An analysis of the physical and chemical factors involved in the reactivation of neutralized poliovirus by the method of freezing and thawing.

Acetates/pharmacology Animals Antigen-Antibody Complex Barium/pharmacology Calcium/pharmacology Centrifugation, Density Gradient Formamides/pharmacology Freezing Guanidines/pharmacology Hydrogen-Ion Concentration Immune Sera Magnesium/pharmacology Neutralization Tests Phosphates/pharmacology Phosphorus Isotopes Poliovirus/drug effects,immunology,isolation & purification Protein Denaturation Rabbits/immunology Temperature Tromethamine/pharmacology Urea/pharmacology Viral Proteins

Acetates Antigen-Antibody Complex Formamides Guanidines Immune Sera Phosphates Phosphorus Isotopes Viral Proteins Tromethamine Barium Urea Magnesium Calcium