AssayIndex
Microbiology

Endotoxin unit (EU)

The activity unit for bacterial endotoxin, defined against a reference standard. Roughly 0.1–0.2 ng of E. coli LPS per EU.

Related terms

Bacterial endotoxin
Lipopolysaccharide from gram-negative bacterial outer membranes. Pyrogenic, filter-passing, autoclave-stable, and invisible to every chromatographic method.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.