Authors: Patel AK
, Sharma PS
, Prasad BB
Trace-level sensing of creatine in real sample using a zwitterionic molecularly imprinted polymer brush grafted to sol-gel modified graphite electrode.
Publication date: 2010
Journal: Thin Solid Films
Alternative URL: http://www.sciencedirect.com/science/article/B6TW0-4X7YNCD-1/2/3fc2e7d078182bca3f37c86f20ca99ef
Abstract: Zwitterionic molecularly imprinted polymeric chains were tethered to the sol-gel modified graphite electrode in brush pattern of high density, for the quantitative estimation of creatine at trace level, without any cross reactivity, in real samples. The modified electrode was activated by preanodization at +á1.4áV (vs. saturated calomel electrode) for the fast ion-exchange recapture of creatine, under mild basic condition (pH 7.1). The detection limit was as low as 1.3áÁgámL-á1 (signal/noiseá=á3) employing differential pulse, cathodic stripping technique
Template and target information: creatine
Author keywords: Creatine sensor, molecularly imprinted polymer, sol-gel, Graphite electrode, differential pulse, Cathodic stripping voltammetry
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