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A Photoresponsive Surface Molecularly Imprinted Polymer Shell for Determination of Trace Griseofulvin in Milk

A Photoresponsive Surface Molecularly Imprinted Polymer Shell for Determination of Trace Griseofulvin in Milk

Yue-Hong Yang, Lan-Tao Liu, Mei-Jun Chen, Song Liu, Cheng-Bin Gong, Yu-Bo Wei, Cheuk-Fai Chow, Qian Tang

Mater Sci Eng C Mater Biol Appl. 2018 Nov 1;92:365-373.

PMID: 30184762

Abstract:

A new photoresponsive surface molecularly imprinted polymer shell (PMIPS) was developed for determination of trace griseofulvin from milk. The PMIPS was prepared by surface imprinting technique using poly(styrene-co-methacrylic acid) (PS-co-PMMA) microspheres as the sacrificial substrate, griseofulvin as the template, a photoresponsive azobenzene derivative 4-((4-(methacryloyloxy)phenyl)diazenyl)-3,5-dimethyl benzenesulfonic acid as the functional monomer, and triethanolamine trimethacrylate as the cross-linker. The PMIPS was obtained after the removal of the sacrificial PS-co-PMMA core from the surface imprinted core-shell microspheres, PS-co-PMAA@PMIP. Compared with PS-co-PMAA@PMIP, PMIPS displayed better properties such as higher surface area and pore volume, rapid photo-isomerization rate, and higher adsorption capacities, specific binding constant and binding density. The PMIPS could efficiently detect griseofulvin in complex samples such as milk.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS73338	Poly(styrene-co-methacrylic acid			Price

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