INVESTIGATION OF BOTULIN TOXINS AND TOXOIDS WITH THE GEL FILTRATION METHOD. REPORT 2. SEPARATION OF CRUDE TYPE A BOTULIN TOXINS VIA FILTRATION THROUGH SEFADEX G-200 GEL
ARMY BIOLOGICAL LABS FREDERICK MD
Pagination or Media Count:
Toxin molecules in the type A botulin toxin vary as to size. The basic toxic activity in crude preparations is bound with protein of molecular weight over 200,000 one third -- with proteins of molecular weight close to 160,000, and about 1 -- with proteins of molecular weight close to 65,000.