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

页码：1495 / 1498

页数：4

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