Search Results - "Ueda, Shinichi"

Evaluation of technical performance of optical surface imaging system using conventional and novel stereotactic radiosurgery algorithms by Kojima, Hironori, Takemura, Akihiro, Kurokawa, Shogo, Ueda, Shinichi, Noto, Kimiya, Yokoyama, Haruna, Takamatsu, Shigeyuki

“…The Catalyst HD (C‐RAD Positioning AB, Uppsala, Sweden) optical surface imaging (OSI) system is able to manage interfractional patient positioning,…”
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Impact of pitch angle setup error and setup error correction on dose distribution in volumetric modulated arc therapy for prostate cancer by Takemura, Akihiro, Togawa, Kumiko, Yokoi, Tomohiro, Ueda, Shinichi, Noto, Kimiya, Kojima, Hironori, Isomura, Naoki, Kumano, Tomoyasu

“…In volumetric modulated arc therapy (VMAT) for prostate cancer, a positional and rotational error correction is performed according to the position and angle…”
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An uncertainty metric to evaluate deformation vector fields for dose accumulation in radiotherapy by Takemura, Akihiro, Nagano, Akira, Kojima, Hironori, Ikeda, Tomohiro, Yokoyama, Noriomi, Tsukamoto, Kosuke, Noto, Kimiya, Isomura, Naoki, Ueda, Shinichi, Kawashima, Hiroki

“…In adaptive radiotherapy, deformable image registration (DIR) is used to propagate delineations of tumors and organs into a new therapy plan and to calculate…”
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Reproducibility of diaphragm position assessed with a voluntary breath-holding device by Takamatsu, Shigeyuki, Takanaka, Tsuyoshi, Kumano, Tomoyasu, Mizuno, Eiichi, Shibata, Satoshi, Ohashi, Shizuko, Kurata, Yuichi, Ueda, Shinichi, Hori, Naoki, Shouji, Saori, Noto, Kimiya, Kojima, Hironori, Matsui, Osamu

“…Purpose To evaluate the reproducibility of diaphragm position in our new breath-holding radiotherapy for abdominal tumors using image-guided radiation therapy…”
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Antitumor-Promoting Naphthoquinones from Catalpa ovata by Fujiwara, Aki, Mori, Toshiyuki, Iida, Akira, Ueda, Shinichi, Hano, Yoshio, Nomura, Taro, Tokuda, Harukuni, Nishino, Hoyoku

“…Bioassay-directed fractionation of an extract of the stem-bark of Catalpa ovata led to the isolation of three new naphthoquinones: …”
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Accuracy of patient setup positioning using surface‐guided radiotherapy with deformable registration in cases of surface deformation by Kadman, Boriphat, Takemura, Akihiro, Ito, Tatsuya, Okada, Naoki, Kojima, Hironori, Ueda, Shinichi

“…The Catalyst™ HD (C‐RAD Positioning AB, Uppsala, Sweden) is surface‐guided radiotherapy (SGRT) equipment that adopts a deformable model. The challenge in…”
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Inhibitory effect of iridoids on Epstein-Barr virus activation by a short-term in vitro assay for anti-tumor promoters by Kapadia, Govind J., Sharma, Shekhar C., Tokuda, Harukuni, Nishino, Hoyoku, Ueda, Shinichi

“…The in vitro anti-tumor promoting effect of the methanolic extracts of iridoids containing three plants and several pure iridoids isolated from other plants,…”
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Result of the onsite dosimetry and questioning about quality assurance/ quality control of radiotherapy in the Hokuriku area - a comparison with past results - by Takemura, Akihiro, Tsukamoto, Naotaka, Yamamoto, Eiichi, Ueda, Shinichi, Kurata, Yuuichi, Kato, Shosuke, Nishijima, Akihiko, Matsukura, Akiyoshi, Koshida, Kichiro, Amano, Ryohei

“…To analyze temporal changes in human resources in the radiotherapy section, quality assurance/quality control (QA/QC) and dose difference for radiotherapy in…”
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Monoterpenoid and phenylethanoid glycosides from Ligustrum pedunculare by He, Z D, Ueda, S, Akaji, M, Fujita, T, Inoue, K, Yang, C R

