Realization, characterization and functionalization of lipidic wrapped carbon nanotubes

Gianni Ciofani*, Yosuke Obata, Izumi Sato, Yosuke Okamura, Vittoria Raffa, Arianna Menciassi, Paolo Dario, Naoya Takeda, Shinji Takeoka



10 被引用数 (Scopus)


Mass-produced carbon nanotubes (CNTs) are strongly aggregated and highly hydrophobic, and processes to make them water soluble are required for biological applications. Both covalent and non-covalent strategies are pursued for obtaining stable, highly concentrated CNT aqueous dispersions. Covalent functionalization has the great disadvantage of producing an irreversible chemical modification of nanotubes, thus alterating their mechanical, chemical and electric properties. On the other hand, non-covalent functionalization is often obtained by employing surfactants that sensibly affect cell viability. Moreover, derivatization with biological moieties is often impossible through non-covalent CNT dispersion. This paper proposes a non-covalent dispersion of multi-wall CNT based on a lipidic mixture that can guarantee high concentration and high stability as well as high cytocompatibility. Moreover, CNTs wrapped with a lipid membrane are realized to demonstrate that the proposed CNTs can be functionalised with a dodecapeptide that specifically recognizes activated platelets without chemical modification of the nanotube itself.

ジャーナルJournal of Nanoparticle Research
出版ステータスPublished - 2009 2

ASJC Scopus subject areas

  • バイオエンジニアリング
  • 化学 (全般)
  • 原子分子物理学および光学
  • モデリングとシミュレーション
  • 材料科学(全般)
  • 凝縮系物理学


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