Search Results 1-20 of 2229

  • <i>In vitro</i> growth of bovine oocytes in oocyte-cumulus cell complexes and the effect of follicle stimulating hormone on the growth of oocytes

    FUSHII Mihoko , YAMADA Rie , MIYANO Takashi

    … culture experiments have used oocyte-cumulus cell-mural granulosa cell complexes (OCGCs) from early antral follicles (0.5–0.7 mm) for the growth of bovine oocytes. … embryo production, oocyte-cumulus cell complexes (OCCs) that have no mural granulosa cells have been widely used instead of OCGCs. … The purpose of this study was to determine whether cumulus cells alone support oocyte growth. …

    Journal of Reproduction and Development 67(1), 5-13, 2021

    J-STAGE 

  • Photoperiod-dependent reproductive plasticity of the brine shrimp Artemia franciscana.

    Toyota Kenji , Minatoya Saki , Ohira Tsuyoshi

    … Photoperiod is a robust seasonal stimulus for phenotypic plasticity in the regulation of reproduction and development. … Artemia brine shrimps have a unique reproductive mechanism to alter their reproductive mode between ovoviviparity, with the release of free-swimming nauplii, and oviparity, with the production of diapause cysts, in response to differences in photoperiod. …

    Aquatic Animals AA2021(0), AA2021-3, 2021

    J-STAGE 

  • COVID-19 Outbreak Forecasting and Effects of Self-Restraint Against Excursions in Tokyo, Japan, as of the End of March, 2020, Before the Emergency Declaration on April 7, 2020

    Sugishita Yoshiyuki , Kurita Junko , Sugawara Tamie , Ohkusa Yasushi

    … This study was aimed to predict the effects of self-restraint against excursions in Tokyo before the emergency declaration of April 7, 2020. … Data of symptomatic patients collected between January 14 and March 28, 2020, in Tokyo, were used to formulate a susceptible–infected–recovered (SIR) model using three age classes and estimate the basic reproduction number (R<sub>0</sub>). …

    Journal of Disaster Research 16(1), 6-11, 2021

    J-STAGE 

  • Reproduction of Sediment Transport and Channel Variation in Alluvial Rivers by Wind Tunnel Experiments  [in Japanese]

    NAKAI Masanori

    … A similarity law between water channel experiments and wind tunnel experiments was newly proposed using the Reynolds and Shields numbers for laboratory studies concerning the mechanisms of sediment transport and channel variation in alluvial rivers. … Effectiveness of the similarity law was verified through the comparison of the laboratory data. …

    Journal of the Japanese Society for Experimental Mechanics 20(4), 248-253, 2021

    J-STAGE 

  • Bilateral Control by Transmitting Force Information with Application to Time-delay Systems and Human Motion Reproduction

    Nagatsu Yuki , Hashimoto Hideki

    … <p>The decreasing number of workers and the loss of techniques of skilled workers, associated with an aging society, which can be attributed to the falling birth rate, are serious issues. … This study proposes a bilateral control system that only transmits the force information and presents applications to scaled bilateral control, time-delay systems, and human motion preservation and reproduction. …

    IEEJ Journal of Industry Applications, 2021

    J-STAGE 

  • Reproduction of Sediment Transport and Channel Variation in Alluvial Rivers by Wind Tunnel Experiments  [in Japanese]

    中井 正則

    実験力学 : Journal of JSEM : Journal of the Japan Society for Experimental Mechanics 20(4), 248-253, 2020-12

  • Study on Changes in the Reach Scale Channel Geomorphology by a Large Flood Event and Ecological Function of Instream Springs  [in Japanese]

    山﨑 弘美 , 竹門 康弘 , 高橋 真司 , 兵藤 誠 , 鳥居 高明 , 角 哲也

    … Instream springs have attracted attentions as a measure for restoration of ecological function in the lower reaches of the Tenryu River, where riverbed environment has been deteriorated by reduction of sediment dynamism and prolonged turbidity derived from the series of dams constructed upper stream. …

    京都大学防災研究所年報. B = Disaster Prevention Research Institute Annuals. B 63(B), 384-412, 2020-12

    IR 

  • Non‑compulsory measures sufficiently reduced human mobility in Tokyo during the COVID‑19 epidemic

    Yabe Takahiro , Tsubouchi Kota , Fujiwara Naoya , Wada Takayuki , Sekimoto Yoshihide , Ukkusuri Satish V.

    研究グループは、携帯電話の位置情報を用いて東京におけるコロナ禍の外出自粛や緊急事態宣言の効果を検証しました。本手法は、携帯電話の位置情報(GPS情報)から取得される大量の移動軌跡を解析することで、都市において人々がいつ、どこで、どの程度接触しているかを定量化できるものです。解析の結果、緊急事態宣言が発令される前の3月初週時点で人々の自宅外での接触率は平時の6割程度に減少し、緊急事態宣言を発令したこ …

    SCIENTIFIC REPORTS (10), 18053, 2020-10-22

    IR 

  • Characteristics of COVID-19 epidemic and control measures to curb transmission in Malaysia

    Ng Chris Fook Sheng , Seposo Xerxes T. , Moi Meng Ling , Tajudin Muhammad Abdul Basit Ahmad , Madaniyazi Lina , Sahani Mazrura

    … The first wave of COVID-19 epidemic began in late January in Malaysia and ended with a very small size. … The second wave of infections broke out in late February and grew rapidly in the first 3 weeks. … Authorities in the country responded quickly with a series of control strategies collectively known as the Movement Control Order (MCO) with different levels of intensity matching the progression of the epidemic. …

    International Journal of Infectious Diseases (101), 409-411, 2020-10-17

    IR 

  • Large-scale discovery of male reproductive tract-specific genes through analysis of RNA-seq datasets

    Robertson Matthew J. , Kent Katarzyna , Tharp Nathan , Nozawa Kaori , Dean Laura , Mathew Michelle , Grimm Sandra L. , Yu Zhifeng , Légaré Christine , Fujihara Yoshitaka , Ikawa Masahito , Sullivan Robert , Coarfa Cristian , Matzuk Martin M. , Garcia Thomas X.

