1. Department of Chemical and Biochemical Engineering, University of Iowa, Iowa City, Iowa 52242, United States
2. Kut Technical Institute, Middle Technical University, Kut, Wasit, Iraq
3. Department of Chemistry, University of Iowa, Iowa City, Iowa 52242, United States
4. Departments of Chemistry and Biochemistry, Nanoengineering, and Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093, United States
5. Department of Civil and Environmental Engineering, University of Iowa, Iowa City, Iowa 52242, United States