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Assay Methods for Clostridium perfringens Type A Enterotoxin

机译:产气荚膜梭菌A型肠毒素的测定方法

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Enterotoxin produced by a sporulating culture of Clostridium perfringens type A NCTC 8798 was purified to a level of 3,500 mouse mean lethal doses per mg of nitrogen. High-titer sera were obtained from rabbits injected with enterotoxin and used to compare the sensitivity of serological tests and bioassays for C. perfringens enterotoxin. Reversed passive hemagglutination was by far the most sensitive test, followed by microslide diffusion, single gel diffusion and electroimmunodiffusion, guinea pig skin test, mouse test, and rabbit ileal loop test.
机译:通过产气荚膜梭状芽孢杆菌NCTC 8798的孢子培养物产生的肠毒素被纯化至每毫克氮3,500小鼠平均致死剂量。高滴度血清是从注射了肠毒素的兔身上获得的,用于比较血清学检测和产气荚膜梭菌肠毒素的生物测定的敏感性。迄今为止,逆向被动血凝试验是最敏感的测试,其次是微玻片扩散,单凝胶扩散和电免疫扩散,豚鼠皮肤测试,小鼠测试和兔回肠loop回测试。

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