitative analysis of transfection in HeLa cells by nanoparticles carrying a plasmid DNA encoding EGFP demonstrates a fairly high expression level, even in the presence of serum. Thus, Fe(3)O(4)@SiO(2)/PAH nanoparticles are biocompatible and suitable for nonviral delivery, and may find applications in cancer therapy.","ja":"Novel stable core/shell Fe(3)O(4)@SiO(2)/PAH nanoparticles are synthesized using 15 nm Fe(3)O(4) as the template that is modified with PAH. The resulting nanoparticles can absorb plasmid DNA to mediate gene transfer in cultured HeLa cells. An electrophoretic assay suggests that the Fe(3)O(4)@SiO(2)/PAH nanoparticles protect the plasmid DNA from serum and DNase I degradation. A cell viability assay shows that the Fe(3)O(4)@SiO(2)/PAH nanoparticles exhibit a low cytotoxicity toward endothelial cells. Qualitative analysis of transfection in HeLa cells by nanoparticles carrying a plasmid DNA encoding EGFP demonstrates a fairly high expression level, even in the presence of serum. Thus, Fe(3)O(4)@SiO(2)/PAH nanoparticles are biocompatible and suitable for nonviral delivery, and may find applications in cancer therapy."},"publication_date":"2011-08-25","publication_name":{"en":"Macromolecular Bioscience","ja":"Macromolecular Bioscience"},"volume":"11","number":"11","starting_page":"1563","ending_page":"1569","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1002/mabi.201100150"],"issn":["1616-5195"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=214701","label":"url"}],"paper_title":{"en":"Preparation of 3H-ATP-incorporated silica nanoparticles and its diffusive release","ja":"Preparation of 3H-ATP-incorporated silica nanoparticles and its diffusive release"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Kazumori Yuko"},{"name":"Nakayama Shintaro"}],"ja":[{"name":"三好 弘一"},{"name":"計盛 祐子"},{"name":"中山 信太郎"}]},"publication_date":"2010-11-12","publication_name":{"en":"Journal of Non-Crystalline Solids","ja":"Journal of Non-Crystalline Solids"},"volume":"356","number":"50-51","starting_page":"2889","ending_page":"2895","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/j.jnoncrysol.2010.09.017"],"issn":["0022-3093"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/20393664","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=207334","label":"url"}],"paper_title":{"en":"Novel Accumulation of Photo-Induced MV+ Embedded in a TiO2 Shell and Discharge of Electrons to a Pt Electrode","ja":"Novel Accumulation of Photo-Induced MV+ Embedded in a TiO2 Shell and Discharge of Electrons to a Pt Electrode"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Katayama Shuhei"},{"name":"Kurashina Masashi"},{"name":"Kanezaki Eiji"}],"ja":[{"name":"三好 弘一"},{"name":"Katayama Shuhei"},{"name":"倉科 昌"},{"name":"金崎 英二"}]},"description":{"en":"After UV-irradiation of a TiO(2) shell on Pt anode was cut off, anodic current was observed continuously for some time because long-lived MV(+)* produced from MV(2+) embedded inside the shell, as a result of the electron transfer from the conduction band of the irradiated TiO(2) shell, diffused slowly and discharged to the shell thus realizing electron accumulation inside the TiO(2) shell.","ja":"After UV-irradiation of a TiO(2) shell on Pt anode was cut off, anodic current was observed continuously for some time because long-lived MV(+)* produced from MV(2+) embedded inside the shell, as a result of the electron transfer from the conduction band of the irradiated TiO(2) shell, diffused slowly and discharged to the shell thus realizing electron accumulation inside the TiO(2) shell."},"publication_date":"2010-05-20","publication_name":{"en":"Chemical Communications","ja":"Chemical Communications"},"volume":"46","number":"21","starting_page":"3797","ending_page":"3799","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1039/c000262c"],"issn":["1364-548X"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/20172529","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=205909","label":"url"}],"paper_title":{"en":"Characterization and photochemical and antibacterial properties of highly stable silver nanoparticles prepared on montmorillonite clay in n-hexanol","ja":"Characterization and photochemical and antibacterial properties of highly stable silver nanoparticles prepared on montmorillonite clay in n-hexanol"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Ohno Hideki"},{"name":"Sakai Keisuke"},{"name":"Okamura Naho"},{"name":"Kourai Hiroki"}],"ja":[{"name":"三好 弘一"},{"name":"Ohno Hideki"},{"name":"Sakai Keisuke"},{"name":"Okamura Naho"},{"name":"高麗 寛紀"}]},"description":{"en":"Ag nanoparticles (NPs) of approximately 2.5±0.6nm in size with high stability were prepared on montmorillonite clay in n-hexanol ([Ag NP/clay]). The aqueous suspensions of Ag NP/clay obtained were colored pale yellow to gray, and an intense yellow surface plasmon band was observed at approximately 397-422nm at a [Ag(+)] concentration of 0.01-1M. Fluorescence peaks of these Ag NP/clay suspensions, which were due to interband transitions of Ag NPs, were observed at approximately 447nm upon excitation at approximately 341nm. Photoinduced charge separation and electron accumulation in the presence of 2-propanol were observed in the Ag NPs on the clay. The photogenerated holes indicate a reaction with OH(-) because the generation of ()OH radicals decreased in the presence of 2-propanol, as observed using a spin-trapping electron spin resonance (ESR) method. The amount of H(2) produced depended on the amount of Ag NPs on the clay and the concentration of 2-propanol in the suspension. Antibacterial activity of Ag NPs on clay was also observed against Escherichia coli even after 12years. This simple method of preparation in n-hexanol led to the successful formation of highly stable and photoactive Ag NPs on montmorillonite clay.","ja":"Ag nanoparticles (NPs) of approximately 2.5±0.6nm in size with high stability were prepared on montmorillonite clay in n-hexanol ([Ag NP/clay]). The aqueous suspensions of Ag NP/clay obtained were colored pale yellow to gray, and an intense yellow surface plasmon band was observed at approximately 397-422nm at a [Ag(+)] concentration of 0.01-1M. Fluorescence peaks of these Ag NP/clay suspensions, which were due to interband transitions of Ag NPs, were observed at approximately 447nm upon excitation at approximately 341nm. Photoinduced charge separation and electron accumulation in the presence of 2-propanol were observed in the Ag NPs on the clay. The photogenerated holes indicate a reaction with OH(-) because the generation of ()OH radicals decreased in the presence of 2-propanol, as observed using a spin-trapping electron spin resonance (ESR) method. The amount of H(2) produced depended on the amount of Ag NPs on the clay and the concentration of 2-propanol in the suspension. Antibacterial activity of Ag NPs on clay was also observed against Escherichia coli even after 12years. This simple method of preparation in n-hexanol led to the successful formation of highly stable and photoactive Ag NPs on montmorillonite clay."