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纳米金簇复合丝素薄膜的性能及其在生物成像中的应用
Authors
刘向阳
张鸿昊
+3 more
曹丽薇
林乃波
黄巧玲
Publication date
15 August 2019
Publisher
Abstract
具有荧光性能的丝素薄膜可用于生物体内外实时的、无损伤的生物成像,为直观监测体内生物材料及其化学环境的变化提供了新思路。采用浇铸法制备纳米金簇复合丝素薄膜,研究了纳米金簇、甘油和制备过程中pH值对纳米金簇复合丝素薄膜结构和性能的影响。结果表明:纳米金簇和甘油的加入都会提高纳米金簇复合丝素薄膜β-折叠和结晶度,从而提高其断裂强度;在碱性条件下制备的纳米金簇复合丝素薄膜在680nm处可发射较强荧光;细胞能在制备的薄膜上正常黏附和生长,实现薄膜和细胞同时荧光成像。国家自然科学基金资助项目(51773171,U1405226)福建省科技厅自然科学基金资助项目(2017J06019)高等学校学科创新引智计划资助项目(B16029)厦门大学校长基金资助项目(20720160088,20720150218
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Last time updated on 20/11/2020