抗氧化剂
硒
谷胱甘肽过氧化物酶
化学
酶
氧化损伤
谷胱甘肽
生物分子
过氧化物酶
生物化学
细胞内
纳米技术
材料科学
有机化学
作者
Yanyan Huang,Zhen Liu,Chaoqun Liu,Yan Zhang,Jinsong Ren,Xiaogang Qu
标识
DOI:10.1002/chem.201801725
摘要
A self-assembly nanocomposite was designed to mimic intracellular enzymatic and non-enzymatic antioxidants-constituted antioxidant defense machinery. In this work, selenium nanocomponent served as one model to mimic antioxidant enzyme, whereas polydopamine was able to mimic non-enzymatic antioxidant biomolecule in living systems. With the excellent glutathione peroxidase-mimic capacity of selenium and the reducibility of polydopamine, this Se@pDA nanozyme could achieve synergetic antioxidative efficiency to protect cellular components against oxidative damage. The pneumonia model of mice further proved the potential of our nanocomposites for anti-inflammation therapy.
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