South Korean scientists have presented a new development that can save life in cases of severe bleeding: a powder-spray that reacts with blood when sprayed on a wound and forms a "gel barrier" within approximately one second. This was reported based on materials from SciTechDaily, and official Korean sources also provided information about the development.
According to sources, the development was prepared by researchers from KAIST (Korea Advanced Institute of Science and Technology) and was primarily designed to stop blood loss in military conditions - that is, in situations where ambulances may be delayed. Since seconds are decisive on the battlefield, such a "quick-release" tool can be of great importance.
How does it work? In short, the biocompatible substances in this powder react quickly with blood ions (especially calcium ions), forming a gel-like layer within about a second and "sealing" the wound. At the same time, the material can absorb a very large amount of blood - sources have noted that the powder can absorb blood several times its own weight, which contributes to faster obstruction even in cases of severe bleeding.
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