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            綿羊皮質(zhì)醇(Cor)酶聯(lián)免疫吸附檢測(cè)試劑盒
            ELK8817
            規(guī)格: 價(jià)格:
            48T ¥2240.00
            96T ¥3200.00

            Overview 文獻(xiàn)

            Product name: Sheep Cor(Cortisol) ELISA Kit
            Reactivity: Sheep
            Alternative Names: Hydrocortisone
            Assay Type: Competitive Inhibition
            Sensitivity: 0.93 ng/mL
            Standard: 200 ng/mL
            Detection Range: 3.13-200 ng/mL
            Sample Type: serum, plasma, urine and other biological fluids
            Assay Length: 2h
            Research Area: Metabolic pathway;Endocrinology;Hormone metabolism;
            Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Sheep Cor protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Sheep Cor. 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 Sheep Cor in the samples is then determined by comparing the OD of the samples to the standard curve.

            標(biāo)準(zhǔn)曲線

            Concentration (ng/mL) OD Corrected OD
            200.00 0.182
            100.00 0.336
            50.00 0.557
            25.00 0.993
            12.50 1.139
            6.25 1.596
            3.13 1.871
            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 Cor and the recovery rates were calculated by comparing the measured value to the expected amount of Cor in samples.
            Matrix Recovery range Average
            serum(n=5) 86-99% 92%
            EDTA plasma(n=5) 82-97% 89%
            Heparin plasma(n=5) 80-95% 93%

            線性

            The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Cor 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) 84-99% 83-101% 93-102% 91-105%
            EDTA plasma(n=5) 86-105% 84-98% 95-102% 88-106%
            Heparin plasma(n=5) 93-102% 97-103% 91-99% 90-98%
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