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Scientists at the Korea Advanced Institute of Science and Technology (KAIST) have developed a groundbreaking spray-on powder designed to seal severe wounds almost instantly, potentially transforming emergency medical response. This innovative product, known as AGCL powder, forms a hydrogel barrier upon contact with blood, providing an efficient solution for stopping life-threatening bleeding in high-pressure situations such as battlefield trauma, natural disasters, and accidents.
The AGCL powder is released from an aerosol canister, allowing it to be applied quickly and evenly over injuries. Once it touches blood, the powder converts into a tough, gel-like substance that adheres to tissue and seals the wound without requiring pressure, stitching, or precise placement. This is particularly beneficial in chaotic environments where traditional methods of bleeding control, such as gauze and pressure dressings, may fail due to challenging conditions.
The formulation of AGCL powder incorporates biocompatible polymers, including alginate, gellan gum, and chitosan. These components work together synergistically to facilitate fast clotting and wound closure. The powder can absorb over seven times its weight in blood and remains effective even in extreme temperatures and humidity, making it suitable for a wide range of emergency scenarios.
Preclinical testing has shown promising results, with the powder effectively stopping bleeding from complex injuries, including liver wounds. Treated tissues demonstrated signs of healthy regeneration, such as the development of new blood vessels and collagen, indicating that AGCL powder may not only save lives in the short term but also support better long-term recovery outcomes.
While existing bleeding control methods often require skillful application and may not perform well under stress, AGCL powder simplifies the process, making it accessible for both trained medics and civilians in critical situations. Its versatility allows it to conform to irregularly shaped wounds, enhancing its effectiveness.
Though AGCL powder has not yet received clinical approval, its potential applications in emergency medicine are significant. If approved, it could become a vital tool for paramedics, military personnel, and healthcare workers in remote locations, addressing one of the most pressing challenges in trauma care: rapid control of hemorrhage. The development of this innovative solution could herald a new era in portable bleeding control, ultimately saving countless lives.
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