1. Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina 29208, USA
2. Pacific Northwest National Laboratory, Richland, Washington 99352, USA
3. BASF Corporation, Iselin, New Jersey 08830, USA
4. Faculty of Chemistry and Pharmacy, University of Sofia, Blvd. J. Bauchier 1, BG-1126 Sofia, Bulgaria
5. University of Illinois at Chicago, Chicago, Illinois 60607, USA