Particle-Enhanced Nephelometric Immunoassay

**Semantic type:** Laboratory Procedure

**Definition:** A method to quantify the concentration of immunoaggregates suspended in a liquid or gas using a nephelometer. The immunoaggregates are target antigens agglutinated to antigen-specific antibody-coated polystyrene latex-enhanced particles.

**Synonyms:** - PARTICLE-ENHANCED NEPHELOMETRIC IMMUNOASSAY - PENIA