NDLI: Role of Functional Monomers upon the Properties of Bisphenol A Molecularly Imprinted Silica Films

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Role of Functional Monomers upon the Properties of Bisphenol A Molecularly Imprinted Silica Films

Content Provider	MDPI
Author	Andrei, Sârbu Gavrila, Ana-Mihaela Radu, Ionut-Cristian Stroescu, Hermine Zaharia, Anamaria Stoica, Elena-Bianca Ciurlica, Ana-Lorena Iordache, Tanţa-Verona
Copyright Year	2021
Description	In this study, two types of bisphenol A molecularly imprinted films (BPA-MIP) were successfully prepared via sol-gel derived methods using two different organosilane functional monomers N-(2-aminoethyl)-3-aminopropyltrimethoxysilane (DAMO-T) or (3-mercaptopropyl)trimethoxysilane (MPTES). The physical-chemical characterization of films, in terms of morphology, structure, thermal analysis, and optical features, suggested that thinner films with a homogenous porous structure were more likely to retain BPA molecules. The MIP films revealed the rapid and quantitative adsorption of BPA, registering the most specific binding in the first five minutes of contact with the BPA-MIP film. Silica films were effectively regenerated for further usage for at least five times, demonstrating their high stability and reusability. Even if the performance of films for BPA uptake dropped dramatically after the third adsorption/reconditioning cycle, this synthesis method for BPA-MIP films has proven to be a reliable and cheap way to prepare sensitive films with potential application for re-usable optical sensors.
Starting Page	2956
e-ISSN	20763417
DOI	10.3390/app11072956
Journal	Applied Sciences
Issue Number	7
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-03-25
Access Restriction	Open
Subject Keyword	Applied Sciences Analytical Chemistry Sol-gel Molecularly Imprinted Films Bisphenol A Organosilane Monomer
Content Type	Text
Resource Type	Article

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