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        一步法人游離三碘甲狀腺原氨酸(T3)酶聯(lián)免疫吸附檢測(cè)試劑盒
        ELK048ES
        規(guī)格: 價(jià)格:
        48T ¥2240.00
        96T ¥3200.00

        Overview

        Product name: EasyStep Human fT3(Free Triiodothyronine) ELISA Kit
        Reactivity: Human
        Alternative Names: 3,3',5-Triiodo-L-Thyronine; Liothyronine; Cytomel; Tertroxin
        Assay Type: Competitive Inhibition
        Sensitivity: 0.31 ng/mL
        Standard: 20 ng/mL
        Detection Range: 0.32-20 ng/mL
        Sample Type: Serum, plasma
        Assay Length: 1.5h
        Research Area: Endocrinology;Autoimmunity;
        Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Human fT3 antigen, and the Human fT3 standard plate wells that pre-coated using protein-related techniques are provided separately. Standard/Sample Diluent Buffer or samples are added to the appropriate microtiter plate wells ,then added a HRP-conjugated antibody specific to Human fT3 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 fT3 in the samples is then determined by comparing the OD of the samples to the standard curve.

        標(biāo)準(zhǔn)曲線(xiàn)

        Concentration (ng/mL) OD Corrected OD
        20.00 0.183
        10.00 0.332
        5.00 0.596
        2.50 0.823
        1.25 1.112
        0.63 1.592
        0.32 1.624
        0.00 2.112

        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 fT3 and the recovery rates were calculated by comparing the measured value to the expected amount of fT3 in samples.
        Matrix Recovery range Average
        serum(n=5) 81-95% 88%
        EDTA plasma(n=5) 90-105% 97%
        Heparin plasma(n=5) 85-97% 91%

        線(xiàn)性

        The linearity of the kit was assayed by testing samples spiked with appropriate concentration of fT3 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) 85-97% 93-106% 83-95% 88-103%
        EDTA plasma(n=5) 95-103% 88-96% 81-95% 91-102%
        Heparin plasma(n=5) 86-93% 91-105% 87-99% 99-105%

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