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Yuan LI, Ph. D.

Research Associate
Nanomedicine Group, College of Pharmacy, 984025 Nebraska Medical Center, Omaha, NE 68198-6025
Tel: 402-559-2582 (lab)
E-mail:
yuanli@unmc.edu

Research Interests:
1.  Dynamics of block ionomer complexes (BICs): rates and reactions of BICs with different ionic cores.
2.  Self-assembly system for targeted nanodelivery of protein: polymerization of block copolymers and fabrication of protein encapsulated into the BICs.
3.  Industrial collaborations.

Experience:
11/2003-10/2005  JSPS Postdoctoral Fellow, Department of Materials Science, The University of Tokyo, Japan. Japan Society for the Promotion of Science (JSPS) Fellowship (ID No. P 03309).
Evaluation of different generation dendrimer porphyrins encapsulated into the polymeric micelles for PDT effect: 1) synthesis and characterization of water-soluble diblock and triblock biopolymers; 2) synthesis and characterization of dendrimers; 3) physical properties of polymeric micelles such as size, morphology and stability; 4) In vitro study for the application in drug and gene delivery.

10/2000-09/2003  Ph.D, Chemistry Department, Saga University, Japan. Japanese Monbusho Scholarship.
Preparation and characterization of nanoaggregate (e.g. polymer micelle) using double-hydrophilic block copolymers and surfactants, metal ions, as well as drugs; Synthesis, modification and characterization of polystyrene latexes; Adsorption mechanism and reactions of electron donor and acceptor on PS latex surfaces; Adsorption and release of fluorescence probes in polymer micelles and latexes.

09/1994-07/2000 Bachelor to Master within 6 years, Chemistry Department, Northwest University, China.
Basic knowledge of chemistry; Pharmaceutical research and analytical work with photochemical apparatus.

Recent Publications:
1. “Dendrimer Generation Effects on Photodynamic Efficacy of Dendrimer Porphyrins and Dendrimer-Loaded Supramolecular Nanocarriers” Y. Li, W-D Jang, N. Nishiyama, A. Kishimura, S. Kawauchi, Y. Morimoto, S. Miake, T. Yamashita, M. Kikuchi, T. Aida, K. Kataoka, Chemistry of Materials 2007 in press
2. “Nanoaggregate Formation of Poly(ethylene oxide)-b-polymethacrylate Copolymer Induced by Alkaline Earth Metal Ion Binding”  Yuan Li, Yong-Kuan Gong, and Kenichi Nakashima. Langmuir 2002, 18, 6727.
3. “Fluorescence Studies on the Properties of the Nanoaggregates of Poly(ethylene oxide)-b-polymethacrylate Copolymer Formed by Binding of Cationic Surfactants to Polymethacrylate Block” Yuan Li, and Kenichi Nakashima. Langmuir 2003, 19, 548.
4. “Nanoaggregate Formation of Poly(ethylene oxide)-b-polymethacrylate Copolymer Induced by Cationic Anesthetics Binging”  Y. Li, S. Ikeda, K. Nakashima, and H. Nakamura. Colloid Polymer Sci. 2003, 281, 562.
5. “Resonance Energy Transfer from Dibucaine to Acriflavine in Polystyrene Latex Dispersions” Y. Li, H. Kuwabara, Y.-K. Gong, and K. Nakashima. J. Photochem. Photobiol. B: Biol. 2003, 70, 171.
6. “Preparation and Characterization of Nanoaggregates of Poly(ethylene oxide)-b-polymethacrylate and Poly-L-lysine” Yuan Li, Lu-Jun Ding, Hiroyuki Nakamura and Kenichi Nakashima. J. Colloid Interface Sci. 2003, 264, 561.
7. “Photoluminescent Properties of Rhodamine 6G in the Nanoaggregates of Poly(ethylene oxide)-b-polymethacrylate in Aqueous Solutions” Y. Li, L.-J. Ding, Y.-K. Gong, and K. Nakashima. J. Photochem. Photobiol. A: Chem. 2004, 161, 125.
8. “Morphological Change of the Micelle of Poly(styrene)-b-poly(2-vinylpyridine)-b-poly(ethylene oxide) Induced by Binding of Sodium Dodecyl Sulfate” Anil Khanal, Yuan Li, N. Takisawa, N. Kawasaki, Y. Oishi, and Kenichi Nakashima. Langmuir 2004, 20, 4809.
9. “Intelligent Polyion Complex Micelles Encapsulating Dendrimer Porphyrins for Photodynamic Therapy” Yuan Li, Woo-Dong Jang, Nobuhiro Nishiyama, Yuichi Yamasaki, and Kazunori Kataoka, e-polymers, MACRO 04.07-09.07, 2004.
10. “Physicochemical Properties of Micelles of Poly(styrene-b-2-vinylpyridine-b-ethylene oxide) in Aqueous Solutions” Yuan Li, Anil Khanal, Nobuo Kawasaki, Yushi Oishi, and Kenichi Nakashima, Bull. Chem. Soc. Jpn. 2005, 78, 529.
11. “Fabrication of Nanoaggregates of Poly(ethylene oxide)-b-polymethacrylate by Complex Formation with Chitosan or Methylglycochitosan” A. Khanal, Y. Nakashima, Y. Li, K. Nakashima, K. Kawasaki, and Y. Oishi, Colloids and Surfaces A, 2005, 260, 129.
12.  “Determination of Amoxicillin by Flow Injection On-line Filtration-dilution-atomic Absorption Spectrometry” Li, Yuan; Lang, Huiyun; Li, Hui’e; Xie Zhihai. Fenxi Huaxue(Analytical Chemistry), 28(10), 1252 (2000).
13.  “Determination of Lomefloxacin Hydrochloride by Indirect Atomic Absorption Spectroscopy” Li, Yuan; Lang, Hui-yun; Xie, Zhi-hai. Xibei Daxue Xuebao(J. of Northwest Univ.), 30(1), 39(2000).
14.  “Determination of Diphenhydramine Hydrochloride by Atomic Absorption
Spectroscopy” Li, Yuan; Lang, Hui-yun; Tan, Feng; Xie, Zhi-hai. Fenxi Shiyanshi(Analytical Lab), 19(5), 9(2000)
15.  “Determination of Tetracycline in Pharmaceutical Preparations by Differential Spectrophotometry” Tan, Feng; Lang, Hui-yun; Li, Yuan; Ling, Ya-ping. Fenxi Shiyanshi(Analytical Lab), 19(6), 33(2000).
16.  “Extraction-spectrophotometric Determination of Lomefloxacin” Tan, Feng; Lang, Huiyun; Li, Yuan. Fenxi Huaxue(Analytical Chemistry), 29(5), 561(2001).
17. “Determination of Gentamycin by Indirect Atomic Absorption Spectroscopy” Jiao, Geng-sheng; Li, Yuan; Lang, Hui-yun. Fenxi Shiyanshi(Analytical Lab), 20(6), 55(2001).