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Pb2+uptake byLampito mauritiiby in vivo bioelectrochemistry

Authors
Journal
Bioelectrochemistry and Bioenergetics
0302-4598
Publisher
Elsevier
Publication Date
Volume
27
Issue
2
Identifiers
DOI: 10.1016/0302-4598(92)87034-r
Disciplines
  • Chemistry

Abstract

Abstract In vivo bioelectrochemistry has been carried out for Lampito mauritii using a carbon fibre electrode (8–12 μm in diameter and 0.5 mm long) and differential pulse voltammetry (DPV) to identify and estimate the concentration of metal ions. The DPV of the post-clitellar region shows a well-defined peak at −0.38 V/SCE which is attributed to Pb 2+. This identification received further support by injecting Pb 2+ into the first segment of the dissected worm, which increases the peak at −0.38 V. The absorption rate of Pb 2+ by the segmented worm is evaluated by in vivo bioelectrochemistry. The concentration of Pb 2+ in this species is estimated at 446 ppm which is far above the toxicity levels for humans.

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