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        人8-羥基脫氧鳥(niǎo)苷(8-OHdG)酶聯(lián)免疫吸附檢測(cè)試劑盒
        ELK8533
        規(guī)格: 價(jià)格:
        48T ¥2240.00
        96T ¥3200.00

        Overview 文獻(xiàn)

        Product name: Human 8-OHdG(DNA Damage) ELISA Kit
        Reactivity: Human
        Alternative Names: 8OHdG; 7,8-Dihydro-8-Oxo-2'-Deoxyguanosine; 7,8-Dihydro-8-Oxodeoxyguanosine; 8-Hydroxy-2'-Deoxyguanosine; 8-Oxo-DG; 8-Hydroxydeoxyguanosine
        Assay Type: Competitive Inhibition
        Sensitivity: 26.29 pg/mL
        Standard: 6000 pg/mL
        Detection Range: 93.75-6000 pg/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 Human 8-OHdG protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human 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 Human 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 (pg/mL) OD Corrected OD
        6000.00 0.191
        3000.00 0.367
        1500.00 0.596
        750.00 0.861
        375.00 1.157
        187.50 1.585
        93.75 1.775
        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 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) 95-107% 101%
        EDTA plasma(n=5) 80-93% 86%
        Heparin plasma(n=5) 94-105% 87%

        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) 92-101% 87-98% 85-94% 87-101%
        EDTA plasma(n=5) 86-94% 93-102% 87-96% 92-105%
        Heparin plasma(n=5) 88-102% 87-101% 85-95% 85-96%
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