1. Department of Bioengineering, University of California, Los Angeles, California 90095, United States
2. California NanoSystems Institute, University of California, Los Angeles, California 90095, United States
3. Institute of Food Safety and Environment Monitoring, College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China
4. Jonsson Comprehensive Cancer Center, University of California, Los Angeles, California 90095, United States
5. Center for Minimally Invasive Therapeutics, University of California, Los Angeles, California 90095, United States
6. College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, P. R. China