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Reference type: Conference Proceeding
Authors: Braga GS, Lieberzeit PA, Fonseca FJ
Publication date: 2017
Article title: Selective chemical sensor based on molecularly imprinted polymer to detect isoborneol in aqueous samples.
Page numbers: 1-3
DOI: 10.1109/ISOEN.2017.7968931

Conference information: 2017 ISOCS/IEEE International Symposium on Olfaction and Electronic Nose (ISOEN)

Abstract: Herein we report the evaluation of selectivity of previously developed chemical sensors based on molecularly imprinted polymers (MIP) and quartz crystal microbalance (QCM) to detect isoborneol (ISO) in aqueous samples. They exhibited high specificity when aqueous samples tainted with interfering molecules, namely 2-methylisoborneol (MIB) and camphor, were analyzed. MIP response for ISO (4 mM) was 2 times higher than for MIB (4 mM) and 4 times higher than for camphor (4 mM). Their response scales linearly with isoborneol concentration and exhibits sensitivity of -245.26 Hz mM-1 cm-2 at the active area, with a gradient of -47 Hz mM-1. Moreover, MIP based sensor theoretical detection limit (LoD) is 0.52 mM
Template and target information: isoborneol
Author keywords: 2-methylisoborneol, molecularly imprinted polymer, aqueous samples, Camphor, isoborneol, quartz crystal microbalance

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