The creatine kinase isoenzyme MB specification detection kit uses a double antibody one-step sandwich enzyme-linked immunosorbent assay (ELISA). The coated microcapsules pre-coated with creatine kinase isoenzyme MB (CK-MB) antibody were sequentially added with specimens, standards, and HRP-labeled detection antibodies, and incubated and thoroughly washed. Using the substrate TMB to develop color, TMB is converted to blue under the catalysis of peroxidase and converted to the final yellow color by the action of an acid. The color depth is positively correlated with creatine kinase isoenzyme MB (CK-MB) in the sample. The absorbance (OD value) was measured at 450 nm using a microplate reader to calculate the sample concentration. Sample Collection, Handling and Preservation Method 1. Serum: Use a tube containing no pyrogen and endotoxin to avoid any cell irritation during the operation. After collecting the blood, centrifuge and centrifuge for 10 minutes at 3000 rpm to quickly and carefully separate the serum and red blood cells. 2. Plasma: EDTA, citrate or heparin anticoagulation. The supernatant was taken by centrifugation at 3000 rpm for 30 minutes. 3. Cell supernatant: Centrifuge at 3000 rpm for 10 minutes to remove particles and polymer. 4. Tissue homogenization: The tissue is added to the appropriate amount of physiological saline and chopped. The supernatant was taken by centrifugation at 3000 rpm for 10 minutes. 5. Storage: If the sample is not detected in time after collection, please dispense it once, freeze it at -20 °C, avoid repeated freezing and thawing, thaw at room temperature and ensure that the sample is fully thawed evenly. Self-prepared items 1. Microplate reader (450nm) 2. High-precision sampler and tip: 0.5-10uL, 2-20uL, 20-200uL, 200-1000uL3. 37°C incubator
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