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大鼠8-羥基脫氧鳥苷(8-OHdG)酶聯(lián)免疫吸附檢測(cè)試劑盒
ELK10967
規(guī)格: 價(jià)格:
48T ¥2240.00
96T ¥3200.00

Overview 文獻(xiàn)

Product name: Rat 8-OHdG(8-Hydroxydeoxyguanosine) ELISA Kit
Reactivity: Rat
Alternative Names: 8OHdG; 7,8-Dihydro-8-Oxo-2'-Deoxyguanosine; 7,8-Dihydro-8-Oxodeoxyguanosine; 8-Hydroxy-2'-Deoxyguanosine; 8-Oxo-DG; 7,8-dihydrodeoxyguanosine
Assay Type: Competitive Inhibition
Sensitivity: 0.46 ng/mL
Standard: 100 ng/mL
Detection Range: 1.56-100 ng/mL
Sample Type: serum, plasma and other biological fluids
Assay Length: 2h
Research Area: Metabolic pathway;Tumor immunity;Infection immunity;Endocrinology;Hematology;Hepatology;
Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Rat 8-OHdG. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat 8-OHdG. 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 Rat 8-OHdG in the samples is then determined by comparing the OD of the samples to the standard curve.

標(biāo)準(zhǔn)曲線

Concentration (ng/mL) OD Corrected OD
100.00 0.189
50.00 0.332
25.00 0.621
12.50 0.897
6.25 1.253
3.13 1.583
1.57 1.761
0.00 2.211

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 8-OHdG and the recovery rates were calculated by comparing the measured value to the expected amount of 8-OHdG in samples.
Matrix Recovery range Average
serum(n=5) 78-92% 85%
EDTA plasma(n=5) 87-99% 93%
Heparin plasma(n=5) 80-95% 97%

線性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of 8-OHdG 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) 81-94% 96-105% 88-106% 93-102%
EDTA plasma(n=5) 95-104% 97-106% 85-98% 81-92%
Heparin plasma(n=5) 95-106% 87-105% 92-101% 79-90%
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