Preparation method of silk fibroin aerogel
A silk fibroin and aerogel technology, which is applied in the field of silk fibroin aerogel preparation, can solve the problems of difficult biodegradation and poor biocompatibility of aerogel materials, and achieves no toxic side effects and good energy storage capacity. , the effect of light weight
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Embodiment 1
[0030] (1) Preparation of silk fibroin solution: take 80g silkworm cocoon shells with a balance, configure mass fraction as 0.01M, 4000 milliliters of sodium bicarbonate sodium carbonate aqueous solution with pH=9.5, add cocoon shells after heating to boiling with electromagnetic oven, adjust The power of the induction cooker is the lowest, continue to boil for 30 minutes, take out the cocoon silk and wash it with deionized water; repeat the above steps three times, remove the sericin, and then take it out and dry it in an oven at 60°C to obtain pure silk fibroin fiber. Dissolve pure silk fibroin fibers in a lithium bromide solution with a concentration of 9.3mol / L at a bath ratio of 20:150, and dissolve in a constant temperature magnetic stirrer at 60±2°C for about 1 hour. After cooling, take it out, put it into a dialysis bag and seal it, place it in deionized water for dialysis for 3-4 days, filter it with absorbent cotton to obtain a pure silk fibroin solution, calculate th...
Embodiment 2
[0033] (1) Preparation of silk fibroin solution: take by weighing 80g silkworm cocoon shells with precision balance, configuration mass fraction is 0.01M, 4000 milliliters of sodium bicarbonate sodium carbonate aqueous solution of pH=9.5, (add 4000 milliliters of deionized water in stainless steel, Sodium carbonate 1 gram, sodium bicarbonate 3 grams), add the cocoon shell after heating to boiling with the electromagnetic oven, adjust the electromagnetic oven power to be the lowest, continue to boil slightly for 30 minutes, take out the silk and clean it with deionized water; repeat the above steps three times to remove the silk Glue, and then take it out and place it in an oven at 60°C to dry to obtain pure silk fiber. Dissolve pure silk fiber in lithium bromide solution with a concentration of 9.3mol / L at a bath ratio of 20:150, dissolve it in a constant temperature magnetic stirrer at 60±2°C for about 1 hour, take it out after cooling, put it into a dialysis bag, seal it, and...
Embodiment 3
[0036](1) Preparation of silk fibroin solution: take by weighing 80g silkworm cocoon shells with precision balance, configuration mass fraction is 0.01M, 4000 milliliters of sodium bicarbonate sodium carbonate aqueous solution of pH=9.5, (add 4000 milliliters of deionized water in stainless steel, Sodium carbonate 1 gram, sodium bicarbonate 3 grams), add the cocoon shell after heating to boiling with the electromagnetic oven, adjust the electromagnetic oven power to be the lowest, continue to boil slightly for 30 minutes, take out the silk and clean it with deionized water; repeat the above steps three times to remove the silk Glue, and then take it out and place it in an oven at 60°C to dry to obtain pure silk fiber. Dissolve pure silk fiber in lithium bromide solution with a concentration of 9.3mol / L at a bath ratio of 20:150, dissolve it in a constant temperature magnetic stirrer at 60±2°C for about 1 hour, take it out after cooling, put it into a dialysis bag, seal it, and ...
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