清除系统
- 网络scavenging system;AGSS
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目的:研究黄芩H2O2清除系统和黄酮类活性成分积累的相关性。
Objective : Study on correlation between H2O2 scavenging system and flavonoids accumulation of Scutellaria baicalensis .
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外源AsA对盐胁迫下水稻叶绿体活性氧清除系统的影响
Effect of Exogenous Ascorbic Acid on Active Oxygen Scavenging System in Chloroplasts of Rice under Salt Stress
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水稻依赖抗坏血酸H2O2清除系统在抗铁毒中的作用
Effect of Ascorbate specific H_2O_2 scavenging on Tolerance to Iron Toxicity in Rice
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在低温胁迫下外源ABA对高原水稻自由基清除系统的影响
The Effect of Exogenous ABA on the Scavenging Systems of Oxygen Free Radical of Plateau Rice Seedlings in Chilling Stress
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研究了西瓜实生苗和以黑籽南瓜、超丰F1为砧木的嫁接苗的耐冷性及活性氧清除系统的差异。
This paper studied the chilling tolerance and the activity of protective system against active oxygen of own-rooted and grafted watermelon seedlings .
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活性氧清除系统在UV-B辐射下,棉花叶片SOD、CAT和POD活性表现为先升高后降低的变化趋势。
Active oxygen scavenging system : In the UV-B radiation , cotton leaf SOD , CAT and POD activity showed the first increase after the reduction trends .
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活性氧清除系统中三种保护酶SOD、POD和CAT活性下降幅度均显著高于保绿型玉米,MDA含量则明显增加。
Three protective enzymes SOD , POD and CAT activity in active-oxygen scavenging system were significantly lower than the rate of stay green type , but MDA content increased significantly .
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说明抗坏血酸过氧化物酶H2O2清除系统在水稻抗铁毒中起着十分重要的作用。
The results suggest that ascorbate specific H 2O 2 scavenging system may play an important role in the detoxification of iron toxicity in rice .
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而高CO2浓度能够增强酶促与非酶促清除系统对活性氧的清除能力,在一定程度上可以减轻或避免大量活性氧积累造成的伤害。
Elevated CO2 could enhance the ability of enzyme and non-enzyme system to eliminate ROS , which alleviate or avoid the negative effects of ROS on cucumber seedlings to some extent .
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CR-4或BR-120处理在一定程度上提高了水稻幼苗活性氧清除系统的能力,增强了抗冷性。
It is suggested that treatments of CR-4 and BR-120 increase the ability of scavenging activated oxygen in rice seedlings and strengthen the cold resistance of the varieties to some extent .
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在衰老过程中由于活性氧的清除系统紊乱,导致超氧离子自由基大量累积,并加剧了膜脂过氧化程度和MDA过量累积,使得膜透性增加。
The disorder of O2 - elimination result in large account of super oxygen ion accumulating , and increasing membrane superoxide activity , and make MDA excessively accumulate , which make membrane relative permeability increase .
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目的:观察慢性鼻窦炎(CS)鼻内镜鼻窦手术前后鼻黏膜黏液纤毛清除系统的分泌腺结构和功能变化。
Objective : To evaluate the secretory elements transformation of nasal mucosa after functional endoscopic sinus surgery ( FESS ) in chronic sinusitis ( CS ) . Methods : twenty patients were randomly enrolled .
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尽管大部分生物在进化过程中形成了酶和非酶清除系统来清除ROS,但仍有部分ROS能够逃脱清除,导致生物大分子的氧化。
Although most of organisms have evolved both enzymatic and nonenzymatic scavenging systems to eliminate ROS , there are still some ROS leaky , resulting in the oxidation of biological macromolecules .
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结合以前的研究结果,认为这一H2O2清除系统在导致驯化(acclimation)的轻度胁迫作用下可以得到加强,而当胁迫强度过大时则其清除能力下降并使组织受到伤害。
It is concluded that moderate temperature or water stresses may induce the acclimation and increase in the ability of the H2O2 scavenging system , while strong stresses decrease the ability and induce injury of plant tissues .
