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氧自由基     
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  oxygen free radical
     1. Oxygen free radical scavenging-effect in vitro by Q,I,R Hydroxyl free radical(·OH) was generated using H_2O_2/Fe~(2+) system via Fenton reaction;
     1. Q,I,R体外清除氧自由基作用采用H_2O_2/ Fe~(2+)体系,通过Fenton反应生成羟自由基(·OH);
短句来源
     Study on Relativity between Oxygen Free Radical and Thromboxane B_2,6-keto-PGF_(1α) during Ligustrazine Treatment of Intrauterine Growth Retardation
     川芎嗪治疗胎儿宫内生长迟缓中氧自由基与血栓素B_2、6-酮-前列腺素_(1α)的相关性研究
短句来源
     Effect of Oxygen Free Radical on P53 and P21ras Protein Expressions in Gastric Cancer MGC-803 Cell Line
     氧自由基对胃癌细胞MGC-803的P53、P21ras蛋白表达的影响
短句来源
     Effects of stress on myocardial nutritional blood flow (NBF), oxygen free radical (OFR)concentration, superoxide dismutase (SOD) activity and malondialdehyde (MDA) content of aged mice were studied for exploring the mechanism by which the aged heart is damaged by stress reaction.
     为探讨应激引发老年心脏损害的机制,本实验从自由基角度研究了应激对老年小鼠心肌营养性血流(NBF),氧自由基(OFR)浓度,超氧化物歧化酶(SOD)活性及丙二醛(MDA)含量的影响,结果发现:应激前老年组与青年组相比,心肌NBF(86Rb摄取率%)无显著差异(p<0.05);
短句来源
     ③PGE 1 may reduce the severity of lung injury by inhibiting PMN activation,releasing oxygen free radical and PLA 2 activity.
     ③PGE1可通过抑制PMN活化 ,减少氧自由基释放 ,降低PLA2 活性 ,使肺损伤减轻
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  oxygen free radicals
     AOV was determined respectively as 105.324 for ·OH 34930.795 for O·-2,606.5 for H2O2,and 0.859 for oxygen free radicals from phagocytic of leucocyte in whole blood Chemiluminescence.
     清除·OH、O·-2、H2O2、白细胞呼吸爆发中产生的氧自由基活性的AOV值分别为105.324、34930.795、606.5、-0.859。
短句来源
     AOV was 109 48 for ·OH, 9 057 9 for O · 2, 312 01, for H 2O 2, and 5 204 for oxygen free radicals from phagocytic of leucocyte in whole blood chemiluminescence.
     测定 JPS清除 · OH、O·2 、H2 O2 、白细胞呼吸爆发中产生的氧自由基活性的 AOV值分别为 10 9.48、 90 5 7.9、 312 .0 1、 5 .2 0 4。
短句来源
     The effects of oxygen free radicals on myocardial α_1-adrenoceptor and its subtypesand β-adrenoceptor were observed by the method of radioligand binding assay in rat.The experiments showed: (1) .
     采用放射配体结合方法观察外源性氧自由基对大鼠心肌α_1肾上腺素受体(α_1受体)及其亚型α_(1A)与α_(1B)的影响和对β肾上腺素受体(β受体)的影响。
短句来源
     Increasing oxygen free radicals anddecreasing Na+-K+ATPase , Ca2+-ATPase activity might be the mechanism of sperm apoptosis.
     可能与氧自由基含量增多、Na+-K+-ATP酶和Ca2+-ATP酶活性降低有关。
短句来源
     Clinical and Experimental Study on Elimination of Oxygen Free Radicals of Jinshuibao Capsule in
     金水宝胶囊对清除老年虚证者氧自由基的临床与实验研究
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  free radical
     STUDIES ON NITROXIDES-Ⅲ- AN MO CALCULATION OF 2,2,6,6-TETRAMETHYL-4- HYDROXYPIPERIDINE-1-OXYL FREE RADICAL
     氮氧自由基的研究(Ⅲ)——2,2,6,6-四甲基-4-羟基-哌啶-1-氧自由基的分子轨道计算
短句来源
     OXYGEN FREE RADICAL AND LUNG INJURY Ⅰ.Significance of oxygen free radical originated from pulmonary arterial endothelial cells in the pathogenesis of lung injury
     氧自由基与肺损伤 Ⅰ、来自肺血管内皮细胞的氧自由基在肺损伤中的意义
短句来源
     Effect of combined administration of gentamycin and dexamethasone on oxygen free radical in dogs with septic shock
     庆大霉素地塞米松合用对感染性休克氧自由基的影响
短句来源
     OXYGEN FREE RADICAL AND LUNG INJURY Ⅲ.EFFECT OF TUNGSTEN ON EXPERIMENTAL LUNG INJURY
     氧自由基与肺损伤——Ⅲ.钨对实验性肺损伤的影响
短句来源
     ROLE OF OXYGEN FREE RADICAL IN HYPOXIC INJURY OF BOVINE PULMONARY ARTERY ENDOTHELIAL CELLS AND PROTECTIVE ACTION OF ANISODAMINE
     氧自由基与肺损伤——Ⅴ.氧自由基在肺动脉内皮细胞缺氧所致的损伤中作用及山莨菪碱的保护作用
短句来源
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  oxygen radicals
     The results show that the antioxidants all possess the scavenging capacities on oxygen radicals to some extent. The IC50 of scavenging for V-C,catechin and the extraction from Glyeyrrhize uralensis are respectively 2.04 g/mL,6.16 g/mL and 42.13 g/mL;
     结果表明不同抗氧化剂对各种氧自由基均有不同程度的清除作用,V-C,儿茶素和甘草提取物清除的能力IC50分别为2.04,6.16,42.13g/mL;
短句来源
     Conclusions Celecoxib provided protection against CIRI possibly by reducing the accumulation of PGE2,the production of oxygen radicals,altering the ration between TXB2 and 6-K-PGF1α and increasing the activity of SOD.
     结论COX-2抑制剂可能通过减少PGE2的集聚,改善TXB2/6-K-PGF1α比值,减少氧自由基的产生,提高SOD活性而发挥脑保护作用。
短句来源
     Reactive oxygen radicals generated in ammonium perfullate (AP) and N, N, N', N'-tetramethyl ethylenediamine (TEMED) system measured directly by ESR methods. It was studies that the effect of O2-·and HO·radicals in the system were scavenged by some drinks.
     本文用ESR方法直接检测过硫酸铵(ammonium perfullate简称AP)和N,N,N′,N′-四甲基乙二胺(N,N,N′,N′-tetramethyl ethylenediamine简称TEMED)体系产生的活性氧自由基,然后用几种饮料作清除剂,研究它们对体系中产生的O_2~-·和HO·自由基的清除效果.
短句来源
     This paper employed a method of adding selenium(0.5mg/L),fluoride(50mg/L)to water,observing the combined effects on active oxygen radicals(R) and lipid peroxides(LPO)of rats.
     通过饮水中加硒(0.50μg/L)、加氟(50mg/L)的方法,研究了硒氟联合作用对大鼠体内活性氧自由基(R·)和脂质过氧化物(LPO)的影响。
短句来源
     Scavenging Effect of Selenium Compounds on Active Oxygen Radicals
     用自旋捕集技术研究硒化合物对活性氧自由基的清除作用
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  oxygen free radical
Among many pathogenic factors, the changes of vasoactive substances, participation of inflammatory mediators as well as OFR (oxygen free radical), endotoxin, etc.
      
