An Oxygen-Tolerant PET-RAFT Polymerization for Screening Structure-Activity Relationships.

An Oxygen-Tolerant PET-RAFT Polymerization for Screening Structure-Activity Relationships.
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DOI:
10.1002/anie.201711044
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发表时间:
2018-02-05
期刊:
Angewandte Chemie (International ed. in English)
影响因子:
--
通讯作者:
Chapman R
Chapman R
中科院分区:
其他
文献类型:
--
作者:
Gormley AJ;Yeow J;Ng G;Conway Ó;Boyer C;Chapman R

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聚合物-蛋白质相互作用的复杂性使得任何给定生物界面的最佳聚合物结构的合理设计极具挑战性,并且聚合物的高通量合成和筛选已成为一种有吸引力的替代方案。卟啉催化的光诱导电子/能量转移-可逆加成-断裂链转移(PET-RAFT)聚合适于在空气存在下在低体积孔板上在二甲基亚砜(DMSO)中高通量合成复杂聚合物结构。该聚合体系显示出显著的耐氧性,以及对功能性3臂和4臂星星聚合物的优异控制。然后,我们应用这种方法来研究聚合物结构对蛋白质结合的影响,在这种情况下,凝集素伴刀豆球蛋白A(刀豆球蛋白A)。这种方法可以应用于筛选任何数量的聚合物-蛋白质相互作用的结构-活性关系。
The complexity of polymer–protein interactions makes rational design of the best polymer architecture for any given biointerface extremely challenging, and the high throughput synthesis and screening of polymers has emerged as an attractive alternative. A porphyrin-catalysed photoinduced electron/energy transfer–reversible addition-fragmentation chain-transfer (PET-RAFT) polymerisation was adapted to enable high throughput synthesis of complex polymer architectures in dimethyl sulfoxide (DMSO) on low-volume well plates in the presence of air. The polymerisation system shows remarkable oxygen tolerance, and excellent control of functional 3- and 4-arm star polymers. We then apply this method to investigate the effect of polymer structure on protein binding, in this case to the lectin concanavalin A (ConA). Such an approach could be applied to screen the structure–activity relationships for any number of polymer–protein interactions.
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