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        人胃泌素抑制肽(GIP)酶聯(lián)免疫吸附檢測試劑盒
        ELK1580
        規(guī)格: 價格:
        48T ¥1960.00
        96T ¥2800.00

        Overview

        Product name: Human GIP(Gastric Inhibitory Polypeptide) ELISA Kit
        Reactivity: Human
        Alternative Names: Incretin hormone;? Glucose Dependent Insulinotropic Peptide
        Assay Type: Competitive Inhibition
        Sensitivity: 23.9 pg/mL
        Standard: 5000 pg/mL
        Detection Range: 78.13-5000 pg/mL
        Sample Type: serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
        Assay Length: 2h
        Research Area: Endocrinology;Gastroenterology;Hormone metabolism;
        Uniprot ID: P09681
        Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Human GIP protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human GIP. 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 GIP 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
        5000.00 0.211
        2500.00 0.352
        1250.00 0.557
        625.00 0.861
        312.50 1.152
        156.25 1.511
        78.13 1.755
        0.00 2.132

        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 GIP and the recovery rates were calculated by comparing the measured value to the expected amount of GIP in samples.
        Matrix Recovery range Average
        serum(n=5) 90-105% 97%
        EDTA plasma(n=5) 85-97% 91%
        Heparin plasma(n=5) 96-107% 101%

        線性

        The linearity of the kit was assayed by testing samples spiked with appropriate concentration of GIP 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) 79-85% 87-96% 82-95% 89-103%
        EDTA plasma(n=5) 95-102% 96-104% 87-98% 95-107%
        Heparin plasma(n=5) 82-94% 85-96% 78-90% 91-99%
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