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    • 9. 发明授权
    • Determining potency of streptococcal preparations
    • 测定链球菌制剂的效力
    • US4529581A
    • 1985-07-16
    • US454906
    • 1982-12-30
    • Karen K. BrownSharon A. Bryant
    • Karen K. BrownSharon A. Bryant
    • G01N33/569A61K49/00G01N33/48G01N33/54
    • G01N33/56944
    • Antigenicity of streptococcal preparations useful for inducing anti-streptococcal immunity in animals can be determined using a combining power technique. Method involves incubating serial dilutions of the antigen preparation with known amounts of anti-streptococcal antiserum, thereby lessening, in serial manner, the combining power of the antiserum. The serial reaction products are then incubated with serial dilutions of streptococcal preparations having known activity and the effects of the serial reaction products on such activity are then determined by in vivo means. Those determinations can be related to a standard for determining potency of the streptococcal preparation. Assay technique is especially useful in determining potency of Streptococcus equi bacterins or bacterin derivatives.
    • 用于诱导动物中抗链球菌免疫的链球菌制剂的抗原性可以使用组合功能技术来确定。 方法包括用已知量的抗链球菌抗血清孵育抗原制剂的系列稀释液,从而以一致的方式减少抗血清的结合力。 然后将连续反应产物与具有已知活性的链球菌制剂的系列稀释液一起温育,然后通过体内方法测定连续反应产物对这种活性的影响。 这些测定可以与确定链球菌制剂效力的标准相关。 测定技术在确定马链球菌或菌苗衍生物的效力方面特别有用。