E3S Web of Conferences
Volume 1, 2013Proceedings of the 16th International Conference on Heavy Metals in the Environment
|Number of page(s)||3|
|Section||Analytical Chemistry I|
|Published online||23 April 2013|
Electrochemical Method for Heavy Metals Detection by Inhibition of Acetylcholinesterase Immobilized on Pt-nanoparticles Modified Graphite Electrode
Department of Physical Chemistry, University “Babes-Bolyai”, RO-400028 Cluj-Napoca, ROMANIA
The optimization and the characterization of a new amperometric biosensor based on acetylcholinestrase (AChE), immobilized on a graphite electrode modified with Pt-nanoparticles (PtNP), are reported. The G/PtNP-AChE biosensor was used for heavy metals detection. The degree of inhibition (%I), the kinetic constants of the inhibition process, as well as the influence of the PtNP presence on these parameters were estimated.
Key words: Heavy metals / acetylcholinesterase / inhibition / wastewater
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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