Prozone phenomenon is due to
Zone phenomenon (seen in agglutination and precipitation) consists of 3 pas: Prozone = Ab excess = weak or absent precipitation reaction = False -ve Zone of equivalence = peak amount of precipitation. Post zone = Ag excess = weak or absent precipitation reaction. REF : ananthanarayana 10th ed
Antigen excess
Antibody excess
False +ve reaction
False -ve reaction
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