},"publication_date":"2010-04-08","publication_name":{"en":"Journal of Colloid and Interface Science","ja":"Journal of Colloid and Interface Science"},"volume":"345","number":"2","starting_page":"433","ending_page":"441","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/j.jcis.2010.01.034"],"issn":["0021-9797"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/20348943","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=206591","label":"url"}],"paper_title":{"en":"Vascular gene transfer and drug delivery in vitro using low-frequency ultrasound and microbubbles","ja":"Vascular gene transfer and drug delivery in vitro using low-frequency ultrasound and microbubbles"},"authors":{"en":[{"name":"Yang Hong"},{"name":"Liu Zhong-hau"},{"name":"Liu Yi-yao"},{"name":"Lou Chang-chun"},{"name":"Ren Zheng-long"},{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"Yang Hong"},{"name":"Liu Zhong-hau"},{"name":"Liu Yi-yao"},{"name":"Lou Chang-chun"},{"name":"Ren Zheng-long"},{"name":"三好 弘一"}]},"description":{"en":"To determine the effects of ultrasound exposure in combination with a microbubble contrast agent (SonoVue) on the cellular uptake and delivery of drugs/genes into human umbilical vein endothelial cells (HUVECs) as well as their biological effects on migration. HUVECs in suspension were exposed to pulsed ultrasound with a 10% duty cycle in combination with various concentrations of a microbubble contrast agent (SonoVue) using a digital sonifier at a frequency of 20 kHz and an intensity of 3.77 W/cm(2) on the surface of a horn tip. Cell culture inserts were used to determine the cell migration ability. Exposure to pulsed ultrasound resulted in enhanced green fluorescent protein (EGFP) gene transfection efficiencies ranging from 0.2% to 2%. The transfection efficiency of HUVECs was approximately 3-fold higher in the presence of SonoVue than in its absence at the effective exposure time of 6 s. For drug delivery to HUVECs using ultrasound, the delivery efficiencies of a low-molecular-weight model drug (TO-PRO-1, M(W) 645.38) were significantly higher when compared to drug delivery without ultrasound, with a maximum efficiency of approximately 34%. However, the delivery efficiencies of a high-molecular-weight model drug (Dextran-Rhodamine B, M(W) 70,000) were low, with a maximum delivery efficiency of nearly 0.5%, and gene transfection results were similarly poor. The migration ability of HUVECs exposed to ultrasound was also lower than that of the control (no exposure). The use of low-frequency and low-energy ultrasound in combination with microbubbles could be a potent physical method of increasing drug/gene delivery efficiency. This technique is a promising nonviral approach that can be used in cardiovascular disease therapy.","ja":"To determine the effects of ultrasound exposure in combination with a microbubble contrast agent (SonoVue) on the cellular uptake and delivery of drugs/genes into human umbilical vein endothelial cells (HUVECs) as well as their biological effects on migration. HUVECs in suspension were exposed to pulsed ultrasound with a 10% duty cycle in combination with various concentrations of a microbubble contrast agent (SonoVue) using a digital sonifier at a frequency of 20 kHz and an intensity of 3.77 W/cm(2) on the surface of a horn tip. Cell culture inserts were used to determine the cell migration ability. Exposure to pulsed ultrasound resulted in enhanced green fluorescent protein (EGFP) gene transfection efficiencies ranging from 0.2% to 2%. The transfection efficiency of HUVECs was approximately 3-fold higher in the presence of SonoVue than in its absence at the effective exposure time of 6 s. For drug delivery to HUVECs using ultrasound, the delivery efficiencies of a low-molecular-weight model drug (TO-PRO-1, M(W) 645.38) were significantly higher when compared to drug delivery without ultrasound, with a maximum efficiency of approximately 34%. However, the delivery efficiencies of a high-molecular-weight model drug (Dextran-Rhodamine B, M(W) 70,000) were low, with a maximum delivery efficiency of nearly 0.5%, and gene transfection results were similarly poor. The migration ability of HUVECs exposed to ultrasound was also lower than that of the control (no exposure). The use of low-frequency and low-energy ultrasound in combination with microbubbles could be a potent physical method of increasing drug/gene delivery efficiency. This technique is a promising nonviral approach that can be used in cardiovascular disease therapy."},"publication_date":"2010-03-29","publication_name":{"en":"Acta Pharmacologica Sinica","ja":"Acta Pharmacologica Sinica"},"volume":"31","number":"4","starting_page":"515","ending_page":"522","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1038/aps.2010.21"],"issn":["1745-7254"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=205819","label":"url"}],"paper_title":{"en":"Preparation, characterization and release of methyl viologen from a novel nanoparticle delivery system with double shells of silica and PLGA","ja":"Preparation, characterization and release of methyl viologen from a novel nanoparticle delivery system with double shells of silica and PLGA"},"authors":{"en":[{"name":"Yang Hong"},{"name":"Miyoshi Hirokazu"},{"name":"Lou ChangChun"},{"name":"Ren ZhengLong"},{"name":"Liu Yiyao"}],"ja":[{"name":"Yang Hong"},{"name":"三好 弘一"},{"name":"Lou ChangChun"},{"name":"Ren ZhengLong"},{"name":"Liu Yiyao"}]},"publication_date":"2010-01","publication_name":{"en":"Chinese Science Bulletin","ja":"Chinese Science Bulletin"},"volume":"55","number":"3","starting_page":"263","ending_page":"267","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1007/s11434-009-0561-0"],"issn":["1001-6538"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=205818","label":"url"}],"paper_title":{"en":"Control of emission peaks of X-ray phosphor using dye-silica nanoparticles","ja":"Control of emission peaks of X-ray phosphor using dye-silica nanoparticles"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Imura Hiroyoshi"},{"name":"Nakamura Michihiro"}],"ja":[{"name":"三好 弘一"},{"name":"井村 裕吉"},{"name":"中村 教泰"}]},"publication_date":"2010-01","publication_name":{"en":"Journal of Luminescence","ja":"Journal of Luminescence"},"volume":"130","number":"3","starting_page":"404","ending_page":"410","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/j.jlumin.2009.10.004"],"issn":["0022-2313"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/19136121","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=185962","label":"url"}],"paper_title":{"en":"Behavior