1. Environmental
Science and Engineering PhD Program, The University of Texas at El Paso, 500 West University Avenue, El Paso, Texas 79968, United States
2. Chemistry
Department, The University of Texas at El Paso, 500 West University
Avenue, El Paso, Texas 79968, United States
3. University
of California 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
4. Department
of Biology, Western Kentucky University, Bowling Green, Kentucky 42101, United States
5. Biology
Department, The University of Texas at El Paso, 500 West University
Avenue, El Paso, Texas 79968, United States