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Importance of aromatic content for peptide/single-walled carbon nanotube interactions.

Zorbas, V, Smith, AL, Xie, H, Ortiz-Acevedo, A, Dalton, AB, Dieckmann, GR, Draper, RK, Baughman, RH and Musselman, IH (2005) Importance of aromatic content for peptide/single-walled carbon nanotube interactions. J Am Chem Soc, 127 (35). pp. 12323-12328.

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Abstract

We have previously demonstrated that a designed amphiphilic peptide helix, denoted nano-1, coats and debundles single-walled carbon nanotubes (SWNTs) and promotes the assembly of these coated SWNTs into novel hierarchical structures via peptide-peptide interactions. The purpose of this study is to better understand how aromatic content impacts interactions between peptides and SWNTs. We have designed a series of peptides, based on the nano-1 sequence, in which the aromatic content is systematically varied. Atomic force microscopy measurements and optical absorption spectroscopy reveal that the ability to disperse individual SWNTs increases with increasing aromatic residues in the peptide. Altogether, the results indicate that pi-stacking interactions play an important role in peptide dispersion of SWNTs.

Item Type: Article
Authors :
NameEmailORCID
Zorbas, VUNSPECIFIEDUNSPECIFIED
Smith, ALUNSPECIFIEDUNSPECIFIED
Xie, HUNSPECIFIEDUNSPECIFIED
Ortiz-Acevedo, AUNSPECIFIEDUNSPECIFIED
Dalton, ABa.dalton@surrey.ac.ukUNSPECIFIED
Dieckmann, GRUNSPECIFIEDUNSPECIFIED
Draper, RKUNSPECIFIEDUNSPECIFIED
Baughman, RHUNSPECIFIEDUNSPECIFIED
Musselman, IHUNSPECIFIEDUNSPECIFIED
Date : 7 September 2005
Identification Number : https://doi.org/10.1021/ja050747v
Uncontrolled Keywords : Hydrocarbons, Aromatic, Microscopy, Atomic Force, Nanotechnology, Nanotubes, Carbon, Peptides, Protein Structure, Secondary, Spectrum Analysis
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:09
Last Modified : 17 May 2017 15:09
URI: http://epubs.surrey.ac.uk/id/eprint/838184

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