By Monica J. Smith

All surgeons encounter bleeding from injury to blood vessels that needs to be staunched, and doctors may soon be able to do so with the application of a self-assembling material being developed by a small New England biotechnology company.

The product contains a single synthetic peptide sequence in powder form that, when dissolved in water, becomes a liquid with a consistency similar to a hand sanitizer. Applied to a wound, it assembles immediately, forming a clear barrier that