An effective hemostatic composite material was obtained due to the combination of water-absorption, protein-sorption, and hemostatic properties of highly dispersed oxides of SiO2 and Al2O3 with the cellular structure of polyurethane foam. It was found that a sample with a silica content of 5 wt.% has the highest parameters of osmotic activity and water absorption. The protein-adsorption activity of the fillers in the composite is slightly reduced, but remains at a level sufficient for the manifestation of biological activity. The hemostatic effect of the composite materials was studied in a model of parenchymal bleeding in rats.
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Translated from Teoretychna ta Eksperymentalna Khimiya, Vol. 56, No. 5, pp. 324-330, September-October, 2020.
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Kravchenko, A.A., Gerashchenko, I.I., Shtanova, L.Y. et al. Protein-Sorption and the Hemostatic Properties of Composite Materials Based on Polyurethane Foam Filled with Silicon and Aluminum Oxides. Theor Exp Chem 56, 352–358 (2020). https://doi.org/10.1007/s11237-020-09665-z
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DOI: https://doi.org/10.1007/s11237-020-09665-z