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        人Ⅰ型膠原α2(COL1a2)酶聯(lián)免疫吸附檢測試劑盒
        ELK1985
        規(guī)格: 價格:
        48T ¥1960.00
        96T ¥2800.00

        Overview

        Product name: Human COL1a2(Collagen Type I Alpha 2) ELISA Kit
        Reactivity: Human
        Alternative Names: COL1-A2; OI4; Collagen Alpha-2(I)chain; osteogenesis imperfecta type IV; Collagen Of Skin,Tendon And bone,Alpha-2 Chain
        Assay Type: Sandwich
        Sensitivity: 6.3 pg/mL
        Standard: 1000 pg/mL
        Detection Range: 15.63-1000 pg/mL
        Sample Type: Serum, plasma, tissue homogenates and other biological fluids
        Assay Length: 3.5h
        Research Area: Metabolic pathway;Bone metabolism;
        Uniprot ID: P08123
        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 COL1a2. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human COL1a2. 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 COL1a2, 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 COL1a2 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
        1000.00 2.354 2.271
        500.00 1.790 1.707
        250.00 1.128 1.045
        125.00 0.839 0.756
        62.50 0.513 0.430
        31.25 0.313 0.230
        15.63 0.235 0.152
        0.00 0.083 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 COL1a2 and the recovery rates were calculated by comparing the measured value to the expected amount of COL1a2 in samples.
        Matrix Recovery range Average
        serum(n=5) 83-95% 89%
        EDTA plasma(n=5) 77-95% 86%
        Heparin plasma(n=5) 85-97% 91%

        線性

        The linearity of the kit was assayed by testing samples spiked with appropriate concentration of COL1a2 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) 86-93% 91-105% 87-98% 99-102%
        EDTA plasma(n=5) 89-102% 82-94% 85-96% 78-90%
        Heparin plasma(n=5) 92-106% 93-105% 85-99% 90-99%
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