1. Division of Medicinal Chemistry, College of
Pharmacy, The University of Texas at Austin, Austin, Texas 78712, United States
2. Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
3. Nano Materials Center, Korea Institute of Science and Technology, Seoul, 136-791,
Republic of Korea
4. Chemical
and Materials Engineering Department, California State Polytechnic University, Pomona, 3801 West Temple Avenue,
Pomona, California 91768, United States
5. Nanomedicine Laboratory, Centre for Drug Delivery Research,
The School of Pharmacy, University of London, 29−39 Brunswick Square, London WC1N 1AX, United Kingdom