Army Research Office, Arlington, Virginia 22204.
Infect Immun. 1970 Apr;1(4):423-4. doi: 10.1128/iai.1.4.423-424.1970.
The molecular size of type A botulinum toxin affects the response in a time-to-death assay. Definitive statements of specific activity should be based on quantal assay.
A 型肉毒毒素的分子大小会影响致死时间测定中的反应。特定活性的明确表述应基于量子测定。