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Molecularly imprinted electrospun fiber membrane for colorimetric detection of hexanoic acid

Molecularly imprinted electrospun fiber membrane for colorimetric detection of hexanoic acid AbstractAn imprinted electrospun fiber membrane was developed for the detection of volatile organic acids, which are key components of human body odor. In this study, hexanoic acid (HA) was selected as the target, polymethyl methacrylate (PMMA) was used as the substrate, and colorimetric detection of HA was achieved by a bromocresol purple (BCP) chromogenic agent. The results showed that the morphology of the fiber membrane was uniform and continuous, and it showed excellent selectivity and specificity to HA. Photographs of the color changes before and after fiber membrane adsorption were recorded by a camera and quantified by ImageJ software by the difference in gray value (ΔGray). This method is simple, intuitive, and low cost and has great potential for application in human odor analysis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png e-Polymers de Gruyter

Molecularly imprinted electrospun fiber membrane for colorimetric detection of hexanoic acid

e-Polymers , Volume 21 (1): 11 – Jul 19, 2021

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Publisher
de Gruyter
Copyright
© 2021 Xiaoguang Ying et al., published by De Gruyter
ISSN
2197-4586
eISSN
1618-7229
DOI
10.1515/epoly-2021-0049
Publisher site
See Article on Publisher Site

Abstract

AbstractAn imprinted electrospun fiber membrane was developed for the detection of volatile organic acids, which are key components of human body odor. In this study, hexanoic acid (HA) was selected as the target, polymethyl methacrylate (PMMA) was used as the substrate, and colorimetric detection of HA was achieved by a bromocresol purple (BCP) chromogenic agent. The results showed that the morphology of the fiber membrane was uniform and continuous, and it showed excellent selectivity and specificity to HA. Photographs of the color changes before and after fiber membrane adsorption were recorded by a camera and quantified by ImageJ software by the difference in gray value (ΔGray). This method is simple, intuitive, and low cost and has great potential for application in human odor analysis.

Journal

e-Polymersde Gruyter

Published: Jul 19, 2021

Keywords: molecular imprinting; electrospinning; PMMA; bromocresol purple; colorimetric detection

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