Macromolecular Bioscience p. 1505 - 1516 (2010)
Update date:2022-08-16
Topics:
Yin, Yanzhen
Huang, Xin
Lv, Chunyan
Wang, Liang
Yu, Shuangjiang
Luo, Quan
Xu, Jiayun
Liu, Junqiu
To construct an efficient GPx mimic, a novel method for preparing polymer-based vesicles carrying GPx-active sites was developed. A series of block copolymers loaded with recognition and catalytic sites were synthesized based on polystyrene-block-poly[tri(ethylene glycol) methyl ether acrylate]s (PS-PMEO3MAs). By altering the molar ratio of the functional copolymers, vesicles with GPx activity were obtained by self-assembly of these functional copolymers through blending. The optimum GPx mimic constructed by the blending process exhibited high catalytic activity and acted as a real catalyst with typical saturation kinetics behavior. The method may be of benefit for designing other enzyme mimics and may cast a light on constructing other biologically related functional nanoparticles.Self-assembly of functional copolymers through blending is a novel and simple method to construct efficient glutathione peroxidase(GPx) mimics. The optimum blended GPx mimic is obtained by optimizing the structure of the functional block copolymers and altering the ratio of the functional block copolymers. The blended GPx mimic exhibits remarkable catalytic activity and acts as a real catalyst with typical saturation kinetics behavior.
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