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The long terminal repeat (LTR) of HW-1 is linked to the indicator gene in transgenic mice, that is, the LTTR gene is linked to the indicator gene-chloramphenin acetyltransferase (CAT) and then introduced into mouse cells...
2020-08-121. Modeling material animal: SD rat, female, 2 to 3 months old, weighing 180 to 220g; drug: 6-hydroxydopamine (6-OHDA), apomorphine, rabbit anti-tyrosine hydroxyl Enzyme serum, avidin-biotin-peroxidase complex (ABC) kit; equipment: rat brain stereota...
2020-08-12The method is mainly to prepare transgenic mice by male pronucleus microinjection....
2020-08-12Modeling materials Animal: rabbit; equipment: rabbit box, JKY-11 electric swivel chair, Rm-6000 eight-channel physiological recorder...
2020-08-121. Modeling materials Animal: healthy purebred mice, male, 4 to 5 weeks old; drug: reserpine. 2. Modeling method Observe for 10 hours after injecting 2mg/kg reserpine into the tail vein of mice....
2020-08-12The ideal animal model of infectious disease should completely or basically resemble the clinical manifestations, disease process, pathophysiological changes, immunological response and other disease characteristics of human diseases...
2020-08-12Anesthetize adult male SD or Wistar rats weighing 250-300 g by intramuscular injection of diazide 5 5 mg/kg and ketamine 50 mg/kg...
2020-08-12According to the strain, intravenous injection of 0.1% epinephrine solution, 0.3 ml/kg body weight of New Zealand rabbits, 5 ml/kg body weight of Wistar rats, and 8-10 ml/kg of Kunming mice...
2020-08-11Replication method 0.5ml of hepatitis B serum from hepatitis B virus surface antigen (HBsAg) and hepatitis B virus e antigen (HBeAg) was inoculated into trout via femoral vein...
2020-08-11Choose a 170-210 g Wistar rat, take 15, 20, 25 μl of N2O410 liquid and pour it into a 120 L poisoning cabinet...
2020-08-11Replication method Inoculate 2 ml of HBV positive serum intravenously into healthy rhesus monkeys of 2-4 kg, and detect their negative HAV, HBV and HCV markers at the age of 1-3...
2020-08-11Choose 300-500g of adult male guinea pigs, use normal saline containing 0.25% calf serum albumin to dilute platelet activating factor to 500μg/ml, which may cause guinea pig asthma 1500μg, which may be inhaled at a dose per kg...
2020-08-11Hepatitis B virus (HBV) is a hepatotrophic DNA virus, which is a complex DNA virus. Since the 1970s, we have identified Dane particles (HBV particles) with electron microscopes and discovered HBV particles...
2020-08-11Breeding method Before the experiment, collect adult experimental rhesus monkeys, weighing 2-5 kg, and screen for HBsAg, anti-HAV and other liver function enzyme activities. After ketamine anesthesia, first collect blood samples and liver tissue biop...
2020-08-11“Ércháfēn\'àn” bāokuò shènshàngxiàn sù, qù jiǎ shènshàngxiàn sù, duōbā\'àn jí qí dàixiè chǎnwù 29/5000 \"Catecholamines\" include epinephrine, norepinephrine, dopamine and their metabolites...
2020-08-11Some primates or non-primates have characteristic manifestations such as restlessness, sleep disturbance and crying after separation of offspring...
2020-08-11