氧化损伤，或氧化应激，出现在被称为自由基的高活性分子攻击和破坏细胞蛋白质，脂类(脂肪)和脱氧核糖核酸时。
Oxidant injury, or oxidative stress, occurs when highly reactive molecules called free radicals attack and damage cellular proteins, lipids (fats) and DNA.
结论热休克蛋白具有保护肾脏抗氧化酶活性的作用，热预处理能够减轻严重烧伤后肾损伤。
Conclusion Heat shock precondition can protect the activity of antioxidase in rat kidney, and decrease the injury of kidney after severe burn.
在活细胞中，藻蓝蛋白既可以作为蛋白存储单位，也可以作为抗氧化剂，使细胞在一定限度内免受光损伤。
In the living algae cell, phycocyanin can serve as a protein storage unit and as an antioxidant, protecting the cell from certain wavelengths light damage.
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