来自一种基于维生素C的博拉氨基的纳米管
Moira Ambrosi1, Emiliano Fratini, Viveka Alfredsson
1Department of Chemistry and CSGI, University of Florence, 50019 Sesto Fiorentino (Firenze), Italy.
Journal of the American Chemical Society
|June 1, 2006
概括
一种新型的波拉形表面活性剂,1,12-迪亚斯科尔比尔二甲二酸盐 (BOLA12),在水中形成空心纳米管. 这些结构可以涂上,展示纳米粒子合成的抗氧化特性.
科学领域:
- 超分子化学 超分子化学
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
背景情况:
- 表面活性剂在自组装和纳米材料制造中发挥着至关重要的作用.
- 亚酸衍生物具有独特的特性,包括抗氧化活性.
- 开发具有可调节功能的新型自组装系统是一个活跃的研究领域.
研究的目的:
- 为了合成和描述一种新型的博拉形表面活性剂,1,12-迪亚斯科尔比尔二甲基二氧化 (BOLA12),与甲酸头组.
- 在水溶中研究BOLA12的自我组装行为和纳米结构的形成.
- 探索BOLA12纳米组件在纳米粒子合成中的潜力,利用其固有的还原性质.
主要方法:
- 合成1,12-迪亚斯科尔比尔二二甲二酸盐 (BOLA12).
- 低温传递电子显微镜 (cryo-TEM) 用于纳米结构可视化.
- 用于结构分析的X射线衍射 (XRD) 和小角度X射线散射 (SAXS).
- 导电性和差异扫描热度计 (DSC) 用于临界聚合度和相位行为确定.
- DPPH测定用于抗氧化活性评估.
- 扫描电子显微镜 (SEM) 用于涂层纳米组件的表征.
主要成果:
- BOLA12已成功合成,以亚酸作为极地头组为特色.
- 玻拉12的水性分散物 (重量超过0.5%) 自组装成空心纳米管.
- 纳米管在加热后转化为微粒溶液.
- 确定了临界聚合度和相位行为.
- 博拉12表现出类似于 Askorbic 酸的抗氧化活性.
- (II) 离子在纳米组装表面被减少,形成涂层捆.
结论:
- 博拉12是一种新型的博拉形表面活性剂,能够在水中形成空心纳米管.
- 表面活性剂的甲酸部分赋予了还原性质,使得涂层纳米结构的合成.
- BOLA12纳米组件为催化应用和纳米粒子制造提供了一个有前途的平台.
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