Surface carboxyl groups on polystyrene nanoparticles are able to trigger clathrin-mediated endocytosis and strongly facilitate internalization of negatively charged nanoparticles by mesenchymal stem cells (MSCs).
Specific effects of surface carboxyl groups on anionic polystyrene particles in their interactions with mesenchymal stem cells
Xiue Jiang, Anna Musyanovych, Carlheinz Röcker, Katharina Landfester, Volker Mailänder and G. Ulrich Nienhaus
Nanoscale, 2011, DOI: 10.1039/C0NR00944J
