1. Laboratory for Macromolecular and Organic Chemistry, and Soft Matter Cryo-TEM Research Unit, Eindhoven University of Technology, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands, EM Unit, Department of Pathology, University of Maastricht, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands, FEI Company, Achtseweg Noord 5, 5651 GG, Eindhoven, The Netherlands, Department of Periodontology and Biomaterials, Radboud University Nijmegen Medical Center, 6500 HB...