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Reference type: Journal
Authors: Su TT, Liu JB, Tang SS, Chang HB, Jin RF
Article Title: Theoretical Study on the Structures and Properties of Phenobarbital Imprinted Polymers.
Publication date: 2014
Journal: Chinese Journal of Structural Chemistry
Volume: 33
Issue: (10)
Page numbers: 1421-1430.
Alternative URL: http://manu30.magtech.com.cn/jghx/EN/abstract/abstract1090.shtml

Abstract: Recently, the investigation of novel molecularly imprinted polymers (MIPs) has attracted a lot of interest and becomes a fascinating field. The phenobarbital (PHN) was taken as an imprinted molecule and the 2-vinyl-4,6-diamino-1,3,5-triazine (VDAT) was considered as a functional monomer in this study. The geometry optimization, natural bond orbital (NBO) charge, and molecular electrostatic potential (MEP) of PHN and VDAT were studied at the M062X level belonging to one of the hybrid density functional theories. Furthermore, we discussed the bonding conditions of PHN molecular imprinted polymers (PHN-MIPs) via the hydrogen bond length and atoms in molecules (AIM) theory. The rebinding property of PHN-MIPs was also researched. The results of MEP and NBO charge analysis were coincident. The stability property was excellent when the ratio of PHN and VDAT was 1:4. Except the classic hydrogen bonds, non-classical hydrogen bonds also existed in the imprinted polymers. By simulating the rebinding energies between the pentobarbital (PNT), barbital (BAR), and PHN-MIPs after the elution of PHN, the rebinding property of PHN-MIPs to PHN was excellent when PNT and BAR existed all at once. This research can provide theoretical reference for the synthesis and characterization of novel PHN-MIPs
Template and target information: phenolbarbital
Author keywords: phenobarbital, 2-vinyl-4,6-diamino-1,3,5-triazine, molecular imprinting, computer simulation, hydrogen bonds


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