{"48t":"1680","96t":"2400","96t_5":"10200","name_en":"Human VD(Vitamin D) ELISA Kit","alternative_names":"VD; VD1; Lamisterol; Vitamin D; Vitamin D1; Lumisterol","species":"Human","assay_type":"Competitive Inhibition","sensitivity":"2.19 ng\/mL","standard":"400 ng\/mL","detection_range":"6.25-400 ng\/mL","sample_type":"Serum, plasma and other biological fluids","assay_length":"2h","research_area":"Metabonomics","test_principle":"This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Human VD. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human VD. 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 Human VD 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\/ELK11264-b-1.jpg","ManualURL":"https:\/\/www.elkbiotech.cn\/upload\/file\/ELISA\/ELK11264-1.pdf","ProductURL":"https:\/\/www.elkbiotech.cn\/pro\/ELK11264",}