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Bio-functionalization of multi-walled carbon nanotubes

: Majumder, A.; Khazaee, M.; Opitz, J.; Beyer, E.; Baraban, L.; Cuniberti, G.


Physical chemistry, chemical physics : PCCP 15 (2013), Nr.40, S.17158-17164
ISSN: 1463-9076
Fraunhofer IWS ()
Fraunhofer IZFP, Institutsteil Dresden ( Fraunhofer IZFP-D) ()

Here we present a hybrid approach to functionalize multi-walled carbon nanotubes in aqueous solution, exploring a non-covalent binding strategy. We focus on formation of hybrid complexes consisting of carbon nanotubes decorated by single stranded DNA, non-covalently attached using surfactants as intermediate layers. Unlike single walled carbon nanotubes, revealing easy side wall wrapping of DNA, we observe that wrapping of nucleic acids around multi-walled carbon nanotubes is diameter dependent.