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

doi:10.1021/acs.analchem.8b00916

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 journal › Article › Scientific › peer-review

13 Citations (Scopus)

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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 language	English
Pages (from-to)	7428-7433
Number of pages	6
Journal	Analytical Chemistry
Volume	90
Issue number	12
DOIs	https://doi.org/10.1021/acs.analchem.8b00916
Publication status	Published - 21 May 2018

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10.1021/acs.analchem.8b00916

acs.analchem.8b00916Final published version, 2.12 MBLicence: CC BY-NC-ND

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AU - De Puit, Marcel

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