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Preparation and evaluation of molecularly imprinted polymer for selective recognition and adsorption of gossypol
Zhi, KK (Zhi, Keke); Wang, LL (Wang, Lulu); Zhang, YG (Zhang, Yagang); Zhang, XM (Zhang, Xuemin); Zhang, LT (Zhang, Letao); Liu, L (Liu, Li); Yao, J (Yao, Jun); Xiang, W (Xiang, Wei)
2018
Source PublicationJOURNAL OF MOLECULAR RECOGNITION
ISSN0952-3499
Volume31Issue:3Pages:特刊: SI
Abstract

Molecularly imprinted polymers (MIPs) were designed and prepared via bulk thermal polymerization with gossypol as the template molecule and dimethylaminoethyl methacrylate as the functional monomer. The morphology and microstructures of MIPs were characterized by scanning electron microscope and Brunauer-Emmett-Teller surface areas. Static adsorption tests were performed to evaluate adsorption behavior of gossypol by the MIPs. It was found that adsorption kinetics and adsorption isotherms data of MIPs for gossypol were fit well with the pseudo-second-order model and Freundlich model, respectively. Scatchard analysis showed that heterogeneous binding sites were formed in the MIPs, including lower-affinity binding sites with the maximum adsorption of 252mg/g and higher-affinity binding sites with the maximum adsorption of 632mg/g. Binding studies also revealed that MIPs had favorable selectivity towards gossypol compared with non-imprinted polymers. Furthermore, adsorption capacity of MIPs maintained above 90% after 5 regeneration cycles, indicating MIPs were recyclable and could be used multiple times. These results demonstrated that prepared MIPs could be a promising functional material for selective adsorption of gossypol.

KeywordGossypol Molecular Recognition Molecularly Imprinted Polymer Selective Adsorption
DOI10.1002/jmr.2627
Indexed BySCI
WOS IDWOS:000424904400006
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Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5208
Collection资源化学研究室
Corresponding AuthorZhang, YG (Zhang, Yagang)
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Ctr Green Chem, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Organ Funct Mat Lab, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Xinjiang Inst Engn, Dept Chem & Environm Engn, Urumqi, Peoples R China
5.Xinjiang Med Univ, Coll Pharm, Urumqi, Peoples R China
Recommended Citation
GB/T 7714
Zhi, KK ,Wang, LL ,Zhang, YG ,et al. Preparation and evaluation of molecularly imprinted polymer for selective recognition and adsorption of gossypol[J]. JOURNAL OF MOLECULAR RECOGNITION,2018,31(3):特刊: SI.
APA Zhi, KK .,Wang, LL .,Zhang, YG .,Zhang, XM .,Zhang, LT .,...&Xiang, W .(2018).Preparation and evaluation of molecularly imprinted polymer for selective recognition and adsorption of gossypol.JOURNAL OF MOLECULAR RECOGNITION,31(3),特刊: SI.
MLA Zhi, KK ,et al."Preparation and evaluation of molecularly imprinted polymer for selective recognition and adsorption of gossypol".JOURNAL OF MOLECULAR RECOGNITION 31.3(2018):特刊: SI.
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