Role of pH Controlled DNA Secondary Structures in the Reversible Dispersion/Precipitation and Separation of Metallic and Semiconducting Single-walled Carbon Nanotubes

Nanoscale, 2013, Accepted Manuscript
DOI: 10.1039/C3NR05045A, Paper

Basudeb Maji, Suman K Samanta, Santanu Bhattacharya
Abstract. Single-stranded DNA (ss-DNA) oligomers (dA20, d[(C3TA2)3C3] or dT20) are able to disperse single-walled carbon nanotubes (SWNTs) in water at pH 7 through non-covalent wrapping on the nanotube surface. At...
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