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Reference type: Conference Proceeding
Authors: Nguyen TH, Sun T, Grattan KTV, Hardwick SA
Publication date: 2010
Article title: A fibre optic chemical sensor for the detection of cocaine.
Page numbers: Art. No. 76531V
DOI: 10.1117/12.866496 Alternative URL: http://link.aip.org/link/?PSI/7653/76531V/1

Proceedings title: Fourth European Workshop on Optical Fibre Sensors
Editors: Santos JL, Culshaw B, Lopez-Higuera JM, MacPherson WN
Publisher: SPIE
City: Porto, Portugal
ISBN: 0277-786X
Volume number: 7653
Conference information: Fourth European Workshop on Optical Fibre Sensors

Abstract: A fibre-optic chemical sensor for the detection of cocaine has been developed, based on a molecularly imprinted polymer (MIP) containing a fluorescein moiety as the signalling group. The fluorescent MIP was formed and covalently attached to the distal end of an optical fibre. The sensor exhibited an increase in fluorescence intensity in response to cocaine in the concentration range of 0 - 500 μM in aqueous acetonitrile mixtures with good reproducibility over 24 h. Selectivity for cocaine over others drugs has also been demonstrated.
Template and target information: cocaine
Author keywords: Optical fibre sensor, chemical sensor, Cocaine sensor, fluorescence, fluorescein, molecular imprinting


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