期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 193, 期 -, 页码 35-41出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2013.11.071
关键词
Optical fibre sensor; Chemical sensor; Cocaine sensor; Fluorescence; Molecular imprinted polymer; Interferants
资金
- Engineering and Physical Sciences Research Council
- Home Office CAST
- Smiths Detection
- EPSRC [EP/H024948/1, EP/J013552/1, EP/F016395/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J013552/1, EP/F016395/1, EP/H024948/1] Funding Source: researchfish
Novel chemical sensors using fibre optic-based techniques for the detection of Cocaine have been developed, utilising molecularly imprinted polymers (MIPs) containing fluorescein moieties as the signalling groups. The fluorescent MIPs were formed and covalently attached to the distal end of specially chosen optical fibres to create fibre optic probe-based sensors. These sensors exhibited are producible and quantifiable change in the intensity of the fluorescence signal received from the sensor in response to Cocaine in aqueous acetonitrile mixtures. High selectivity for Cocaine over Codeine and a range of known Cocaine interferants has been demonstrated for one of the sensors developed in this work. (C) 2013 Published by Elsevier B.V.
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