Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/52761
Title: A renewable glucose sensor fabricated from microemulsion polymerization of thiophene in a flow cell with application in a high-performance liquid chromatography system
Authors: Chan, H.S.O. 
Gan, L.M. 
Chi, H. 
Seng Toh, C. 
Keywords: Flow cell
Glucose sensor
High-performance liquid chromatography
Microemulsion polymerization
Thiophene
Issue Date: 12-Dec-1994
Source: Chan, H.S.O.,Gan, L.M.,Chi, H.,Seng Toh, C. (1994-12-12). A renewable glucose sensor fabricated from microemulsion polymerization of thiophene in a flow cell with application in a high-performance liquid chromatography system. Journal of Electroanalytical Chemistry 379 (1-2) : 293-300. ScholarBank@NUS Repository.
Abstract: A glucose sensor was fabricated by the use of a microemulsion. The oil-in-water microemulsion was a simple three-component system consisting of a non-ionic surfactant, monomeric thiophene and aqueous buffer, without the use of an organic solvent. Enzyme was entrapped by the deposition of a thin layer of non-conducting polythiophene. This enzyme layer could be restored readily by the same microemulsion polymerization procedure when the enzyme was depleted. Application of this glucose sensor system in a flow-cell electrode was performed successfully. A linear range of over three orders of magnitude of glucose concentrations and a detection limit at the nanomole level were readily achieved. The capability of this sensor was demonstrated in connection with high-performance liquid chromatography for the direct sensing of glucose in fresh orange. © 1994.
Source Title: Journal of Electroanalytical Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/52761
ISSN: 00220728
Appears in Collections:Staff Publications

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