Novel application of amphiphilic block copolymers in Pickering emulsions and selective recognition of proteins 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
New Journal of Chemistry
年/卷/期
2018 / 42 / 4
页码
3028-3034
ISSN号
1144-0546
作者单位
Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China;Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China;Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China;Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China;
作者
Sun, Yanhua;Chen, Jian;Zhong, Shian;Xu, Jiangfeng;
摘要
Pickering high internal phase emulsions (HIPEs) stabilized by the amphiphilic block copolymer polystyrene-polymethacrylic acid (PS-PMAA) were prepared, and porous materials with specific imprinting sites for the template protein were fabricated after the polymerization of dopamine in the water phase. To the best of our knowledge, PS-PMAA was used for the first time in Pickering emulsion polymerization and removed for the purpose of improving the mass-transfer efficiency. SEM was employed to observe the porous structure. Additionally, FT-IR spectroscopy proved that PS-PMAA was completely removed from the imprinted porous materials. The results indicated that the polydopamine imprinted materials (PDA-MIPs) exhibited an excellent recognition capacity. A high maximum absorption capacity of 472 mg g(-1) was obtained, which was 3.07 times higher than that of the non-imprinted polymers (PDA-NIPs). Selective analysis indicated that PDA-MIPs showed a higher selectivity to the template protein when compared to control proteins. The regeneration measurement revealed that the PDA-MIPs could be recycled and remained stable during their reuse.
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