da_bruva at hotmail.com wrote:
>> regarding this product:
>> Pertussis Toxin, Bordetella pertussis
> Cat. No. 516560
> 50 µg
>> could you please kindly inform me about the number of organisms present
> per ug or present in this formulation.
purified toxins should not have any parent organisms left in them. A
more appropriate source of information than this newsgroup would be the
technical support department of your supplier.