
doi: 10.1038/158350a0
pmid: 20997597
THE method for purification of diphtheria toxoid, which h s been used at the State Bacteriological Laboratory of Sweden since 1943, consists of two different procedures: the so-called iso-electric precipitation with trichloracetic acid of the crude toxoid and the aluminium precipitation of the partialy purified material. The method, described brj ny in an earlier publication1, is founded on investigations by Boivin and Yzard2 and by Glenny and Barr3.
Diphtheria Toxoid, Diphtheria, Adsorption
Diphtheria Toxoid, Diphtheria, Adsorption
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