Epinephrine (EPI) sample content standard: 225 ng / L 0.5ml × 1 bottle 0.5ml × 1 bottle 2-8 ° C preservation standard dilution 1.5ml × 1 bottle 1.5ml × 1 bottle 2-8 ° C preservation enzyme Standard reagent 3 ml × 1 bottle 6 ml × 1 bottle 2-8 ° C Preservation sample dilution 3 ml × 1 bottle 6 ml × 1 bottle 2-8 ° C Preservation developer A liquid 3 ml × 1 bottle 6 ml × 1 bottle 2-8 °C Preservation of developer B solution 3 ml × 1 bottle 6 ml × 1 bottle 2-8 ° C Preservation solution 3 ml × 1 bottle 6 ml × 1 bottle 2-8 ° C Preservation concentrated washing solution (20ml × 20 times) × 1 bottle (20ml × 30 times) × 1 bottle 2-8 ° C preservation sample processing and requirements: 1. Serum: room temperature blood solidification for 10-20 minutes, centrifugation for about 20 minutes (2000-3000 rev / min). The supernatant is carefully collected, and if precipitation occurs during storage, it should be centrifuged again. 2. Plasma: EDTA or sodium citrate should be selected as an anticoagulant according to the requirements of the specimen. After mixing for 10-20 minutes, centrifuge for about 20 minutes (2000-3000 rpm). The supernatant is carefully collected, and if a precipitate forms during storage, it should be centrifuged again. 3. Urine: Collect with a sterile tube and centrifuge for about 20 minutes (2000-3000 rpm). The supernatant is carefully collected, and if a precipitate forms during storage, it should be centrifuged again. The chest and ascites and cerebrospinal fluid are referred to. 4. Cell culture supernatant: When detecting secreted components, collect them in a sterile tube. Centrifuge for about 20 minutes (2000-3000 rpm). Collect the supernatant carefully. When the components in the cells were detected, the cell suspension was diluted with PBS (pH 7.2-7.4), and the cell concentration reached about 1 million/ml. By repeated freezing and thawing, the cells are destroyed and the intracellular components are released. Centrifuge for about 20 minutes (2000-3000 rpm). Collect the supernatant carefully. If a precipitate forms during storage, it should be centrifuged again.
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