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            人腸脂肪酸結(jié)合蛋白(IFABP/FABP2)酶聯(lián)免疫吸附檢測試劑盒
            ELK1264
            規(guī)格: 價格:
            48T ¥1680.00
            96T ¥2400.00

            Overview 文獻

            Product name: Human IFABP/FABP2(Intestinal Fatty Acid Binding Protein) ELISA Kit
            Reactivity: Human
            Alternative Names: FABPI; IFABP; I-FABP; Intestinal-type fatty acid-binding protein; FABP2; Fatty Acid Binding Protein 2, Intestinal
            Assay Type: Sandwich
            Sensitivity: 0.061 ng/mL
            Standard: 10 ng/mL
            Detection Range: 0.16-10 ng/mL
            Sample Type: serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
            Assay Length: 3.5h
            Research Area: Metabolic pathway;Tumor immunity;Endocrinology;Cardiovascular biology;
            Uniprot ID: P12104
            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 IFABP/FABP2. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human IFABP/FABP2. 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 IFABP/FABP2, 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 IFABP/FABP2 in the samples is then determined by comparing the OD of the samples to the standard curve.

            標準曲線

            Concentration (ng/mL) OD Corrected OD
            10.00 2.035 1.928
            5.00 1.593 1.486
            2.50 1.183 1.076
            1.25 0.752 0.645
            0.63 0.546 0.439
            0.32 0.354 0.247
            0.16 0.232 0.125
            0.00 0.107 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 IFABP/FABP2 and the recovery rates were calculated by comparing the measured value to the expected amount of IFABP/FABP2 in samples.
            Matrix Recovery range Average
            serum(n=5) 82-95% 88%
            EDTA plasma(n=5) 80-95% 87%
            Heparin plasma(n=5) 86-99% 92%

            線性

            The linearity of the kit was assayed by testing samples spiked with appropriate concentration of IFABP/FABP2 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) 87-98% 92-105% 95-107% 82-96%
            EDTA plasma(n=5) 81-94% 93-107% 93-102% 91-105%
            Heparin plasma(n=5) 89-98% 81-94% 96-105% 92-103%
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