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

    Overview 文獻

    Product name: Human GPX3(Glutathione Peroxidase 3, Plasma) ELISA Kit
    Reactivity: Human
    Alternative Names: GSHPX3; GPx-P; GSHPx-P; GPXP; Plasma glutathione peroxidase; Extracellular glutathione peroxidase
    Assay Type: Sandwich
    Sensitivity: 0.62 ng/mL
    Standard: 100 ng/mL
    Detection Range: 1.57-100 ng/mL
    Sample Type: Serum, plasma, breast milk and other biological fluids
    Assay Length: 3.5h
    Research Area: Enzyme & Kinase;
    Uniprot ID: P22352
    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 GPX3. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human GPX3. 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 GPX3, 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 GPX3 in the samples is then determined by comparing the OD of the samples to the standard curve.


    Concentration (ng/mL) OD Corrected OD
    100.00 1.961 1.880
    50.00 1.593 1.512
    25.00 1.127 1.046
    12.50 0.869 0.788
    6.25 0.539 0.458
    3.13 0.342 0.261
    1.57 0.190 0.109
    0.00 0.081 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 GPX3 and the recovery rates were calculated by comparing the measured value to the expected amount of GPX3 in samples.
    Matrix Recovery range Average
    serum(n=5) 82-98% 90%
    EDTA plasma(n=5) 80-97% 88%
    Heparin plasma(n=5) 82-94% 88%


    The linearity of the kit was assayed by testing samples spiked with appropriate concentration of GPX3 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) 95-102% 93-101% 97-105% 95-103%
    EDTA plasma(n=5) 88-97% 86-92% 81-93% 89-105%
    Heparin plasma(n=5) 85-94% 79-96% 92-101% 83-90%


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