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catalase hydrogen peroxide
相关语句
  过氧化氢酶
     A study on the acid chrome blue K as a hydrogen donor substrate of catalase hydrogen peroxide system is reported. A new catalytic spectrophotometric method for the determination of trace amount of hydrogen peroxide was developed.
     研究了以酸性铬蓝 K作为氢供体底物的过氧化氢酶 -过氧化氢催化反应体系 ,拟定了测定痕量过氧化氢的新的酶催化光度法。
短句来源
     [Methods] TP was given to streptozocin induced diabetic rats as treatment. After treatment the level of urea nitrogen(BUN),creatinine(Cr),triglycerinate(TG),total cholesterol(TC) and catalase hydrogen peroxide(CAT) were measured,while tissue of kidney was observed by microscope.
     [方法 ]链脲佐菌素 (STZ)诱发的糖尿病大鼠用茶多酚干预后 ,检测血清尿素氮 (BUN) ,肌酐 (CR) ,甘油三酯 (TG) ,胆固醇 (TC)及过氧化氢酶 (CAT) ,同时做肾脏病理检测。
短句来源
  过氧化氢酶-过氧化氢
     A study on the acid chrome blue K as a hydrogen donor substrate of catalase hydrogen peroxide system is reported. A new catalytic spectrophotometric method for the determination of trace amount of hydrogen peroxide was developed.
     研究了以酸性铬蓝 K作为氢供体底物的过氧化氢酶 -过氧化氢催化反应体系 ,拟定了测定痕量过氧化氢的新的酶催化光度法。
短句来源
  相似匹配句对
     STUDY OF CATALASE AND PEROXIDASE BIOSYNTHESES INDUCED BY HYDROGEN PEROXIDE
     H_2O_2对过氧化氢酶和过氧化物酶活性的影响
短句来源
     Olefin Oxidation with Hydrogen Peroxide
     烯烃的过氧化氢氧化研究
短句来源
     Production and application of hydrogen peroxide
     过氧化氢的生产及应用
短句来源
     Effects of Some Metal Ions on the Stability of Hydrogen Peroxide and the Activity of Catalase
     某些金属离子对过氧化氢稳定性和过氧化氢酶活性的影响
短句来源
     It was investigated that the immobilized catalase was affected by temperature and pH and inhibited by hydrogen peroxide.
     研究了温度和pH值对酶活性的影响及过氧化氢和尿素对固定化酶的抑制作用。
短句来源
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A study on the acid chrome blue K as a hydrogen donor substrate of catalase hydrogen peroxide system is reported. A new catalytic spectrophotometric method for the determination of trace amount of hydrogen peroxide was developed.The maximum velocity V m was 6.25×10 -3 mol·L -1 ·S -1 for the catalytic reaction,and michaelis constant K m is 2.78×10 -5 mol/L. The linear range is 0.03~0.6 mg/L for hydrogen poroxide,and detection limit was 4.6×10...

A study on the acid chrome blue K as a hydrogen donor substrate of catalase hydrogen peroxide system is reported. A new catalytic spectrophotometric method for the determination of trace amount of hydrogen peroxide was developed.The maximum velocity V m was 6.25×10 -3 mol·L -1 ·S -1 for the catalytic reaction,and michaelis constant K m is 2.78×10 -5 mol/L. The linear range is 0.03~0.6 mg/L for hydrogen poroxide,and detection limit was 4.6×10 -4 mg/L. The method has been used for the determination of hydrogen peroxide in rain water.

研究了以酸性铬蓝 K作为氢供体底物的过氧化氢酶 -过氧化氢催化反应体系 ,拟定了测定痕量过氧化氢的新的酶催化光度法。测得该体系的最大反应速率 Vmax值为 6.2 5× 1 0 -3 mol· L-1·S-1,米氏常数 Km值为 2 .78× 1 0 -5mol/L。测定过氧化氢的线性范围为 0 .0 3~ 0 .6mg/L。检出限为 4.6× 1 0 -4 mol/L。方法可应用于雨水中过氧化氢的测定

Objective] To study the protective effects and mechanism of TP on diabetic nephropathy. [Methods] TP was given to streptozocin induced diabetic rats as treatment. After treatment the level of urea nitrogen(BUN),creatinine(Cr),triglycerinate(TG),total cholesterol(TC) and catalase hydrogen peroxide(CAT) were measured,while tissue of kidney was observed by microscope. [Results] The content of BUN,Cr,TG and TC in diabetic rats was (21 85±1 85)mmol/L,(316±11)μmol/L,(3 34±0 4)mmol/L and (2 02±0 32)mmol/L,respectively...

