Atsushi Urai

J-GLOBAL         Last updated: Sep 24, 2019 at 11:56
Atsushi Urai

Research Areas



Apr 2018
Shinshu University
Apr 2012
Mar 2014
Graduate School of Science and Technology, Shinshu University
Apr 2008
Mar 2012
Department of Environmental Sciences, Faculty of Science, Shinshu University

Awards & Honors

Sep 2019
Student Excellence Award, The geochemical society of Japan
Jul 2019
Outstanding student presentation award, Japan Geoscience Union
Winner: Atsushi URAI

Published Papers

Algal-derived 24-ethylcholesta-5,22-dien-3β-ol (stigmasterol) is frequently found in high-molecular-weight dissolved organic matter (HMW-DOM) during summer in freshwater and brackish lakes
Urai, A., Takahashi, K., Chikaraishi, Y. and Fukushima, K.
geochemical journal   52 15-20   Jun 2018   [Refereed]


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Atsushi Urai
News letter of The Japanese Association of organic geochemistry   68 8-11   Jul 2018   [Invited]

Conference Activities & Talks

Biogeochemical and molecular approaches for methane cycle of surface and deep sub-surface origins on an active fault lake
Urai, A., Takano, Y., Matsushita, M., Imachi, H., Matsui, Y., Miyairi, Y., Iwata, H., Park, H. D., Yokoyama,Y. and Ohkouchi, N.
The geochemical society of Japan   Sep 2019   
Deep methanogenesis and iodine-rich aquifer: Insight from organic geochemical approach
Urai, A., Takano, Y., Imachi, H., Ishii, S., Matsui, Y., Ogawara, M., Miyairi, Y., Ogawa, N. O., Yoshimura, T., Inagaki, F., Yokoyama, Y., Park, H. D., Murai, D., Kawano, K. and Ohkouchi, N.
29th International Meeting on Organic Geochemistry (IMOG)   Sep 2019   
Search for microbial CH4 production processes in lake sediments and surface water associated with cyanobacterial bloom
Matsushita, M., Takano, Y., Imachi, H., Urai, A., Park, H.D., Iwata, H. and Ohkouchi, N
Japan Geoscience Unit   May 2019   
Dynamisms and characteristics of dissolved organic matter (DOM) in deep aquifer: A scope for deep biosphere
Urai, A. Takano, Y. and Ohkouchi, N
Japan Geoscience Union   May 2019   
Deep methanogenesis and iodine aquifer: an organic geochemical approach
A. Urai, Y. Takano, S. Ishii, H. Imachi, Y. Matsui, Y. Miyairi, N.O. Ogawa, T. Yoshimura, F. Inagaki, Y. Yokoyama, D. Murai, K. Kawano and N. Ohkouchi
Sep 2018