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Investigations by time-resolved laser-induced fluorescence and capillary electrophoresis of the uranyl-phosphate species: application to blood serum

Scapolan, S.; Ansoborlo, E. ; Moulin, C.; Madic, C. Journal of Alloys and Compounds (12 Jun 1998) v. 271-273 p. 106-111

Document type > *Article de revue

Keywords > internal dosimetry, uranium

Research Unit > LEMDI_(Internal dose assessment and modeling laboratory)

Authors >

Publication Date > 12/06/1998

Summary

An understanding of the speciation of uranium(VI) (uranyl ion, UO22+) in blood medium is very important for investigations of internal contamination. Studies have been performed on the speciation of uranium(VI) in the presence of phosphate and blood serum using time-resolved laser-induced fluorescence (TRLIF) and capillary electrophoresis (CE). By TRLIF it is possible to identify spectrally and temporally, by comparison with distribution curves calculated using data from the OECD database, UO2H2PO4+, UO2HPO4 and UO2PO4- species. Results concerning the study of the uranium(VI)-blood plasma system are presented. CE has demonstrated that it is possible to separate human gamma-, beta-, alpha2-, and alpha1-globulins and albumin in the presence of uranium(VI).
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