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Reference type: Journal
Authors: Najafi M, Baghbanan AA
Article Title: Capacitive Chemical Sensor for Thiopental Assay Based on Electropolymerized Molecularly Imprinted Polymer.
Publication date: 2012
Journal: Electroanalysis
Volume: 24
Issue: (5)
Page numbers: 1236-1242.
DOI: 10.1002/elan.201100687

Abstract: A novel capacitive sensor based on electropolymerized molecularly imprinted polymer (MIP) for thiopental detection is described. The molecularly imprinted film as a recognition element was prepared by electropolymerization of phenol on a gold electrode in the presence of thiopental (template). Cyclic voltammetry and capacitive measurements were used for characterization and evaluation of the polymeric film. The template molecules were removed from the modified electrode surface by washing with an ethanol:water solution. The sensor's linear response range was between 3 and 20 μM, with a detection limit of 0.6 μM. The proposed sensor exhibited good selectivity, reproducibility. Satisfactory results were obtained in the direct detection of real samples
Template and target information: thiopental
Author keywords: Capacitive sensors, molecularly imprinted polymer, Thiopental, electrochemical impedance spectroscopy


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