高血糖会导致大量的氧自由基产生，并破坏天然的抗氧化机制。
Hyperglycemia will cause overproduction of free radical and destroy natural antioxidant system.
结论：小檗碱对PG细胞增殖具有抑制作用，后者可能与调节细胞内活性氧自由基产生从而影响细胞周期进程有关。
CONCLUSION: Berberine has an inhibitory effect on the proliferation of PG cells, and these effect may be carried out by regulating the production of intracellular ROS and the process of cell cycle.
氧消耗可以产生氧自由基，其可以引起机体破坏。
Oxygen use produces oxygen-free radicals that can destroy an organism.
这种情况发生的原因是身体机能接触氧后产生的副产物自由基的释放，自由基是一类具有高活性的分子，对人体具有巨大的威胁。
This happens because of exposure to free radicals, highly reactive molecules that are byproducts of bodily functions involving oxygen (which is just about all of them).
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。
During the reperfusion period, endothelial dysfunction, activation of endogenous enzymes, leucocyte recruitment and activation all lead to the generation of oxygen -derived free radical.
氧自由基可引起动物体衰老及疾病的产生。
Oxygen free radicals can result in aging and diseases in animal body.
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。
CONCLUSION: High concentration of glucose inhibited endothelium-dependent vasorelaxation and this effect was unlikely mediated through activating oxygen-derived free radical production.
血色素分解产生的铁离子和血红素本身与反应性氧自由基(ROS)和反应性氮自由基(RNS)的产生相关。
Iron liberated from hemoglobin, and hemoglobin itself, are associated with the generation of reactive oxygen species (ROS) and reactive nitrogen species (RNS).
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 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.
百草枯中毒机理主要是在肺内产生氧自由基，破坏肺细胞，导致肺纤维化和呼吸衰竭。
Paraquat poisoning is a major mechanism of oxygen free radicals produced in the lungs, damage to lung cells, leading to respiratory failure and pulmonary fibrosis.
方法利用顺磁共振波谱仪直接测定心肌缺血再灌注的不同阶段氧自由基的产生。
Methods Oxygen free radicals were measured directly in different stages of myocardial ischemia and reperfusion by electron paramagnetic resonance spectroscopy (ESR).
目的：探讨丹参二萜醌对邻苯三酚自氧化反应产生的氧自由基的作用。
Object: to observe the oxygen derived free radicals scavenging of diterpenoid tanshinones by pyrogallol autoxidation systems.
目的采用在体犬心肌缺血再灌注动物实验模型，通过去白细胞技术，研究白细胞在缺血再灌注损伤心肌中产生氧自由基的作用。
Objective To study the role of leukocyte in generating oxygen free radical in myocardial ischemia and reperfusion injury by leukocyte-depletion technique.
氧气的消耗会产生能够破坏生物的氧自由基。
Oxygen use produces oxygen-free radicals that can destroy an organism.
结果发现用NOS自旋捕捉剂可检测到该体系所产生的超氧阴离子自由基。
It was found that the superoxide radicals could be detected by NOS in the above system.
在皮瓣缺血再灌注后产生大量的超氧阴离子自由基，其变化十分活跃。
A great number of superoxide anion free radicals were produced after ischemia and reperfusion of skin flap with active change.
超氧阴离子自由基由紫外光照射碱性核黄素溶液产生。
Super-oxide anion radical is produced by irradiating the basic solution of riboflavin.
结论过度训练对骨骼肌的损害主要是产生自由基介导的氧应激损伤，最终表现为骨骼肌细胞凋亡和坏死。
Conclusions Overtraining may lead to free radical-mediated injuries to the rats' skeletal muscle, cause apoptosis and necrosis as well.
SOD是氧自由基的清除剂，能清除脂质过氧化产物，对组织细胞产生保护作用。
Superoxide dismutase (SOD) which is a clearance agent to free radical can clear lipid peroxides and is a role in protecting cells and tissue.
目的：了解氧自由基的产生与TNF抗肿瘤活性之间的关系。
Objective: to find out the relationship between the TNF induced superoxide anion generation and its cytotoxicity.
许多研究已经证明，机体的正常代谢可以产生活性氧自由基，它有很强的氧化性，是机体产生疾病和衰老的关键之一。
Many studies have shown that the normal metabolism of the body can produce reactive oxygen species (ROS), which has strong oxidation, is the key of human diseases and aging.
作为宿主抵抗感染的主要防御细胞，中性粒细胞具有趋化、吞噬、产生氧自由基及释放作用等生物学特性。
As the main defense cell of the host immune response, neutrophils present lots of biological behaviors such as chemotaxis, phagocytosis, generating oxygen free radicals and so on.
它是唯一以超氧阴离子自由基为底物的酶，可以催化超氧阴离子的歧化反应产生分子氧和过氧化氢，在南极细菌对恶劣环境的适应中具有重要作用。
These enzymes act to disproportionate two molecules of superoxide anion to hydrogen peroxide and water, and plays important role in extreme environment adaptation of Antarctic microorganism.
实验结果说明不同硒化合物不仅能够清除细胞体系产生的活性氧自由基，而且对化学反应生成的活性氧自由基也有清除作用。
It is concluded that the different selenium forms can clear the active oxygen radicals produced from both cellular metabolism and chemical reactions.
本文介绍了氧自由基的种类和产生、氧自由基的相关研究，综述了与氧自由基相关的抗氧化剂种类。
This article introduced the generation and sorts of oxygen free radical and the related research, reviewed the sorts of oxidation inhibitor.
超氧化歧化酶(SOD)能清除机体代谢过程中产生的过多的氧自由基，可预防疾病和延缓人体衰老。
SOD is superoxide dismutase, it can clear away excessive O2 which is produced during the course of organism supersession, it can prevent disease and delay the decrepitude of human body.
UVB辐射可诱导机体产生活性氧自由基，从而引起细胞生物学改变，导致基因突变、致癌和细胞死亡。
UVB irradiation can induce the formation of reactive oxygen species (ROS), and induce the change of cell biology, gene mutation, carcinogenesis and cell death.
表明病鹿机体产生大量氧自由基，导致抗氧化能力降低，引发脂质过氧化损伤。
The above-mentioned result demonstrates that the organism has produced a good deal of Oxygen Free Radial, which induced to reduce the anti-oxidizing ability, which leads the trauma of organism.
表明病鹿机体产生大量氧自由基，导致抗氧化能力降低，引发脂质过氧化损伤。
The above-mentioned result demonstrates that the organism has produced a good deal of Oxygen Free Radial, which induced to reduce the anti-oxidizing ability, which leads the trauma of organism.
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