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人磷酸二酯酶4A(PDE4A)酶联免疫吸附检测试剂盒
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ELK0902
规格: 价格:
48T ¥1960.00
96T ¥2800.00
96T*5 ¥11900.00

Overview

产品名称: Human PDE4A(Phosphodiesterase 4A, cAMP Specific) ELISA Kit
反应性: Human
别名: PDE4; DPDE2; PDE46
反应类型: Sandwich
灵敏度: 26.7 pg/mL
标准品: 4000 pg/mL
检测范围: 62.5-4000 pg/mL
样本类型: Serum, plasma, tissue homogenates and other biological fluids.
反应时长: 3.5h
研究领域: Enzyme & Kinase;
Uniprot ID: P27815
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 PDE4A. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human PDE4A. 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 PDE4A, 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 PDE4A in the samples is then determined by comparing the OD of the samples to the standard curve.

标准曲线

Concentration (pg/mL) OD Corrected OD
4000.00 1.979 1.881
2000.00 1.562 1.464
1000.00 1.106 1.008
500.00 0.835 0.737
250.00 0.522 0.424
125.00 0.301 0.203
62.50 0.226 0.128
0.00 0.098 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PDE4A, 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) 87-99% 93%
EDTA 血浆(n=5) 80-95% 87%
Heparin 血浆(n=5) 82-95% 88%

线性

将添加有PDE4A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) 97-106% 86-92% 91-103% 89-97%
EDTA 血浆(n=5) 85-94% 97-106% 89-97% 95-104%
Heparin 血浆(n=5) 85-92% 96-103% 87-98% 95-102%
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