Spray-on foam derived from crustaceans prevents bleeding

16/04/2015

Chitosan, a carbohydrate polymer extracted from chitin found in marine crustaceans, has a healthy future. The market for the material is growing at a CAGR of 16%, according to Transparency Market Research, and is projected to reach a value of $4.2 billion by 2020. New applications for the material seem to come along daily. At the American Chemical Society national meeting in Denver last week, Srinivasa R. Raghavan of the University of Maryland presented one more: a modified chitosan-based foam that can be spayed directly on wounds to prevent bleeding.

Pressure is one of the best tools that medics on the battlefield have to fight bleeding, but they can't use it on severe wounds near organs, where it would do more harm than good, reports Chemical & Engineering News, published by the American Chemical Society (ACS).
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