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Multifunctional, biocompatible and pH-responsive carbon nanotube- and graphene oxide/tectomer hybrid composites and coatings

Garriga, Rosa, Jurewicz, Izabela, Seyedin, Shayan, Bardi, Niki, Totti, Stella, Matta-Domjan, Brigitta, Velliou, Eirini G., Alkhorayef, Mohammed A., Cebolla, Vicente L., Razal, Joselito M., Dalton, Alan B. and Muñoz, Edgar 2017, Multifunctional, biocompatible and pH-responsive carbon nanotube- and graphene oxide/tectomer hybrid composites and coatings, Nanoscale, doi: 10.1039/c6nr09482a.

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Title Multifunctional, biocompatible and pH-responsive carbon nanotube- and graphene oxide/tectomer hybrid composites and coatings
Author(s) Garriga, Rosa
Jurewicz, Izabela
Seyedin, Shayan
Bardi, Niki
Totti, Stella
Matta-Domjan, Brigitta
Velliou, Eirini G.
Alkhorayef, Mohammed A.
Cebolla, Vicente L.
Razal, Joselito M.
Dalton, Alan B.
Muñoz, Edgar
Journal name Nanoscale
Total pages 14
Publisher Royal Society of Chemistry
Place of publication London, Eng.
Publication date 2017-02-10
ISSN 2040-3372
Summary Here we present a route for non-covalent functionalization of carboxylated multi-walled carbon nanotubes and graphene oxide with novel two-dimensional peptide assemblies. We show that self-assembled amino-terminated biantennary and tetraantennary oligoglycine peptides (referred to as tectomers) effectively coat carboxylated multi-walled carbon nanotubes and also strongly interact with graphene oxide due to electrostatic interactions and hydrogen bonding as the driving force, respectively. The resulting hybrids can be made into free-standing conducting composites or applied in the form of thin, pH-switchable bioadhesive coatings onto graphene oxide fibers. Monitoring of cell viability of pancreatic cell lines, seeded on those CNT hybrids, show that they can be used as two- and three-dimensional scaffolds to tissue engineer tumour models for studying ex vivo the tumour development and response to treatment. This highly versatile method in producing pH-responsive hybrids and coatings offers an attractive platform for a variety of biomedical applications and for the development of functional materials such as smart textiles, sensors and bioelectronic devices.
Notes In press
Language eng
DOI 10.1039/c6nr09482a
Field of Research 091205 Functional Materials
100708 Nanomaterials
Socio Economic Objective 860406 Synthetic Fibres
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, The Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30091443

Document type: Journal Article
Collection: Institute for Frontier Materials
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