of fluorescent molecules bound to the interior of silica nanoparticles in various solvents","ja":"Behavior of fluorescent molecules bound to the interior of silica nanoparticles in various solvents"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Yuki Matsuo"},{"name":"Yiyao Liu"},{"name":"Takao Sakata"},{"name":"Hirotaro Mori"}],"ja":[{"name":"三好 弘一"},{"name":"Yuki Matsuo"},{"name":"Yiyao Liu"},{"name":"Takao Sakata"},{"name":"Hirotaro Mori"}]},"description":{"en":"Porous silica nanocapsules with 20% 3-aminopropyltrimethoxysilane (APS)-bound 6-carboxy-fluorescein (APS-fluorescein) and 80% APS molecules adsorbed on the surface of a 50-nm-diameter Au core were prepared by a modified core-shell method. Silica mesoporous nanocapsules were obtained after the Au cores were dissolved in sodium cyanide. The size of the pores in the silica shells corresponded to the area of the fluorescein (approximately 1.02 nm(2)) in each APS-fluorescein molecule, which was bound to the silica shell by coupling between the silanol groups of APS in the APS-fluorescein molecule and the silica shell. The amino group of APS bound to the silica inside the shell is also reactive. Dy485XL N-hydroxysuccinimide ester (NHS) molecules were then added to the mesoporous silica nanocapsules in the solution and bonded to the amino group of the interior. Thus, mesoporous (fluorescein and Dy485XL)-bound silica nanocapsules were obtained. The fluorescence of Dy485XL was only observed in the mesoporous (fluorescein and Dy485XL)-bound silica nanocapsules in aqueous solution after ultrafiltration. However, the fluorescence of fluorescein reappeared after the addition of acetonitrile. Furthermore, upon adding various solvents to the mesoporous (fluorescein and Dy485XL)-bound silica nanocapsules, their fluorescence varied with that of fluorescein or Dy485XL. In the case of a mixture of 6-carboxy-fluorescein-N-hydroxysuccinimide (FLUOS) and Dy485XL-NHS free molecules in aqueous solution, the fluorescence of FLUOS was observed. Such different fluorescence phenomena demonstrated that Dy485XL-NHS molecules can easily penetrate into the nanocapsule interior via the pores and that the interior of the silica nanocapsules can bind to Dy485XL molecules. These fluorescence behaviors are discussed in terms of fluorescence resonance energy transfer (FRET) and solvatochromism.","ja":"Porous silica nanocapsules with 20% 3-aminopropyltrimethoxysilane (APS)-bound 6-carboxy-fluorescein (APS-fluorescein) and 80% APS molecules adsorbed on the surface of a 50-nm-diameter Au core were prepared by a modified core-shell method. Silica mesoporous nanocapsules were obtained after the Au cores were dissolved in sodium cyanide. The size of the pores in the silica shells corresponded to the area of the fluorescein (approximately 1.02 nm(2)) in each APS-fluorescein molecule, which was bound to the silica shell by coupling between the silanol groups of APS in the APS-fluorescein molecule and the silica shell. The amino group of APS bound to the silica inside the shell is also reactive. Dy485XL N-hydroxysuccinimide ester (NHS) molecules were then added to the mesoporous silica nanocapsules in the solution and bonded to the amino group of the interior. Thus, mesoporous (fluorescein and Dy485XL)-bound silica nanocapsules were obtained. The fluorescence of Dy485XL was only observed in the mesoporous (fluorescein and Dy485XL)-bound silica nanocapsules in aqueous solution after ultrafiltration. However, the fluorescence of fluorescein reappeared after the addition of acetonitrile. Furthermore, upon adding various solvents to the mesoporous (fluorescein and Dy485XL)-bound silica nanocapsules, their fluorescence varied with that of fluorescein or Dy485XL. In the case of a mixture of 6-carboxy-fluorescein-N-hydroxysuccinimide (FLUOS) and Dy485XL-NHS free molecules in aqueous solution, the fluorescence of FLUOS was observed. Such different fluorescence phenomena demonstrated that Dy485XL-NHS molecules can easily penetrate into the nanocapsule interior via the pores and that the interior of the silica nanocapsules can bind to Dy485XL molecules. These fluorescence behaviors are discussed in terms of fluorescence resonance energy transfer (FRET) and solvatochromism."},"publication_date":"2009-03-15","publication_name":{"en":"Journal of Colloid and Interface Science","ja":"Journal of Colloid and Interface Science"},"volume":"331","number":"2","starting_page":"507","ending_page":"513","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/j.jcis.2008.09.026"],"issn":["1095-7103"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/19441308","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=185964","label":"url"}],"paper_title":{"en":"Poly(D,L-lactide-co-glycolide) Nanoparticles Encapsulated Fluorescent Isothiocyanate and Paclitaxol: Preparation, Release Kinetics and Anticancer Effect","ja":"Poly(D,L-lactide-co-glycolide) Nanoparticles Encapsulated Fluorescent Isothiocyanate and Paclitaxol: Preparation, Release Kinetics and Anticancer Effect"},"authors":{"en":[{"name":"Yang Hong"},{"name":"Li Kai"},{"name":"Liu Yiyao"},{"name":"Liu Zhonghua"},{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"Yang Hong"},{"name":"Li Kai"},{"name":"Liu Yiyao"},{"name":"Liu Zhonghua"},{"name":"三好 弘一"}]},"description":{"en":"Poly(D,L-lactide-co-glycolide) (PLGA) is a biodegradable and biocompatible polymer material for drug deliver system. The aim of this study is to synthesize drug-loaded PLGA nanoparticles for sustained release and its anticancer effect in vitro. PLGA nanoparticles were prepared with modified solvent evaporation method. PLGA nanoparticles encapsulated fluorescent isothiocyanate (FITC, as a model drug) and paclitaxol (therapeutic drug) were prepared with the diameter of within 800 nm as drug carrier. The release kinetics and anticancer effect for HeLa cells of the PLGA nanoparticles were further investigated. There was a peak of accumulative FITC release from the FITC-loaded PLGA nanoparticles at approximate 18 h. The inhibition rate of HeLa cell growth was studied by 3-(4,5-dimethylthiazol-2-yl)-3,5-diphenyltetrazolium (MTT) colorimetric assay. Cells were killed by paclitaxol-loaded PLGA nanoparticles. Apoptosis of HeLa cells maybe also occurred due to the sustained release of paclitaxol from the PLGA nanoparticles, which showed that PLGA nanoparticles encapsulated paclitaxol are promising as a controlled drug delivery system in future clinic application.","ja":"Poly(D,L-lactide-co-glycolide) (PLGA) is a biodegradable and biocompatible polymer material for drug deliver system. The aim of this study is to synthesize drug-loaded PLGA nanoparticles for sustained release and its anticancer effect in vitro. PLGA nanoparticles were prepared with modified solvent evaporation method. PLGA nanoparticles encapsulated fluorescent isothiocyanate (FITC, as a model drug) and paclitaxol (therapeutic drug) were prepared with the diameter of within 800 nm as drug carrier. The release kinetics and anticancer effect for HeLa cells of the PLGA nanoparticles were further investigated. There was a peak of accumulative FITC release from the FITC-loaded PLGA nanoparticles at approximate 18 h. The inhibition rate of HeLa cell growth was studied by 3-(4,5-dimethylthiazol-2-yl)-3,5-diphenyltetrazolium (MTT) colorimetric assay. Cells were killed by paclitaxol-loaded PLGA nanoparticles. Apoptosis of HeLa cells maybe also occurred due to the sustained release of paclitaxol from the PLGA nanoparticles, which showed that PLGA nanoparticles encapsulated paclitaxol are promising as a controlled drug delivery system in future clinic application."