toxin

[Dr E. Buxbaum]

da_bruva at hotmail.com wrote:
> 
> regarding this product:
> 
>  Pertussis Toxin, Bordetella pertussis
>                                                              Size
>  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.