1. Nanobiophysics Group, MIRA Institute
for Biomedical Technology and Technical Medicine, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands
2. Laboratory of Biophysics, Wageningen University, P.O. Box 8128, 6700 ET, Wageningen,
The Netherlands
3. The MacDiarmid
Institute for Advanced
Materials and Nanotechnology, School of Chemical and Physical Sciences, Victoria University of Wellington, P.O. Box 600, Wellington
6140, New Zealand
4. MicroSpectroscopy
Centre, Wageningen University, P.O. Box
8128, 6700 ET, Wageningen,
The Netherlands