oxygen free

Objective To investigate the role of oxygen free radicals as the trigger of the delayed myocardial preservation ( the second window of protection SWOP), by ischemia preconditioning ( IP) in immature myocardium.

目的探讨氧自由基（OFRs）在缺血预处理（IP）对未成熟心肌延迟性保护（第二窗）机制中的作用。

This study showed that Matteuccia struthiopteris rhizomes can effectively improve the mouse ability to scavenging oxygen free radicals, thereby reducing by oxygen free radicals attacks to the mice cell cause damage, effectively raising the antioxidant capacity of the mouse.

综合比较认为，荚果蕨根状茎可以明显的提高小鼠体内清除氧自由基的能力，从而减轻小鼠体内受氧自由基攻击造成的细胞损伤，有效的提高小鼠机体的抗氧化能力。

The scavenging effects of ligustrazine ( Lig) isolated from Ligusticum wallichii Franch on active oxygen free radicals were studied using spin trapping technique and chemiluminescence methods.

用电子自旋共振技术和化学发光（CL）法研究了川芎嗪（Ligustrazinge，Lig）对活性氧自由基的清除作用。

Polymerization, Aggregation and Stable Free Radical Formation of Bilirubin Induced by Active-oxygen Free Radicals

活性氧自由基诱发的胆红素聚合、聚集及稳定自由基的形成

The Mechanism of Exogenous Oxygen Free Radicals Induced Vasospasm of Isolated Basilar Artery

外源性氧自由基所致脑基底动脉痉挛的机制

Conclusion: The effect of SOD on clearing oxygen free radical weakens in CAD patients.

结论: SOD在CAD患者中清除氧自由基能力下降.

Application of RE Addition to Oxygen Free Copper Bar by Up Casting

稀土添加剂在上引铸造无氧铜杆工艺中的应用

Serum Level of Oxygen Free Redicals in Patients with Idiopathic Thrombocytopenic Purpura

特发性血小板减少性紫瘢血清氧自由基水平

Cap and GSH are very alike in their quantitative effect curve when scavenging H2O2. Results also indicate that Cap has the same anti-oxygen free radical effect as GSH. The tensible strength of vagus and spinal nerves is very alike.

两者对H2O2的清除作用的量效关系曲线十分相似。迷走神经与脊神经的拉伸强度几乎完全相同。

Antioxidant ( oxygen free radicals, nitric oxide, etc.); nutrition ( lack of trace elements) endocrine and immune ( autoimmune infertility, endocrine disorders); physical and chemical aspects of the ( radiation, high temperature, chemical).

主要有抗氧化方面的（氧自由基、一氧化氮等）；营养方面的（微量元素的缺乏）内分泌免疫方面的（免疫性不育、内分泌紊乱）；理化方面的（辐射、高温、化学等）。

Objective To explore the oxygen-increased respirator ( OIR)'s protective effects on severe acute hypobaric hypoxia and its effect on oxygen free radical.

目的探索增氧呼吸器对严重急性低压缺氧的防护作用及氧自由基的影响。

Correlation between oxygen free radical and peak expiration flow in asthmatic patients

支气管哮喘呼气峰值流速与氧自由基关系的研究

But most of them shows the desulfurization of SO 2 in oxygen free gas.

但大部分研究仅限于无氧尾气中SO2的脱除.

This may be antibacterial, viral suppression enhanced tracheobronchial ciliary movement, the promotion of respiratory secretions excretion, and promote the formation of inflammatory barrier, scavenging oxygen free radicals and prevent the damage to the body endotoxin and Chinese medicine.

这可能与中药在抗菌、抑制病毒、增强气管支气管纤毛运动、促进呼吸道分泌物排泄、促使炎性屏障形成、清除氧自由基及防止内毒素对机体的损伤等方面相关。

Experimental Study on Oxygen Free Radical Scavenging Effect of Glycyrrhizae Total Flavonoids

甘草总黄酮对氧自由基清除作用的实验研究

The bronchus high reaction formation induced by endotoxin may involve its promoting airway epithelial ′ s secreting ET 1, TXA 2 and its inhibiting secreting PGE 2. It is possible that oxygen free redicals mediate the process of bronchus high reaction.

结论内毒素诱发支气管高反应性形成，可能与其促进呼吸道上皮分泌ET－1、TXA2，抑制PGE2分泌有关，氧自由基可能参与其诱发支气管高反应性过程。

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.

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。

β-Caryophyllenol has the effect of anti-inflammation and scavenge reactive oxygen free radical ( OFR), which may be the mechanism of the anti-asthma effect on asthmatic models of guin pigs.

抑制气道炎症和清除氧自由基（OFR）可能是β-石竹烯醇平喘作用的机制之一。

Conclusion These data suggested that propofol inhibit effectively XO activity and decrease the formation of oxygen free radical during HIRI.

结论异丙酚可有效地抑制HIRI时XO活性而减少氧自由基的形成。

The results suggest that oxygen free radicals might be involved in oxygen paradox injury.

结果提示，氧自由基可能是氧反常损伤的初始原因；

The mechanism is still indefinite, the present study include the theory of oxygen free radicals, lipid peroxidation injury, cytokines and DNA damage, but there is no theory can explain the mechanism of PQ induced lung damage detailedly.

PQ诱导肺组织损伤的机制尚未完全清楚，目前研究较多的学说包括氧自由基学说，脂质过氧化损伤，细胞因子以及DNA损伤等，但仍没有一个学说能详细阐明PQ肺损伤的具体机制。

Kg-1.CONCLUSION: The inhibition of gastric secretion and lipid peroxidation induced by oxygen free radicals of gastric mucosa was related to the antiulcer effect of Dil in rats.

结论：Dil抗实验性胃溃疡作用与抑制胃液分泌、减少胃粘膜Mal含量和提高SOD活力有关。

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。

But most of them shows the desulfurization of SO _ 2 in oxygen free gas.

但大部分研究仅限于无氧尾气中SO_2的脱除.

An experimental study of scavenging oxygen free radicals with garlicin

大蒜素清除氧自由基的实验研究

Research progress of association between oxygen free radicals, antioxidase and chronic kidney diseases.

氧自由基及抗氧化酶与慢性肾脏疾病的进展.

Conclusion: It indicated that MDF could scavenge oxygen free radicals and was capable of prophylactically antagonizing against the oxidative injury by superoxide anion.

结论：MDF对氧自由基有清除作用，并能预防性对抗超氧阴离子自由基引起的氧化性损伤，对肝线粒体的氧化性损伤有保护作用。

Objective To explore the scavenging effect of hawthorn on oxygen free radicals.

目的探讨山楂抗氧自由基的作用。

Conclusion Panax japonicus has an apparent protection against mice and rats cerebral ischemia reperfusion injury, its mechanism is related with its oxygen free radical.

结论竹节人参提取物对S.D大鼠和小鼠脑缺血再灌注损伤有明显的保护作用。其机制与其抗氧自由基有关。

It was found that proper RE addition can improve not only stability of technological processing in up-drawing casting but also mechanical properties and electric conductivity of oxygen free copper rod.

结果表明：加入适量稀土一方面可提高上引法无氧铜杆生产工艺的稳定性，另一方面可提高无氧铜杆的力学性能及电导率。