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第6届辐射研究与辐射工艺学术年会

作者： Tsuneki Ichikawa Hitoshi koizumi Takahide Kimura Tohru Shimizu Division of Molecular Chemistry Graduate school of Engineering Hokkaido University Sapporo 060-8628 Japan

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CARBON DYNAMICS IN SEVERAL DIFFERENT AGED STANDS OF TAKAYAMA FORESTED WATERSHED BY ECOLOGICAL PROCESS-BASED APPROACH

CARBON DYNAMICS IN SEVERAL DIFFERENT AGED STANDS OF TAKAYAMA...

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第三世界生态高峰会

作者： M.Lee A.Nishiwaki H.koizumi Institute for Basin Ecosystem Studies Gifu University Gifu.Japan Institute for Basin Ecosystem Studies Gifu University Gifu.Japan Institute for Basin Ecosystem Studies Gifu University Gifu.Japan

The ecological process-based method provides a detailed assessment of belowground compartment as one of the major compartment of carbon *** method is determined by the balance between net primary production（NPP）of vegetation and heterotrophic respiration of soil. The carbon balance of forest ecosystems was estimated in Takayama forested watershed,Gifu,Japan since *** estimate the NPP,we applied a biometric method involving tree allometric analysis and litter traps for biomass ***,to estimate the annual soil carbon emission（SR）,we used a chamber system with automatic open and closing for measuring continuous soil CO efflux based on an open-flow method,a portable system tor measuring soil respiration （LI-6400）and a closed chamber method by soil air *** object is to evaluate（1）the ecosystem carbon balance in second-growth deciduous forests,plantations of Japanese cedar and a larch forest at the Takayarna watershed,（2）the relationships between ecosystem carbon pools and fluxes and（3）temporal changes in soil CO effluxes of the above forest *** overall goal of this study is to investigate carbon cycling on a regional scale using ecological process,remote sensing,and climatic observation and modelling analysis as a part of the COE program“Satellite Ecology”.The study region refers to a cool temperate zone,Asia monsoon *** study area was located in Takayama city,central Japan（Fig.1,36°08′N,137°22′E）.The annual mean of air temperature and precipitation for the sites were 7.2～11℃ and 1745-2079 mm,*** Q50,Q20 and Q7 stands composed mainly by Quercus are secondary deciduous forests of ca.50,20 and 7 year old,*** C50 and C7 sites composed by Japanese cedar（Crytomeria japonica）are 50 and 7 year old plantations.L50 stand composed by larch forest（Larix kaempferi）is 50 year *** of C50 stand was larger than other *** NPP of Q7 stand was *** were significant exponential relationship

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DESIGN OF ELECTRODES IN GEOMETRICAL CONTROL TYPE ELECTROLYZER FOR OXIDE ELECTROWINNING PROCESS

DESIGN OF ELECTRODES IN GEOMETRICAL CONTROL TYPE ELECTROLYZE...

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第十三届国际核工程大会

作者： Nobuo Okamura Kenji koizumi Tadahiro Washiya Shinnichi Aose Japan Nuclear Cycle Development Institute

As a part of the feasibility study on commercialized fast reactor cycle systems being progressed since July 1999 around Japan Nuclear Cycle Development Institute(JNC) in Japan,the conceptual design

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Clinical usefulness of endoscopic ultrasonography for the evaluation of ulcerative colitis-associated tumors

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World Journal of Gastroenterology 2015年第9期21卷 2693-2699页

作者： Kiyonori Kobayashi Kana Kawagishi Shouhei Ooka Kaoru Yokoyama Miwa Sada Wasaburo koizumi Research and Development Center for New Medical Frontiers Kitasato UniversitySchool of MedicineSagamiharaKanagawa 252-0380Japan Department of Gastroenterology Kitasato UniversitySchool of MedicineSagamihara 252-0380Japan

AIM:To evaluate the clinical usefulness of endoscopic ultrasonography(EUS) for the diagnosis of the invasion depth of ulcerative colitis-associated ***:The study group comprised 13 patients with 16 ulcerative colitis(UC)-associated tumors for which the depth of invasion was preoperatively estimated by *** lesions were then resected endoscopically or by surgical colectomy and were examined *** mean age of the subjects was 48.2 ± 17.1 years,and the mean duration of UC was 15.8 ± 8.3 *** lesions were treated by endoscopic resection and the other 14 lesions by surgical *** depth of invasion of UCassociated tumors was estimated by EUS using an ultrasonic probe and was evaluated on the basis of the deepest layer with narrowing or rupture of the colonic ***:The diagnosis of UC-associated tumors by EUS was carcinoma for 13 lesions and dysplasia for 3 *** invasion depth of the carcinomas was intramucosal for 8 lesions,submucosal for 2,the muscularis propria for 2,and subserosal for ***(69%) of the 16 lesions arose in the *** macroscopic appearance was the laterally spreading tumor-non-granular type for 4 lesions,sessile type for 4,laterally spreading tumor-granular type for 3,semipedunculated type(Isp) for 2,type 1 for 2,and type 3 for *** depth of invasion was correctly estimated by EUS for 15 lesions(94%) but was misdiagnosed as intramucosal for 1 carcinoma with high-grade submucosal *** 2 lesions treated by endoscopic resection were intramucosal carcinoma and dysplasia,and both were diagnosed as intramucosal lesions by ***:EUS provides a good estimation of the invasion depth of UC-associated tumors and may thus facilitate the selection of treatment.

