Challenge of purification of Cs-contaminated soils based on knowledge of microbe-mineral interaction

福岛县地表环境放射性铯污染严重。了解c如何在环境中再循环是很重要的。在这一过程中，微生物与矿物的相互作用将发挥重要作用。通过对含有微生物-矿物质相互作用的多种成分的检测，阐明了细菌在体内强烈地积累Cs。此外，还通过实验研究了铯在无机矿物和有机物质中的富集和溶解。用透射电镜直接观察了Cs在细菌中的积累。澄清了两种积累类型。在其他实验结果的基础上，根据提出的模型图讨论了未来环境中Cs的再循环。

Contamination of radioactive Cs for surface environment is serious in Fukushima Prefecture.It is important to know how the Cs will recirculate in the environment. In the processes, microbe-mineral interaction will play a significant role. Examining many constituent materials containing microbe-mineral interaction, it was clarified that bacteria strongly accumulate Cs in bacterial body. Accumulation and dissolution of Cs in caly minerals and organic materials were also experimentally examined. The accumulation of Cs in the bacteria was directed observed by TEM. Accumulation of two types was clarified. Based on other experimental results, future re-circulation of Cs in the environment was discussed based on a proposed model figure.