Charles River offers a line of single-step rapid testing systems which include assays for quick and quantitative endotoxin analysis, glucan contamination testing and gram identification. Our rapid test methods allow you to produce results right at the point of sample collection, and improve sample management, decrease testing time and accelerate product production.

Horseshoe crab Video

Our new video highlights our strong commitment to the conservation of the horseshoe crab. 

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Horseshoe crabs

Citizen Scientists Protecting Horseshoe Crabs

Mary Ellen Mateleska, Director of Education & Conservation at the Mystic Aquarium, blogs about evening Horseshoe crab population counts, midnight tagging events and marine debris removal activities with the Citizen Scientists.