Lutetium speciation and toxicity in a microbial bioassay: testing the free-ion model for lanthanides

L. Weltje; L.R.C.W. Verhoof; W. Verweij; T. Hamers

doi:10.1021/es049916m

Lutetium speciation and toxicity in a microbial bioassay: testing the free-ion model for lanthanides

L. Weltje, L.R.C.W. Verhoof, W. Verweij, T. Hamers

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Abstract

The validity of the free-ion model (FIM) for the element lutetium (Lu), a member of the lanthanides, was assessed in experiments with the bacterium Vibrio fischeri. The FIM is mainly based on divalent metals and synthetic ligands and has not yet been validated for the trivalent lanthanides. The bioluminescence response of V. fischeri was studied at different Lu concentrations in the presence and absence of natural and synthetic organic ligands [citrate, malate, oxalate, acetate, ethylenediaminetetraacetate (EDTA), and nitrilotriacetate (NTA)]. All ligands were tested separately to ensure that their concentrations would not cause adverse effects themselves. Free Lu

Original language	English
Pages (from-to)	6597-6604
Number of pages	8
Journal	Environmental Science and Technology
Volume	38
DOIs	https://doi.org/10.1021/es049916m
Publication status	Published - 2004

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AU - Weltje, L.

AU - Verhoof, L.R.C.W.

AU - Verweij, W.

AU - Hamers, T.

PY - 2004

Y1 - 2004

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AB - The validity of the free-ion model (FIM) for the element lutetium (Lu), a member of the lanthanides, was assessed in experiments with the bacterium Vibrio fischeri. The FIM is mainly based on divalent metals and synthetic ligands and has not yet been validated for the trivalent lanthanides. The bioluminescence response of V. fischeri was studied at different Lu concentrations in the presence and absence of natural and synthetic organic ligands [citrate, malate, oxalate, acetate, ethylenediaminetetraacetate (EDTA), and nitrilotriacetate (NTA)]. All ligands were tested separately to ensure that their concentrations would not cause adverse effects themselves. Free Lu

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EP - 6604

JO - Environmental Science and Technology

JF - Environmental Science and Technology

ER -

Lutetium speciation and toxicity in a microbial bioassay: testing the free-ion model for lanthanides

Abstract

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