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            小鼠分泌型免疫球蛋白A(sIgA)酶聯免疫吸附檢測試劑盒
            ELK1549
            規(guī)格: 價格:
            48T ¥1960.00
            96T ¥2800.00

            Overview

            Product name: Mouse sIgA(Secretory Immunoglobulin A) ELISA Kit
            Reactivity: Mouse
            Alternative Names: S-IgA
            Assay Type: Sandwich
            Sensitivity: 0.067 μg/mL
            Standard: 10 μg/mL
            Detection Range: 0.16-10 μg/mL
            Sample Type: serum, plasma, saliva and other biological fluids
            Assay Length: 3.5h
            Research Area: Infection immunity;Immune molecule;Reproductive science;Genetic science;Dermatology;Immunodeficiency;
            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 Mouse sIgA. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Mouse sIgA. 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 Mouse sIgA, 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 Mouse sIgA in the samples is then determined by comparing the OD of the samples to the standard curve.

            標準曲線

            Concentration (μg/mL) OD Corrected OD
            10.00 1.961 1.876
            5.00 1.587 1.502
            2.50 1.279 1.194
            1.25 0.845 0.760
            0.63 0.599 0.514
            0.32 0.354 0.269
            0.16 0.189 0.104
            0.00 0.085 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 sIgA and the recovery rates were calculated by comparing the measured value to the expected amount of sIgA in samples.
            Matrix Recovery range Average
            serum(n=5) 84-103% 96%
            EDTA plasma(n=5) 82-96% 87%
            Heparin plasma(n=5) 86-97% 92%

            線性

            The linearity of the kit was assayed by testing samples spiked with appropriate concentration of sIgA 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) 95-102% 98-106% 87-98% 91-102%
            EDTA plasma(n=5) 89-99% 88-104% 84-98% 95-105%
            Heparin plasma(n=5) 86-97% 83-96% 91-103% 96-105%
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