1. Department of Chemistry University of Illinois at Chicago 845 West Taylor Street Chicago IL 60607 USA
2. Center for Biomolecular Sciences University of Illinois at Chicago 900 South Ashland Avenue Chicago IL 60607 USA
3. Flexterra Inc 8025 Lamon Avenue Skokie IL 60077 USA
4. Institute of Next Generation Matter Transformation College of Chemical Engineering Huaqiao University 668 Jimei Boulevard, Chicago Fujian 351021 P. R. China