1. Department of Chemical Engineering; Waterloo Institute for Nanotechnology; Institute for Polymer Research, and Centre for Bioengineering and Biotechnology; 200 University Avenue W Waterloo ON N2L 3G1 Canada
2. Chemical Physics Interdisciplinary Program and Liquid Crystal Institute; Kent State University; Kent OH 44242 USA
3. Complex Fluids Group; Wigner Research Centre; H-1121 Budapest Hungary