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Functionalization of ultrashort carbon nanotubes

Grant number: 14/11327-3
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2014
Effective date (End): July 31, 2015
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Eudes Eterno Fileti
Grantee:André Luiz Costa de Arruda
Host Institution: Instituto de Ciência e Tecnologia (ICT). Universidade Federal de São Paulo (UNIFESP). Campus São José dos Campos. São José dos Campos , SP, Brazil


In this project we will employ molecular dynamics simulations to describe, at atomistic resolution, the non-covalent functionalization of ultrashort carbon nanotubes antimicrobial peptides. As amino acids have a wide range of properties, such as hydrophobic character, aromatic surface area and propensity for secondary structures, they offer a unique perspective for functionalization of carbon nanotubes, in particular ultrashort nanotubes. Here, we consider the polypeptides formed by amino acids lysine and arginine, of the AnK type. These polypeptides are amphiphilic and have antibacterial activity so that the nanotube functionalization of these peptides lead to solubilization of the nanotube besides conferring to this antibiotic activity.

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