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鸡硫代巴比妥酸反应物(TBARS)酶联免疫吸附检测试剂盒
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ELK11258
规格: 价格:
48T ¥1960.00
96T ¥2800.00
96T*5 ¥11900.00

Overview

产品名称: Chicken TBARS(Thiobarbituric Acid Reactive Substance) ELISA Kit
反应性: Chicken
别名: TBARS; Thiobarbituric Acid Reactive Substance
反应类型: Competitive Inhibition
灵敏度: 3.56 nmol/mL
标准品: 400 nmol/mL
检测范围: 6.25-400 nmol/mL
样本类型: Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
反应时长: 2h
研究领域: Metabolic pathway;Hepatology;Hormone metabolism;
检测原理: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Chicken TBARS. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Chicken TBARS. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Chicken TBARS in the samples is then determined by comparing the OD of the samples to the standard curve.

标准曲线

Concentration (nmol/mL) OD Corrected OD
400.00 0.193
200.00 0.396
100.00 0.711
50.00 0.933
25.00 1.157
12.50 1.511
6.25 1.624
0.00 2.123

精密度

板内精密度(测定内的精密度):CV%<8%

三个已知浓度的样品分别在1个酶标板上测试20次,以评估分析板内精密度。

板间精密度(测定板间间精密度):CV%<10%

三个已知浓度的样品分别在3个不同的酶标板上测试40次,以评估分析板间的精密度。

回收率

分别往不同样本中添加已知浓度的TBARS, 做回收率实验,得出回收率范围和平均回收率
样本类型 回收率范围 平均回收率
血清(n=5) 90-105% 97%
EDTA 血浆(n=5) 86-99% 92%
Heparin 血浆(n=5) 86-99% 92%

线性

将添加有TBARS的样本分别稀释2倍,4倍,8倍,16倍做回收实验,得出回收率范围
样本类型 1:2 1:4 1:8 1:16
血清(n=5) 95-106% 87-96% 82-90% 92-101%
EDTA 血浆(n=5) 95-102% 98-106% 87-98% 91-102%
Heparin 血浆(n=5) 81-96% 87-98% 92-103% 88-97%
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