一个糖功能化的两柱[5]arene:合成,在水中自我组装,并在细菌细胞凝结中应用
Guocan Yu1, Yingjie Ma, Chengyou Han
1Department of Chemistry, MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Zhejiang University, Hangzhou 310027, PR China.
Journal of the American Chemical Society
|June 26, 2013
概括
由糖功能化支柱[5]制成的新型纳米管在水中不会自组装. 这些生物相容的纳米管有效地凝结大肠杆菌,因银河糖结合而充当强大的细胞粘合剂.
科学领域:
- 超分子化学 超分子化学
- 纳米技术纳米技术
- 生物材料是一种生物材料.
背景情况:
- 两柱体[5]场地是具有可调节性质的超分子宿主.
- 纳米结构的自我组装为生物医学应用提供了平台.
- 细菌凝结是抗微生物战略的一个关键目标.
研究的目的:
- 设计和合成新的糖功能化的两柱[5]arenes.
- 研究这些化合物在水性介质中的自我组装行为.
- 评估由此产生的纳米结构作为细菌聚合的细胞粘合剂的潜力.
主要方法:
- 银河糖功能化的支柱的化学合成[5]arene.arene.
- 使用传输电子显微镜 (TEM),扫描电子显微镜 (SEM) 和光显微镜对自组装纳米结构的表征.
- 对癌症和正常细胞系的纳米管毒性的评估.
- 对大肠杆菌凝结效率的评估.
主要成果:
- 成功合成了一种新的糖功能化的两柱[5]arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.arene.
- 通过显微镜技术证实了水中纳米管的自我组装.
- 对癌细胞和正常细胞具有较低的毒性.
- 展示了有效的结合大肠杆菌,作为细胞粘合剂发挥作用.
结论:
- 合成的支柱[5]衍生物自组装成生物相容的纳米管.
- 这些纳米管显示出作为细菌大肠杆菌聚合的细胞剂的巨大潜力.
- 银河糖部分为细菌受体提供高亲和度的结合,使细胞能够有效地粘附.
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