Dielectrophoretic manipulation of fluorescing single-walled carbon nanotubes

被引：5
|
作者：
Mureau, Natacha [1 ]
Mendoza, Ernest [1 ]
Silva, S. Ravi P. [1 ]
机构：
[1] Univ Surrey, Adv Technol Inst, Nano Elect Ctr, Guildford GU2 7XH, Surrey, England
来源：
ELECTROPHORESIS | 2007年 / 28卷 / 10期
关键词：
dielectrophoresis; fluorescence; single-walled carbon nanotubes;
D O I：
10.1002/elps.200600607
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
We investigate the behavior of fluorescing single-walled carbon nanotubes (SWCNTs) under dielectrophoretic conditions and demonstrate their collection with fluorescence microscopy. SWCNTs are dispersed in water with the aid of a nonionic surfactant, Triton X-100, and labeled through noncovalent binding with the dye 3,3'-dihexyloxacarbocyanine iodide (diOC(6)). The chromophore's affinity to the SWCNTs is due to n-stacking interactions. Carbon nanotube (CNT) localization is clearly identified on the fluorescence images, showing that the nanotubes concentrate between the electrodes and align along the electric field lines.
引用
收藏
页码：1495 / 1498
页数：4
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