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Russia develops sponge for wound care
Scientists at Penza State University in Russia have developed an experimental collagen sponge capable of stopping bleeding, preventing fibrin dissolution, and killing bacteria. The sponge relies on a three-dimensional, liquid-absorbing collagen matrix that contains amino caproic acid, which inhibits fibrin breakdown and helps maintain the blood clot, along with long-lasting antibacterial effects achieved through vancomycin and ciprofloxacin compounds. The manufacturing process—comprising matrix preparation, freezing, and freeze-drying—results in an effective and reproducible material. Its efficacy has been demonstrated in laboratory studies, which tested its absorption capacity, antibacterial activity, and interactions with red blood cells. Currently, efforts are underway to improve its formulation.
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