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Reference type: Journal
Authors: Yarman A, Scheller FW
Article Title: MIP-esterase/Tyrosinase Combinations for Paracetamol and Phenacetin.
Publication date: 2016
Journal: Electroanalysis
Volume: 28
Issue: (9)
Page numbers: 2222-2227.
DOI: 10.1002/elan.201600042

Abstract: A new electrochemical MIP sensor for the most frequently used drug paracetamol (PAR) was prepared by electropolymerization of mixtures containing the template molecule and the functional monomers o-phenylenediamine, resorcinol and aniline. The imprinting factor of 12 reflects the effective target binding to the MIP as compared with the non-imprinted electropolymer. Combination of the MIP with a nonspecific esterase allows the measurement of phenacetin - another analgesic drug. In the second approach the PAR containing sample solution was pretreated with tyrosinase in order to prevent electrochemical interferences by ascorbic acid and uric acid. Interference-free indication at a very low electrode potential without fouling of the electrode surface was achieved with the o-phenylenediamine: resorcinol-based MIP
Template and target information: paracetamol, PAR, acetaminophen
Author keywords: paracetamol, Molecularly imprinted polymers, electropolymerization, Tyrosinase, esterase, phenacetin


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