关键词： Ulcerative colitis Colitis-associated tumor Diagno

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一氧化氮和硝酸甘油逆转α受体激活所引起的肺血管收缩

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医学信息 1996年第6期 31-32页

作者：Ｋｏｉｚｕｍｉ　Ｔ

一氧化氮和硝酸甘油逆转α受体激活所引起的肺血管收缩ＫｏｉｚｕｍｉＴ，ｅｔａｌ．ＡｍＪＰｈｙｓｉｏｌ，１９９６；３９（３）４８７５～４８８０作者先前研究发现，长期坚持运动的早期肺血管阻力降低，并且当运动开始后肺血管出现... 详细信息

一氧化氮和硝酸甘油逆转α受体激活所引起的肺血管收缩ＫｏｉｚｕｍｉＴ，ｅｔａｌ．ＡｍＪＰｈｙｓｉｏｌ，１９９６；３９（３）４８７５～４８８０作者先前研究发现，长期坚持运动的早期肺血管阻力降低，并且当运动开始后肺血管出现较小幅度的再次扩张。此一再次扩张由...

关键词：肺血管收缩硝酸甘油一氧化氮 α受体 α型肾上腺素能受体

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Recent advances in photodynamic diagnosis of gastriccancer using 5-aminolevulinic acid

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World Journal of Gastroenterology 2016年第3期22卷 1289-1296页

作者： Noriaki koizumi Yoshinori Harada Takeo Minamikawa Hideo Tanaka Eigo Otsuji Tetsuro Takamatsu Department of Pathology and Cell Regulation Graduate School of Medical ScienceKyoto Prefectural University of MedicineKyoto 6028566Japan Division of Digestive Surgery Department of SurgeryGraduate School of Medical ScienceKyoto Prefectural University of MedicineKyoto 6028566Japan Department of Surgery Nishijin HospitalKyoto 6028319Japan Department of Medical Photonics Graduate School of Medical ScienceKyoto Prefectural University of MedicineKyoto 6028566Japan

Photodynamic diagnosis based on 5-aminolevulinic acidinduced protoporphyrin IX has been clinically applied in many fields based upon its evidenced efficacy and adequate safety. In order to establish a personalized medicine approach for treating gastric cancer patients, rapid intraoperative detection of malignant lesions has become important. Feasibility of photodynamic diagnosis using 5-aminolevulinic acid for gastric cancer patients has been investigated, especially for the detection of peritoneal dissemination and lymph node metastasis. This method enables intraoperative realtime fluorescence detection of peritoneal dissemination, exhibiting higher sensitivity than white light observation without histopathological examination. The method also enables detection of metastatic foci within excised lymph nodes, exhibiting a diagnostic accuracy comparable to that of a current molecular diagnostics technique. Although several complicating issues still need to be resolved, such as the effect of tissue autofluorescence and the insufficient depth penetration of excitation light, this simple and rapid method has the potential to become a useful diagnostic tool for gastric cancer, as well as urinary bladder cancer and glioma.

关键词： Gastric cancer Photodynamic diagnosis 5-aminolevulinic acid Protoporphyrin IX Lymph nodemetastasis Personalized medicine Peritoneal dissemination

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NEPTUNIUM CO-RECOVERY WITH URANIUM AND PLUTONIUM IN NEXT PROCESS

NEPTUNIUM CO-RECOVERY WITH URANIUM AND PLUTONIUM IN NEXT PRO...

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International Solvent Extraction Conference 2005

作者： Yuichi SANO Masayoshi KAMIYA Atsuhiro SHIBATA Tsutomu koizumi Tomozo KOYAMA Japan Nuclear Cycle Development Institute Ibaraki Japan Japan Nuclear Cycle Development Institute Ibaraki Japan Japan Nuclear Cycle Development Institute Ibaraki Japan Japan Nuclear Cycle Development Institute Ibaraki Japan Japan Nuclear Cycle Development Institute Ibaraki Japan

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Restoration of visual function by ectopic expression of melanopsin in rd mice

Restoration of visual function by ectopic expression of mela...

