1. Chemistry Department, The University of Texas at El Paso, 500 West University Avenue, El Paso, Texas 79968, United States
2. UC Center for Environmental Implications of Nanotechnology
(UC CEIN), The University of Texas at El Paso, 500 West University
Avenue, El Paso, Texas 79968, United States
3. Texas AgriLife Research Center at El Paso, Texas A&M University System, 1380 A & M Circle, El Paso, Texas 79927, United States
4. Environmental Science and Engineering Ph.D.
Program, The University of Texas at El Paso, 500 West University Avenue, El Paso, Texas 79968, United States
5. Department of Public Health Sciences, The University of Texas at El Paso, 500 West University Avenue, El Paso, Texas 79968, United States