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        大鼠神經(jīng)肽S(NPS)酶聯(lián)免疫吸附檢測試劑盒
        ELK1656
        規(guī)格: 價格:
        48T ¥1960.00
        96T ¥2800.00

        Overview

        Product name: Rat NPS(Neuropeptide S) ELISA Kit
        Reactivity: Rat
        Alternative Names: NP-S
        Assay Type: Competitive Inhibition
        Sensitivity: 4.73 pg/mL
        Standard: 1000 pg/mL
        Detection Range: 15.63-1000 pg/mL
        Sample Type: Serum, plasma and other biological fluids
        Assay Length: 2h
        Research Area: Neuro science;Hormone metabolism;
        Uniprot ID: P0C0P7
        Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Rat NPS protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat NPS. 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 Rat NPS in the samples is then determined by comparing the OD of the samples to the standard curve.

        標準曲線

        Concentration (pg/mL) OD Corrected OD
        1000.00 0.217
        500.00 0.479
        250.00 0.786
        125.00 0.967
        62.50 1.236
        31.25 1.579
        15.63 1.863
        0.00 2.232

        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 NPS and the recovery rates were calculated by comparing the measured value to the expected amount of NPS in samples.
        Matrix Recovery range Average
        serum(n=5) 94-105% 98%
        EDTA plasma(n=5) 82-94% 88%
        Heparin plasma(n=5) 83-99% 95%

        線性

        The linearity of the kit was assayed by testing samples spiked with appropriate concentration of NPS 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) 87-101% 95-103% 97-105% 88-97%
        EDTA plasma(n=5) 83-95% 85-96% 87-101% 83-95%
        Heparin plasma(n=5) 85-97% 87-96% 82-95% 92-105%
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