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Amperometric Glucose Biosensor by Means of Electrostatic Layer-by-layer Adsorption onto Electrospun Polyaniline Fibers

An amperometric glucose biosensor was fabricated using electospun polyaniline
fibers. Polyaniline was reacted with camphorsulfonic acid to produce a salt, which was
then dissolved in chloroform containing polystyrene. Using this solution, fibers were
formed and collected by electrospinning. Glucose oxidase was immobilized onto these
fibers using an electrostatic layer-by-layer adsorption technique. In this method,
poly(diallyldimethylammonium chloride) was used as the counter ion source. The level
of adsorption was examined and evidence of layer-by-layer adsorption was obtained
using a quartz crystal microbalance technique. A biosensor was fabricated from these
fibers as a working electrode, and used to measure the glucose concentration accurately.

Identiferoai:union.ndltd.org:tamu.edu/oai:repository.tamu.edu:1969.1/ETD-TAMU-2009-05-707
Date2009 May 1900
CreatorsShin, Young J.
ContributorsKameoka, Jun
Source SetsTexas A and M University
LanguageEnglish
Detected LanguageEnglish
TypeBook, Thesis, Electronic Thesis, text
Formatapplication/pdf

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