Effect of Agarose Properties on the Separation of m-SWCNTs and s-SWCNTs by the AGE

Abstract

Abstract: The agarose gel electrophoresis(AGE) is one of the low-cost, large-scale technologies for the separation of metallic single-walled carbon nanotubes(m-SWCNTs) and semiconducting single-walled carbon nanotubes(s-SWCNTs). In this paper, AGE technique was used to investigate the influence of the properties of MB, Agarose, Agarose B and LRU on the separating efficiency of SWCNTs. By characterizing their UV-Vis-NIR absorption spectra, we found that different agarose had little influence on the separating efficiency of s-SWCNTs, and had a great effect on the separating efficiency of m-SWCNTs. Furthermore, by comparing the properties of differents agarose gel including gel strength, mesh size and so on, we consider that the major factors in separating efficiency of m-SWCNTs are the gel strength and gel mesh size. The results indicate that the smaller mesh size of the gel is favorable to the enrichment of m-SWCNTs, while the higher gel strength is unfavorable.

Key words: Single-walled carbon nanotube, Separation, Agarose gel electrophoresis(AGE), Gel strength, Mesh size

TrendMD:

ZHANG Jing, WEN Xiao-Nan, LI Hong-Bo, JIN He-Hua, SONG Qi-Jun*, LI Qing-Wen*. Effect of Agarose Properties on the Separation of m-SWCNTs and s-SWCNTs by the AGE[J]. Chem. J. Chinese Universities, 2010, 31(11): 2190.

References

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