Výsledky vyhledávání - "Hiroto, Kimura"

Evaluation of beam-on time and number of breath-holds using a flattening-filter-free beam with the deep inspiration breath-hold method in left-sided breast cancer

Autor: Toru Takakura, Masahiko Koizumi, Aiki Uehara, Ayano Tashima, Satoshi Koubuchi, Tomoyo Hirose, Hiroto Kimura, Seiji Tachiiri

Publikováno v: Medical dosimetry : official journal of the American Association of Medical Dosimetrists. 45(4)

We performed a dosimetric study to evaluate the benefits of using a flattening-filter-free (FFF) beam with the deep inspiration breath-hold (DIBH) method for left-breast cancer. We used data from 30 previous patients with treatment plans that include

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f710536602ac7cc693ccb80c58b5b11
https://pubmed.ncbi.nlm.nih.gov/32546372

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A novel mammographic fusion imaging technique: the first results of tumor tissues detection from resected breast tissues using energy-resolved photon counting detector

Autor: Mariko Sasaki, Naoko Yoshida, Hiroto Kimura, Mitsuhiro Mizutani, Shuji Koyama, Masahiro Okada, Hiroaki Hayashi, Hiroto Nishide, Reina Suzuki, Daisuke Hashimoto, Megumi Watanabe, Natsumi Kimoto, Yoshie Kodera, Shuichiro Yamamoto

Publikováno v: Medical Imaging 2019: Physics of Medical Imaging.

We developed a prototype photon-counting mammography unit with a cadmium zinc telluride detector, which provides a new type of image with physical analysis parameters. Using the X-ray attenuation information obtained from this device, we examined the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::712df65cc52a45995fb3f165f30d79f7
https://doi.org/10.1117/12.2512271

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Activity for the oxygen reduction reaction of the single crystal electrode of Ni modified with Pt

Autor: Nagahiro Hoshi, Tomoaki Kumeda, Masashi Nakamura, Hiroto Kimura

Publikováno v: Electrochemistry Communications, Vol 68, Iss, Pp 15-18 (2016)

Activities for the oxygen reduction reaction (ORR) were investigated on Ni low index surfaces modified by electrochemical deposition of Pt (Pt/Ni(hkl)) and then thermal annealing. The ORR current density at 0.9 V (RHE) of the Pt/Ni(111) without annea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e31272915abe3e40be8ccc64c68fe9d
https://doi.org/10.1016/j.elecom.2016.04.005

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Terahertz Frequency-Domain Spectroscopy of Low-Pressure Acetonitrile Gas by a Photomixing Terahertz Synthesizer Referenced to Dual Optical Frequency Combs

Autor: Takeo Minamikawa, Takeshi Yasui, Francis Hindle, Tetsuo Iwata, Yasuhiro Mizutani, Hiroto Kimura, Hirotsugu Yamamoto, Kenta Hayashi, Kaoru Minoshima, Yi-Da Hsieh, Hajime Inaba

Publikováno v: Journal of Infrared, Millimeter, and Terahertz Waves. 37:903-915

A terahertz (THz) frequency synthesizer based on photomixing of two near-infrared lasers with a sub-THz to THz frequency offset is a powerful tool for spectroscopy of polar gas molecules due to its broad spectral coverage; however, its frequency accu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::42337dcf004860659918034d970e9c50
https://doi.org/10.1007/s10762-016-0277-6

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Development of energy-resolved photon-counting mammography with a cadmium telluride series detector to reduce radiation exposure and increase contrast-to-noise ratio using the high-energy X-rays

Autor: Shuji Koyama, Ai Nakajima, Tsutomu Yamakawa, Masahiro Okada, Mariko Sasaki, Hiroto Kimura, Daisuke Hashimoto, Shuichiro Yamamoto, Hiroaki Hayashi, Reina Suzuki, Yoshie Kodera

Publikováno v: IWBI

A new energy-resolved photon-counting mammography (ERPCM) device with a cadmium telluride (CdTe) series detector (JOB Corporation, Japan) is currently being developed. The CdTe series detector can detect higher-energy photons with high sensitivity, e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b037c931a68ea5da3bac3254540b85f
https://doi.org/10.1117/12.2317813

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