Kit for qualitatively detecting goldfish vitellogenin, preparation method and application thereof
A technology for qualitative detection and goldfish eggs, applied in the field of qualitative detection of goldfish vitellogenin, can solve problems such as high requirements for instruments and equipment
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[0010] The preparation of the kit for qualitative detection of goldfish vitellogenin is divided into the following steps:
[0011] (1) Preparation of pure goldfish vitellogenin
[0012] 10mg 17β-estradiol (17β-estradiol, E 2 ) was dissolved in 0.5mL of absolute ethanol, then 0.5mL of peanut oil was added, and mixed thoroughly to prepare 17β-estradiol emulsion. Goldfish were injected intraperitoneally with 17β-estradiol emulsion to induce goldfish to secrete vitellogenin. The dosage of the injection was 0.1mL / bar. After 10 days, blood was collected from the tail vein and centrifuged at 8000g at 4°C for 5min to obtain vitellogenin-containing protein. plasma. Take 1 mL of plasma and add it to a molecular sieve chromatography column, the filler is Sephacryl S-300, elute with 25mM Tris-HCl (pH7.5) containing 0.07M NaCl, collect the sample containing goldfish vitellogenin for ion exchange chromatography, the filler For DEAE Sepharose Fast Flow, use 25mM Tris-HCl containing 0.1M a...
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