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        人上皮型鈣黏蛋白(E-Cad)酶聯(lián)免疫吸附檢測試劑盒
        ELK1006
        規(guī)格: 價格:
        48T ¥1680.00
        96T ¥2400.00

        Overview

        Product name: Human E-Cad(E-Cadherin) ELISA Kit
        Reactivity: Human
        Alternative Names: CD324; CDH1; Arc1; ECAD; CDH-E; E-CAD; LCAM; UVO; Cadherin 1 Type 1; Uvomorulin; E-Cadherin; Calcium-Dependent Adhesion Protein, Epithelial; Liver Cell Adhesion Molecule; Cadherin, Epithelial
        Assay Type: Sandwich
        Sensitivity: 25.1 pg/mL
        Standard: 4000 pg/mL
        Detection Range: 62.5-4000 pg/mL
        Sample Type: serum, plasma, urine, tissue homogenates and other biological fluids
        Assay Length: 3.5h
        Research Area: CD & Adhesion molecule;Tumor immunity;
        Uniprot ID: P12830
        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 Human E-Cad. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human E-Cad. 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 Human E-Cad, 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 Human E-Cad in the samples is then determined by comparing the OD of the samples to the standard curve.

        標準曲線

        Concentration (pg/mL) OD Corrected OD
        4000.00 2.201 2.076
        2000.00 1.717 1.592
        1000.00 1.251 1.126
        500.00 0.806 0.681
        250.00 0.539 0.414
        125.00 0.364 0.239
        62.50 0.258 0.133
        0.00 0.125 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 E-Cad and the recovery rates were calculated by comparing the measured value to the expected amount of E-Cad in samples.
        Matrix Recovery range Average
        serum(n=5) 85-97% 91%
        EDTA plasma(n=5) 95-107% 101%
        Heparin plasma(n=5) 82-95% 88%

        線性

        The linearity of the kit was assayed by testing samples spiked with appropriate concentration of E-Cad 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% 96-104% 87-98% 95-107%
        EDTA plasma(n=5) 87-97% 86-92% 89-103% 89-98%
        Heparin plasma(n=5) 79-85% 87-96% 82-95% 89-103%
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