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    規格: 價格:
    48T ¥1960.00
    96T ¥2800.00

    Overview 文獻

    Product name: Human IL35(Interleukin 35) ELISA Kit
    Reactivity: Human
    Alternative Names: IL-35; CLMF p35; Cytotoxic lymphocyte maturation factor 35 kDa subunit ; IL-12 subunit p35
    Assay Type: Sandwich
    Sensitivity: 5.8 pg/mL
    Standard: 1000 pg/mL
    Detection Range: 15.63-1000 pg/mL
    Sample Type: serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
    Assay Length: 3.5h
    Research Area: Cytokine;Tumor immunity;Infection immunity;
    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 IL35. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human IL35. 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 IL35, 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 IL35 in the samples is then determined by comparing the OD of the samples to the standard curve.


    Concentration (pg/mL) OD Corrected OD
    1000.00 2.027 1.926
    500.00 1.436 1.335
    250.00 0.947 0.846
    125.00 0.611 0.510
    62.50 0.180 0.079
    31.25 0.187 0.086
    15.63 0.215 0.114
    0.00 0.101 0.000


    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.


    Matrices listed below were spiked with certain level of recombinant IL35 and the recovery rates were calculated by comparing the measured value to the expected amount of IL35 in samples.
    Matrix Recovery range Average
    serum(n=5) 87-99% 93%
    EDTA plasma(n=5) 87-95% 91%
    Heparin plasma(n=5) 93-107% 100%


    The linearity of the kit was assayed by testing samples spiked with appropriate concentration of IL35 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) 88-101% 90-98% 92-106% 85-97%
    EDTA plasma(n=5) 95-104% 82-96% 92-103% 90-99%
    Heparin plasma(n=5) 88-97% 95-106% 83-98% 93-105%


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