1. Biomedical Engineering Graduate Program, University of Western Ontario, London, Ontario N6A 5B9, Canada
2. Chemical and Biochemical Engineering Department, University of Western Ontario, London, Ontario N6A 5B9, Canada
3. Department of Chemistry, University of Western Ontario, London, Ontario N6A 5B7, Canada
4. Soochow−Western Centre for Synchrotron Radiation Research, University of Western Ontario, London, Ontario N6A 5B7, Canada