@article{Pelaz:150243,
      author        = "Pelaz, B. and Del Pino, P. and Maffre, P. and Hartmann, R.
                       and Gallego, M. and Rivera-Fernández, S. and Fuente, De La
                       and Nienhaus, G. U. and Parak, W. J.",
      title         = "{Surface Functionalization of Nanoparticles with
                       Polyethylene Glycol: Effects on Protein Adsorption and
                       Cellular Uptake}",
      year          = "2015",
}