1. Department of Electrical and Computer Engineering, University of California, Los Angeles, California 90095, United States
2. California NanoSystems Institute (CNSI), University of California, Los Angeles, California 90095, United States
3. Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
4. Department of Bioengineering, University of California, Los Angeles, California 90095, United States
5. Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, California 90095, United States