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

    Overview 文獻

    Product name: Human TMAO(Trimethylamine-N-oxide) ELISA Kit
    Reactivity: Human
    Alternative Names: TMAO
    Assay Type: Sandwich
    Sensitivity: 0.065 μmol/L
    Standard: 10 μmol/L
    Detection Range: 0.16-10 μmol/L
    Sample Type: serum, plasma, cell lysates, cell culture supernates and other biological fluids
    Assay Length: 3.5h
    Research Area: Immunology;Innate Immunity;Complement;Alternative Pathway, Immunology;Innate Immunity;Complement;Other
    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 TMAO. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human TMAO. 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 TMAO, 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 TMAO in the samples is then determined by comparing the OD of the samples to the standard curve.


    Concentration (μmol/L) OD Corrected OD
    10.00 2.256 2.168
    5.00 1.628 1.540
    2.50 1.216 1.128
    1.25 0.752 0.664
    0.63 0.509 0.421
    0.32 0.265 0.177
    0.16 0.196 0.108
    0.00 0.088 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 TMAO and the recovery rates were calculated by comparing the measured value to the expected amount of TMAO in samples.
    Matrix Recovery range Average
    serum(n=5) 83-97% 90%
    EDTA plasma(n=5) 87-95% 91%
    Heparin plasma(n=5) 81-95% 88%


    The linearity of the kit was assayed by testing samples spiked with appropriate concentration of TMAO 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) 88-97% 86-92% 81-93% 93-104%
    EDTA plasma(n=5) 87-94% 91-104% 95-107% 82-96%
    Heparin plasma(n=5) 81-94% 93-107% 93-102% 91-105%


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