MIPdatabase
Authors: Duvanova OV, Krivonosova IA, Zyablov AN, Falaleev AV, Selemenev VF, Sokolova SA
Article Title: Use of Piezoelectric Sensors for the Determination of Oleic and Palmitic Acids in Vegetable Oils.
Publication date: 2018
Journal: Inorganic Materials
Volume: 54
Issue: (14)
Page numbers: 1387-1391.
DOI: 10.1134/S002016851814008X
Abstract: Piezoelectric sensors based on molecularly imprinted polymers (MIPs) for sensing oleic (MIP-Oleic) and palmitic (MIP-Palmitic) acids were tested in the analysis of vegetable oils. When creating the MIP sensors, electrodes were modified with the PM polyimide (dianhydride of 1,2,4,5-benzenetetracarboxylic acid and 4,4'-diaminodiphenyl oxide). Values of the imprinting factor and selectivity coefficients of the molecularly imprinted polymers for sensing fatty acids were compared. Chromatography mass spectrometry was used as a comparison method. The difference between the results of the determination of acids by using a piezoelectric sensor and by chromatography mass spectrometry does not exceed 10%. It is established that sensors modified with molecularly imprinted polymers are selective to the acid that served as a template for the polymer synthesis
Template and target information: oleic acid, palmitic acid
Author keywords: Molecularly imprinted polymers, oleic acid, palmitic acid, polyimide PM, piezoelectric sensor, Vegetable oils
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