},"publication_date":"2009-01","publication_name":{"en":"Journal of Nanoscience and Nanotechnology","ja":"Journal of Nanoscience and Nanotechnology"},"volume":"9","number":"1","starting_page":"282","ending_page":"287","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1166/jnn.2009.J065"],"issn":["1533-4880"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/40016230293/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390001205397278208/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=178741","label":"url"}],"paper_title":{"en":"Measurement of Spread of Tritium Using the Tritium Labeled Compound","ja":"トリチウム標識化合物を用いたトリチウム飛散測定"},"authors":{"en":[{"name":"川口 佳彦"},{"name":"Miyoshi Hirokazu"},{"name":"Saze Takuya"},{"name":"Nakayama Shintaro"}],"ja":[{"name":"川口 佳彦"},{"name":"三好 弘一"},{"name":"佐瀬 卓也"},{"name":"中山 信太郎"}]},"publication_date":"2008-08","publication_name":{"en":"Japanese Journal of Radiation Safety Management","ja":"日本放射線安全管理学会誌"},"volume":"7","number":"1","starting_page":"55","ending_page":"60","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.11269/jjrsm2001.7.55"],"issn":["1347-1503"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/62749156800","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=174574","label":"url"}],"paper_title":{"en":"Preparation and Characterization of Novel Drug Delivery System of Light-Sensitive Silica Nanocapsules with Thin Shells","ja":"Preparation and Characterization of Novel Drug Delivery System of Light-Sensitive Silica Nanocapsules with Thin Shells"},"authors":{"en":[{"name":"Liu Yiyao"},{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"Liu Yiyao"},{"name":"三好 弘一"}]},"publication_date":"2008","publication_name":{"en":"Journal of Biomedical Nanotechnology","ja":"Journal of Biomedical Nanotechnology"},"volume":"4","number":"1","starting_page":"25","ending_page":"32","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1166/jbn.2008.010"],"issn":["1550-7033"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/17390371","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=164975","label":"url"}],"paper_title":{"en":"Nanomedicine for drug delivery and imaging: a promising avenue for cancer therapy and diagnosis by targeted functional nanoparticles","ja":"Nanomedicine for drug delivery and imaging: a promising avenue for cancer therapy and diagnosis by targeted functional nanoparticles"},"authors":{"en":[{"name":"Liu Yiyao"},{"name":"Miyoshi Hirokazu"},{"name":"Nakamura Michihiro"}],"ja":[{"name":"Liu Yiyao"},{"name":"三好 弘一"},{"name":"中村 教泰"}]},"description":{"en":"The diagnosis and treatment of cancer or tumor at the cellular level will be greatly improved with the development of techniques that enable the delivery of analyte probes and therapeutic agents into cells and cellular compartments. Organic and inorganic nanoparticles that interface with biological systems have recently attracted widespread interest in the fields of biology and medicine. The new term nanomedicine has been used recently. Nanoparticles are considered to have the potential as novel intravascular or cellular probes for both diagnostic (imaging) and therapeutic purposes (drug/gene delivery), which is expected to generate innovations and play a critical role in medicine. Target-specific drug/gene delivery and early diagnosis in cancer treatment is one of the priority research areas in which nanomedicine will play a vital role. Some recent breakthroughs in this field recently also proved this trend. Nanoparticles for drug delivery and imaging have gradually been developed as new modalities for cancer therapy and diagnosis. In this article, we review the significance and recent advances of gene/drug delivery to cancer cells, and the molecular imaging and diagnosis of cancer by targeted functional nanoparticles.","ja":"The diagnosis and treatment of cancer or tumor at the cellular level will be greatly improved with the development of techniques that enable the delivery of analyte probes and therapeutic agents into cells and cellular compartments. Organic and inorganic nanoparticles that interface with biological systems have recently attracted widespread interest in the fields of biology and medicine. The new term nanomedicine has been used recently. Nanoparticles are considered to have the potential as novel intravascular or cellular probes for both diagnostic (imaging) and therapeutic purposes (drug/gene delivery), which is expected to generate innovations and play a critical role in medicine. Target-specific drug/gene delivery and early diagnosis in cancer treatment is one of the priority research areas in which nanomedicine will play a vital role. Some recent breakthroughs in this field recently also proved this trend. Nanoparticles for drug delivery and imaging have gradually been developed as new modalities for cancer therapy and diagnosis. In this article, we review the significance and recent advances of gene/drug delivery to cancer cells, and the molecular imaging and diagnosis of cancer by targeted functional nanoparticles."},"publication_date":"2007-06-15","publication_name":{"en":"International Journal of Cancer","ja":"International Journal of Cancer"},"volume":"120","number":"12","starting_page":"2527","ending_page":"2537","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1002/ijc.22709"],"issn":["0020-7136"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/17420116","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=164977","label":"url"}],"paper_title":{"en":"Novel drug delivery system of hollow mesoporous silica nanocapsules with thin shells: Preparation and fluorescein isothiocyanate (FITC) release kinetics.","ja":"Novel drug delivery system of hollow mesoporous silica nanocapsules with thin shells: Preparation and fluorescein isothiocyanate (FITC) release kinetics."