Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Yuya Oki"'
Autor:
Masao Nakayama, Hiroaki Akasaka, Eiichi Miyazaki, Yoshihiro Goto, Yuya Oki, Yosuke Kawate, Kenta Morita, Ryohei Sasaki
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 20, Iss , Pp 94-97 (2021)
Metal-based nanoparticles (NPs) have been extensively studied for dose enhancement applications in radiation therapy. This study investigated the utility of such NPs for image-guided radiation therapy (IGRT). Phantom images of gold NPs (AuNPs) and ti
Externí odkaz:
https://doaj.org/article/5f3b2dab33b6420f97e9960b260520ff
Publikováno v:
Crystals, Vol 9, Iss 7, p 328 (2019)
We present preliminary results on minority carrier traps in as-grown n-type 4H−SiC Schottky barrier diodes. The minority carrier traps are crucial for charge trapping and recombination processes. In this study, minority carrier traps were investiga
Externí odkaz:
https://doaj.org/article/c91beb725f4f4fe19124092d814fabcd
Autor:
Kenta Morita, Hiroaki Akasaka, Ryohei Sasaki, Yosuke Kawate, Eiichi Miyazaki, Yoshihiro Goto, Yuya Oki, Masao Nakayama
Publikováno v:
Physics and Imaging in Radiation Oncology
Physics and Imaging in Radiation Oncology, Vol 20, Iss, Pp 94-97 (2021)
Physics and Imaging in Radiation Oncology, Vol 20, Iss, Pp 94-97 (2021)
Metal-based nanoparticles (NPs) have been extensively studied for dose enhancement applications in radiation therapy. This study investigated the utility of such NPs for image-guided radiation therapy (IGRT). Phantom images of gold NPs (AuNPs) and ti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::328148328da3e5101722e31986014991
https://hdl.handle.net/20.500.14094/90008881
https://hdl.handle.net/20.500.14094/90008881
Autor:
Yuya Oki, Hiroaki Akasaka, Kazuyuki Uehara, Kazufusa Mizonobe, Masanobu Sawada, Junya Nagata, Aya Harada, Hiroshi Mayahara
Introduction: Intensity-modulated radiation therapy (IMRT) has become a popular choice for breast cancer treatment. We aimed to evaluate and compare the robustness of each optimization method used for breast IMRT using TomoTherapy.Methods: A retrospe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4ffd6c198f2957f2ed8a7749290eb29
https://doi.org/10.21203/rs.3.rs-1628398/v1
https://doi.org/10.21203/rs.3.rs-1628398/v1
Autor:
Tomonori Yabuuchi, Kazufusa Mizonobe, Hiroki Kawaguchi, Hiroaki Akasaka, Hikaru Kubota, Ryohei Sasaki, Ai Nakaoka, Yuya Oki, Daisuke Miyawaki, Aya Harada, Shuichiro Miyazaki, Hiroshi Mayahara, Masao Nakayama, Takeaki Ishihara, Naritoshi Mukumoto, Satoshi Seno, Kazuyuki Uehara, Keiji Kitatani, Ryuichi Yada
Publikováno v:
Journal of Radiotherapy in Practice. 21:309-314
Aim:CyberKnife is the most advanced form of stereotactic body radiotherapy (SBRT) system that uses a robotic arm to deliver highly focused beams of radiation; however, a limitation is that it only irradiates from ceiling to floor direction. In patien
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::121ea33d3a90339d23c15e2a10e384c7
https://doi.org/10.1017/s1460396920001193
https://doi.org/10.1017/s1460396920001193
Autor:
Hiroaki Akasaka, Kazufusa Mizonobe, Yuya Oki, Kazuyuki Uehara, Masao Nakayama, Shuhei Tamura, Yoshiki Munetomo, Haruna Kawaguchi, Jun Ishida, Aya Harada, Takeaki Ishihara, Hikaru Kubota, Hiroki Kawaguchi, Ryohei Sasaki, Hiroshi Mayahara
Publikováno v:
Journal of applied clinical medical physics. 23(6)
Purpose Real-time tracking systems of moving respiratory targets such as CyberKnife, Radixact, or Vero4DRT are an advanced robotic radiotherapy device used to deliver stereotactic body radiotherapy (SBRT). The internal target volume (ITV) of lung tum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::810d65b603c3602c85303ccef966ebcb
https://pubmed.ncbi.nlm.nih.gov/35377962
https://pubmed.ncbi.nlm.nih.gov/35377962
Autor:
Ryohei Sasaki, Keiji Kitatani, Yuya Oki, Ai Nakaoka, Hiroaki Akasaka, Naritoshi Mukumoto, Tomonori Yabuuchi, Naoki Hashimoto, Hiroshi Mayahara, Kazufusa Mizonobe, Kazuyuki Uehara, Kazuma Iwashita, Daisuke Miyawaki, Takeaki Ishihara, Aya Harada
Publikováno v:
Journal of Radiotherapy in Practice. 20:294-299
Aim:To modify the final dose delivered to superficial tissues and to modulate dose distribution near irradiated surface, different boluses are used. Air gaps often form under the bolus affecting dose distribution. This study aimed to evaluate the eff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c7b75ed4f45a0313cb4b1f99cc62532
https://doi.org/10.1017/s1460396920000333
https://doi.org/10.1017/s1460396920000333
Autor:
Keiji Kitatani, Shuichirou Miyazaki, Hiroshi Mayahara, Kazufusa Mizonobe, Tomonori Yabuuchi, Yuichirou Shiota, Hiroaki Akasaka, Risako Sakamoto, Aya Harada, Yuya Oki, Takayuki Hattori, Kazuyuki Uehara
Publikováno v:
Journal of Applied Clinical Medical Physics
In prostate stereotactic body radiation therapy (SBRT), hydrogel spacers are increasingly used. This study aimed to perform a dosimetry comparison of treatment plans using CyberKnife (CK), commonly used for prostate SBRT, Helical TomoTherapy (HT), an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5c6ab1ffff1d82ffceed260c93aba70
https://pubmed.ncbi.nlm.nih.gov/34359100
https://pubmed.ncbi.nlm.nih.gov/34359100
Autor:
Tomislav Brodar, Yuya Oki, Luka Snoj, Yoji Chiba, Takeshi Ohshima, Ivana Capan, Vladimir Radulović, Yuichi Yamazaki, Yasuto Hijikata
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
We report on influence of neutron radiation on majority and minority carrier traps in n-type 4H-SiC. Together with the increase of the well-known carbon vacancy (VC) majority carrier related trap, neutron irradiation has introduced two deep traps, la
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dc7daab982b553018fbb5b2907283b1
https://www.bib.irb.hr/1089884
https://www.bib.irb.hr/1089884
Publikováno v:
Crystals
Crystals, Vol 9, Iss 7, p 328 (2019)
Volume 9
Issue 7
Crystals, Vol 9, Iss 7, p 328 (2019)
Volume 9
Issue 7
We present preliminary results on minority carrier traps in as-grown n-type 4H&ndash
SiC Schottky barrier diodes. The minority carrier traps are crucial for charge trapping and recombination processes. In this study, minority carrier traps were
SiC Schottky barrier diodes. The minority carrier traps are crucial for charge trapping and recombination processes. In this study, minority carrier traps were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24bab975980199f92b60a0aeb2560252