Effect of REE nano-particles on microbial metabolism and oxidation of Ce(III) by MnO $_{2}$

Onuki, Toshihiko; Masaki, Shota*; Utsunomiya, Satoshi*; Tanaka, Kazuya* ; Yu, Q.; Kozai, Naofumi ; Sakamoto, Fuminori ; Saito, Takumi

Some low-molecular-mass organic species released from the yeast after exposure to CeNPs. Although the CeNPs did not cause cytotoxicity, the organic species enhaced solubility of Ce nano particles. Formation of Ce nano-particles on the cell surface suppressed the oxidation of trivalent Ce to tetravalent Ce by Mn oxides.

Language	:	English
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Meeting title	:	23rd ASRC International Workshop on Specific Behavior of Anthropogenic Radionuclides at Solid Solution Interface: Implication for Migration and Remediation (REIMEI 2015)
Held date	:	2015/01
Location (city)	:	Nantes
Location (country)	:	France
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Keywords	:	Ce; ナノ粒子; 酸化
Research Facility	:	第4研究棟
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Registration No. : BB20142920
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