- Using a material derived from crustacean shells, scientists have now developed a foam that can be sprayed onto an open wound to stop the bleeding.
- Currently, first responders have no way to stop bleeding from major trauma to the torso, which is a leading cause of death among young adults and the most common cause of death from combat-related injuries.
- The researchers developed a sprayable foam made of modified chitosan, a biopolymer derived from the shells of shrimp and other crustaceans that is already being used in other types of non-foam wound dressings. In tests on pigs, the spray reduced blood loss by 90 percent.
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