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Hiroki Yasuhara

Hiroshima University

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Publication

Featured researches published by Hiroki Yasuhara.

Radiation Protection Dosimetry | 2015

Environmental radioactivity of water samples collected in Higashi-Hiroshima campus, Hiroshima University, Japan

Satoru Nakashima; A. Sasai; Kazuki Koga; Hiroki Yasuhara; Akihito Matsushima; Kuninobu Inada

The relation between concentration of elements and microbial activity in the water samples of Higashi-Hiroshima Campus, Hiroshima University was investigated. Energy dispersive X-ray spectroscopy revealed that microbial mat contains iron, aluminium, silicon and phosphorus. Model experiment revealed that the potassium was adsorbed by living microorganism in the microbial mats, while it was not adsorbed by dead microbial mat. Iron was adsorbed by both living and dead microbial mats. The present results explain the increase in the total β-radioactivity of water sample in summer and the decrease in winter.

Journal of Organometallic Chemistry | 2015

Synthesis and oxidation study of the simplest binuclear metallocene compound of osmium, biosmocene

Hiroki Yasuhara; Kazuki Koga; Satoru Nakashima

Journal of Organometallic Chemistry | 2015

Halogen effect on mixed-valence state of biosmocenium(II, IV) salts

Hiroki Yasuhara; Satoru Nakashima

Radioisotopes | 2017

Effect of Methyl Substituent on the Spin State of Iron(II) Assembled Complex Using 1,4-Bis(4-pyridyl)benzene

Keisuke Yoshinami; Masashi Kaneko; Hiroki Yasuhara; Satoru Nakashima

Journal of Radioanalytical and Nuclear Chemistry | 2015

Crystal structure and spin state of mixed-crystals of iron with NCS and NCBH3 for the assembled complexes bridged by 1,3-bis(4-pyridyl)propanes

Haruka Dote; Hiroki Yasuhara; Satoru Nakashima

Bulletin of the Chemical Society of Japan | 2013

Reaction of Binuclear Ruthenium–Fulvalene Intermediates Intramolecularly Bridged by Alkyl Disulfides

Hiroki Yasuhara; Kazuki Koga; Satoru Nakashima

Hyperfine Interactions | 2017

Estimation of ΔR/R values by benchmark study of the Mössbauer Isomer shifts for Ru, Os complexes using relativistic DFT calculations

Masashi Kaneko; Hiroki Yasuhara; Sunao Miyashita; Satoru Nakashima

Chemistry Letters | 2016

Oxidative C–C Bond Cleavage Reaction of Biosmocene

Hiroki Yasuhara; Ryo Naguwa; Satoru Nakashima

Chemistry Journal of Moldova | 2016

The Formation Mechanism of Assembled Complexes Bridged by 1,3–Bis(4–Pyridyl)Propane

Haruka Dote; Hiroki Yasuhara; Satoru Nakashima

Bulletin of the Chemical Society of Japan | 2016

Inter-Metallocene Cross-Coupling Reaction and Oxidation Study on Hetero Nuclear Bimetallocene Compounds including Fe, Ru and Os

Hiroki Yasuhara; Satoru Nakashima

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Collaboration

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Satoru Nakashima

Hiroshima University

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Kazuki Koga

Hiroshima University

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Masashi Kaneko

Japan Atomic Energy Agency

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Haruka Dote

Hiroshima University

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A. Sasai

Hiroshima University

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Akihito Matsushima

Hiroshima University

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Keisuke Yoshinami

Hiroshima University

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Kuninobu Inada

Hiroshima University

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Sunao Miyashita

Hiroshima University

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