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It took millions of years for one of the world’s most precious natural biomedical resources to be discovered. Now, Charles River is picking up where nature left off to fast-track the evolution of endotoxin testing. Using our FDA-licensed PTS™ cartridges and rapid endotoxin testing systems, you gain immediate access to Limulus amebocyte lysate (LAL), an assay derived from the horseshoe crab, to reliably test for endotoxin in just 15 minutes. Learn more about our automated multi-cartridge systems and other advances in the evolution of endotoxin testing at www.criver.com/emd.