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            人M2-型丙酮酸激酶(PKM2)酶聯(lián)免疫吸附檢測試劑盒
            ELK1514
            規(guī)格: 價(jià)格:
            48T ¥1960.00
            96T ¥2800.00

            Overview

            Product name: Human PKM2(Pyruvate Kinase, Muscle) ELISA Kit
            Reactivity: Human
            Alternative Names: M2PK; PKM; M2-PK; PKM1; CTHBP; OIP3; PK3; PKM; TCB; THBP1; Pyruvate kinase muscle isozyme; Thyroid hormone-binding protein 1; Cytosolic thyroid hormone-binding protein
            Assay Type: Sandwich
            Sensitivity: 30 pg/mL
            Standard: 5000 pg/mL
            Detection Range: 78.13-5000 pg/mL
            Sample Type: serum, plasma, tissue homogenates and other biological fluids
            Assay Length: 3.5h
            Research Area: Enzyme & Kinase;Tumor immunity;
            Uniprot ID: P14618
            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 PKM2. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human PKM2. 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 PKM2, 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 PKM2 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 1.919 1.818
            2500.00 1.542 1.441
            1250.00 1.285 1.184
            625.00 0.958 0.857
            312.50 0.602 0.501
            156.25 0.324 0.223
            78.13 0.211 0.110
            0.00 0.101 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 PKM2 and the recovery rates were calculated by comparing the measured value to the expected amount of PKM2 in samples.
            Matrix Recovery range Average
            serum(n=5) 82-95% 88%
            EDTA plasma(n=5) 94-105% 98%
            Heparin plasma(n=5) 94-107% 100%

            線性

            The linearity of the kit was assayed by testing samples spiked with appropriate concentration of PKM2 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) 92-106% 93-105% 85-99% 90-99%
            EDTA plasma(n=5) 95-106% 87-101% 82-97% 87-102%
            Heparin plasma(n=5) 81-94% 93-107% 93-102% 91-105%
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