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            大鼠干擾素α(IFNa)酶聯(lián)免疫吸附檢測試劑盒
            ELK1520
            規(guī)格: 價(jià)格:
            48T ¥1960.00
            96T ¥2800.00

            Overview

            Product name: Rat IFNa(Interferon Alpha) ELISA Kit
            Reactivity: Rat
            Alternative Names: IFNα1; IFL; LeIF D; IFN; IFN-Alpha; IFNα13; IFN-A; IFNαP22; IFN-Alpha 1b; Interferon Alpha 1b; Interferon, Leukocytic; IFN, Leukocyte; Interferon alpha-D
            Assay Type: Sandwich
            Sensitivity: 5.8 pg/mL
            Standard: 1000 pg/mL
            Detection Range: 15.63-1000 pg/mL
            Sample Type: Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
            Assay Length: 3.5h
            Research Area: Cytokine;Infection immunity;
            Uniprot ID: P05011
            Test principle: 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 Rat IFNa. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat IFNa. 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 Rat IFNa, 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 Rat IFNa 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
            1000.00 2.146 2.044
            500.00 1.625 1.523
            250.00 1.069 0.967
            125.00 0.812 0.710
            62.50 0.625 0.523
            31.25 0.385 0.283
            15.63 0.234 0.132
            0.00 0.102 0.000

            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 IFNa and the recovery rates were calculated by comparing the measured value to the expected amount of IFNa in samples.
            Matrix Recovery range Average
            serum(n=5) 78-92% 85%
            EDTA plasma(n=5) 80-95% 87%
            Heparin plasma(n=5) 78-96% 87%

            線性

            The linearity of the kit was assayed by testing samples spiked with appropriate concentration of IFNa 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) 87-96% 91-101% 87-98% 89-103%
            EDTA plasma(n=5) 86-97% 83-96% 91-103% 96-105%
            Heparin plasma(n=5) 79-91% 89-103% 82-95% 86-99%
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