    … Large-scale discovery of male reproductive tract-specific genes through analysis of RNA-seq datasets. … https://doi.org/10.1186/s12915-020-00826-zBackground: The development of a safe, effective, reversible, non-hormonal contraceptive method for men has been an ongoing effort for the past few decades. …

    BMC Biology 18(1), 103, 2020-08-19

    IR 

  • Possible effects of mixed prevention strategy for COVID-19 epidemic: massive testing, quarantine and social distancing

    Kuniya Toshikazu , Inaba Hisashi

    … One of the most typical interventions is the social distancing such as lockdown that would contribute to reduce the number of contacts among undiagnosed individuals. … However, prolongation of the period of such a restrictive intervention could hugely affect the social and economic systems, and the outbreak will come back if the strong social distancing policy will end earlier due to the economic damage. …

    AIMS Public Health 7(3), 490-503, 2020-07-06

    IR 

  • The basic reproduction number $R_0$ in time-heterogeneous environments (Theory of Biomathematics and Its Applications XV -Next Generation of Mathematical Sciences-)

    Inaba Hisashi

    数理解析研究所講究録 = RIMS Kokyuroku (2165), 19-31, 2020-07

    IR 

  • Parameter estimation and prediction for coronavirus disease outbreak 2019 (COVID-19) in Algeria

    Bentout Soufiane , Chekroun Abdennasser , Kuniya Toshikazu

    … Background: The wave of the coronavirus disease outbreak in 2019 (COVID-19) has spread all over the world. … In Algeria, the first case of COVID-19 was reported on 25 February, 2020, and the number of confirmed cases of it has increased day after day. …

    AIMS Public Health 7(2), 306-318, 2020-05-22

    IR 

  • Nitric oxide inhalation as an interventional rescue therapy for COVID-19-induced acute respiratory distress syndrome

    小林 順 , 村田 勇

    … COVID-19 is an emerging disease of public health concern. … While there is no specific recommended treatment for COVID-19, nitric oxide has the potential to be of therapeutic value for managing acute respiratory distress syndrome in patients with COVID-19. …

    Annals of Intensive Care 10(1), 1-2, 2020-05

    IR 

  • Changes in testing rates could mask the novel coronavirus disease (COVID-19) growth rate

    Omori Ryosuke , Mizumoto Kenji , Chowell Gerardo

    新型コロナウイルス報告数は流行を反映しない可能性を示唆 --検査陽性報告数のみを用いた流行解析には注意が必要--. 京都大学プレスリリース. 2020-05-01.

    International Journal of Infectious Diseases (94), 116-118, 2020-05

    IR 

  • Galectin-2 Has Bactericidal Effects against Helicobacter pylori in a β-galactoside-Dependent Manner

    佐々木 啓晴 , 斉藤 麗 , 大山 翠 , 武内 智春 , 田中 享 , 夏目 秀視 , 田村 真由美 , 荒田 洋一郎 , 畑中 朋美

    … Helicobacter pylori is associated with the onset of gastritis, peptic ulcers, and gastric cancer. … Galectins are a family of β-galactoside-binding proteins involved in diverse biological phenomena. … Galectin-2 (Gal-2), a member of the galectin family, is predominantly expressed in the gastrointestinal tract. … Although some galectin family proteins are involved in immunoreaction, the role of Gal-2 against H. …

    International Journal of Molecular Sciences 21(8), 1-12, 2020-04

    IR 

  • BASIC DYNAMICS OF RESERVOIR COMPUTING SYSTEMS  [in Japanese]

    坂本 直樹

    … This paper studies basic function of a simple reservoir computing system ([1], [2]). … The inner connection parameters are fixed and the output connection parameters are subject of learning. … The system operation consists of two modes: leaning mode and reproduction mode. … In order to reduce the approximation error, a simple version of the differential evolution (SDE) is used ([3], [4]). …

    法政大学大学院紀要. 理工学・工学研究科編 (61), 1-3, 2020-03-24

    IR  DOI 

  • Prediction of the Epidemic Peak of Coronavirus Disease in Japan, 2020

    Kuniya Toshikazu

    … The first case of coronavirus disease 2019 (COVID-19) in Japan was reported on 15 January 2020 and the number of reported cases has increased day by day. … The purpose of this study is to give a prediction of the epidemic peak for COVID-19 in Japan by using the real-time data from 15 January to 29 February 2020. …

    Journal of Clinical Medicine 9(3), 789, 2020-03

    IR 

  • Nutritional Risk Assessment at a Municipal Hospital Using Nutritional Tools: A Retrospective Study

    荒木 淳一 , 井上 裕 , 本多 里菜 , 森田 詩穂 , 土屋 宗周 , 上野 拓 , 金本 郁男

    … We compared the results of these nutritional evaluation tools and compared the parameters evaluated. … Results: The mSGA, MUST, and MNA®-SF tools indicated that 15.1%, 31.4%, and 24.2% of patients were malnourished, respectively. … Compared with the mSGA, the MUST and the MNA®-SF evaluated the presence of malnutrition more frequently. …

    Journal of Drug Research and Development 6(1), 1-8, 2020-01

    IR 

  • Analysis of a reaction-diffusion cholera epidemic model in a spatially heterogeneous environment

    Wang Jinliang , Xie Fanglin , Kuniya Toshikazu

    Communications in Nonlinear Science and Numerical Simulation (80), 104951, 2020-01

    IR 

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