Developments in Diphtheria Prophylaxis

0.5 per cent added adjusted to pH adsorbed adsorption AIPO alum precipitated toxoid aluminium phosphate amino nitrogen amino-acids ammonium sulphate amount of carrier amount of mineral amount of toxoid animals antibody producing cells antigen antitoxin response Antitoxin Titres Batch cadmium cadmium chloride casein centrifuged concentration containing crude formol-toxoid crude toxoid days after inoculation Dépôt Theory diphtheria prophylactic diphtheria toxin distilled water dose elution employed enhanced potency excised Experiment filtrate flocculation following results formalin fourteen days Glenny glutamic acid glycine groups guinea-pigs hydroxide immunisation immunity increase incubated inoculation intervals later Lf./mgm litres magnesium hydroxide maltose medium Mg(OH mgm./ml mineral carrier mixture Mueller's N₂ NaCl nitrogen nodules obtained optimal amount prepared primary stimulus prophylaxis protein purified toxoid quantity residual sample of P.T.A.P. Schick conversion rate Schick test second response secondary stimulus Section serum shewed shewn sodium alum solution supernatant suspension titre of Lf toxin production u/ml