Affiliation: | 1. Physics of Complex Fluids Group, University of Twente (The Netherlands);2. Nanobiophysics Group, Faculty of Science and Technology and MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE, Enschede (The Netherlands), Fax: (+31)?53‐489‐1105;3. Medical Cell Biophysics, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente (The Netherlands), Fax: (+31) 53‐489‐3511 |