Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Akifumi Fukumura"'
Autor:
Tadashi Kamada, Manabu Mizota, Nobuyuki Kanematsu, Tatsuaki Kanai, Shinichi Minohara, Hideyuki Mizuno, Toshihiro Yanou, Shunsuke Yonai, Akifumi Fukumura, Ken Yusa, Masaki Suga, Toshiyuki Shirai
Publikováno v:
Journal of Applied Clinical Medical Physics
Purpose The QA team of the Japan carbon‐ion radiation oncology study group (J‐CROS) was organized in 2015 to enhance confidence in the accuracy of clinical dosimetry and ensure that the facility QA procedures are adequate. The team conducted onsi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4beaaa6a56f9450d0db18be2b221042b
https://doi.org/10.1002/acm2.12465
https://doi.org/10.1002/acm2.12465
Autor:
Chul-Koo Cho, Yuzuru-Kutsutani Nakamura, Miriam Joy C. Calaguas, Akifumi Fukumura, Cao Jianping, Surya Esentayeva, To Anh Dung, Shigekazu Fukuda, C.R. Beena Devi, Masooma Riaz, Kumiko Karasawa, Nana Supriana, Shingo Kato, Yaowalak Chansilpa, Hirohiko Tsujii, Hideyuki Mizuno, Parvin Akhter Banu
Publikováno v:
Journal of Radiation Research
A dose audit of 16 facilities in 11 countries has been performed within the framework of the Forum for Nuclear Cooperation in Asia (FNCA) quality assurance program. The quality of radiation dosimetry varies because of the large variation in radiation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6a306ceb4f2fe28c2db6bdc71b002b1
https://doi.org/10.1093/jrr/rrw108
https://doi.org/10.1093/jrr/rrw108
Autor:
Hugo Palmans, Stefaan Vynckier, Nigel D Lee, Francesco Romano, Russell Thomas, J. Hopfgartner, Akifumi Fukumura, S. Rossomme, Antoine Delor
Publikováno v:
Medical Physics. 43:4198-4208
Purpose: In this work, ion recombination is studied as a function of energy and depth in carbon ion beams. Methods: Measurements were performed in three different passively scattered carbon ion beams with energies of 62 MeV/n, 135 MeV/n, and 290 MeV/
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d361ffe2f95e73cf0d8e7e78af5baf9c
https://doi.org/10.1118/1.4953637
https://doi.org/10.1118/1.4953637
Autor:
Naruhiro Matsufuji, Hiroshi Tsuji, Nobuyuki Kanematsu, Takeshi Himukai, Tadashi Kamada, Mai Fukahori, Hideyuki Mizuno, Akifumi Fukumura
Publikováno v:
Radiotherapy and Oncology. 118(1):136-140
Purpose The aim of this study was to estimate normal tissue complication probability (NTCP) parameters for late rectal complications after carbon ion radiotherapy (C-ion RT) for prostate cancer. Methods and materials A total of 163 patients were used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b1ba6c56c90cf561bc71eda84a52470
https://repo.qst.go.jp/records/47676
https://repo.qst.go.jp/records/47676
Autor:
Tadahiro Kurosawa, Takahiro Tanaka, Y. Satou, Yuichiro Morishita, K. Hirayama, Masahiro Kato, Akifumi Fukumura, Norio Saito, M. Sakama, M. Shimizu, H. Yamaguchi
Publikováno v:
IFMBE Proceedings ISBN: 9789811090226
Alanine dosimeters are useful tools for measuring both kilo-gray level doses and radiation therapy level doses. The National Metrology Institute of Japan is planning to develop a dose measurement service for carbon-beam therapy. The purpose of this s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f852e861c995ea990798c8d6066d9d8
https://doi.org/10.1007/978-981-10-9023-3_104
https://doi.org/10.1007/978-981-10-9023-3_104
Autor:
