Different forms of nanomaterials produced at the EPFL. Examples of different forms of nanomaterials produced at the EPFL. a) Confocal micrograph of cells exposed to Cy3.5 labelled nanoparticles (red). b) High resolution transmission electron micrograph of superparamagnetic iron oxide nanoparticles. c) Optical micrograph of V2O5 nanowires . d) Transmission electron micrograph of V2O5 nanowires. e) Suspension of gold nanoparticles. f) Transmission electron micrograph of gold/silica core-shell nanoparticles. g) Scanning Electron Micrograph of aligned carbon nanotubes forest  h) Transmission Electron Micrograph of carbon nanotubes produced by Chemical Vapour Deposition.