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            小鼠防御素β2(DEFb2)酶聯(lián)免疫吸附檢測試劑盒
            ELK2863
            規(guī)格: 價格:
            48T ¥1960.00
            96T ¥2800.00

            Overview 文獻

            Product name: Mouse DEFb2(Defensin Beta 2) ELISA Kit
            Reactivity: Mouse
            Alternative Names: B-DF2; DEFB2; BD2; DEF-B2; HBD2; DEFB102; HBD-2; SAP1; DEFB4A; DEFB4; Skin-Antimicrobial Peptide 1
            Assay Type: Sandwich
            Sensitivity: 5.7 pg/mL
            Standard: 1000 pg/mL
            Detection Range: 15.63-1000 pg/mL
            Sample Type: serum, plasma, tissue homogenates, cell lysates and other biological fluids
            Assay Length: 3.5h
            Research Area: Infection immunity;
            Uniprot ID: P82020
            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 Mouse DEFb2. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Mouse DEFb2. 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 Mouse DEFb2, 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 Mouse DEFb2 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 1.984 1.888
            500.00 1.700 1.604
            250.00 1.146 1.050
            125.00 0.756 0.660
            62.50 0.567 0.471
            31.25 0.302 0.206
            15.63 0.235 0.139
            0.00 0.096 0.000

            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 DEFb2 and the recovery rates were calculated by comparing the measured value to the expected amount of DEFb2 in samples.
            Matrix Recovery range Average
            serum(n=5) 81-97% 89%
            EDTA plasma(n=5) 85-99% 92%
            Heparin plasma(n=5) 90-105% 97%

            線性

            The linearity of the kit was assayed by testing samples spiked with appropriate concentration of DEFb2 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) 79-94% 87-96% 85-98% 95-104%
            EDTA plasma(n=5) 85-92% 90-96% 79-102% 83-99%
            Heparin plasma(n=5) 88-102% 86-92% 81-93% 79-87%
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