1. Department of Chemical and Environmental Engineering, Illinois Institute of Technology, Chicago, Illinois 60616, Glaxo Wellcome Manufacturing Pte Ltd., 1 Pioneer Sector 1, Singapore, 628413, Argonne National Laboratory, Building 438 E, APS, 9700 South Cass Avenue, Argonne, Illinois 60439, Institute of Biophysics and X-ray Structure Research, Austrian Academy of Sciences, Schmiedlstrasse 6, A 8042, Graz, Austria, and Physics Division, Illinois Institute of Technology, Chicago, Illinois 60616