Electrified Soft Interface as a Selective Sensor for Cocaine Detection in Street Samples

Lukasz Poltorak, Irene Eggink, Marnix Hoitink, Ernst J.R. Sudhölter, Marcel De Puit

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)
24 Downloads (Pure)

Abstract

A straightforward, direct, and selective method is presented for electrochemical cocaine identification in street samples. The sensing mechanism is based on a simple ion transfer reaction across the polarized liquid-liquid interface. The interfacial behavior of a number of cutting agents is also reported. Interfacial miniaturization has led to improved electroanalytical properties of the liquid-liquid interface based sensor as compared with the macroscopic analogue. The reported method holds great potential to replace colorimetric tests with poor selectivity for on-site street sample analysis.

Original languageEnglish
Pages (from-to)7428-7433
Number of pages6
JournalAnalytical Chemistry
Volume90
Issue number12
DOIs
Publication statusPublished - 21 May 2018

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