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人2,3-二磷酸甘油酸(2,3-DPG)酶联免疫吸附检测试剂盒
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ELK0778
规格: 价格:
48T ¥1960.00
96T ¥2800.00
96T*5 ¥11900.00

Overview

产品名称: Human 2,3-DPG(2,3-Diphosphoglycerate) ELISA Kit
反应性: Human
别名: 2,3DPG
反应类型: Sandwich
灵敏度: 0.14 µmol/mL
标准品: 20 µmol/mL
检测范围: 0.32-20 µmol/mL
样本类型: Serum, plasma, tissue homogenates, cell lysates and other biological fluids
反应时长: 3.5h
研究领域: Metabolic pathway
检测原理: The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Human 2,3-DPG. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human 2,3-DPG. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Human 2,3-DPG, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. 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 Human 2,3-DPG in the samples is then determined by comparing the OD of the samples to the standard curve.

标准曲线

Concentration (µmol/mL) OD Corrected OD
20.00 2.154 2.059
10.00 1.587 1.492
5.00 1.184 1.089
2.50 0.866 0.771
1.25 0.519 0.424
0.63 0.336 0.241
0.32 0.190 0.095
0.00 0.095 0.000

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2,3-DPG, 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) 80-92% 86%
Heparin 血浆(n=5) 88-102% 95%

线性

将添加有2,3-DPG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) 85-97% 90-99% 82-101% 93-105%
EDTA 血浆(n=5) 85-97% 87-96% 82-95% 92-105%
Heparin 血浆(n=5) 87-96% 92-105% 89-102% 92-101%
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