Pub Date : 2022-07-15DOI: 10.3769/radioisotopes.71.93
T. Dohino
{"title":"(4) Mechanism of Plant Quarantine and Irradiation Treatment Schedules as International Standards for Phytosanitary Measures","authors":"T. Dohino","doi":"10.3769/radioisotopes.71.93","DOIUrl":"https://doi.org/10.3769/radioisotopes.71.93","url":null,"abstract":"","PeriodicalId":20809,"journal":{"name":"Radioisotopes","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80813653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-07-15DOI: 10.3769/radioisotopes.71.115
Nattawipa Suwannasaeng, T. Kakizaki, Seiichi Wada, M. Natsuhori
{"title":"External Exposure to Veterinary Staff and Pet Owners from 18F-fluorodeoxyglucose (18F-FDG) Positron Emission Tomography","authors":"Nattawipa Suwannasaeng, T. Kakizaki, Seiichi Wada, M. Natsuhori","doi":"10.3769/radioisotopes.71.115","DOIUrl":"https://doi.org/10.3769/radioisotopes.71.115","url":null,"abstract":"","PeriodicalId":20809,"journal":{"name":"Radioisotopes","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89372631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-07-15DOI: 10.3769/radioisotopes.71.161
Shigeki Watanabe
{"title":"Productions and Application to Life Science of Useful Accelerator-produced Radioisotopes","authors":"Shigeki Watanabe","doi":"10.3769/radioisotopes.71.161","DOIUrl":"https://doi.org/10.3769/radioisotopes.71.161","url":null,"abstract":"","PeriodicalId":20809,"journal":{"name":"Radioisotopes","volume":"195 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77637093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-07-15DOI: 10.3769/radioisotopes.71.141
Hirofumi Fujii, K. Ohnuki, S. Takeda, M. Katsuragawa, Atsushi Yagishita, G. Yabu, Shin Watanabe, Tadayuki Takahashi
{"title":"A Pure Tungsten Collimator Manufactured Using 3D Printing Technology for the Evaluation of 211At Radionuclide Therapy","authors":"Hirofumi Fujii, K. Ohnuki, S. Takeda, M. Katsuragawa, Atsushi Yagishita, G. Yabu, Shin Watanabe, Tadayuki Takahashi","doi":"10.3769/radioisotopes.71.141","DOIUrl":"https://doi.org/10.3769/radioisotopes.71.141","url":null,"abstract":"","PeriodicalId":20809,"journal":{"name":"Radioisotopes","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74236092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-07-15DOI: 10.3769/radioisotopes.71.153
Hirofumi Ichiki, K. Mukae, Shinji Mitsuiki, T. Kawaguchi
{"title":"Analyzing Tritium Radioactivity in Nihon-shu Specialized by Fukushima Using MAgnetically Levitated Electrode Ionization Chamber","authors":"Hirofumi Ichiki, K. Mukae, Shinji Mitsuiki, T. Kawaguchi","doi":"10.3769/radioisotopes.71.153","DOIUrl":"https://doi.org/10.3769/radioisotopes.71.153","url":null,"abstract":"","PeriodicalId":20809,"journal":{"name":"Radioisotopes","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77417014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-07-15DOI: 10.3769/radioisotopes.71.109
M. Tsuda, M. Yamaguchi, Ryota Satori, W. Kada, T. Kamiya, M. Sakai, Y. Nagao, N. Kawachi
{"title":"Visualization of Particle Ion Beams Using Imaging Plates","authors":"M. Tsuda, M. Yamaguchi, Ryota Satori, W. Kada, T. Kamiya, M. Sakai, Y. Nagao, N. Kawachi","doi":"10.3769/radioisotopes.71.109","DOIUrl":"https://doi.org/10.3769/radioisotopes.71.109","url":null,"abstract":"","PeriodicalId":20809,"journal":{"name":"Radioisotopes","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82468108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-03-15DOI: 10.3769/radioisotopes.71.35
K. Kaminaga, A. Yokoya, Hisanori Fukunaga
Fertility preservation in radiotherapy is of significance for the quality of life among post-treatment cancer survi-vors. In this study, using a mouse testicular tissue culture and a common X-ray irradiator, we analyzed the recovery process of spermatogenesis in spatially fractionated radiation fields, suggesting that spermatogonial stem cell migration may be involved in the recovery process. These tissue culture approaches are expected to provide a novel insight into the mechanisms of radiotherapy-related male infertility.