“…Two new phenylethanoid glycosides, lipedosides A-I and A-II as well as six new monoterpene glycosides, lipedosides B-I-B-VI were isolated together with three…”
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Effect of an integral quality monitor on 4‐, 6‐, 10‐MV, and 6‐MV flattening filter‐free photon beams by Nguyen, Trang Hong Thi, Yokoyama, Haruna, Kojima, Hironori, Isomura, Naoki, Takemura, Akihiro, Ueda, Shinichi, Noto, Kimiya

“…Purpose To investigate the effect of an integral quality monitor (IQM; iRT Systems GmbH, Koblenz, Germany) on 4, 6, 10, and 6‐MV flattening filter‐free (FFF)…”
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Origin of the Acetate Units Composing the Hemiterpene Moieties of Chalcomoracin in Morus alba Cell Cultures by Hano, Yoshio, Ayukawa, Akio, Nomura, Taro, Ueda, Shinichi

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Late Stage of Biosynthesis of Intermolecular Diels-Alder Type Adducts in Morus alba L. Cell Cultures by Nomura, Taro, Hano, Yoshio, Ueda, Shinichi

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Production of Anti-Tumor-Promoting Iridoid Glucosides in Genipa americana and Its Cell Cultures by Ueda, Shinichi, Iwahashi, Yasuhiro, Tokuda, Harukuni

“…The Genipa americana plant contains geniposide [3] and geniposidic acid [2] in the fruits and geniposidic acid [2] in the leaves. On callus induction, the…”
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Structures of macrocalyxin B, F, G and H, and maoyerabdosin from Isodon macrocalyx by Wang Xian-Rong, Wang Hong-Ping, Hu Hui-Ping, Sun Han-Dong, Wang Su-Qing, Ueda, Shinichi, Kuroda, Yoshihiro, Fujita, Tetsuro

“…Four new diterpenoids, macrocalyxins B, F, G, and H, together with maoyerabdosin and the known rabdophyllin H, ponicidin, oridonin, and enmenol, were isolated…”
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Intramolecular photocycloadditions of 6,6′-dimethyl-4,4′-polymethylenedioxy-di-2-pyrones by Shimo, Tetsuro, Ueda, Shinichi, Suishu, Takaaki, Somekawa, Kenichi

“…Photosensitized reactions of 4,4′‐polymethylene‐di‐2‐pyrones 2b‐e afforded [2+2]‐cycloadducts 3‐5, site‐selectively. The selectivity depended upon the…”
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Database of Radiotherapy Plan Image for Deformable Image Registration by Takemura, Akihiro, Kaido, Ryoto, Idesako, Miki, Kadman, Boriphat, Kojima, Hironori, Ueda, Shinichi

“…Guidelines require commissioning for deformable image registration (DIR) software before clinical use. The accuracy of DIR software depends upon data used. If…”
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Multiple breath-hold segmented volumetric modulated arc therapy under real-time fluoroscopic image guidance with implanted fiducial markers: preliminary clinical experience by Takanaka, Tsuyoshi, Kumano, Tomoyasu, Takamatsu, Shigeyuki, Minami, Tetsuya, Koda, Wataru, Gabata, Toshifumi, Matsui, Osamu, Noto, Kimiya, Ueda, Shinichi, Kurata, Yuichi

“…A technique for multiple breath-hold segmented volumetric modulated arc therapy (VMAT) has been proposed under real-time fluoroscopic image guidance with…”
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BIOSYNTHESIS OF CHALCOMORACIN AND KUWANON J, THE DIELS-ALDER TYPE ADDUCTS, IN MORUS ALBA L. CELL CULTURES by HANO, Yoshio, NOMURA, Taro, UEDA, Shinichi

“…Experiments with [1-13C]-, [2-13C]- and [1, 2-13C2]-acetates administered to Morus alba cell cultures revealed that both optically active Diels-Alder type…”
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Two new phenolic compounds, kuwanols C and D, from the root bark of a mulberry tree redifferentiated from the callus tissues by HANO, Y, SUZUKI, S, NOMURA, T, UEDA, S

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Method for evaluating the positional accuracy of a six-degrees-of-freedom radiotherapy couch using high definition digital cameras by Takemura, Akihiro, Ueda, Shinichi, Noto, Kimiya, Kurata, Yuichi, Shoji, Saori

“…In this study, we proposed and evaluated a positional accuracy assessment method with two high-resolution digital cameras for add-on six-degrees-of-freedom…”
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