antigen unit

an·ti·gen u·nit

the smallest amount of antigen that, in the presence of specific antiserum, will fix 1 complement unit.

(an'ti-jen yū'nit)

The smallest amount of antigen that, in the presence of specific antiserum, will fix one complement unit.

The smallest quantity of antigen required to fix one unit of complement.

References in periodicals archive ?

The antigen unit 100 was used as a cut-off value for identification of antigenemia as per the manufacturer's instruction.

Serum samples with an antigen unit of 128 (>titre of standard No.

Interpretation of results were as if NS1 antigen units is <9 negative, if 911 equivocal and >11 positive.