Assertion: horseshoe crab's blood | /r/MadeOf | clotting agent
Facets:
value: in the
type: LOCATION
Source sentences:
text: Their blood contains a clotting agent, LAL (Limulus Amoebocyte Lysate), which provides a fast, reliable test for the presence of infections bacteria in drugs, as well as prosthetic devices such as heart valves and hip replacements.
text: In the 1950's, the blue, copper-based blood of the horseshoe crab was found to contain a clotting agent that would react with toxins produced by bacteria.