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Japanese Journal of Medical Physics

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https://www.readbyqxmd.com/read/29527001/looking-back-on-the-8th-japan-korea-joint-meeting-on-medical-physics
#1
Hajime Monzen
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29527000/-report-of-the-113th-scientific-meeting-of-the-japan-society-of-medical-physics
#2
Shigekazu Fukuda
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29526999/-report-of-the-112th-scientific-meeting-of-the-japan-society-of-medical-physics
#3
Yasumasa Kakinohana
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29526998/-report-of-the-111th-scientific-meeting-of-the-japan-society-of-medical-physics
#4
Fujio Araki
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29526997/-obtaining-an-impact-factor-radiological-physics-and-technology
#5
Saki Kasai
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29526996/-my-precious-memories-in-preparation-for-rpt
#6
Shigeru Sanada
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29526995/-history-in-management-of-japanese-journal-of-medical-physics
#7
Shinichi Minohara
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29526994/-notice-on-the-electronic-journal-of-jsmp
#8
Hidetoshi Saitoh, Tomoyuki Hasegawa
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29526993/-how-to-use-the-electronic-publishing-of-our-journal
#9
Takeji Sakae
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415968/-unknown-title
#10
(no author information available yet)
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415967/-energy-dependence-measurement-of-small-type-optically-stimulated-luminescence-osl-dosimeter-by-means-of-characteristic-x-rays-induced-with-general-diagnostic-x-ray-equipment
#11
https://www.readbyqxmd.com/read/29415966/-automatic-roi-construction-for-analyzing-time-signal-intensity-curve-in-dynamic-contrast-enhanced-mr-imaging-of-the-breast
#12
Koya Fujimoto
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415965/-a-computer-simulation-method-for-low-dose-ct-images-by-use-of-real-high-dose-images-a-phantom-study
#13
Tomomi Takenaga
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415964/-radiological-physics-and-technology-introduction-of-the-award-doi-prize-and-a-new-goal-of-this-journal-toward-next-decade
#14
Shinji Kawamura
No abstract text is available yet for this article.
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415963/-application-of-gel-detector-in-boron-neutron-capture-therapy
#15
Yoshinori Sakurai, Ryohei Uchida
At present, the development of the accelerator-based irradiation system for boron neutron capture therapy (BNCT) is energetically performed by various groups in the world. Especially in Japan, BNCT using various accelerator-based irradiation systems may be carried out at plural facilities in the near future. Thus, it is the time when BNCT is shifting from a special particle therapy to a general therapy, now. In order to promote this shift, not only the development and improvement for the irradiation system but also the preparation and improvement in the physical engineering and medical physics, such as dosimetry system, etc...
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415962/-evaluation-of-three-dimensional-dose-distributions-by-using-polymer-gel-dosimeters-based-on-hpc-gel-sheets
#16
Akihiro Hiroki, Mitsumasa Taguchi
We have proposed a novel polymer gel dosimeter containing of 2-hydroxyethyl methacrylate (HEMA), nonaethylene glycol dimethacrylate (9G), and tetrakis (hydroxymethyl) phosphonium chloride (THPC) with radiation-crosslinked hydroxypropyl cellulose (HPC) gel sheet. The transparent sheet-type dosimeters became white and cloudy by irradiation with gamma-rays and heavy ions such as He ions (150 MeV/u), C ions (290 MeV/u), Fe ions (500 MeV/u). The cloudiness increased with increasing dose. The cloudiness distribution with the sheet-type dosimeter was obtained by using a flatbed scanner to evaluate the dose distribution...
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415961/-three-dimensional-dosimetry-of-carbon-ion-beams-by-gel-dosimeters
#17
Hikaru Souda, Makoto Sakai, Kyohei Fukata, Takayoshi Ishii
A three-dimensional dosimetry method is strongly required in the dose distribution measurement of a patient QA of a heavy ion therapy. Nanocomposite Fricke gel dosimeters are the most possible candidate for this purpose. Experimental dose distribution measurements were carried out using a scanning irradiation port of Gunma University Heavy Ion Medical Center. The result showed no significant LET dependence and indicated a possibility for a precise dosimetry of a heavy ion therapy. It also indicated the importance of three-dimensional dosimetry in the commissioning process of the treatment accelerator...
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415960/-accuracy-check-of-monte-carlo-simulation-in-particle-therapy-using-gel-dosimeters
#18
Takuya Furuta
Gel dosimeters are a three-dimensional imaging tool for dose distribution induced by radiations. They can be used for accuracy check of Monte Carlo simulation in particle therapy. An application was reviewed in this article. An inhomogeneous biological sample placing a gel dosimeter behind it was irradiated by carbon beam. The recorded dose distribution in the gel dosimeter reflected the inhomogeneity of the biological sample. Monte Carlo simulation was conducted by reconstructing the biological sample from its CT image...
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415959/-polymer-gel-dosimetry-for-the-high-dose-rate-brachytherapy-using-ir-192-source
#19
Yusuke Watanabe, Shinya Mizukami, Kou Eguchi, Takuya Maeyama, Shin-Ichiro Hayashi, Tsuyoshi Terazaki, Kazumasa Yamamoto, Nobuaki Shuto, Tsutomu Gomi
High-dose-rate (HDR) brachytherapy is performed with the remote after-loading system (RALS) to transport an Ir-192 source directly to inside or near the tumor. Quality assurance (QA) of equipment should be performed at sufficient frequency to ensuring safety and quality of HDR brachytherapy treatment. Polymer gel dosimeters have been attracting attention in recent years as a QA tools of HDR brachytherapy, because they can measure the three-dimensional steep dose gradients around HDR sources. In this paper, we introduce our preliminary results using VIPET polymer gel dosimeters for Ir-192 HDR brachytherapy dosimetry...
2017: Japanese Journal of Medical Physics
https://www.readbyqxmd.com/read/29415958/-evaluation-of-3d-dose-distribution-and-clinical-applications-using-polymer-gel-dosimeter
#20
Kaoru Ono, Sachie Fujimoto, Shin-Ichiro Hayashi, Kazunari Hioki, Masanori Miyazawa, Yukio Akagi, Yutaka Hirokawa
Evaluation of dosimetric impact of the interplay effect between multi-leaf collimator (MLC) movement and tumor respiratory motion during volumetric modulated arc therapy (VMAT) delivery using polymer gel dosimeter was taken as an example in this article. An excellent gas barrier PAN (polyacrylonitrile) bottle filled with polyacrylamide-based gel dosimeter contained magnesium chloride as a sensitizer (iPAGAT dosimeter) was set to the QUASARâ„¢ respiratory motion phantom (Modus), and was moved with motion amplitudes (peak-to-peak amplitude) of 1 and 2 cm with a 4 second period during VMAT delivery by the Novalis Tx linear accelerator (Varian/BrainLAB)...
2017: Japanese Journal of Medical Physics
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