Strategy of Fusion Covalent Organic Frameworks and Molecularly Imprinted Polymers: A Surprising Effect in Recognition and Loading of Cyanidin-3-O-glucoside
文献类型： 外文期刊
第一作者： Zhao, Qianyu
作者： Zhao, Qianyu;Zhang, Hua;Zhao, Haitian;Liu, Jingyi;Yang, Xin;Liu, Jia;Chen, Zilong;Li, Bin;Liao, Xiaojun;Mac Regenstein, Joe;Wang, Jing
作者机构：
关键词： molecularly imprinted polymers; covalent organic frameworks; magnetic responsiveness; cyanidin-3-O-glucoside; recognition
期刊名称：ACS APPLIED MATERIALS & INTERFACES （ 影响因子：9.229； 五年影响因子：9.57 ）
ISSN： 1944-8244
年卷期： 2020 年 12 卷 7 期
页码：
收录情况： SCI
摘要： Seven magnetic covalent organic framework molecularly imprinted polymers with magnetic responsiveness, large specific surface area, and molecular recognition ability were successfully synthesized, suitable for the separation of cyanidin-3-O-glucoside from complex samples. Using a room-temperature synthesis strategy, covalent organic frameworks accompanied by imprinted sites were formed in one step on the functionalized magnetic nanoparticles with 1,6-hexanediamine. The composite materials were easy to prepare and showed high adsorption capacity (127 mg g(-1)) together with favorable adsorption selectivity for cyanidin-3-O-glucoside over other flavonoids and phenolic acids. Magnetic covalent organic framework molecularly imprinted polymers exhibited good stability in 10 adsorption-desorption cycles. This work established a new method of extracting and separating high-purity anthocyanins and even unstable natural compounds.
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