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Highly selective recognition of L‐phenylalanine with molecularly imprinted polymers based on imidazolyl amino acid chiral ionic liquid
Author(s) -
Chen Shiyu,
Huang Xiaoxia,
Yao Shun,
Huang Wencai,
Xin Yin,
Zhu Minghui,
Song Hang
Publication year - 2019
Publication title -
chirality
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.43
H-Index - 77
eISSN - 1520-636X
pISSN - 0899-0042
DOI - 10.1002/chir.23110
Subject(s) - phenylalanine , chemistry , adsorption , molecularly imprinted polymer , ionic liquid , selective adsorption , molecular imprinting , molecular recognition , polymer , amino acid , monomer , combinatorial chemistry , organic chemistry , chromatography , selectivity , polymer chemistry , molecule , catalysis , biochemistry
Abstract Several amino acid chiral ionic liquids were introduced as functional monomers to prepare molecularly imprinted polymers for specific recognition of L‐phenylalanine. Among them, the imprinted polymers L‐Phe@MIPs based on [ViImC3][L‐Pro] showed the best selective recognition ability for L‐phenylalanine. A series of experiments such as dynamic adsorption, static adsorption, and competitive adsorption were conducted to investigate the specific recognition ability and adsorption capacity of the L‐Phe@MIPs. It is found that the adsorption efficiency to L‐phenylalanine on L‐Phe@MIPs was 3.11 times higher than that to D‐phenylalanine. All the results demonstrated that the L‐Phe@MIPs possessed good recognition and relatively high adsorption efficiency for L‐phenylalanine. Besides, the recovery of L‐phenylalanine was above 98%, and the L‐Phe@MIPs exhibited good reusability.

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