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环磷酸鸟苷(cGMP)酶联免疫吸附检测试剂盒
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ELK8144
规格: 价格:
48T ¥1680.00
96T ¥2400.00

Overview 文献(2)

Product name: cGMP(Cyclic Guanosine Monophosphate) ELISA Kit
Reactivity: General
Alternative Names: c-GMP; 3',5'-Cyclic GMP; Cyclic 3',5'-GMP; Guanosine 3',5'-Cyclic Phosphate
Assay Type: Competitive Inhibition
Sensitivity: 43.8 pg/mL
Standard: 10000 pg/mL
Detection Range: 156.25-10000 pg/mL
Sample type: serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay length: 2h
Research Area: Signal transduction;Metabolic pathway;
Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with cGMP. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to cGMP. 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 cGMP 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
10000.00 0.197
5000.00 0.385
2500.00 0.596
1250.00 0.878
625.00 1.112
312.50 1.583
156.25 1.624
0.00 2.256

精密度

Intra-assay Precision (Precision within an assay):CV%<8%

Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.

Inter-assay Precision (Precision between assays):CV%<10%

Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.

回收率

Matrices listed below were spiked with certain level of recombinant cGMP and the recovery rates were calculated by comparing the measured value to the expected amount of cGMP in samples.
Matrix Recovery range Average
serum(n=5) 85-97% 91%
EDTA plasma(n=5) 92-105% 98%
Heparin plasma(n=5) 82-95% 88%

线性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of cGMP and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Matrix 1:2 1:4 1:8 1:16
serum(n=5) 88-101% 86-92% 85-93% 89-97%
EDTA plasma(n=5) 85-94% 87-96% 79-95% 95-102%
Heparin plasma(n=5) 80-92% 83-97% 81-103% 89-101%
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