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同时,测定脾脏淋巴细胞内自由基清除系统的关键酶超氧化物歧化酶(SOD)和谷胱甘肽过氧化物酶(GSH-PX)的活性和抗氧化小分子活性物质谷胱甘肽(GSH)含量。
At the same time , the activities of the key enzymes superoxide dismutase ( SOD ), glutathione peroxidase ( GSH-PX ) and antioxidant glutathione ( GSH ) in the free radical scavenging system were also determined .
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3在黄瓜果实成熟衰老过程中,活性氧清除系统成员过氧化物酶(POD)呈现双峰变化模式,超氧物歧化酶(SOD)在果皮颜色变黄时开始下降。
In cucumber ripeness and senescence course , one member which cleaned out active oxygen , POD showed two peaks ; another member SOD increased in the early time , and then decreased when the cucumber fruit peel turned into yollow .
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生理适应机制主要通过叶黄素循环、珊瑚色素荧光(热)、活性氧清除系统(自由基)、分泌紫外线吸收物质MAAs(紫外光)、产生热休克蛋白HspS(热)来实现的。
The mechanism of physiological acclimatization involves the xanthophyll cycle , fluorescent coral pigments , oxidative enzymes , MAAs and heat shock proteins ( Hsps ) .
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结果表明,苜蓿幼苗叶片中的渗透调节物质可溶性糖含量、游离氨基酸和脯氨酸含量在水分胁迫下增加,活性氧清除系统中的SOD和CAT活性降低,POD活性先升高后下降。
The result showed that the content of soluble sugar increased with prolonging of water stress time , while the contents of free amino acid and proline descended . Activities of SOD and CAT dropped , the activity of POD increased firstly and then decreased .
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分析表明:UV-B辐射可能直接引起了H2O2的积累,而H2O2一方面通过干扰蛋白质的合成或基因的表达影响植物H2O2清除系统的活性;
The results indicate that H 2O 2 accumulation might be caused directly by UV B radiation , on one hand , H 2O 2 induced the changes of H 2O 2 scavenging system through influence on protein or gene expression ;
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NaCl胁迫能刺激番茄活性氧清除系统酶系统中SOD,POD等酶的活性,但随着处理时间的延长,NaCl胁迫的加剧,活性氧清除系统中酶的活性下降。
NaCl stress can stimulate the tomato active oxygen scavenging system enzyme system in the SOD , POD , such as enzyme activity , but with the extension of the time , NaCl stress intensifies , active oxygen scavenging system in the activity of decline .
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目的:探讨电动鼻窦切割钻(HUMMER)和微波切除部分下鼻甲对鼻黏膜纤毛清除系统的影响,为临床选择合理术式提供理论依据。
Objective : To study the effects of excising partial inferior turbinectomy with powered sinus clissector ( HUMMER ) and microwave on nasal mucociliary clearance system , and offer the theoretical foundation to choose rational operational technique .
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在较低浓度Pb-Ni胁迫下,苔藓细胞的自由基清除系统基本能清除Pb-Ni胁迫所产生的活性氧,避免其对机体的伤害。
Under the stress of lower Pb or Ni concentrations , the ROS induced by Pb and Ni could be scavenged by the antioxidantive systems in mosses .
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磁处理对玉米幼苗自由基清除系统的影响
The effect of magnetic treatment on radical scavenging system of corn seedling
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自由基的生物学效应及自由基清除系统的功能特性
Biological effects of free radicals and functions of scavengers for free radicals
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物理性因素对鼻黏液纤毛清除系统影响的研究
Role of physical factors on nasal mucus cilia clearance system
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活性氧清除系统对干旱胁迫的响应机制
The Response Mechanism of Active Oxygen Species Removing System to Drought Stress
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水稻叶片光氧化敏感性与活性氧清除系统的关系
Photooxidation Sensitivity in Relation to the Scavenging System of Active Oxygen in Rice
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结论:甲醛可损伤小鼠自由基清除系统。
Conclusion Formaldehyde can injury free radical eliminated system to cause lung injury .
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设备管道安装完毕后,要清除系统杂物;
Pipes are free of foreign matters after installation ;
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杂质清除系统的作用功能失效或工艺不合适。
Improper function / setting of trash removal systems .