Single-molecule fluorescence microscopy and Raman spectroscopy studies of RNA bound carbon nanotubes

Rahul Rao; Janet Lee; Qi Lu; Gayatri Keskar; Katherine O. Freedman; William C. Floyd; Apparao M. Rao; Pu Chun Ke

doi:10.1063/1.1813631

Single-molecule fluorescence microscopy and Raman spectroscopy studies of RNA bound carbon nanotubes

Rahul Rao, Janet Lee, Qi Lu, Gayatri Keskar, Katherine O. Freedman, William C. Floyd, Apparao M. Rao, Pu Chun Ke

Research output: Contribution to journal › Article › Research › peer-review

23 Citations (Scopus)

Abstract

While present studies on the integration of single-walled carbon nanotubes (SWNTs) with biomolecules have centered primarily on deoxyribonucleic acid and proteins, this report is focused on the binding of SWNTs with ribonucleic acid polymer poly(rU). We present fluorescence and spectroscopic evidences for the binding of poly(rU) molecules along the contour of isolated SWNTs which suggests that the π-stacking may dominate the hydrophobic interaction between the poly(rU) bases and the π-electrons of the SWNTs.

Original language	English
Pages (from-to)	4228-4230
Number of pages	3
Journal	Applied Physics Letters
Volume	85
Issue number	18
DOIs	https://doi.org/10.1063/1.1813631
Publication status	Published - 1 Nov 2004
Externally published	Yes

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AU - Rao, Rahul

AU - Lee, Janet

AU - Lu, Qi

AU - Keskar, Gayatri

AU - Freedman, Katherine O.

AU - Floyd, William C.

AU - Rao, Apparao M.

AU - Ke, Pu Chun

PY - 2004/11/1

Y1 - 2004/11/1

N2 - While present studies on the integration of single-walled carbon nanotubes (SWNTs) with biomolecules have centered primarily on deoxyribonucleic acid and proteins, this report is focused on the binding of SWNTs with ribonucleic acid polymer poly(rU). We present fluorescence and spectroscopic evidences for the binding of poly(rU) molecules along the contour of isolated SWNTs which suggests that the π-stacking may dominate the hydrophobic interaction between the poly(rU) bases and the π-electrons of the SWNTs.

AB - While present studies on the integration of single-walled carbon nanotubes (SWNTs) with biomolecules have centered primarily on deoxyribonucleic acid and proteins, this report is focused on the binding of SWNTs with ribonucleic acid polymer poly(rU). We present fluorescence and spectroscopic evidences for the binding of poly(rU) molecules along the contour of isolated SWNTs which suggests that the π-stacking may dominate the hydrophobic interaction between the poly(rU) bases and the π-electrons of the SWNTs.

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Single-molecule fluorescence microscopy and Raman spectroscopy studies of RNA bound carbon nanotubes

Abstract

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