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Ozaki, Takuo; Suzuki, Yoshinori*; Nankawa, Takuya; Yoshida, Takahiro; Onuki, Toshihiko; Kimura, Takaumi; Francis, A. J.*
Journal of Alloys and Compounds, 408-412, p.1334 - 1338, 2006/02
Times Cited Count：47 Percentile：87.16(Chemistry, Physical)We investigated the interactions of Eu(III) with the common soil bacterium Pseudomonas fluorescens and organic ligands, such as malic acid, citric acid, and a siderophore (DFO). Malic acid formed complexes with Eu(III), but degradation of malic acid was observed when the ratio of malic acid to Eu(III) was high. Citric acid formed a stoichiometric complex with Eu(III) that was not degraded by P. fluorescens. Adsorption of Eu(III) from the DFO complex occurred as a free ion dissociated from DFO and not as the Eu(III)-DFO complex. Time-resolved laser-induced fluorescence spectroscopy analysis showed that adsorption of Eu(III) on P. fluorescens was through a multidentate and predominantly inner-spherical coordination.
Nakai, Hisaaki*; Seko, Noriaki; Tamada, Masao; Temma, Tsuyoshi*; Oguma, Masaomi*
Nihon Ion Kokan Gakkai-Shi, 15(1), p.10 - 15, 2004/01
Removal of cadmium from the boiled mid-gut gland of the scallop was investigated to utilize the waste of scallop processing for the fertilizer and the livestock feed. Twelve kinds of acid solutions (0.1M) were evaluated on the point of the cadmium elution, toxicity, and price. The selected malic acid could wash out cadmium less than 0.5ppm in the boiled mid-gut gland by optimizing the acid concentration and the repitaion of rinse. It was confirmed that the concentration of the eluted cadmium was reduced to 0.1ppm and less than by the iminodiacetic acid adsorbent synthesized with radiation-induced graftpolymerization.
Shimizu, Yuichi; Sugimoto, Shunichi*; Nishii, Masanobu; Suzuki, Nobutake
Chem. Express, 7(8), p.633 - 636, 1992/00
no abstracts in English