},"authors":{"en":[{"name":"Liu Yiyao"},{"name":"Miyoshi Hirokazu"},{"name":"Nakamura Michihiro"}],"ja":[{"name":"Liu Yiyao"},{"name":"三好 弘一"},{"name":"中村 教泰"}]},"description":{"en":"Core-shell nanoparticles of Au@silica with a diameter of approximate 45-60 nm and wall thickness in range of 3-10 nm were synthesized by using 40 and 50 nm gold nanoparticles as the templates. The mesoporous particles are regulated by 3-aminopropyltrimethoxysilane addition. Hollow mesoporous silica nanocapsules (HMSNs) were prepared by using sodium cyanide to dissolve the gold cores. The characterization of Au@silica and HMSNs by transmission electronic microscope indicated that the silica shells were uniform and smooth, and also the porosity was proved by fluorescein isothiocyanate (FITC) release experiments. The ratio of hollow core to HMSNs is more than 70%. HMSNs were subsequently used as drug carrier to investigate FITC (as a model drug) release behaviors in vitro. Fluorescent spectrometry was performed to determine the release kinetics from the HMSNs. The release profiles are significantly different as compared with the control (free FITC), which show that HMSNs are good drug carriers to control drug release, and have high potential in therapeutic drugs delivery in future applications.","ja":"Core-shell nanoparticles of Au@silica with a diameter of approximate 45-60 nm and wall thickness in range of 3-10 nm were synthesized by using 40 and 50 nm gold nanoparticles as the templates. The mesoporous particles are regulated by 3-aminopropyltrimethoxysilane addition. Hollow mesoporous silica nanocapsules (HMSNs) were prepared by using sodium cyanide to dissolve the gold cores. The characterization of Au@silica and HMSNs by transmission electronic microscope indicated that the silica shells were uniform and smooth, and also the porosity was proved by fluorescein isothiocyanate (FITC) release experiments. The ratio of hollow core to HMSNs is more than 70%. HMSNs were subsequently used as drug carrier to investigate FITC (as a model drug) release behaviors in vitro. Fluorescent spectrometry was performed to determine the release kinetics from the HMSNs. The release profiles are significantly different as compared with the control (free FITC), which show that HMSNs are good drug carriers to control drug release, and have high potential in therapeutic drugs delivery in future applications."},"publication_date":"2007-03-12","publication_name":{"en":"Colloids and Surfaces B:Biointerfaces","ja":"Colloids and Surfaces B:Biointerfaces"},"volume":"58","number":"2","starting_page":"180","ending_page":"187","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/j.colsurfb.2007.03.005"],"issn":["0927-7765"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/40006876627/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390001205398408448/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=133885","label":"url"}],"paper_title":{"en":"教育訓練受講時期の教育効果に与える影響と再教育訓練内容の検討","ja":"教育訓練受講時期の教育効果に与える影響と再教育訓練内容の検討"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"山本 康代"},{"name":"Adachi Akio"}],"ja":[{"name":"三好 弘一"},{"name":"山本 康代"},{"name":"足立 昭夫"}]},"publication_date":"2005-07-20","publication_name":{"en":"Japanese Journal of Radiation Safety Management","ja":"日本放射線安全管理学会誌"},"volume":"4","number":"1","starting_page":"33","ending_page":"38","languages":["jpn"],"referee":true,"identifiers":{"issn":["1347-1503"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/40006569093/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390001205398396160/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=97530","label":"url"}],"paper_title":{"en":"教育訓練の受講回数とRI使用の有無の教育効果へ与える影響","ja":"教育訓練の受講回数とRI使用の有無の教育効果へ与える影響"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"山本 康代"},{"name":"Nishitani Hiromu"}],"ja":[{"name":"三好 弘一"},{"name":"山本 康代"},{"name":"西谷 弘"}]},"publication_date":"2004-08","publication_name":{"en":"Japanese Journal of Radiation Safety Management","ja":"日本放射線安全管理学会誌"},"volume":"3","number":"1","starting_page":"27","ending_page":"33","languages":["jpn"],"referee":true,"identifiers":{"issn":["1347-1503"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/80015877240/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1520853834993299712/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=73274","label":"url"}],"paper_title":{"en":"銀担持アクリル繊維を含む抗菌紙の殺菌作用機構","ja":"銀担持アクリル繊維を含む抗菌紙の殺菌作用機構"},"authors":{"en":[{"name":"Shirai Akihiro"},{"name":"佐久間 貴子"},{"name":"青木 美保"},{"name":"Miyoshi Hirokazu"},{"name":"Maeda Takuya"},{"name":"Kourai Hiroki"}],"ja":[{"name":"白井 昭博"},{"name":"佐久間 貴子"},{"name":"青木 美保"},{"name":"三好 弘一"},{"name":"前田 拓也"},{"name":"高麗 寛紀"}]},"description":{"en":"銀担持アクリル繊維とポリエステル繊維から作製したiziの抗菌特性と殺菌作用機構を検討した．iziは，病原性細菌，Legionella pneumophila Sg1 IID 5232などを含む13菌株に対して広く高い抗菌スペクトルを示した．iziの殺菌力は，食塩，ペプトン共存下で低下することを認めた．iziの殺菌化学種は，電子スピン共鳴スペクトルと，スーパーオキシドジスムターゼもしくはヨウ化カリウムのようなラジカルスカベンジャーにより活性阻害が起こることから，ヒドロキシラジカルであることを証明し，細菌細胞中で変換されたリビングラジカルが，継続的な殺菌効果を示すことを示唆した．また，細菌細胞が，iziから銀イオンを引き抜くことを示唆した．","ja":"銀担持アクリル繊維とポリエステル繊維から作製したiziの抗菌特性と殺菌作用機構を検討した．iziは，病原性細菌，Legionella pneumophila Sg1 IID 5232などを含む13菌株に対して広く高い抗菌スペクトルを示した．iziの殺菌力は，食塩，ペプトン共存下で低下することを認めた．iziの殺菌化学種は，電子スピン共鳴スペクトルと，スーパーオキシドジスムターゼもしくはヨウ化カリウムのようなラジカルスカベンジャーにより活性阻害が起こることから，ヒドロキシラジカルであることを証明し，細菌細胞中で変換されたリビングラジカルが，継続的な殺菌効果を示すことを示唆した．また，細菌細胞が，iziから銀イオンを引き抜くことを示唆した．"},"publication_date":"2003-04-10","publication_name":{"en":"Journal of Antibacterial and Antifungal Agents, Japan","ja":"防菌防黴誌"},"volume":"31","number":"4","starting_page":"173","ending_page":"181","languages":["jpn"],"referee":true,"identifiers":{"issn":["0385-5201"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/110003434071/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390001206389506048/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=90005","label":"url"}],"paper_title":{"en":"Patient Skin Dose in Interventional Radiology Using Radiochromic Dosimetry Film","ja":"反射型線量測定用フィルムを用いたIVR手技時の患者皮膚線量"},"authors":{"en":[{"name":"Amano Masafumi"},{"name":"Nishitani Hiromu"},{"name":"Kawano Shingo"},{"name":"Yasutomo Motokatsu"},{"name":"Miyoshi Hirokazu"},{"name":"Yagi Hirofumi"}],"ja":[{"name":"天野 雅史"},{"name":"西谷 弘"},{"name":"河野 信吾"},{"name":"安友 基勝"},{"name":"三好 弘一"},{"name":"八木 浩史"}]},"description":{"en":"Various types of X-ray examinations are currently being carried out for the purpose of diagnosis. However, since dose limits for contamination by medical examinations have not been set, management of dose measurements and contamination records is called for. With increasing use of the IVR technique, reports of radiation injury and the symptoms associated with it have become more common. To advance our understanding of this situation and to reduce contamination, it is necessary to carry out contamination management. The reflection film on which colors are formed by irradiating X-rays has recently come into use. Dose measurement is possible with the use of this film, and, because effective results can be obtained as a result of performing fundamental examinations, the film actually provides dose measurements for the IVR technique. Another benefit is that maximum patient skin dose and dose distribution can be determined in addition to dose measurement. Moreover, since various methods were examined in this study, the method of dose evaluation is also reported for those wishing to employ it in the clinical setting.","ja":"照射部位が多彩で，X線管-皮膚間距離が不定なIVR手技に対してX線照射により直ちに発色する感材で作られた低感度の反射型フィルムを用いた被曝線量測定について検討した結果，良好な結果が得られたので報告した．"