人细胞角蛋白19片段抗原21-1(CYFRA21-1)酶联免疫吸附检测试剂盒

产品介绍

• {"48t":"1820","96t":"2600","96t_5":"11050","name_en":"Human CYFRA21-1(Cytokeratin Fragment Antigen 21-1) ELISA Kit","alternative_names":"CYFRA21-1","species":"Human","assay_type":"Sandwich","sensitivity":"0.117 ng\/mL","standard":"20 ng\/mL","detection_range":"0.32-20 ng\/mL","sample_type":"serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids","assay_length":"3.5h","research_area":"Tumor immunity;Dermatology;","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 CYFRA21-1. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human CYFRA21-1. 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 CYFRA21-1, 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 CYFRA21-1 in the samples is then determined by comparing the OD of the samples to the standard curve.","StandardCurveURL":"https:\/\/www.elkbiotech.cn\/upload\/image\/ELISA\/ELK1967-b-1.jpg","ManualURL":"https:\/\/www.elkbiotech.cn\/upload\/file\/ELISA\/ELK1967-1.pdf","ProductURL":"https:\/\/www.elkbiotech.cn\/pro\/ELK1967",}