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Proceedings 2017, 1(4), 481; doi:10.3390/proceedings1040481

A Highly Sensitive Potentiometric Amphetamine Microsensor Based on All-Solid-State Membrane Using a New Ion-Par Complex, [3,3′-Co(1,2-closo-C2B9H11)2] C9H13NH+

1
Institut des Sciences Analytiques, Université de Lyon, UMR 5280, CNRS, Université de Lyon 1, ENS Lyon-5, 5 rue de la Doua, 69100 Villeurbanne, France
2
Bacelona Microelectronics Institute IMB-CNM (CSIC), 08193 Bellaterra, Spain
3
Institut de Ciència de Materials de Barcelona (CSIC), Campus de la U.A.B, 08193 Bellaterra, Spain
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 7 August 2017
Download PDF [351 KB, uploaded 4 September 2017]

Abstract

In the present work a highly sensitive ion-selective microelectrode for the detection of amphetamine is presented. For this purpose, a novel ion-par complex based on the metallocarborane, cobalt bis(dicarbollide) anion ([3,3′-Co(1,2-C2B9H11)2]) coupled to amphetamonium cation has been prepared as the active site for amphetamine recognition. The prepared ion-par complex was incorporated to a PVC-type sensitive membrane. It was then drop-casted on the top of a gold microelectrode previously modified with a solid contact layer of polypyrrole. This novel amphetamine microsensor has provided excellent and quick response within the range 10−5 M to 10−3 M of amphetamine concentration, a limit of detection of 12 µM and a slope of 60.1 mV/decade. It was also found to be highly selective toward some potential interference compounds when compared to amphetamine.
Keywords: amphetamine; ion-par complex; metallocarboranes amphetamine; ion-par complex; metallocarboranes
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gallardo-Gonzalez, J.; Baraket, A.; Boudjaoui, S.; Clément, Y.; Alcácer, A.; Streklas, A.; Teixidor, F.; Zine, N.; Bausells, J.; Errachid, A. A Highly Sensitive Potentiometric Amphetamine Microsensor Based on All-Solid-State Membrane Using a New Ion-Par Complex, [3,3′-Co(1,2-closo-C2B9H11)2] C9H13NH+
. Proceedings 2017, 1, 481.

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