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            大鼠中性粒細(xì)胞彈性蛋白酶(ELA2)酶聯(lián)免疫吸附檢測試劑盒
            ELK1521
            規(guī)格: 價(jià)格:
            48T ¥1960.00
            96T ¥2800.00

            Overview

            Product name: Rat ELA2(Elastase 2, Neutrophil) ELISA Kit
            Reactivity: Rat
            Alternative Names: ELANE; HLE; HNE; NE; PMN-E; Neutrophil Elastase; Medullasin; Polymorphonuclear Leukocyte Elastase; Bone Marrow Serine Protease; Human Leukocyte Elastase; PMN Elastase
            Assay Type: Sandwich
            Sensitivity: 0.62 ng/mL
            Standard: 100 ng/mL
            Detection Range: 1.57-100 ng/mL
            Sample Type: serum, plasma and other biological fluids
            Assay Length: 3.5h
            Research Area: Enzyme & Kinase;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 Rat ELA2. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat ELA2. 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 Rat ELA2, 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 Rat ELA2 in the samples is then determined by comparing the OD of the samples to the standard curve.

            標(biāo)準(zhǔn)曲線

            Concentration (ng/mL) OD Corrected OD
            100.00 2.164 2.067
            50.00 1.699 1.602
            25.00 1.223 1.126
            12.50 0.847 0.750
            6.25 0.543 0.446
            3.13 0.388 0.291
            1.57 0.248 0.151
            0.00 0.097 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 ELA2 and the recovery rates were calculated by comparing the measured value to the expected amount of ELA2 in samples.
            Matrix Recovery range Average
            serum(n=5) 80-92% 86%
            EDTA plasma(n=5) 78-95% 86%
            Heparin plasma(n=5) 80-96% 88%

            線性

            The linearity of the kit was assayed by testing samples spiked with appropriate concentration of ELA2 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) 92-104% 82-96% 95-102% 87-98%
            EDTA plasma(n=5) 78-92% 83-96% 95-107% 87-102%
            Heparin plasma(n=5) 87-98% 92-104% 82-96% 95-102%
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