Assay

Assay – Analytical Method for Measuring Biological or Chemical Activity

An assay is a scientific procedure used to measure the presence, amount, or biological activity of a substance, typically in a biological, chemical, or pharmaceutical context. Assays are commonly used in biochemistry, molecular biology, and clinical diagnostics to analyze proteins, enzymes, nucleic acids, and other biomolecules, providing critical data for research, quality control, and therapeutic development.