| Issue |
E3S Web of Conferences
Volume 1, 2013
Proceedings of the 16th International Conference on Heavy Metals in the Environment
|
|
|---|---|---|
| Article Number | 05007 | |
| Number of page(s) | 3 | |
| Section | Analytical Chemistry I | |
| DOI | https://doi.org/10.1051/e3sconf/20130105007 | |
| 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
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