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Reference type: Journal
Authors: de Oliviera Alves LT, Erbetta CDC, Fernandes C, Silva MESR, Freitas RFS, Sousa RG
Article Title: Synthesis and characterization of MIP with Phenylalanine for their application in SPE.
Publication date: 2015
Journal: Polimeros-Ciencia e Tecnologia
Volume: 25
Issue: (6)
Page numbers: 596-605.
DOI: 10.1590/0104-1428.2116
Alternative URL: http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0104-14282015000600596&lng=en&nrm=iso&tlng=en

Abstract: Molecularly imprinted polymers (MIPs) are synthetic polymers that have high selectivity to a molecule of interest. The objective of this work was the synthesis and characterization of MIPs for use in solid phase extraction (SPE), in order to determine Phenylalanine. The MIPs were synthesized from the MAA, Phenylalanine, EGDMA AIBN, in chloroform. Non imprinted polymer (NIP) was synthesized to control the selectivity of MIPs. The desorption of Phenylalanine was carried out in Soxhlet extractor. The MIPs and NIP were characterized by the following analytical techniques: FTIR, UV-Vis, SEM, DSC and TG. MIP showed higher adsorption capacity to Phenylalanine than the NIP with an average rate of adsorption of 55% compared to 11% for NIP. SEM MIP showed more porous surface, an important feature for use in SPE. The synthesized MIP in the present study showed great potential for use in SPE technique
Template and target information: phenylalanine
Author keywords: synthesis and characterization, MIP, phenylalanine, solid phase extraction

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