Search Results 1-20 of 41

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  • Detection of sentinel lymph nodes using the LIGHTVISION indocyanine green fluorescence system in 2 patients with malignant melanoma  [in Japanese]

    HANAOKA Yuma , TANEMURA Atsushi , TANAKA Mari , SHIMIZU Yuri , TAKAFUJI Madoka , HAYASHI Misa , KANEDA Mari , KATAYAMA Ichiro

    <p>1997年頃よりセンチネルリンパ節生検(SLNB)が導入され,色素法,RI法,インドシアニングリーン(ICG)蛍光法などの併用により検出率は向上してきている。今回我々は悪性黒色腫(MM)2例のSLNBに対し,島津製作所の近赤外光カメラシステムLIGHTVISIONを用いたICG蛍光法を試みた。症例1:39歳,男性。右大腿の結節型MMを全摘生検後にSLNB施行,右鼠径から3個センチ …

    Skin Cancer 33(3), 226-230, 2019

    J-STAGE  Ichushi Web 

  • Two Opsin 3-Related Proteins in the Chicken Retina and Brain : A TMT-Type Opsin 3 Is a Blue-Light Sensor in Retinal Horizontal Cells, Hypothalamus, and Cerebellum

    Kato Mutsuko , Sugiyama Takashi , Sakai Kazumi , Yamashita Takahiro , Fujita Hirofumi , Sato Keita , Tomonari Sayuri , Shichida Yoshinori , Ohuchi Hideyo

    … Bioluminescence imaging and G protein activation assays demonstrated that the chicken TMT opsin (cTMT) functions as a blue light sensor when forced-expressed in mammalian cultured cells. … We did not detect evidence of light sensitivity for the chicken Opn3 (cOpn3). … In contrast, cOpn3-IR cells were found in distinct subsets of cells in the inner nuclear layer. …

    PLOS ONE 11(11), e0163925, 2016-11-18

    IR 

  • Two Opsin 3-Related Proteins in the Chicken Retina and Brain: A TMT-Type Opsin 3 Is a Blue-Light Sensor in Retinal Horizontal Cells, Hypothalamus, and Cerebellum

    Kato Mutsuko , Sugiyama Takashi , Sakai Kazumi , Yamashita Takahiro , Fujita Hirofumi , Sato Keita , Tomonari Sayuri , Shichida Yoshinori , Ohuchi Hideyo

    … Bioluminescence imaging and G protein activation assays demonstrated that the chicken TMT opsin (cTMT) functions as a blue light sensor when forced-expressed in mammalian cultured cells. … We did not detect evidence of light sensitivity for the chicken Opn3 (cOpn3). … In contrast, cOpn3-IR cells were found in distinct subsets of cells in the inner nuclear layer. …

    PLOS ONE 11(11), 2016-11-18

    IR 

  • Visual Function Evaluation System Using Blue Contrast Sensitivity  [in Japanese]

    SAKURAI Risa , TAKEMURA Tadamasa , TAMURA Hiroshi , KURODA Tomohiro , HORIO Hiroyuki

    … It has been reported that lens opacity leads to absorption of blue color with short wavelength. … Therefore, we hypothesized that the relationship between decrease in visual function and QOL can be examined if we can measure a person's recognition of blue color. … In this study, we develop a visual function evaluation system to measure the blue color differential threshold. …

    Transactions of Japanese Society for Medical and Biological Engineering 53(3), 187-192, 2015

    J-STAGE  Ichushi Web 

  • ENDOSCOPIC DIAGNOSIS OF GASTRIC INTESTINAL METAPLASIA : A PROSPECTIVE MULTICENTER STUDY  [in Japanese]

    FUKUTA Nobuhiro , IDA Kazunori , KATO Takahiro , UEDO Noriya , ANDO Takashi , WATANABE Hidenobu , SHIMBO Takuro , Study Group for Investigating Endoscopic Diagnosis of Gastric Intestinal Metaplasia

    … 間,暗中模索の状態であったが,近年メチレンブルー染色法やNBIを用いた拡大内視鏡観察によって臨床的に診断が可能になった.しかし,われわれは内視鏡診断の基本であるconventional methodおよびIndigo carmine contrast method(IC method)を応用した簡便なIM診断が必要と考え研究を行った.<BR>【方法】本研究は,10施設が参加した多施設前向き無作為比較共同研究である.IMの所見は,電子スコープを用いてconventional …

    GASTROENTEROLOGICAL ENDOSCOPY 57(4), 1219-1229, 2015

    J-STAGE 

  • Opsin expression, physiological characterization and identification of photoreceptor cells in the dorsal rim area and main retina of the desert locust, Schistocerca gregaria.

