Authors: Panasyuk-Delaney T
, Mirsky VM
, Wolfbeis OS
Capacitive creatinine sensor based on a photografted molecularly imprinted polymer.
Publication date: 2002
Abstract: The first reversible chemosensor to creatinine based on artificial chemoreceptors is described. The receptor layer was prepared by molecularly imprinted photopolymerization of acrylamidomethylpropanesulfonic acid and methylenediacrylamide. The polymer layer was grafted onto the surface of gold electrodes coated with an alkanethiol monolayer. Creatinine binding was detected by a decrease in the electrode capacitance. The sensor response is reversible and highly selective: no response to addition of sodium chloride, creatine, urea or glucose were observed. The detection limit for creatinine is 10 muM which is optimal for medical applications
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