| Summary: | In daily life, people are susceptible to injuries from the outside world. Bleeding wounds and long-term non-healing bring a lot of trouble to the lives of the injured. As a result, it developed a class of wound healing materials based on gelatin combined with calcium ions. By exploring the different behaviors of gelatin aqueous solution at different temperatures and concentrations to form gels, we determined the concentration of the prepared gelatin. Next, calcium-containing substances were added to the gelatin. Through discussing the way and concentration of two different forms of calcium source eggshell and calcium gluconate added to gelatin, the optimal ratio of calcium source to gelatin was determined. Finally, an injectable gelatin hydrogel hemostatic material which is convenient for coating was prepared.
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