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        人促腎上皮質激素釋放激素(CRH)酶聯免疫吸附檢測試劑盒
        ELK2411
        規(guī)格: 價格:
        48T ¥1960.00
        96T ¥2800.00

        Overview 文獻

        Product name: Human CRH(Corticotropin Releasing Hormone) ELISA Kit
        Reactivity: Human
        Alternative Names: CRF; Corticotropin Releasing Factor; Corticoliberin
        Assay Type: Competitive Inhibition
        Sensitivity: 4.91 pg/mL
        Standard: 1000 pg/mL
        Detection Range: 15.63-1000 pg/mL
        Sample Type: serum, plasma and other biological fluids
        Assay Length: 2h
        Research Area: Endocrinology;Cardiovascular biology;Neuro science;Hormone metabolism;Urology;
        Uniprot ID: P06850
        Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Human CRH protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human CRH. 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 CRH 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 0.189
        500.00 0.357
        250.00 0.575
        125.00 0.878
        62.50 1.169
        31.25 1.537
        15.63 1.793
        0.00 2.226

        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 CRH and the recovery rates were calculated by comparing the measured value to the expected amount of CRH in samples.
        Matrix Recovery range Average
        serum(n=5) 90-105% 97%
        EDTA plasma(n=5) 88-102% 95%
        Heparin plasma(n=5) 80-92% 86%

        線性

        The linearity of the kit was assayed by testing samples spiked with appropriate concentration of CRH 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) 85-101% 79-96% 90-98% 92-101%
        EDTA plasma(n=5) 85-92% 89-96% 79-98% 81-92%
        Heparin plasma(n=5) 88-95% 82-94% 85-96% 78-90%
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