},"publication_date":"2003-01-20","publication_name":{"en":"Japanese Journal of Radiological Technology","ja":"日本放射線技術学会雑誌"},"volume":"59","number":"1","starting_page":"121","ending_page":"129","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.6009/jjrt.kj00000921601"],"issn":["0369-4305"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/110003445414/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390001206390012800/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=90894","label":"url"}],"paper_title":{"en":"Measurement of Patient Skin Dose in Interventional Radiology Using Radiochromic Reflecting-type Sheet Films","ja":"X線により発色をする反射型フィルム素材を用いたIVR手技時の患者皮膚線量測定"},"authors":{"en":[{"name":"天野 雅史"},{"name":"Nishitani Hiromu"},{"name":"河野 信吾"},{"name":"安友 基勝"},{"name":"Miyoshi Hirokazu"},{"name":"Yagi Hirofumi"}],"ja":[{"name":"天野 雅史"},{"name":"西谷 弘"},{"name":"河野 信吾"},{"name":"安友 基勝"},{"name":"三好 弘一"},{"name":"八木 浩史"}]},"publication_date":"2002-03-20","publication_name":{"en":"Japanese Journal of Radiological Technology","ja":"日本放射線技術学会雑誌"},"volume":"58","number":"3","starting_page":"420","ending_page":"423","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.6009/jjrt.kj00001364297"],"issn":["0369-4305"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/0034792434","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=24591","label":"url"}],"paper_title":{"en":"Visible Light-Induced Bactericidal Species Generated From Silver-Loaded Hydrogen Zirconium Phosphate Active Against Escherichia coli K12","ja":"Visible Light-Induced Bactericidal Species Generated From Silver-Loaded Hydrogen Zirconium Phosphate Active Against Escherichia coli K12"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Tanabe Asaka"},{"name":"Maeda Takuya"},{"name":"Kourai Hiroki"}],"ja":[{"name":"三好 弘一"},{"name":"Tanabe Asaka"},{"name":"前田 拓也"},{"name":"高麗 寛紀"}]},"description":{"en":"論文題目:銀担持リン酸水素ジルコニウムからの可視光で誘導される殺菌化学種，可視光照射された銀水素リン酸ジルコニウム懸濁液から生成するOHラジカルは，スピントラップ剤であるDMPOの添加によってESRで観測することができた．I-の存在下では，DMPO-OHのピークは減少してI2が生成し，それに伴って大腸菌に対して抗菌作用を示した．エタノールや2-プロパノールの存在下では，OH•と反応して生成するアルコールラジカルが，OH•よりも高い抗菌活性を示すことを明らかにした．","ja":"論文題目:銀担持リン酸水素ジルコニウムからの可視光で誘導される殺菌化学種，可視光照射された銀水素リン酸ジルコニウム懸濁液から生成するOHラジカルは，スピントラップ剤であるDMPOの添加によってESRで観測することができた．I-の存在下では，DMPO-OHのピークは減少してI2が生成し，それに伴って大腸菌に対して抗菌作用を示した．エタノールや2-プロパノールの存在下では，OH•と反応して生成するアルコールラジカルが，OH•よりも高い抗菌活性を示すことを明らかにした．"},"publication_date":"2001-09-20","publication_name":{"en":"Biocontrol Science","ja":"Biocontrol Science"},"volume":"6","number":"2","starting_page":"69","ending_page":"74","referee":true,"identifiers":{"doi":["10.4265/bio.6.69"],"issn":["1342-4815"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=90917","label":"url"}],"paper_title":{"en":"X線フィルムにおけるクロスオーバ効果の増感紙からの発光波長依存性","ja":"X線フィルムにおけるクロスオーバ効果の増感紙からの発光波長依存性"},"authors":{"en":[{"name":"Imura Hiroyoshi"},{"name":"Miyoshi Hirokazu"}],"ja":[{"name":"井村 裕吉"},{"name":"三好 弘一"}]},"publication_date":"2000-11","publication_name":{"en":"Japanese Journal of Radiological Technology","ja":"日本放射線技術学会雑誌"},"volume":"56","number":"11","starting_page":"1357","ending_page":"1364","languages":["jpn"],"referee":true,"identifiers":{"issn":["0369-4305"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"http://ci.nii.ac.jp/naid/10004588004/","label":"url"},{"@id":"https://cir.nii.ac.jp/crid/1390282679133489152/","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=90910","label":"url"}],"paper_title":{"en":"Clinical Investigation of Accumulation Process of 99mTc-HMDP and -MDP in Bone","ja":"99m-Tc-HMDPおよび-MDPの骨への集積過程の臨床的研究"},"authors":{"en":[{"name":"松本 隆裕"},{"name":"Miyoshi Hirokazu"},{"name":"佐藤 一雄"},{"name":"岸 太郎"},{"name":"Yoshino Tomio"},{"name":"Nishitani Hiromu"}],"ja":[{"name":"松本 隆裕"},{"name":"三好 弘一"},{"name":"佐藤 一雄"},{"name":"岸 太郎"},{"name":"吉野 富雄"},{"name":"西谷 弘"}]},"publication_date":"2000-06-15","publication_name":{"en":"Radioisotopes","ja":"Radioisotopes"},"volume":"49","number":"6","starting_page":"292","ending_page":"297","languages":["jpn"],"referee":true,"identifiers":{"doi":["10.3769/radioisotopes.49.292"],"issn":["0033-8303"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/10441014","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=93584","label":"url"}],"paper_title":{"en":"Neuronal impairment of adult moyamoya disease detected by quantified proton MRS and comarison with cerebral perfusion by SPECT with Tc-99m HM-PAO: A trial of clinical quantification of metabolites","ja":"Neuronal impairment of adult moyamoya disease detected by quantified proton MRS and comarison with cerebral perfusion by SPECT with Tc-99m HM-PAO: A trial of clinical quantification of metabolites"},"authors":{"en":[{"name":"Harada Masafumi"},{"name":"Miyoshi Hirokazu"},{"name":"Uno Masaaki"},{"name":"Okada Toshiko"},{"name":"Hisaoka Sonoka"},{"name":"Nishitani Hiromu"}],"ja":[{"name":"原田 雅史"},{"name":"三好 弘一"},{"name":"宇野 昌明"},{"name":"Okada Toshiko"},{"name":"Hisaoka Sonoka"},{"name":"西谷 弘"}]},"description":{"en":"We evaluated neuronal impairment of adult moyamoya patients by proton magnetic resonance spectroscopy (MRS) and cerebral perfusion scintigraphy. After evaluating two methods for compensating relaxation times, we selected a long TR, short TE sequence to achieve better reproducibility. The cerebral blood flow (CBF) value was measured by scintigraphy following the method of quantification reported in the previous literature. N-acetyl aspartate (NAA) concentrations and CBFs value were decreased statistically (P < 0. 05) compared with those of the age-matched normal controls. However, the decreased rate of NAA concentration was changed more than the CBF value, and no linear correlation was found between the two values. We considered that the NAA concentration was not always correlated with that of the present cerebral perfusion. The NAA concentration showed a more dispersive distribution in patients than in controls, indicating a large individual variation in neuronal impairment. We concluded that proton MRS may provide useful information about neuronal impairment in individual patients. J. Magn. Reson Imaging 1999;10:124-129.","ja":"We evaluated neuronal impairment of adult moyamoya patients by proton magnetic resonance spectroscopy (MRS) and cerebral perfusion scintigraphy. After evaluating two methods for compensating relaxation times, we selected a long TR, short TE sequence to achieve better reproducibility. The cerebral blood flow (CBF) value was measured by scintigraphy following the method of quantification reported in the previous literature. N-acetyl aspartate (NAA) concentrations and CBFs value were decreased statistically (P < 0. 