Oxygen free radical damage of isolated cardiomyocytes: comparative protective effect of radical scavengers and calcium antagonis
      
Oxygen free radical formation has been implicated in lesions caused by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and iron.
      
It was found that after 20 minutes ischemia, the first peak of oxygen free radical appeared at about 0.5 minutes after the beginning of reperfusion, then the release of oxygen free radicals decreased with time.
      
Protective effect of carvedilol on abnormality of L-type calcium current induced by oxygen free radical in cardiomyocytes
      
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  oxygen free radicals
During daytime, when temperature is high, the soluble sugar does not participate in the osmotic adjustment but eliminate the active oxygen free radicals.
      
Retrograde infusion of chondroitin-sulfate via pancreatic duct could alleviate the pancreatic cell damage as a sort of scavengers of oxygen free radicals.
      
The main target for ultrasound-generated oxygen free radicals were cystine residues oxidized to cysteic acid residues.
      
Oxygen free radicals appear to impair not only lens crystallins which will aggregate and precipitate forming opacities but also proteolytic enzymes whose function it would be to eliminate the damaged proteins.
      
No evidence of oxygen free radicals-mediated damage during the calcium paradox
      
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  free radical
Water-borne raspberry-like PMMA/SiO2 nanocom-posite particles were prepared via free radical copolymerization of methyl methacrylate (MMA) with 1-vinylimidazole (1-VID) in the presence of ultrafine aqueous silica sols.
      
Graft copolymers of hydroxylethyl cellulose (HEC) and PAA were prepared by free radical polymerization.
      
Results showed that the process has good characteristics of living free radical polymerization, i.e.
      
time both were linear indicating that the reaction was a controlled/living free radical polymerization.
      
Results showed that the process had some of the good characteristics of controlled/living free radical polymerization.
      
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  oxygen radicals
The parent comaruman CP as well as fragments of its polygalacturonan backbone diminish PMA-initiated generation of oxygen radicals in neutrophils.
      
The parent comaruman CP as well as fragments of its polygalacturonan backbone diminish PMA-initiated generation of oxygen radicals in neutrophils.
      
Allicin Suppresses the Production of Oxygen Radicals by Human Neutrophils Induced by Various Stimulating Agents
      
The role of phosphatidylinositol-3-kinase in the formation of oxygen radicals by phagocytes in whole blood samples from patients
      
Free Oxygen Radicals and the Antioxidant System in Healthy Full-Term Neonates
      
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