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Detection of the neurotoxin, deoxynivalenol, with PANi modified screen-printed electrode

C. CRISTESCU1,* , A. ANDRONIE2, S. M. IORDACHE2, A. CUCU2, S. STAMATIN2, G. NAN3, I. TARANU4, L. M. CONSTANTINESCU1, I. STAMATIN2

Affiliation

  1. University of Bucharest, Physics Department, Bucharest, Romania
  2. University of Bucharest, 3 Nano-SAE Research Centre, Bucharest, Romania
  3. Petroleum-Gas University of Ploiesti, Ploiesti, Romania
  4. Research-Development for Biology and Animal Nutrition Institute, Bucharest-Balotesti.

Abstract

The polyaniline electrochemical deposited on working electrode of the screen printed electrode has been used for detection of deoxynivalenol (DON), neurotoxin produced by fungi from animal feed. The electrochemical response at DON concentrations from 10-9 to 10-4M showed the highst sensitivity around of 10-10 M/l measured by cyclic voltammetry. Results highlights that polyaniline is an appropriate mediator making the neurotoxin response at very low concentrations..

Keywords

Screen printed electrode, Polyaniline, Neurotoxin.

Submitted at: April 7, 2010
Accepted at: April 26, 2010

Citation

C. CRISTESCU, A. ANDRONIE, S. M. IORDACHE, A. CUCU, S. STAMATIN, G. NAN, I. TARANU, L. M. CONSTANTINESCU, I. STAMATIN, Detection of the neurotoxin, deoxynivalenol, with PANi modified screen-printed electrode, Journal of Optoelectronics and Advanced Materials Vol. 12, Iss. 4, pp. 941-943 (2010)