Unilamellar Vesicles from Amphiphilic Graphene Quantum Dots

被引：15
|
作者：
Nandi, Sukhendu [2 ]
Kolusheva, Sofiya [1 ]
Malishev, Ravit [2 ]
Trachtenberg, Alexander [2 ]
Vinod, T. P. [2 ]
Jelinek, Raz [1 ,2 ]
机构：
[1] Ben Gurion Univ Negev, Ilse Katz Inst Nanoscale Sci & Technol, IL-84105 Beer Sheva, Israel
[2] Ben Gurion Univ Negev, Dept Chem, IL-84105 Beer Sheva, Israel
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2015年 / 21卷 / 21期
关键词：
amphiphiles; graphene; membranes; quantum dots; vesicles; CARBON DOTS; NANOPARTICLES;
D O I：
10.1002/chem.201406170
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Graphene quantum dots (GQDs) have attracted considerable interest due to their unique physicochemical properties and various applications. For the first time it is shown that GQDs surface-functionalized with hydrocarbon chains (i.e., amphiphilic GQDs) self-assemble into unilamellar spherical vesicles in aqueous solution. The amphiphilic GQD vesicles exhibit multicolor luminescence that can be readily exploited for membrane studies by fluorescence spectroscopy and microscopy. The GQD vesicles were used for microscopic analysis of membrane interactions and disruption by the peptide beta-amyloid.
引用
收藏
页码：7755 / 7759
页数：5
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