Electrochemical and optical properties of a conducting polymer and its use in a novel biosensor for the detection of cholesterol
By Saniye Soylemez and Yasemin A. Udum and Melis Kesik and Cevher G
Published in Sensors and Actuators B: Chemical
NULL
2015
Abstract
A simple and robust cholesterol biosensor was designed by immobilizing cholesterol oxidase (ChOx) onto a conducting polymer modified graphite electrode. For this purpose, monomer, (Z)-4-(4-(9H-carbazol-9-yl) benzylidene)-2-(4-nitrophenyl) oxazol-5(4H)-one (CBNP), was synthesized and electrochemically polymerized on an electrode to achieve an effective immobilization platform for enzyme immobilization. After electropolymerization of the monomer (CBNP), electrochemical and spectroelectrochemical properties were investigated. Through the presence of nitro group on the polymer backbone hydrogen-bonding between enzyme molecules and polymer was achieved. Moreover, strong ?
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