1. Department of Chemical, Biological and Bioengineering, North Carolina A&T State University, Greensboro, North Carolina 27411, United States
2. Department of Chemistry, North Carolina A&T State University, 1601 E Market St, Greensboro, North Carolina 27411, United States
3. Department of Industrial and Systems Engineering, North Carolina A&T State University, Greensboro, North Carolina 27411, United States
4. Department of Nanoengineering, Joint School of Nanoscience and Nanoengineering (JSNN), North Carolina A&T State University, Greensboro, North Carolina 27401, United States
5. Analytical Services Laboratory, College of Agriculture and Environmental Sciences, North Carolina A&T State University, Greensboro, North Carolina 27411, United States