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孕酮(PG)酶聯免疫吸附檢測試劑盒
ELK7923
規格: 價格:
48T ¥1680.00
96T ¥2400.00

Overview 文獻

Product name: PG(Progesterone) ELISA Kit
Reactivity: General
Alternative Names: P4; Pregn-4-Ene-3,20-Dione
Assay Type: Competitive Inhibition
Sensitivity: 0.47 ng/mL
Standard: 100 ng/mL
Detection Range: 1.57-100 ng/mL
Sample Type: serum, plasma and other biological fluids
Assay Length: 2h
Research Area: Endocrinology;Reproductive science;Hormone metabolism;
Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with PG protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to PG. 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 PG in the samples is then determined by comparing the OD of the samples to the standard curve.

標準曲線

Concentration (ng/mL) OD Corrected OD
100.00 0.191
50.00 0.367
25.00 0.557
12.50 0.857
6.25 1.156
3.13 1.511
1.57 1.793
0.00 2.123

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 PG and the recovery rates were calculated by comparing the measured value to the expected amount of PG in samples.
Matrix Recovery range Average
serum(n=5) 86-97% 92%
EDTA plasma(n=5) 84-103% 96%
Heparin plasma(n=5) 82-96% 95%

線性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of PG 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) 89-97% 85-97% 87-101% 89-97%
EDTA plasma(n=5) 85-101% 84-98% 85-93% 86-98%
Heparin plasma(n=5) 85-94% 83-96% 95-102% 88-95%
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