    SCHMELING Fabian , WAKAKUWA Motohiro , TEGTMEIER Jennifer , KINOSHITA Michiyo , BOCKHORST Tobias , ARIKAWA Kentaro , HOMBERG Uwe

    … For compass orientation many insects rely on the pattern of sky polarization, but some species also exploit the sky chromatic contrast. … In addition to previously characterized opsins of long-wavelength-absorbing (Lo1) and blue-absorbing visual pigments (Lo2), we identified an opsin of an ultraviolet-absorbing visual pigment (LoUV). … DRA photoreceptors exclusively expressed Lo2, had peak spectral sensitivities at 441 nm and showed high polarization sensitivity (PS 1.3-31.7). …

    The Journal of experimental biology = The Journal of experimental biology 217(19), 3557-3568, 2014

    IR 

  • Readability of Colored Text Under LED lighting and Fluorescent Lighting  [in Japanese]

    KUBO Chiho , YAMAGISHI Misako , AYAMA Miyoshi , YAMABA Kazuo

    … Meanwhile, result of an experiment using nine color combinations by blue or red with the young and elderly subjects confirmed that age affects readability. … This might be due to the reduced sensitivity to lightness of elderly subjects not only in the short-wavelength region but also in the long-wavelength region. …

    JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 97(5), 255-262, 2013-05-01

    J-STAGE  References (15)

  • A Proposal for Training Method on Color Discrimination in Value

    YAMAGISHI Misako , TANAKA Yoshifumi , SANO Fumiya , NAKAMURA Sumio

    … In terms of universally accessible design, brightness is especially important because of its robustness to color-blindness and age-related changes of color sensitivity. … In standard JCRI training (ST), participants put a set of color cards in a same hue plane (blue, red or yellow) in order of chroma and value. … In contrast, participants in VT are presented seven cards with different hue, chroma, and value, and seriate them in order of brightness, ignoring other attributes. …

    Transactions of Japan Society of Kansei Engineering 11(2), 249-254, 2012

    J-STAGE 

  • Enhancing spectral contrast in organic red-light photodetectors based on a light-absorbing and exciton-blocking layered system

    Higashi Yusuke , Kim Kyu-Sik , Jeon Hyeon-Gu , Ichikawa Musubu

    … We incorporated an additional set of organic layers that was composed of two organic p-type semiconductors to reduce the blue-light sensitivities of CuPc- and C-60-based organic photodetectors. … A thick (>100 nm) P6T layer absorbed blue light, preventing it from reaching the photoactive layer, and a thin (similar to 20 nm) BP3T layer whose band gap was larger than that of P6T blocked excitation energy transfer from P6T to CuPc. …

    JOURNAL OF APPLIED PHYSICS 108(3), 2010-08-01

    IR 

  • Perceived Brightness Evaluation of LED Light in Daytime Fog

    KURNIAWAN Bobsy Arief , ZAINI Mohamad Fauzi bin , NAKASHIMA Yoshio , TAKAMATSU Mamoru

    … Investigation of the brightness of LED on traffic information board or traffic signs under foggy conditions is an important practical consideration, because LED becomes fainter and contrast is reduced. … In this paper, by evaluating LED brightness with human visual sensitivity, it is understood that in daytime fog condition and different fog densities do affecting brightness evaluation. …

    Journal of Light & Visual Environment 33(3), 153-155, 2009-12-01

    J-STAGE  References (5)

  • Antioxidant Capacity and Damages Caused by Salinity Stress in Apical and Basal Regions of Rice Leaf

    Yamane Koji , Mitsuya Shiro , Kawasaki Michio , Taniguchi Mitsutaka , Miyake Hiroshi

    … We investigated the mechanisms of increased sensitivity to Na<sup>+</sup> … In the plants exposed to 200 mM NaCl, Nitro blue tetrazolium (NBT) reducing activity, and H<sub>2</sub>O<sub>2</sub> … By contrast, the activities of catalase and glutathione reductase in the basal region increased compared with those in the control, and other antioxidant enzymes did not decrease under salinity during the experimental period. …

    Plant Production Science 12(3), 319-326, 2009

    J-STAGE 

  • Behavioral Profiles of Feline Breeds in Japan

    TAKEUCHI Yukari , MORI Yuji

    … When all breeds were categorized into four groups on the basis of a cluster analysis using the scores of two behavioral trait factors called "aggressiveness/sensitivity" and "vivaciousness", the group including Abyssinian, Russian Blue, Somali, Siamese, and Chinchilla breeds showed high aggressiveness/sensitivity and low vivaciousness. …

    Journal of Veterinary Medical Science 71(8), 1053-1057, 2009

    J-STAGE 

  • 4-3 Measurement of Chromatic Spatio-Velocity Contrast Sensitivity  [in Japanese]

