Fumagalli L.Esteban-Ferrer D.Cuervo A.Carrascosa J.L.Gomila G.2020-12-152020-12-152012http://hdl.handle.net/20.500.12614/2243enAtribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/Label-free identification of single dielectric nanoparticles and viruses with ultraweak polarization forcesresearch article10.1038/nmat3369