Laboratory News

PhD student (JSPS research fellow), Ryosuke Kikuchi came back to the lab from one month stay in Polish Academy of Sciences.

Alexey N. TSELEBROVSKIY finished STEPS program in our lab and returned to his own country, Russia.

Alexey N. TSELEBROVSKIY, an international PhD student from Physics of the Earth Division, Faculty of Physics, Lomonosov Moscow State University, has joined the lab for three months as part of STEPS program (Students and Researchers Exchange Program in Sciences).

Moscow State Univ (Pic from Wikipedia)

PhD student (JSPS research fellow), Ryosuke Kikuchi received Best Student Paper Award of Japan Association of Mineralogical Sciences.
Title: Cs-sorption in weathered biotite from Fukushima granitic soil
Authors: Ryosuke KIKUCHI, Hiroki MUKAI, Chisaki KURAMATA and Toshihiro KOGURE
JMPS, 110-3, 126-134., 2015
The award ceremony was held at the 2017 Annual Meeting of JAMS on September 12.

PhD student, Ryosuke Kikuchi received Best Presentation Award of Japan Association of Mineralogical Sciences.
The awarded presentation;
Ryosuke KIKUCHI (presenter), Hiroki Mukai, Toshihiro KOGURE
Title: 加水黒雲母の層間内におけるセシウムの拡散速度の定量

Our boss is set to take up a Professor positon of Science at the University of Tokyo.
He received Phalaenopsis orchids from alumni and alumnae.

Graduate students have finished their courses.
Ph.D.: Dr Sayako Inoue
M.Sc.: Mr Ryosuke Kikuchi
M.Sc.: Mr Masahiro Yoshimura

The list of their topics are listed here.

We announced (Japanese only) that weathered biotite sorbed Cs far more than the other clay minerals.

Published Article
Title: Cesium adsorption/desorption behavior of clay minerals considering actual contamination conditions in Fukushima
Authors: Hiroki Mukai, Atsushi Hirose, Satoko Motai, Ryosuke Kikuchi, Keitaro Tanoi, Tomoko M. Nakanishi, Tsuyoshi Yaita and Toshihiro Kogure
Scientific Reports, DOI: 10.1038/srep21543
PDF version

We announced (Japanese only) about cesium-bearing radioactive microparticles from Fukushima nuclear power plant.

Published Article
Title: Internal structure of cesium-bearing radioactive microparticles released from Fukushima nuclear power plant
Authors: Noriko Yamaguchi, Masanori Mitome, Kotone Akiyama-Hasegawa, Maki Asano, Kouji Adachi and Toshihiro Kogure
Scientific Reports, DOI: 10.1038/srep20548
PDF version

3rd year PhD student, Sayako Inoue; (JSPS research fellow) has been awarded for a prize of "Euroclay 2015 Best Student Oral Presentation".

We posted some pictures of Field Trip to Fukushima on our Member page.

A graduate student, Chisaki Kuramata has finished her master's course and acquired the degree.

The research of Sayako Inoue is highlighted on the Clay Mineral Society News in Elements and CMS e-News.
You can find the News here.

Elements CMS news (excerpt)
CMS December e-News

We issued a press release announcing that radioactive cesium in Fukushima's contaminated soil was sorbed in the weathered biotite.

School of Science, The University of Tokyo Press Releases (Japanese only)
NHK WORLD News (English page) et al.

Published Article
Title: Speciation of radioactive soil particles in the Fukushima contaminated area by IP autoradiography and microanalyses
Authors: MUKAI, Hiroki; HATTA, Tamao; KITAZAWA, Hideaki: YAMADA, Hirohisa: YAITA, Tsuyoshi; KOGURE, Toshihiro
Environmental Science & Technology, DOI: 10.1021/es502849e
PDF version

Helmut Pristacz, an international PhD student from Faculty of Geosciences, Geography and Astronomy, University of Vienna, has joined our Lab for five months program.
Please check also Members page.

Our graduate student Taiga Okumura has earned a doctoral degree in science.

Thesis Title:
Study on structure control of biogenic calcite by intracrystalline organic molecules

Ms. Inoue received 2013 Student Oral Presentation Award (2nd Place) at the Annual Meeting of The Clay Minerals Society.

The awarded presentation:
Structures of chlorite/serpentine minerals in Toyoha geothermal system, southwestern Hokkaido, Japan
50th Anniversary Meeting of the Clay Minerals Society

This news was posted on a web page of Dept. of Earth and Planetary Science, Univ of Tokyo.

Prof. Kogure is co-author of the book recently released Handbook of Clay Science, 2nd Edition.
Handbook of Clay Science, Volume 5, Second Edition (Developments in Clay Science)
Editor(s) : Bergaya & Lagaly
Imprint: Elsevier
ISBN: 978-0080993645
USD 225.00

Prof. Kogure has been elected as a Fellow of the Council of the Mineralogical Society of America (MSA).
MSA is the international body with regard to the science of mineralogy. He was credited with outstanding contributions to the fields of mineralogy, crystallography, geochemistry, and petrology.

Dr Kameda, Project Research Associate, took up a lecturer position at Department of Natural History Sciences, Graduate School of Science, Hokkaido University. A photo of send-off party has been posted at Member Page.


Naoki Yokoo, who has completed his doctorate program, was granted a doctoral degree in science.


Graduate students of Kogure laboratory have finished their master's course and acquired the degree.

Sayako Inoue (center) and Hyejin Kim (right)

Ms. Inoue received Academic promotion fund award of Asian Clay 2012 from Clay Science Society of Japan and Award for The Best Poster of 2nd Asian Clay.

The awarded poster;
Sayako Inoue, Toshihiro Kogure,
Stacking disorder in chlorites from Toyoha geothermal system, Hokkaido, Japan

The 2nd Asian Clay Conference