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中国神经科学学会第九届全国学术会议暨第五次会员代表大会

作者： Amane koizumi Nobushige Tanaka Satchidananda Panda Richard H.Masland Harvard Medical School BostonMA 02114USA The Salk Institute for Biological Studies La JollaCA 92037

The principal photoreceptors for image forming vision in the retina are rod and cone *** of photoreceptor cells,as happens in a number of human diseases,such as retinitis pigmentosa and age-related macular degeneration,leads to irreversible ***,the current therapeutic treatment for retinal degeneration is very ***,we asked whether *** possible to restore any vision by ectopic expression of melanopsin,a newly discovered light-sensitive photopigment,in the surviving ganglion *** protein melanopin is normally expressed in 2%-3%of ganglion cell population of the mouse *** test this intriguing possibility,we used a viral vector to express mammalian melanopsin in other retinal ganglion cells of rd/rd mice,which suffer an early degeneration of rod photoreceptors and a subsequent degeneration of *** each retina melanopsin was expressed in up to 6000 retinal ganglion cells,of many morphological ***-cell patch-clamp recording showed intrinsic photoresponses in these cells,even after degeneration of the photoreceptors and additional pharmacological or Cd block of synaptic *** newly melanopsin-expressing ganglion cells provided an enhancement of visual function in the rd/rd mice:the pupillary light reflex returned almost to normal;the mice showed behavioral avoidance of light in an open field test;and they could discriminate a light stimulus from a dark one in a two-choice visual discrimination alley. These results show that an effective signalling pathway for melanopsin is not restricted to the retinal ganglion cells that normally contain melanopsin,or to any particular ganglion cell *** of this or other light-sensitive proteins in the surviving retinal neurons might provide some degree of vision for humans blind due to photoreceptor degeneration.

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TOPOGRAPHIC EFFECT ON EDDY-COVARIANCE FLUX MEASUREMENTS AND ENERGY BALANCE CLOSURE

TOPOGRAPHIC EFFECT ON EDDY-COVARIANCE FLUX MEASUREMENTS AND ...

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第三世界生态高峰会

作者： T.M.Saitoh I.Tamagawa H.koizumi River Basin Research Center.Gifu University Japan River Basin Research Center.Gifu University Japan River Basin Research Center.Gifu University Japan

Measuring carbon,water and heat tluxes over different surtaces and under various climate conditions is indispensable for the discussion of global *** the measurement of fluxes employing the eddy covariance method is widely used,the measurement sites should be carefully selected for plain terrains with a homogeneous surface and large *** is,however,important to measure the fluxes over non-deal surface ***,we report on carbon,water and heat fluxes by eddy covariance method over the complex terrain on non-flat topographical ***,we discuss the effect of angle of attack error correction on the eddy fluxes of sensible,latent and carbon dioxide,and the energy balance closure on the steep slope *** study was carried out in a plantation evergreen coniferous forest (36°08′N,137°22′E),some 10km east of Takayama City,*** experimental site is situated at mid-slope position in *** mean local slope of the site is about 21° to *** 30m tower was constructed at the center of experimental *** site is snow-covered from the first of December to the end of March,and maximum snow depth is about 0.5m in *** the tower site,the microlneteorological and soil environmental measurements,and flux measurements,were started in March,2005 arid in July,2005, *** the energy balance closure is expected to be improved, we adapt the correction of net radiation and angle of attack *** estimate the streamline plane,we adapt planar fit method using 30 minutes average 3D wind *** mean streamline plane which is determined from an ensemble of observation made over a month,has no seasonality,and parallel to the ground surface *** adapt the correction of net radiation using this slope angle of streamline plane. The energy balance closure rate was improved by this correction by 4-8 % compared with *** correction of angle of attack error also improved the energy balance *** increment of ene

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Administration of Tomato Juice or Aqueous Components of Tomato Reduces Fatigue Induced by Acute Treadmill Exercise

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Food and Nutrition Sciences 2016年第7期7卷 524-532页

作者： Kei Mukuta Kazuyoshi koizumi Eisuke F. Sato Keiichi Hiramoto Masao Hiwatari Satoshi Sunabori Hiroyuki Suganuma Innovation Division KAGOME. Co. Ltd. Tochigi Japan Department of Biochemistry and Molecular Pathology Osaka City University Medical School Osaka Japan Faculty of Pharmacological Science Suzuka University of Medical Science Mie Japan Research Center of Clinical Medicine International University of Health and Welfare Tochigi Japan

Physical exercise is a good means of enhancing and maintaining health. However, many people struggle to make exercise be a habit, in part because of the associated fatigue. The present study investigated the effects of tomato juice on fatigue induced by exercise in humans and mice. A study of 10 healthy men and women indicated that drinking tomato juice suppressed post-exercise increases in rated perceived exertion, a subjective fatigue indicator. In mice, a single administration of tomato juice significantly attenuated exercise-induced fatigue, as measured by locomotor activity and blood transforming growth factor β and corticosterone levels. The active substances in tomatoes, which were among the aqueous components as of tomato juice supernatant, showed the same anti-fatigue effects as whole tomato juice. Moreover, these effects were mimicked by water supplemented with the aqueous components (i.e., sugars, organic acids, and amino acids) and were likely exerted by two or more of these components. Our results suggest that consuming tomato juice prior to or during an exercise session can reduce post-exercise fatigue, which could encourage more individuals to incorporate a regular exercise regimen into their daily routine.

关键词： Tomato Exercise Fatigue

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