    HIRAI Keita , TSUMURA Norimichi , NAKAGUCHI Toshiya

    … In this paper, spatio-velocity contrast sensitivities were measured by using red-green and blue-yellow grating stimuli. … The results show the contrast sensitivities at the spatial frequencies over one cycle-per-degree decrease gradually as the velocities of the stimuli increase. …

    PROCEEDINGS OF THE ITE WINTER ANNUAL CONVENTION 2009(0), _4-3-1_, 2009

    J-STAGE 

  • Development of Risk Assessment Procedure for Evaluating Effect of Herbicides on Primary Productivity of River Ecosystem  [in Japanese]

    石原 悟

    河川水生生物の水稲用除草剤による暴露実態を長期のモニタリングで明らかにすると共に、河川生態系の一次生産性に及ぼす水稲用除草剤の影響評価について、より精度の高い評価手法の開発を試みた。その結果、これまで知見が少なかった藻類に対する除草剤の影響が明らかになった。また、フローサイトメトリーによる細胞計測により、細胞の形態に及ぼす影響及び回復性を考慮した簡易な評価を可能とした。さらに、これまで試験が困難で …

    農業環境技術研究所報告 = Bulletin of National Institute for Agro-Environmental Sciences (25), 1-92, 2008-07

    IR  DOI 

  • <b>Glia-mediated facilitation of neuronal excitation in the spinal dorsal horn in arthritic rats </b>  [in Japanese]

    Ikeda Hiroshi , Nishi Ryosuke , Murase Kazuyuki

    …  Sensitization in the spinal dorsal horn is believed to be a cellular mechanism for enhanced pain sensitivity. … In contrast, a microglial inhibitor minocycline, as well as P2Y receptor antagonsist reactive blue,inhibited neuronal excitation in arthritis rats one day, but not one hour after injection. …

    PAIN RESEARCH 23(3), 151-157, 2008

    J-STAGE 

  • Blue-light filtering intraocular lens in patients with diabetes : contrast sensitivity and chromatic discrimination

    RODRIGUEZ-GALIETERO A

    J Cataract Refract Surg 31, 2088-2092, 2005

    DOI  Cited by (1)

  • Feasibility of Cu/a-Si Bilayer for High Data-Transfer-Rate Write-Once Blue-Ray Recording

    HER Yung-Chiun , WU Chun-Lin

    … At the wavelength of 405 nm, the Cu/a-Si bilayer exhibited an optical contrast of 15.4% and an absorptance of 47% providing high readability and adequate recording sensitivity. … It is evident that the Cu/a-Si bilayer shows great feasibility for high data-transfer-rate write-once blue-ray recording. …

    Japanese Journal of Applied Physics 43(3), 1013-1017, 2004-03-15

    J-STAGE  DOI  References (11)

  • Visual-Chromatic Spatial and Temporal Frequency Responses in Elderly People  [in Japanese]

    ISONO Haruo , KURATA Koji , YAMADA Chihiko

    … We found that visual chromatic spatial and temporal frequency responses to ayellow-blue (dominant wavelength : 565-445 nm) stimulus were significantly reduced in comparison with those to a red-green (495 nm and its conjugate) stimulus. … The results suggest that weakened optical functions in the eye and in the power to send visual signals from the retina to the nervous system are likely causes of this deterioration of color -contrast sensitivity. …

    The Journal of The Institute of Image Information and Television Engineers 57(12), 1697-1702, 2003-12-01

    J-STAGE  References (21)

  • Clinical Evaluation of Intraoral Film  [in Japanese]

    島田 敏尚 , 大坊 元二 , 鈴木 陽典 , 熊澤 友子 , 寺田 秀雄 , 高橋 和裕 , シマダ トシナオ , ダイボウ モトジ , スズキ ヨウスケ , クマザワ トモコ , テラダ ヒデオ , タカハシ カズヒロ , Toshinao SHIMADA , Motoji DAIBOU , Yousuke SUZUKI , Tomoko KUMAZAWA , Hideo TERADA , Kazuhiro TAKAHASHI

    … The judging standard of the X-ray nlm reading confirmed because the contrast is a main factor. … The INSIGHT film was more acceptable that the photographic contrast was seen clearly on blue base background. …

    奥羽大学歯学誌 30(1), 41-45, 2003-03-31

    IR 

  • Clinical Evaluation of Intraoral Film  [in Japanese]

    SHIMADA Toshinao , DAIBOU Motoji , SUZUKI Yousuke , KUMAZAWA Tomoko , TERADA Hideo , TAKAHASHI Kazuhiro

    … The judging standard of the X-ray nlm reading confirmed because the contrast is a main factor. … The INSIGHT film was more acceptable that the photographic contrast was seen clearly on blue base background. …

    Ohu University dental journal 30(1), 41-45, 2003-03-31

    Ichushi Web 

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