05) compared with those of the age-matched normal controls. However, the decreased rate of NAA concentration was changed more than the CBF value, and no linear correlation was found between the two values. We considered that the NAA concentration was not always correlated with that of the present cerebral perfusion. The NAA concentration showed a more dispersive distribution in patients than in controls, indicating a large individual variation in neuronal impairment. We concluded that proton MRS may provide useful information about neuronal impairment in individual patients. J. Magn. Reson Imaging 1999;10:124-129."},"publication_date":"1999-08","publication_name":{"en":"Journal of Magnetic Resonance Imaging : JMRI","ja":"Journal of Magnetic Resonance Imaging : JMRI"},"volume":"10","number":"2","starting_page":"124","ending_page":"129","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1002/(SICI)1522-2586(199908)10:2%3C124::AID-JMRI3%3E3.0.CO;2-T"],"issn":["1053-1807"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/0000771303","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=13561","label":"url"}],"paper_title":{"en":"Light-induced Formation of 2,5-Dihydroxy-p-benzoquinone from Hydroquinone in Photoirradiated Silver-loaded Zirconium Phosphate Suspension","ja":"Light-induced Formation of 2,5-Dihydroxy-p-benzoquinone from Hydroquinone in Photoirradiated Silver-loaded Zirconium Phosphate Suspension"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Kourai Hiroki"},{"name":"Maeda Takuya"}],"ja":[{"name":"三好 弘一"},{"name":"高麗 寛紀"},{"name":"前田 拓也"}]},"description":{"en":"論文題目:銀担持水素リン酸ジルコニウム懸濁液中で光照射下にハイドロキノンから2,5-ジヒドロキシ-p-ベンゾキノンの生成，光照射された銀水素リン酸ジルコニウム懸濁液中で生成したOHラジカルはハイドロキノン存在下で，これを酸化しさらに2個のOHラジカルが付加した2, 5-dihydroxy-p-benzoquinoneを生成することがわかった．その生成機構についてESR測定による生成ラジカルの挙動から明らかにした．","ja":"論文題目:銀担持水素リン酸ジルコニウム懸濁液中で光照射下にハイドロキノンから2,5-ジヒドロキシ-p-ベンゾキノンの生成，光照射された銀水素リン酸ジルコニウム懸濁液中で生成したOHラジカルはハイドロキノン存在下で，これを酸化しさらに2個のOHラジカルが付加した2, 5-dihydroxy-p-benzoquinoneを生成することがわかった．その生成機構についてESR測定による生成ラジカルの挙動から明らかにした．"},"publication_date":"1998-02-01","publication_name":{"en":"Journal of the Chemical Society. Faraday Transactions","ja":"Journal of the Chemical Society. Faraday Transactions"},"volume":"94","number":"2","starting_page":"283","ending_page":"287","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1039/a705949c"],"issn":["0956-5000"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/0032583685","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=14559","label":"url"}],"paper_title":{"en":"Photochemical property and surface characterization of silver-loaded zirconium phosphate","ja":"Photochemical property and surface characterization of silver-loaded zirconium phosphate"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Ieyasu Masamitsu"},{"name":"Tomio Yoshino"},{"name":"Kourai Hiroki"}],"ja":[{"name":"三好 弘一"},{"name":"家保 雅光"},{"name":"吉野 富雄"},{"name":"高麗 寛紀"}]},"description":{"en":"論文題目:銀担持リン酸ジルコニウムの光化学特性と表面統制解明，銀担持リン酸ジルコニウム懸濁液への光照射により活性酸素ラジカルが生成することがESR測定によりわかった．光電気化学的測定により光カソード電流が観測されたことから，同試料上での光照射による電荷分離が確認された．担持された銀はイオンとして存在し電子プールサイトとして働くことが示唆された．以上より，新規機能性材料が光照射によりOHラジカルを発生することとその試料中での銀イオンの役割を明らかにした．","ja":"論文題目:銀担持リン酸ジルコニウムの光化学特性と表面統制解明，銀担持リン酸ジルコニウム懸濁液への光照射により活性酸素ラジカルが生成することがESR測定によりわかった．光電気化学的測定により光カソード電流が観測されたことから，同試料上での光照射による電荷分離が確認された．担持された銀はイオンとして存在し電子プールサイトとして働くことが示唆された．以上より，新規機能性材料が光照射によりOHラジカルを発生することとその試料中での銀イオンの役割を明らかにした．"},"publication_date":"1998-01-01","publication_name":{"en":"Journal of Photochemistry and Photobiology A: Chemistry","ja":"Journal of Photochemistry and Photobiology A: Chemistry"},"volume":"112","number":"2-3","starting_page":"239","ending_page":"244","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/S1010-6030(97)00286-4"],"issn":["1010-6030"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
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{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/0030782849","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=97607","label":"url"}],"paper_title":{"en":"Size Determination of Catena-m-(2, 5-dihydroxy-p-benzoquinonatonickel (II) Coordination Polymer Colloid and Its Photochemical Reaction","ja":"Size Determination of Catena-m-(2, 5-dihydroxy-p-benzoquinonatonickel (II) Coordination Polymer Colloid and Its Photochemical Reaction"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Matsumoto Mitsuhiro"},{"name":"Kanda Seiichi"}],"ja":[{"name":"三好 弘一"},{"name":"松本 光弘"},{"name":"神田 精一"}]},"publication_date":"1997","publication_name":{"en":"Journal of Colloid and Interface Science","ja":"Journal of Colloid and Interface Science"},"volume":"193","number":"1","starting_page":"26","ending_page":"31","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1006/jcis.1997.5055"],"issn":["0021-9797"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/0030248763","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=97610","label":"url"}],"paper_title":{"en":"Radiation induced thermoluminescence of calcium pyrophosphate powders prepared from thulium nitrate aqueous solution","ja":"Radiation induced thermoluminescence of calcium pyrophosphate powders prepared from thulium nitrate aqueous solution"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Yoshino Tomio"}],"ja":[{"name":"三好 弘一"},{"name":"吉野 富雄"}]},"publication_date":"1996-09","publication_name":{"en":"Radiation Physics and Chemistry","ja":"Radiation Physics and Chemistry"},"volume":"48","number":"3","starting_page":"315","ending_page":"318","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/0969-806X(95)00452-4"],"issn":["0969-806X"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/8733908","label":"url"},{"@id":"https://www.scopus.com/pages/publications/0029917561","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=251833","label":"url"}],"paper_title":{"en":"Proton magnetic resonance spectroscopy on childhood-onset dentatorubral-pallidoluysian atrophy(DRPLA)","ja":"Proton magnetic resonance spectroscopy on childhood-onset dentatorubral-pallidoluysian atrophy(DRPLA)"},"authors":{"en":[{"name":"Miyazaki Masahito"},{"name":"Hashimoto Toshiaki"},{"name":"Yoneda Yoshihiro"},{"name":"Tayama Masanobu"},{"name":"Harada Masafumi"},{"name":"Miyoshi Hirokazu"},{"name":"Kawano Noboru"},{"name":"Murayama Nobuhiro"},{"name":"Kondo Ikuko"},{"name":"Kuroda Yoshihiro"}],"ja":[{"name":"Miyazaki Masahito"},{"name":"橋本 俊顕"},{"name":"Yoneda Yoshihiro"},{"name":"Tayama Masanobu"},{"name":"原田 雅史"},{"name":"三好 弘一"},{"name":"Kawano Noboru"},{"name":"Murayama Nobuhiro"},{"name":"Kondo Ikuko"},{"name":"Kuroda Yoshihiro"}]},"description":{"en":"To evaluate brain dysfunction of childhood-onset dentatorubral-pallidoluysian atrophy (DRPLA), three children with progressive myoclonus epilepsy, who were diagnosed as having DRPLA by DNA analysis, for the first time, underwent a study of proton magnetic resonance spectroscopy (1H-MRS). 