1) Superoxide ion
超氧离子
1.
Seeing that the spectrophotometric titration,a method of determining superoxide ion,O, reported in literature, has a complicated operation,a simple and convenient method of determining the concentration of O is studied.
针对文献报导的超氧离子Ｏ测定方法─—光度滴定法存在操作繁杂的缺点，研究出一种简便的Ｏ浓度的分析方法。
2) superoxide anions
超氧离子
1.
The activity of xanthine oxidase was measured by using the generation of uric acid method and the NBT reduction induced by superoxide anions,then its possible mechanism was estimated.
方法从海绵中分离提取renierol成分,采用尿酸生成法和超氧离子致NBT显色法测定黄嘌呤氧化酶活性,并进一步研究其作用机理。
2.
1 U/ml)) was incubated with xanthine(1 mmol/L for determining formation of uric acid;50 μmol/L for determining superoxide anions) in the presence of 20,40 and 60 μg/ml rosmarinic acid or allopurinol as positive control.
方法:将20、40、60μg/ml迷迭香酸或1μg/ml阳性对照别嘌呤醇,分别加入黄嘌呤溶液(测尿酸生成量:1 mmol/L;测超氧离子:50μmol/L)和0。
3) superoxide anion radical
超氧阴离子
1.
Determination of superoxide anion radicals in sodium hyposulfite solution by chemiluminescent methods;
连二亚硫酸钠体系中超氧阴离子的化学发光法检测
2.
This paper introuduced the reactive mechanism and properties of superoxide dismutase(SOD), and described the effects of SOD in the vital science from the purpose of scavenging superoxide anion radical(O 2 -).
介绍超氧化物歧化酶 (SOD)的作用机制与性质 ,并从其对超氧阴离子 (O2 )的清除作用上阐述了SOD在生命科学中的作
3.
Influences of boron on the activity of superoxide dismutase(SOD),production rate of superoxide anion radical and the content of malondialdehyde(MDA)in Seashore paspalum and Tifdwarf were studied under media culture in spring and early autumn for understanding the possible roles of boron in enhancing the chilling resistance of turfgrass.
采用基质培养法,设缺硼和施硼2种处理,在早秋和春季测定了草坪草超氧化物歧化酶(SOD)活性、超氧阴离子(O2。
4) Superoxide anion
超氧负离子
1.
It was indicated through the quenching experiments that both of singlet oxygen mechanism and superoxide anion mechanism might be present in the auto-sensitized photooxidation of cyanine dyes, and photoo.
通过猝灭实验给出，在三种菁染料的光氧化反应机制中，具有反应活性的单线态氧和超氧负离子同时存在，其中单线态氧是导致菁染料褪色的主要因素。
5) Superoxide
[,sju:pə'ɔksaid]
超氧阴离子
1.
Role of Nitric Oxide and superoxide playing on the trauma healing of the DM mice;
一氧化氮和超氧阴离子在糖尿病小鼠创面愈合过程中的作用
2.
The reactive oxygen species(ROS) such as superoxide and hydroxyl radical scavenging(activities) based on 8 different cyclic nitroxides radicals,including 2,2,6,6-tetramethylpiperidinyl-1-oxy,(2,2,5,)5-tetramethylpyrrolin-1-oxy and 2,2,5,5-tetramethylpyrrolidine-1-oxy derivatives,were detected by UV-Vis spectrophotometry.
采用紫外分光光度法检测并比较了四甲基哌啶类氮氧自由基、四甲基吡咯啉类氮氧自由基、四甲基四氢吡咯类氮氧自由基共8种不同环氮氧自由基化合物清除超氧阴离子及羟基自由基等活性氧的能力,用循环伏安法研究了它们的电化学性质。
3.
Macrophages, one of the key mediators of the immune system, generate large quantities of superoxide in response to a variety of stimuli, by a coordinated sequence of biochemical reactions known as the respiratory burst.
巨噬细胞在免疫活化或受刺激时,不仅能产生超氧阴离子,而且也能产生大量的一氧化氮自由基,以杀伤入侵病原体和肿瘤细胞。
6) superoxide anion free radical
超氧阴离子
1.
In the outside chemical simulated system reaction tests,the tremella polysaccharide s ability to scavenge hydroxyl free radical,superoxide anion free radical and to restrain peroxide in lard has been observed.
并在体外化学模拟系统反应中,观察该多糖消除羟自由基、超氧阴离子自由基以及防止油脂质氧化的性能。
补充资料：超氧阴离子
分子式：
CAS号：
性质：需氧生物体内氧分子作为最重要的电子受体在物质代谢过程中被还原成水:O2+4e→2H2O，如此利用的氧约占组织耗氧总量的95％，其余5％的氧在还原过程中由于接受电子数目不等可以形成多种性质活泼的活性氧。氧分子受单一电子还原的产物称为超氧阴离子O2+e→O2-。O2-是阴离子，又是自由基，性质活泼，具有很强的氧化性和还原性，既是氧化剂，又是还原剂，过量生成可致组织损伤。在体内主要通过超氧歧化酶清除。
CAS号：
性质：需氧生物体内氧分子作为最重要的电子受体在物质代谢过程中被还原成水:O2+4e→2H2O，如此利用的氧约占组织耗氧总量的95％，其余5％的氧在还原过程中由于接受电子数目不等可以形成多种性质活泼的活性氧。氧分子受单一电子还原的产物称为超氧阴离子O2+e→O2-。O2-是阴离子，又是自由基，性质活泼，具有很强的氧化性和还原性，既是氧化剂，又是还原剂，过量生成可致组织损伤。在体内主要通过超氧歧化酶清除。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条