1. Particle Technology LaboratoryInstitute of Process EngineeringDepartment of Mechanical and Process EngineeringETH Zürich Sonneggstrasse 3 Zurich CH‐8092 Switzerland
2. Institute for Particle TechnologyTechnische Universität Braunschweig Volkmaroder Strasse 5 Braunschweig 38104 Germany
3. Particles‐Biology InteractionsDepartment Materials Meet LifeSwiss Federal Laboratories for Materials Science and Technology (Empa) Lerchenfeldstrasse 5 St. Gallen CH‐9014 Switzerland
4. Nanoparticle Systems Engineering LaboratoryInstitute of Process EngineeringDepartment of Mechanical and Process EngineeringETH Zürich Sonneggstrasse 3 Zurich CH‐8092 Switzerland