Objective] To study the protective effects and mechanism of TP on diabetic nephropathy. [Methods] TP was given to streptozocin induced diabetic rats as treatment. After treatment the level of urea nitrogen(BUN),creatinine(Cr),triglycerinate(TG),total cholesterol(TC) and catalase hydrogen peroxide(CAT) were measured,while tissue of kidney was observed by microscope. [Results] The content of BUN,Cr,TG and TC in diabetic rats was (21 85±1 85)mmol/L,(316±11)μmol/L,(3 34±0 4)mmol/L and (2 02±0 32)mmol/L,respectively much higher than the corresponding value (5 47±0 46)mmol/L,(78±2)μmmol/L,(1 13±0 13)mmol/L and (1 54±0 01)mmol/L in control group The activities of CAT (129 18±7 6)U was lower than that of the control group (226 61±11 4)U. Differences were significant. However,in preventive groups,the blood lever of BUN,Cr,TG and TC were (13 2±0 2)mmol/L,(217 3±13 5)mmol/L,(1 82±0 63)mmol/L and (1 17±0 08)mmol/L,much lower than those of the diabetic group. Contrarily,the activity of CAT was (17 5±1 65)U markedly higher than that in the diabetic group. Pathological examination of kidney showed that diabetic rats enlarged glomerula,thickened basement membrane. Compared with the diabetic rats,glomerular enlargements of trial groups were inhibited in some degree. [Conclusion] TP has protective effects on kidney of diabetic rats to some degree.

[目的 ]探讨茶多酚对糖尿病并发症的保护作用及其机制。 [方法 ]链脲佐菌素 (STZ)诱发的糖尿病大鼠用茶多酚干预后 ,检测血清尿素氮 (BUN) ,肌酐 (CR) ,甘油三酯 (TG) ,胆固醇 (TC)及过氧化氢酶 (CAT) ,同时做肾脏病理检测。 [结果 ]与阴性对照组比较 ,糖尿病组大鼠血清尿素氮、肌酐、甘油三酯、胆固醇分别为 ( 2 1 85± 1 85 )mmol/L ,( 3 16±11) μmol/L ,( 3 3 4± 0 4)mmol/L和 ( 2 0 2± 0 3 2 )mmol/L ,明显高于对照组的 ( 5 47± 0 46)mmol/L ,( 78± 2 ) μmmol/L ,( 1 13±0 13 )mmol/L和 ( 1 5 4± 0 0 1)mmol/L。过氧化氢酶活性 ( 12 9 18± 7 6)U低于对照组的 ( 2 2 6 61± 11 4)U ,差异具有显著性 ;糖尿病 +茶多酚组的血清尿素氮、肌酐、甘油三酯及胆固醇含量分别为 ( 13 2± 0 2 )mmol/L ,( 2 17 3± 13 5 )mmol/L ,( 1 82± 0 6...

[目的 ]探讨茶多酚对糖尿病并发症的保护作用及其机制。 [方法 ]链脲佐菌素 (STZ)诱发的糖尿病大鼠用茶多酚干预后 ,检测血清尿素氮 (BUN) ,肌酐 (CR) ,甘油三酯 (TG) ,胆固醇 (TC)及过氧化氢酶 (CAT) ,同时做肾脏病理检测。 [结果 ]与阴性对照组比较 ,糖尿病组大鼠血清尿素氮、肌酐、甘油三酯、胆固醇分别为 ( 2 1 85± 1 85 )mmol/L ,( 3 16±11) μmol/L ,( 3 3 4± 0 4)mmol/L和 ( 2 0 2± 0 3 2 )mmol/L ,明显高于对照组的 ( 5 47± 0 46)mmol/L ,( 78± 2 ) μmmol/L ,( 1 13±0 13 )mmol/L和 ( 1 5 4± 0 0 1)mmol/L。过氧化氢酶活性 ( 12 9 18± 7 6)U低于对照组的 ( 2 2 6 61± 11 4)U ,差异具有显著性 ;糖尿病 +茶多酚组的血清尿素氮、肌酐、甘油三酯及胆固醇含量分别为 ( 13 2± 0 2 )mmol/L ,( 2 17 3± 13 5 )mmol/L ,( 1 82± 0 63 )mmol/L和 ( 1 17± 0 0 8)mmol/L ,较糖尿病组明显降低 ,而过氧化氢酶活性为 ( 175± 1 65 )U ,较糖尿病明显升高。肾脏病理学显示 :糖尿病所致肾损伤主要表现为肾小球肥大 ,肾小球基底膜增厚 ,并伴有间质轻度炎症反应 ,糖尿病+茶多酚组肾小球结构较糖尿病组完整且清楚 ,肾小球轻度肥大。 [结论 ]茶多酚对糖尿病所致机体损伤有一定的保护作用

In HAc-NH 4Acbuffer medium, the indigocarmine can be oxidated by Catalase-hydrogen peroxides. The glucose in human Serum has been determined by the reaction combining with catalytic reaction of glucose oxidize with satisfactory results.

在HAc -NH4Ac缓冲体系中 ,过氧化氢酶可催化过氧化氢氧化靛蓝胭脂红褪色 ,过氧化氢浓度在 0— 0 .6 μg/ml范围内与ΔA值成线性 ,工作曲线的相关系数为 0 .9976 ,测定 0 .4 μgH2 O2 回收率为 10 0 .8% ,将此体系与葡萄糖氧化酶催化反应联用 ,测定了人血清中的葡萄糖含量 ,结果满意。

 
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