Shigekazu Fukuda, Kazuki Iwaoka, Keiichi Akahane, Makoto Akashi, Shunsuke Yonai, Nobuyuki Miyahara, Akifumi Fukumura, Hiroshi Yasuda, Masaki Matsumoto
Publikováno v:
The Environmentalist. 32:136-143
The Great East Japan Earthquake has occurred on March 11, 2011, in the Tohoku District of Japan. Due to the earthquake, big tsunamis were induced, and they rushed to the Fukushima Nuclear Power Stations, causing severe accidents. Radioactive material
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea9503ec92a6c720acf1f156784f6917
https://doi.org/10.1007/s10669-011-9381-2
https://doi.org/10.1007/s10669-011-9381-2
Autor:
Jack M. Miller, Cary Zeitlin, Stephen B. Guetersloh, Lembit Sihver, T. Murakami, Akifumi Fukumura, Lawrence Heilbronn, Yoshiyuki Iwata
Publikováno v:
Advances in Space Research. 46:728-734
A critical need for NASA is the ability to accurately model the transport of heavy ions in the Galactic Cosmic Rays (GCR) through matter, including spacecraft walls, equipment racks, etc. Nuclear interactions are of great importance in the GCR transp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dd60b93c68575f30d11f252acaebfc1
https://doi.org/10.1016/j.asr.2010.04.035
https://doi.org/10.1016/j.asr.2010.04.035
Publikováno v:
Physics in Medicine and Biology. 54:1111-1130
Despite recent progress in carbon therapy, accurate values for physical data such as the w value in air or stopping power ratios for ionization chamber dosimetry have not been obtained. The absorbed dose to graphite obtained with the graphite calorim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb3ff09a02ca0ee86c17a52ebfada8be
https://doi.org/10.1088/0031-9155/54/5/002
https://doi.org/10.1088/0031-9155/54/5/002
Feasibility study of glass dosimeter postal dosimetry audit of high-energy radiotherapy photon beams
Autor:
Hiroshi Ikeda, Kanae Nishizawa, Tatsuaki Kanai, Akifumi Fukumura, Yohsuke Kusano, Kyoko Abe, Susumu Ko, Munefumi Shimbo, Suoh Sakata, Mari Ono, Hideyuki Mizuno, Satoshi Ishikura
Publikováno v:
Radiotherapy and Oncology. 86:258-263
INTRODUCTION: \nThe characteristics of a glass dosimeter were investigated for its potential use as a tool for postal dose audits. Reproducibility, energy dependence, field size and depth dependence were compared to those of a thermoluminescence dosi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9db75b7f4b7813cf8662ef05b0cfdcd5
https://repo.qst.go.jp/records/46523
https://repo.qst.go.jp/records/46523
Autor:
D. V. Ivanov, Satoru Endo, Kazbek N. Apsalikov, Kassym Zhumadilov, K. Schultka, Alexander Romanyukha, S. Toyoda, T. A. Seredavina, Akifumi Fukumura, Sergey Sholom, François Trompier, Paola Fattibene, V.F. Stepanenko, V.G. Skvortsov, Sandro Onori, C.A. Mitchell, G. Wolakiewicz, Kimio Tanaka, S. Pivovarov, V. De Coste, Masaharu Hoshi, Vadim V. Chumak, M. Penkowski, Albrecht Wieser, Zh. Zhumadilov, Alexander Ivannikov, S. Bayankin, Bartlomiej Ciesielski, A. Rukhin
Publikováno v:
Radiation Measurements. 42:1005-1014
For intercomparison of methods of dose determination using electron paramagnetic resonance (EPR) spectroscopy of tooth enamel, the same sets of enamel samples were analyzed in different laboratories using similar recording parameters. The sets of sam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8795ebe0e8649fed75ad532586ef4183
https://doi.org/10.1016/j.radmeas.2007.05.045
https://doi.org/10.1016/j.radmeas.2007.05.045