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            去甲腎上腺素(NE)酶聯(lián)免疫吸附檢測(cè)試劑盒
            ELK7885
            規(guī)格: 價(jià)格:
            48T ¥1680.00
            96T ¥2400.00

            Overview 文獻(xiàn)

            Product name: NE(Noradrenaline) ELISA Kit
            Reactivity: General
            Alternative Names: NA; NAd; Norepinephrine; Norepi
            Assay Type: Competitive Inhibition
            Sensitivity: 26.1 pg/mL
            Standard: 5000 pg/mL
            Detection Range: 78.13-5000 pg/mL
            Sample Type: serum, plasma, cell lysates, cell culture supernates and other biological fluids
            Assay Length: 2h
            Research Area: Signal transduction;Infection immunity;Neuro science;Hormone metabolism;
            Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with NE protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to NE. 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 NE in the samples is then determined by comparing the OD of the samples to the standard curve.

            標(biāo)準(zhǔn)曲線

            Concentration (pg/mL) OD Corrected OD
            5000.00 0.189
            2500.00 0.396
            1250.00 0.557
            625.00 0.857
            312.50 1.152
            156.25 1.565
            78.13 1.793
            0.00 2.226

            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 NE and the recovery rates were calculated by comparing the measured value to the expected amount of NE in samples.
            Matrix Recovery range Average
            serum(n=5) 82-97% 89%
            EDTA plasma(n=5) 84-93% 87%
            Heparin plasma(n=5) 95-108% 85%

            線性

            The linearity of the kit was assayed by testing samples spiked with appropriate concentration of NE 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) 85-92% 83-96% 87-101% 82-97%
            EDTA plasma(n=5) 88-103% 83-94% 92-105% 89-97%
            Heparin plasma(n=5) 79-93% 87-98% 91-102% 86-102%
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