Evidence suggests that pumping in too much oxygen too quickly can strip the molecule of a single electron, creating a free radical.
证据显示，太快地吸入过多的氧气可能夺走单电子的分子，形成自由基。
During the reperfusion period, endothelial dysfunction, activation of endogenous enzymes, leucocyte recruitment and activation all lead to the generation of oxygen -derived free radical.
再灌注期间，上皮细胞功能障碍，内源酶激活，白细胞聚集并活化，都会导致氧自由基的产生。
Blueberry and Bilberry are ranked as some of the highest antioxidant rich fruits based on their ability to scavenge oxygen free radicals in the ORAC (oxygen radical absorbance capacity) test.
蓝莓与山桑子经过“氧自由基吸收能力分析(ORAC)”测试，被评等为富含抗氧化能力最高等级的果实，具有清除氧化自由基的特性。
When hyperglycaemia, may cause the above enzyme the zymoprotein glycosylation, the catalytic activity to reduce, crosses the free time hydrogen and the oxygen free radical elimination reduces speed.
当血糖过多时，可以使上述酶的酶蛋白糖基化，催化活性降低，过暇化氢和氧自由基清除减慢。
Conclusion It suggested that melatonin may have an effect on clearing oxygen free radical and free calcium ion in the nerve cells of cerebral cor-tex and delaying the brain aging.
结论褪黑激素能增强大脑皮质对氧自由基和细胞内钙离子的清除能力，对抗神经细胞过氧化和延缓神经组织衰老具有一定的作用。
Methods: Model of fibrosis of lung with injection by oil-acid to rat, observed the effect of erythromycin to neutrophil and oxygen-free radical.
方法采用大鼠油酸尾静脉注射制作急性肺损伤后肺纤维化模型，观察红霉素对损伤肺组织中中性粒细胞聚集及氧自由基的干预作用。
Conclusion Oxygen free radical reaction in rabbit brain tissues was enhanced after ACCI. Electroacupuncture can alleviate brain edema by attenuating free radical reaction.
结论：ACCI后脑组织自由基反应增强，电针治疗可通过降低脑组织氧自由基反应减轻脑水肿。
Objective To study the correlation between abusing alcohol and antioxidants, antioxidases and oxygen free radical reaction.
目的探讨滥用酒精与抗氧化剂、抗氧化酶和氧自由基反应的关系。
The changes of related serum enzymes, liver-fibrosis marker, oxygen free radical and liver tissue pathology were observed after 8 weeks of treatment.
观察治疗8周后大鼠的相关血清酶类、肝纤维化标志物、氧自由基及肝组织病理学等变化。
Conclusions the use of anisodamine before reperfusion could reduce the production of oxygen derived free radical, therefore alleviate the injury of grafted liver caused by ischemia reperfusion.
结论再灌流前应用山茛菪碱能减少再灌流后氧自由基的产生，可减轻缺血—再灌流对移植肝脏的损伤。
Conclusions Oxygen free radical is the important factor resulting in arterial aging.
结论氧自由基是造成动脉衰老的重要因素。
Objective it is to discuss the ability of walnut clearing oxygen free radical (o · -2).
目的探讨核桃仁清除超氧阴离子自由基(O·-2)的能力。
Objective: To study effects of DunHuangShiShiDaBaoCapsule (DHDB) on oxygen free radical threshold in brain tissues of senile rats.
目的：研究敦煌大宝胶囊对衰老模型大鼠脑组织氧自由基域影响的影响。
CONCLUSION: Compound 1 had a good activity on suppressing oxygen free radical damage.
结论：化合物1具有明显抗氧自由基损伤的作用。
Oxygen free radical may play important roles in myocardial ischemia-reperfusion injury after CPB.
氧自由基在CPB后心肌缺血再灌注损伤中起重要作用。
CONCLUSION Icariin has protective effect on rat cerebral mitochondria injury induced by oxygen free radical.
结论淫羊藿苷对氧自由基损伤的大鼠脑线粒体呼吸链具有保护作用。
Conclusion leukocyte is an important source of oxygen free radical and leukocyte-depleted blood reperfusion may offer better myocardial protection.
结论白细胞是氧自由基的重要来源。提示去白细胞血再灌注，可以获得良好的心肌保护。
CONCLUSION: High concentration of glucose inhibited endothelium-dependent vasorelaxation and this effect was unlikely mediated through activating oxygen-derived free radical production.
结论：高浓度葡萄糖抑制内皮依赖的血管舒张，这种作用不是通过增加氧自由基的产生介导的。
To study the chemiluminescent assay and inhibitory test in detection of oxygen free radical (OFR) in antral mucosa.
探讨用化学发光法测定胃粘膜氧自由基（OFR） 及用抑制试验进行分类。
Hippocampal neurons; Anoxiareoxygenation; Naoshenkang capsule; oxygen free radical; Apoptosis.
海马神经元；缺氧复氧损伤；脑神康胶囊；抗氧化；凋亡。
Result: The level of oxygen free radical was higher in the neoplasm cell than that in the normal cell.
结果：扁桃体恶性肿瘤细胞中氧自由基含量明显高于正常组织。
AIM: To investigate the influence of changes of serum trace element and oxygen free radical levels on the impairment degree of brain tissue in patients with acute cerebral ischemia.
目的：探讨脑梗死患者急性期血清微量元素和氧自由基水平变化对脑组织损害程度的影响。
It suggested that SM could be regarded as a good exogenous scavenger of oxygen free radical.
提示丹参可作为一良好的外源性氧自由基清除剂。
Thus, it indicated that the stimulation of calcium messenger system and accumulation of active oxygen free radical were closely related to fruits maturation and senescence.
表明细胞内钙信使系统的活化和活性氧自由基的积累与果实成熟衰老密切相关。
The oxygen free radical scavenging activities and anti-lipoprotein oxidative effects of green tea polysaccharides were studied.
研究绿茶多糖体外清除氧自由基与抗脂蛋白氧化作用。
It is suggested that TP is the key ingredient of arbutus to scavenge active oxygen free radical.
表明，酚类物质是杨梅清除活性氧自由基的关键成分。
It is suggested that TP is the key ingredient of arbutus to scavenge active oxygen free radical.
表明，酚类物质是杨梅清除活性氧自由基的关键成分。
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