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Reference type: Journal
Authors: Pei YX, Fan FF, Wang XX, Feng WW, Hou Y, Pei ZC
Article Title: Fabrication of Hypericin Imprinted Polymer Nanospheres via Thiol-Yne Click Reaction.
Publication date: 2017
Journal: Polymers
Volume: 9
Issue: (10)
Page numbers: ArticleNo469.
DOI: 10.3390/polym9100469
Alternative URL: http://www.mdpi.com/2073-4360/9/10/469/htm

Abstract: To fabricate molecularly imprinted polymer nanospheres via click reaction, five different clickable compounds were synthesized and two types of click reactions (azide-alkyne and thiol-yne) were explored. It was found that molecularly imprinted polymer nanospheres could be successfully synthesized via thiol-yne click reaction using 3,5-diethynyl-pyridine (1) as the monomer, tris(3-mercaptopropionate) (tri-thiol, 5) as the crosslinker, and hypericin as the template (MIP-NSHs). The click polymerization completed in merely 4 h to produce the desired MIP-NSHs, which were characterized by FTIR, SEM, DLS, and BET, respectively. The reaction conditions for adsorption capacity and selectivity towards hypericin were optimized, and the MIP-NSHs synthesized under the optimized conditions showed a high adsorption capacity (Q = 6.03 μmol g-1) towards hypericin. The imprinting factors of MIP-NSHs towards hypericin, protohypericin, and emodin were 2.44, 2.88, and 2.10, respectively
Template and target information: hypericin
Author keywords: molecular imprinting, Hypericin, click reaction, Nanospheres

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