Preparation of biosensors by immobilization of polyphenol oxidase in conducting copolymers and their use in determination of phenolic compounds in red wine

Boyukbayram, A.; Kiralp, Senem; Toppare, LEVENT; Yagci, Yusuf

doi:10.1016/j.bioelechem.2006.01.006

Preparation of biosensors by immobilization of polyphenol oxidase in conducting copolymers and their use in determination of phenolic compounds in red wine

Boyukbayram A. E., Kiralp S., Toppare L., Yagci Y.

BIOELECTROCHEMISTRY, vol.69, no.2, pp.164-171, 2006 (SCI-Expanded, Scopus)

Publication Type: Article / Article
Volume: 69 Issue: 2
Publication Date: 2006
Doi Number: 10.1016/j.bioelechem.2006.01.006
Journal Name: BIOELECTROCHEMISTRY
Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Page Numbers: pp.164-171
Keywords: conducting polymer, copolymer, biosensor, polyphenol oxidase, immobilization, electrochemistry, determination of phenolic compounds, red wine, ENZYME ELECTRODES, GRAFT-COPOLYMERS, POLYPYRROLE, POLYTETRAHYDROFURAN, TYROSINASE, COMPOSITE, THIOPHENE
Middle East Technical University Affiliated: Yes

Abstract

Electrochemically produced graft copolymers of thiophene capped polytetrahydofuran (TPTHF1 and TPTHF2) and pyrrole were achieved by constant potential electrolysis using sodium dodecylsulfate (SDS) as the supporting electrolyte. Characterizations were based on Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). Electrical conductivities were measured by the four-probe technique.