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Watanabe, Masayuki; Arisaka, Makoto; Kimura, Takaumi
no journal, ,
We have found that actinides can be adsorbed to synthetic and natural diamonds, with regardless those sizes, in the acidic nitric solution, which we have discovered more recently. The adsorption behavior of various valence of An were investigated and discussed by using carbon materials as well as diamonds.
-elements on microbial cell surfaceOnuki, Toshihiko; Jiang, M.*; Utsunomiya, Satoshi*; Kozai, Naofumi; Kato, Kenji*
no journal, ,
Biogenic nano-particles were formed on the cells surface of microorganisms. SEM and TEM analyses showed that REE-phosphate nano-particles less than 100 nm in diameter were developed directly from the cells surface, even though no P ion was added in the solution. In contrast, REE-phosphate precipitates more than 0.001 mm was formed in the solution without microorganisms. Thus, the adsorbed REE was reacted with the released P from inside cells, resulting nano particles formation on the cells surface.