Medical adhesive or hemostatic
A technology of hemostatic agent and adhesive, which is applied in the field of medical adhesive or hemostatic agent, can solve the problems of toxicity, etc., and achieve the effect of low cost, low price, and simple preparation process
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[0028] Example 1
[0029] Weigh 10g of gelatin and dissolve in 100ml of water, add 1g of EDC, add 3g of ethylenediamine, and stir and react at 37°C for 5 hours. The reaction solution was put into a dialysis bag and dialyzed with deionized water for 2 days. After dialysis, the aqueous solution was frozen in a refrigerator at -80°C, and then frozen at -53°C to obtain aminated gelatin.
Example Embodiment
[0030] Example 2
[0031] Take 10g glucose into 100ml deionized water to prepare a 10% dextran solution. Take 10g of NaIO4 (sodium periodate) and dissolve in 100ml of deionized water to prepare a 10% NaIO4 solution. Then the two solutions were mixed and stirred at room temperature for 5 hours. The product was put into a dialysis bag and dialyzed for two days. The dialyzed aqueous solution was frozen in a refrigerator at -80°C, and then freeze-dried to obtain aldehyde dextran.
Example Embodiment
[0032] Example 3
[0033] Take 10g of hydroxyethyl starch and add 100ml of deionized water to prepare a 10% hydroxyethyl starch aqueous solution. Dissolve 10g of NaIO4 in 100ml of deionized water to prepare a 10% NaIO4 solution. Then, the two solutions were mixed, and the reaction was stirred at room temperature for 5 hours. The product was put into a dialysis bag and dialyzed for two days. The dialyzed aqueous solution was frozen in a refrigerator at -80°C, and then freeze-dried to obtain aldehyde-based hydroxyethyl starch.
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