1H-MRS obtained from both the parietal and basal ganglia regions disclosed markedly reduced ratios of N-acetylaspartate to both choline and creatine. Especially regarding the basal ganglia region, the latter (ratio of N-acetylaspartate to creatine) closely correlated to severity of genetic abnormality, i.e. number of expanded CAG repeats, suggesting that the degree of neuronal loss in the region strongly depends on genetic factors. 1H-MRS must be a valuable tool to clarify the pathophysiology of DRPLA.","ja":"To evaluate brain dysfunction of childhood-onset dentatorubral-pallidoluysian atrophy (DRPLA), three children with progressive myoclonus epilepsy, who were diagnosed as having DRPLA by DNA analysis, for the first time, underwent a study of proton magnetic resonance spectroscopy (1H-MRS). 1H-MRS obtained from both the parietal and basal ganglia regions disclosed markedly reduced ratios of N-acetylaspartate to both choline and creatine. Especially regarding the basal ganglia region, the latter (ratio of N-acetylaspartate to creatine) closely correlated to severity of genetic abnormality, i.e. number of expanded CAG repeats, suggesting that the degree of neuronal loss in the region strongly depends on genetic factors. 1H-MRS must be a valuable tool to clarify the pathophysiology of DRPLA."},"publication_date":"1996-03","publication_name":{"en":"Brain & Development","ja":"Brain & Development"},"volume":"18","number":"2","starting_page":"142","ending_page":"146","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1016/0387-7604(95)00115-8"],"issn":["0387-7604"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=97805","label":"url"}],"paper_title":{"en":"Therpeutic Efficacy of A Case of Pyruvate Dehydrogenase Complex Deficiency Monitored by Localized Proton Magnetic Resonance Imaging","ja":"Therpeutic Efficacy of A Case of Pyruvate Dehydrogenase Complex Deficiency Monitored by Localized Proton Magnetic Resonance Imaging"},"authors":{"en":[{"name":"Harada Masafumi"},{"name":"Tanouchi Miki"},{"name":"Arai Kaeko"},{"name":"Nishitani Hiromu"},{"name":"Miyoshi Hirokazu"},{"name":"Hashimoto Toshiaki"}],"ja":[{"name":"原田 雅史"},{"name":"Tanouchi Miki"},{"name":"Arai Kaeko"},{"name":"西谷 弘"},{"name":"三好 弘一"},{"name":"橋本 俊顕"}]},"publication_date":"1996","publication_name":{"en":"Magnetic Resonance Imaging","ja":"Magnetic Resonance Imaging"},"volume":"14","number":"1","starting_page":"129","ending_page":"133","languages":["eng"],"referee":true,"published_paper_type":"scientific_journal"},"priority":"input_data"}
{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/0000893959","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=97608","label":"url"}],"paper_title":{"en":"Coordination of 2,5-dihydroxy-p-benzoquinone to Ni(II) ion","ja":"Coordination of 2,5-dihydroxy-p-benzoquinone to Ni(II) ion"},"authors":{"en":[{"name":"Miyoshi Hirokazu"},{"name":"Mihara Hiroki"},{"name":"Kanda Seiichi"}],"ja":[{"name":"三好 弘一"},{"name":"Mihara Hiroki"},{"name":"Kanda Seiichi"}]},"publication_date":"1996","publication_name":{"en":"Bulletin of the Chemical Society of Japan","ja":"Bulletin of the Chemical Society of Japan"},"volume":"69","number":"7","starting_page":"1933","ending_page":"1935","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1246/bcsj.69.1933"],"issn":["0009-2673"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
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{"insert":{"user_id":"5000005612","type":"published_papers"},"similar_merge":{"see_also":[{"@id":"https://www.ncbi.nlm.nih.gov/pubmed/7744704","label":"url"},{"@id":"https://www.scopus.com/pages/publications/0028960562","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=97848","label":"url"}],"paper_title":{"en":"Non-invasive Characterization of Brain Tumor by in-vivo Proton Magnetic Resonance Spectroscopy","ja":"Non-invasive Characterization of Brain Tumor by in-vivo Proton Magnetic Resonance Spectroscopy"},"authors":{"en":[{"name":"Harada Masafumi"},{"name":"Tanouchi Miki"},{"name":"Nishitani Hiromu"},{"name":"Miyoshi Hirokazu"},{"name":"Bandou Kazuhiko"},{"name":"Kannuki Seiji"}],"ja":[{"name":"原田 雅史"},{"name":"Tanouchi Miki"},{"name":"西谷 弘"},{"name":"三好 弘一"},{"name":"Bandou Kazuhiko"},{"name":"Kannuki Seiji"}]},"description":{"en":"We studied the feasibility of characterizing brain tumor tissue by localized proton magnetic resonance spectroscopy (1H-MRS). Twenty-six newly diagnosed tumors were examined by in-vivo 1H-MRS. The NAA (N-acetylaspartate)/Cho (choline) ratio of Grade 2 astrocytoma was higher than that of Grade 4. The Cho/Cr (creatine and phosphocreatine) ratio of meningioma was considerably higher than that of glioma of all grades. We have experienced only two cases of ependymoma and the Cho/Cr ratios of both were lower than that of glioma. It seems likely that 1H-MRS can be used to differentiate Grade 2 from Grade 4 in most cases of astrocytoma based on the NAA/Cho ratio, though a few cases will overlap. Meningioma can be distinguished easily from glioma, and the results of our study suggest that ependymoma shows a characteristic pattern on 1H-MRS, different from those of other brain tumors.","ja":"We studied the feasibility of characterizing brain tumor tissue by localized proton magnetic resonance spectroscopy (1H-MRS). Twenty-six newly diagnosed tumors were examined by in-vivo 1H-MRS. The NAA (N-acetylaspartate)/Cho (choline) ratio of Grade 2 astrocytoma was higher than that of Grade 4. The Cho/Cr (creatine and phosphocreatine) ratio of meningioma was considerably higher than that of glioma of all grades. We have experienced only two cases of ependymoma and the Cho/Cr ratios of both were lower than that of glioma. It seems likely that 1H-MRS can be used to differentiate Grade 2 from Grade 4 in most cases of astrocytoma based on the NAA/Cho ratio, though a few cases will overlap. Meningioma can be distinguished easily from glioma, and the results of our study suggest that ependymoma shows a characteristic pattern on 1H-MRS, different from those of other brain tumors."},"publication_date":"1995-03","publication_name":{"en":"Japanese Journal of Cancer Research","ja":"Japanese Journal of Cancer Research"},"volume":"86","number":"3","starting_page":"329","ending_page":"332","languages":["eng"],"referee":true,"identifiers":{"doi":["10.1111/j.1349-7006.1995.tb03059.x"],"issn":["0910-5050"]},"published_paper_type":"scientific_journal"},"priority":"input_data"}
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