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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(jià)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(biāo)準(zhǔn)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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