功能材料
功能材料
공능재료
JOURNAL OF FUNCTIONAL MATERIALS
2015年
3期
3023-3027
,共5页
牟星%彭鹏%孙琪%何许霞%孙可墨%黄嵩涛%殷丽华%余占海
牟星%彭鵬%孫琪%何許霞%孫可墨%黃嵩濤%慇麗華%餘佔海
모성%팽붕%손기%하허하%손가묵%황숭도%은려화%여점해
丝素蛋白/明胶多孔支架%冷冻干燥法%交联%甲醇%戊二醛
絲素蛋白/明膠多孔支架%冷凍榦燥法%交聯%甲醇%戊二醛
사소단백/명효다공지가%냉동간조법%교련%갑순%무이철
silk fibroin/gelatin porous scaffold%freeze-drying%cross-linking%methanol%glutaraldehyde
为了对比甲醇、戊二醛两种交联剂对丝素蛋白/明胶复合多孔支架的性能影响,采用冷冻干燥法等比例制备该支架,分两组分别用甲醇和戊二醛进行交联。通过观察支架的微观形貌,测量支架的孔隙率、吸水率、溶胀率,测试热稳定性及力学性能,比较经两种交联剂处理后支架结构和性能的变化。结果表明,经戊二醛交联后的支架孔隙分布更加规则、均匀,孔隙率、吸水率、溶胀率更高,力学性能更强。采用戊二醛交联丝素蛋白/明胶复合多孔支架,能够使支架性能更加优良。
為瞭對比甲醇、戊二醛兩種交聯劑對絲素蛋白/明膠複閤多孔支架的性能影響,採用冷凍榦燥法等比例製備該支架,分兩組分彆用甲醇和戊二醛進行交聯。通過觀察支架的微觀形貌,測量支架的孔隙率、吸水率、溶脹率,測試熱穩定性及力學性能,比較經兩種交聯劑處理後支架結構和性能的變化。結果錶明,經戊二醛交聯後的支架孔隙分佈更加規則、均勻,孔隙率、吸水率、溶脹率更高,力學性能更彊。採用戊二醛交聯絲素蛋白/明膠複閤多孔支架,能夠使支架性能更加優良。
위료대비갑순、무이철량충교련제대사소단백/명효복합다공지가적성능영향,채용냉동간조법등비례제비해지가,분량조분별용갑순화무이철진행교련。통과관찰지가적미관형모,측량지가적공극솔、흡수솔、용창솔,측시열은정성급역학성능,비교경량충교련제처리후지가결구화성능적변화。결과표명,경무이철교련후적지가공극분포경가규칙、균균,공극솔、흡수솔、용창솔경고,역학성능경강。채용무이철교련사소단백/명효복합다공지가,능구사지가성능경가우량。
This paper compares the effects of methanol and glutaraldehyde on properties of silk fibroin/gelatin composite porous scaffolds,the silk fibroin/gelatin composite porous scaffolds with equal proportion were pre-pared by freeze-drying method,cross-linked by methanol and glutaraldehyde respectively.Microstructures of scaffolds were observed;porosities,water absorption ratios and swelling ratios were measured;thermal stabili-ties and mechanical properties were investigated.Then differences of scaffolds,structures and properties by dif-ferent cross linking agents were compared.Results showed that scaffolds cross-linked by glutaraldehyde had a more regular,uniform pore distribution,higher porosities,water absorption ratios,swelling ratios and me-chanical properties.Glutaraldehyde-crosslinked silk fibroin/gelatin composite porous scaffolds,properties are more excellent.