ELECTROPHORETIC FRACTIONATION OF CARBON NANOTUBE DISPERSIONS ON AGAROSE GELS

Author:

VETCHER ALEXANDRE A.1,FAN JUN-HUEI1,VETCHER IVAN A.2,LIN TIFFANY2,ABRAMOV SEMEN M.2,DRAPER ROCKFORD3,KOZLOV MIKHAIL E.4,BAUGHMAN RAY H.4,LEVENE STEPHEN D.5

Affiliation:

1. Department of Molecular and Cell Biology, University of Texas at Dallas, P. O. Box 830688 Richardson, TX 75083, USA

2. NanoTech Institute, University of Texas at Dallas, Richardson, TX 75083, USA

3. Department of Molecular and Cell Biology, Institute of Biomedical Sciences and Technology, NanoTech Institute and Department of Chemistry, University of Texas at Dallas, P. O. Box 830688 Richardson, TX 75083, USA

4. NanoTech Institute and Department of Chemistry, University of Texas at Dallas, P. O. Box 830688 Richardson, TX 75083, USA

5. Department of Molecular and Cell Biology, and Institute of Biomedical Sciences and Technology, University of Texas at Dallas, P. O. Box 830688 Richardson, TX 75083, USA

Abstract

We show that various aqueous suspensions of single-walled and multi-walled carbon nanotubes, dispersed using either common surfactants or DNA, can be separated into components using agarose gel electrophoresis. In a DC electric field, carbon nanotubes and nanotube–DNA complexes migrate in the gel in the direction of positive potential to form well-defined bands. Raman spectroscopy as a function of band position shows that nanotubes having different spectroscopic properties have distinct electrophoretic mobilities. The results suggest that the separation of nanotubes according to structure can be achieved by this procedure. We discuss the factors affecting the mobility of the nanotube complexes and propose analytical applications of this technique.

Publisher

World Scientific Pub Co Pte Lt

Subject

Electrical and Electronic Engineering,Computer Science Applications,Condensed Matter Physics,General Materials Science,Bioengineering,Biotechnology

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1. Nucleic Acid Aptamers in Nanotechnology;Biomedicines;2022-05-06

2. The Role of Functionalization in the Applications of Carbon Materials: An Overview;C — Journal of Carbon Research;2019-12-11

3. Solubilization and Dispersion of Carbon Allotropes in Water and Non-aqueous Solvents;Industrial & Engineering Chemistry Research;2018-09-06

4. Conclusions and Further Outlook;Solubilization and Dispersion of Carbon Nanotubes;2017

5. Dispersion of carbon nanotubes in water and non-aqueous solvents;RSC Advances;2013

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