期刊
LANGMUIR
卷 26, 期 22, 页码 16921-16927出版社
AMER CHEMICAL SOC
DOI: 10.1021/la103192q
关键词
-
资金
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)
- Cavendish Laboratory
- Mott environmental fund
We explore the formation of floating two-dimensional colloidal crystals above weakly attractive surfaces that are either positively or negatively charged. In particular, we studied crystal formation above positively charged poly-L-lysine-poly(ethylene glycol) surfaces with and without short single-stranded DNA and above negatively charged bovine albumin serum-streptavidin multilayers. Confocal microscopy revealed the evolution of crystals several micrometers above all three surfaces. Interestingly, the flying height of crystals was found to depend on the surface coating. All crystalline structures remained remarkably stable over weeks, even under high salt conditions. Neither lifting the crystals nor lowering them by means of buoyancy forces destroyed them.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据