Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/3958
Title: Use of super-structural conducting polymer as functional immobilization matrix in biosensor design
Authors: Soganci, Tugba
Soyleyici, Hakan Can
Demirkol, Dilek Odaci
Ak, Metin
Timur, Suna
Keywords: Electrochemical biosensors
Electrochemistry
Conducting polymers
Carbon nanotubes
Electrodes
Enzyme immobilization
Enzyme electrodes
Enzymes
Glucose
Glucose sensors
Graphite electrodes
Electrode surfaces
Modified electrode
Enzymatic biosensors
Immobilization matrices
Modified surfaces
Operational stability
Transduction pathways
Amperometric biosensors
Amperometry
Chronoamperometry
Cyclic voltammetry
Sensor platforms
Publisher: Electrochemical Society, Inc.
Abstract: The evolution of electrochemical biosensors reflects a simplification and enhancement of the transduction pathway. The use of novel conducting polymers in the preparation of sensor platforms has become increasingly studied and imparts many advantages. The sensitivity and overall performance of enzymatic biosensors has improved tremendously as a result of incorporating functional group containing conducting polymers into their fabrication. Hereby, an efficient surface design was investigated by modifying the graphite rod electrode surfaces with conducting polymer displaying functional groups for the immobilization of biomolecules. A model enzyme, glucose oxidase, was efficiently immobilized to the modified surfaces via covalent binding. The biosensor was characterized in terms of its storage and operational stability and kinetic parameters. The designed sensor platform revealed excellent stability and promising kinetic parameters without carbon nanotube or graphene additive. Finally, the sensor platform was tested on beverages for glucose detection.
URI: https://hdl.handle.net/11499/3958
ISSN: 0013-4651
Appears in Collections:Fen-Edebiyat Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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