AssayIndex
Microbiology

Bacterial endotoxin

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

Related terms

LAL
Limulus amebocyte lysate. The horseshoe-crab-derived reagent whose clotting cascade detects endotoxin. Available as gel-clot, turbidimetric and chromogenic assays.
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.

Where this term appears

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