{"title":"Application of a Mouse Ex Vivo Spermatogenesis Model to Elucidate the Mechanism of Radio-Therapy-Related Male Infertility","authors":"K. Kaminaga, A. Yokoya, Hisanori Fukunaga","doi":"10.3769/radioisotopes.71.35","DOIUrl":"https://doi.org/10.3769/radioisotopes.71.35","url":null,"abstract":"Fertility preservation in radiotherapy is of significance for the quality of life among post-treatment cancer survi-vors. In this study, using a mouse testicular tissue culture and a common X-ray irradiator, we analyzed the recovery process of spermatogenesis in spatially fractionated radiation fields, suggesting that spermatogonial stem cell migration may be involved in the recovery process. These tissue culture approaches are expected to provide a novel insight into the mechanisms of radiotherapy-related male infertility.","PeriodicalId":20809,"journal":{"name":"Radioisotopes","volume":"60 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74714073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-03-15DOI: 10.3769/radioisotopes.71.9
K. Tagami, S. Uchida
Considerations Changes in numbers of food materials that exceeded the standard limits of radiocaesium ( 134 Cs+ 137 Cs) with time were examined for the last decade after the accident at TEPCO ʼ s Fukushima Daiichi Nuclear Power Plant using the food monitoring data collated by the Ministry of Health, Labour and Welfare. The food standard limits that set from April 1, 2012, were used throughout the study to elucidate changes in exceeding ratios of radiocaesium. For this analysis, we did not use the data for beef, because number of all beef cattle inspec-tion occupied more than 60 ％ of total numbers of food monitoring until March 2020. It was found that the ratio exceeding the limit has been less than 1 ％ since 2014. After 2018, most food items have never exceeded the standard value except for wild animal meat, wild plants and mushrooms. These uncontrollable wild foods may need to be monitored their radiocaesium activity concentrations for a longer time period; however, public people do not use these foods frequently. Thus, it was assumed that the internal dose by ingestion of these food materials would provide only a limited contribution to the total radiation from the environment.
{"title":"Considerations on Food Materials that Exceeded the Standard Limits of Radiocaesium with Time: Use of Food Monitoring Data","authors":"K. Tagami, S. Uchida","doi":"10.3769/radioisotopes.71.9","DOIUrl":"https://doi.org/10.3769/radioisotopes.71.9","url":null,"abstract":"Considerations Changes in numbers of food materials that exceeded the standard limits of radiocaesium ( 134 Cs+ 137 Cs) with time were examined for the last decade after the accident at TEPCO ʼ s Fukushima Daiichi Nuclear Power Plant using the food monitoring data collated by the Ministry of Health, Labour and Welfare. The food standard limits that set from April 1, 2012, were used throughout the study to elucidate changes in exceeding ratios of radiocaesium. For this analysis, we did not use the data for beef, because number of all beef cattle inspec-tion occupied more than 60 ％ of total numbers of food monitoring until March 2020. It was found that the ratio exceeding the limit has been less than 1 ％ since 2014. After 2018, most food items have never exceeded the standard value except for wild animal meat, wild plants and mushrooms. These uncontrollable wild foods may need to be monitored their radiocaesium activity concentrations for a longer time period; however, public people do not use these foods frequently. Thus, it was assumed that the internal dose by ingestion of these food materials would provide only a limited contribution to the total radiation from the environment.","PeriodicalId":20809,"journal":{"name":"Radioisotopes","volume":"47 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89647223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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