Lipid-Modulated Assembly of Magnetized Iron-Filled Carbon Nanotubes in Millimeter-Scale Structures
スポンサーリンク
概要
- 論文の詳細を見る
Biomolecule-functionalized carbon nanotubes (CNTs) combine the molecular recognition properties of biomaterials with the electrical properties of nanoscale solid state transducers. Application of this hybrid material in bioelectronic devices requires the development of methods for the reproducible self-assembly of CNTs into higher-order structures in an aqueous environment. To this end, we have studied pattern formation of lipid-coated Fe-filled CNTs, with lengths in the 1–5 μm range, by controlled evaporation of aqueous CNT-lipid suspensions. Novel diffusion limited aggregation structures composed of end-to-end oriented nanotubes were observed by optical and atomic force microscopy. Significantly, the lateral dimension of assemblies of magnetized Fe-filled CNTs was in the millimeter range. Control experiments in the absence of lipids and without magnetization indicated that the formation of these long linear nanotube patterns is driven by a subtle interplay between radial flow forces in the evaporating droplet, lipid-modulated van der Waals forces, and magnetic dipole–dipole interactions.
- 2007-04-30
著者
-
Ryan John
Bionanotechnology Irc Dept. Of Physics Oxford Univ.
-
Toledo Nashville
Bionanotechnology Irc Physics Department University Of Oxford
-
De Planque
Bionanotechnology Irc Physics Dept. Clarendon Lab. University Of Oxford
-
Antoranz Contera
Bionanotechnology Irc Physics Dept. Clarendon Lab. University Of Oxford
-
Ryan John
Bionanotechnology IRC, Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom
-
Grobert Nicole
Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, United Kingdom
-
Toledo Nashville
Bionanotechnology IRC, Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom
-
Antoranz Contera
Bionanotechnology IRC, Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom
関連論文
- 3P-084 高速AFMによる紫膜中のバクテリオロドプシン分子間相互作用の直接観察(膜蛋白質,第46回日本生物物理学会年会)
- An immunosensor based on N-doped multiwalled carbon nanotubes
- Membranes as Self-Assembling Coating of Solid State Device Components : Integration of Submicron Electrical Circuitry with Biological Systems
- Biosensing with CN_x multi-wall carbon nanotubes
- 2P532 High-resolution dynamic imaging of membrane proteins by high-speed AFM(52. Bio-imaging,Poster Session,Abstract,Meeting Program of EABS & BSJ 2006)
- Bionanotechnology with Membrane Proteins : Mechanics and Electronics
- Lipid-Modulated Assembly of Magnetized Iron-Filled Carbon Nanotubes in Millimeter-Scale Structures