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Cadmium availability to the cyanobacterium Synechocystis aquatilis in solutions containing chloride
Authors:Skowroński T  Szubińska S  Jakubowski M  Pawlik B
Affiliation:Polish Academy of Sciences, Institute of Ecology, Sl?awińskiego 18/3, 20-080 Lublin, Poland.
Abstract:Availability of cadmium to Synechocystis aquatilis (estimated by 109Cd sorption and cadmium toxicity-14C method) in solutions containing cadmium and complexing (KCl) or non-complexing (KNO3) salts, in the range of 0-0.5 m was investigated. Both cadmium surface adsorption and transport into the cells were lower in solutions containing cadmium chloride complexes (CdCl+, CdCl2, CdCl3-) than in those containing cadmium in the form of Cd2+. Also, cadmium toxicity in solutions of higher KCl concentrations, in which CdCl+ and CdCl2 forms predominated, was significantly limited.
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