海克米希望进一步的实验能够确定活性氧自由基是如何延长蠕虫的生命周期的。
Hekimi hopes further experiments will determine exactly how reactive oxygen species increase lifespan in the worms.
它还控制基因保护细胞不受高活性氧自由基这种被认为通过其在DNA上造成的累积损害导致人衰老的分子的侵害。
It also controls genes that protect cells from highly reactive oxygen radicals - molecules often thought to drive human ageing through the cumulative damage they wreak on DNA.
新加坡国立大学的巴里·哈利维尔同意上述关于活性氧自由基的说法，他说：“没有活性氧自由基人活不成，谁也不希望这样，但是最后也许正是它们要了你的命。”
"You cannot live without them, nor should you wish to, but they will probably help to kill you in the end," agreed Barry Halliwell of the National University of Singapore, of reactive oxygen species.
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).
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。
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.
作为一种重要的氧自由基清除酶-超氧化物歧化酶(SOD)，其活性水平对植物抗逆性有着重要影响。
The activity of superoxide dismutase (SOD), an important enzyme that can eradicate the oxygen free radicals, has great influence on the stress resistance of plant.
放疗的主要机制是通过放射线对肿瘤的电离作用，直接或间接诱发自由基、活性氧来杀伤肿瘤细胞。
The mechanism of radiotherapy is its ionization action, which can kill the tumor cell directly or indirectly by generation of free radicals, reactive oxygen species to cure the disease.
提示氧自由基可能损害细胞色素氧化酶活性，细胞色素氧化酶活性降低在肾缺血再灌流损伤中可能起重要作用。
These results suggest that oxygen free radicals may damage the activity of cytochrome oxidase, the reduction of which may play an important role in the injury of renal ischemia and reperfusion.
目的：观察黄连解毒汤交叉配伍对活性氧自由基的清除作用。
Objective: To observe the scavenging effects of Coptidis Toxin Resolving Decoction (cross compatibility) on oxygen free radicals.
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。
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，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.
采用羟基自由基体系和超氧阴离子自由基体系对藏红花酸及藏红花酸二甲酯的体外抗氧化活性进行研究，并与BHT进行比较。
At last, using the hydroxyl radical system, superoxide radical system, the antioxidation activities of crocetin and crocetin dimethyl ester were studied and compared with BHT.
结论：稀土离子在较低浓度时都能抑制活性氧自由基的生成。较高浓度时，作用相反。
Conclusion: Lanthanide ions can inhibit the production of active oxygen free radicals at low concentration, but it turned out contrary at high concentration.
结果表明，不同器官组织中活性氧与抗超氧阴离子自由基含量各异。
Results showed that content of ROS and ASAFR vary between different organs and tissues.
运用化学发光技术研究了培植牛黄的活性氧自由基。
The active oxygen radicals of cultured bezoar have been studied by chemiluminescence.
活性氧自由基是挫伤性视网膜病变中光感受器细胞凋亡的重要诱因。
Free oxygen radicals are the important triggering factors for the apoptosis of photoreceptors in the retina contusion of the rabbits.
结论：麦冬活性多糖可保护心肌细胞，同时具有抑制心肌缺血造成的自由基生成增加和清除氧自由基的作用。
CONCLUSION: POAP can protect myocardial cells, inhibit the generation of free radicals, and scavenge the oxygen free radicals generated from myocardial ischemia.
结论：心肌缺血预处理与电针内关通过提高内源性氧自由基清除系统酶的活性，抑制缺血再灌注心肌细胞膜脂质过氧化反应，对缺血再灌注心肌具有明显的保护作用。
Coneclusion:EA at Neiguan point and IC can protect Z/R myocardium evidently by raising the activity of inhabiting cell membrane lipid peroxidation of myocardial suffered from ischemic reperfusion.
结果表明，椰壳聚糖及其配合物对氧自由基均具有较好的清除活性，而且成量效关系。
The results demonstrated that the complexes showed good ability for scavenging the superoxide anion radical, and the ability was increased as the amount of the complexes increased.
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.
分组灌胃治疗后，检测溃结大鼠结肠组织氧自由基MDA含量和SOD活性。
Detecting SOD and MDA activity of rats'colon tissue with ulcerative colitis after intragastric administration.
缺血性脑损伤后，活性氧自由基(ROS)增加，以不同的细胞分子机制引起组织损伤。
After brain injury by ischemia, the production of reactive oxygen species (ROS) may increase, leading to tissues damage via several different cellular molecular pathways.
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.
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.
为了深入了解胆红色素类结石形成的触发机制，我们研究了活性氧自由基与胆红素的作用。
To get an insight in the trigger mechanism of the pigment gallstone formation, the actions of active-oxygen free radical on bilirubin were studied in vitro.
此外，内毒素诱导许多破坏性和炎症因子快速升高，包括活性氧(自由基)、一氧化氮和脂肪代谢产物。
In addition, the endotoxin induced a rapid rise in several destructive and inflammatory factors, including reactive oxygen species (free radicals) and products of nitric oxide and fat metabolism.
和美容组合物有关的这个发明设计用来保护皮肤对抗各种自由基和氧活性物质带来的压力。
A cosmetic composition intended for protecting skin against stress generating free radicals or reactive oxygen species is disclosed.
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.
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.
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