1. Department of Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, California 90095, USA
2. California NanoSystems Institute, University of California Los Angeles, Los Angeles, California 90095, USA
3. Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California 90095, USA
4. Department of Microbiology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
5. Department of Physiology, University of California Los Angeles, Los Angeles, California 90095, USA