数字农科院2.0

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

作者: Zhao, QY; Zhang, H; Zhao, HT; Liu, J; Liu, JY; Chen, ZL; Li, B; Liao, XJ; Mac Regenstein, J; Wang, J; Yang, X

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

ISSN: 1944-8244

年卷期: 2020 年 12 卷 7 期

页码:

收录情况: JCR(2021版) ; EI(2021版)

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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