1. Woodruff School of Mechanical Engineering and Petit Institute for Bioengineering and Bioscience; Georgia Institute of Technology; Atlanta Georgia 30332
2. Materials Engineering Department; Franciscan University Center; Santa Maria RS 97010-491 Brazil
3. Department of Chemistry and Biochemistry; University of South Carolina; Columbia South Carolina 29208
4. A&Q NanoDesigns, LLC; Columbia South Carolina 29201