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Choon Y. Lee
Assistant Professor In Chemistry
Education
M.S. Chemistry, Northeastern University in Boston (1997)
Ph.D. Biomedical Sciences, concentration in Medicinal Chemistry, Northeastern University in Boston (2000)
Contact Information
343 Dow Hall, Dept. Chemistry
Phone: (989) 774-3289 Fax: (989)-774-3883
e-mail:: lee1cy@cmich.edu
Research Fields
Synthesis of dendrimers Development of effective bioconjugation linkers
Development of benign plasticizers
Current Research Projects
My current research projects are as follows.
1. Synthesis of dendrimer-based drug delivery vehicle
My research group is presently synthesizing various dendrimers to use as drug delivery vehicles. The dendrimer surface will be modified with drug molecules and targeting agents. The targeting agents will direct the dendrimer-drug conjugate to the diseased site, thus localizing therapeutics in the target organ. The drug delivery vehicle we are developing can be used for many different diseases by changing the surface drug molecules and targeting agents.
2. Synthesis and evaluation of bioconjugation linkers
Another area of my research is the development of effective bioconjugation linkers. Most currently available bioconjugation linkers have functional groups that are unstable in water, thus not useful for biological agents. In my laboratory, we are developing hetero-bi-functional linkers that contain two different reactive ends that are stable in water. These linkers will then join two biomolecules in a simple and efficient manner.
3. Synthesis of benign plasticizers
Plasticizers are chemicals added to plastics to increase their flexibility. Since the plasticizer molecules are not covalently attached to the plastics, they can leach out. Many currently used plasticizers are toxic and therefore pose health hazards. Our aim is to develop plasticizers which are nontoxic to humans. We are trying to develop the plasticizers using amino acids and biodegradable bio-based materials (e.g. lactic acid, ethanol, succinic acid, lysine, etc).
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Selected Publications
1. Desai, A.; Lee, C.; Sharma, L.; Sharma, A. Lysozyme refolding with cyclodextrins: Structure activity relationship. Biochimie, 2006, 88, 1435-1445.
2. Hanson, R.N.; Lee, C.Y.; Friel, C., "Novel steroidal anti-estrogens and anti-androgens and uses thereof". 2006, Patent No: 7,041,839.
3. Hanson, R.N.; Lee, C.Y.; Friel, C.; Dillis, R.; Hughes, A.; DeSombre, E. Synthesis and evaluation
of 17a-20E-21-(4-substituted phenyl)-19-norpregna-1,3,5(10),20-tetraene-3,17ß-diols as probes
for the estrogen receptor a hormone binding domain. J. Med. Chem. 2003, 46, 2865-2876.
4. Hanson, R.N.; Lee, C.Y.; DeSombre, E.; Hughes, A. Evaluation of 17?-E-(trifluoromethyl
phenyl) vinyl estradiols as novel estrogen receptor ligands. Steroids, 2003, 68(2), 143-148.
5. Sebag, A.; Hanson, R.N.; Forsyth, D.; Lee, C.Y. Conformational studies of novel estrogen receptor ligands by 1D and 2D NMR spectroscopy and computational methods. Magn. Reson. Chem. 2003, 41, 246-252.
6. Lee, C.Y.; Hanson, R.N. Solid Phase Synthesis of 17?-E/Z-(X-Phenyl)-Vinyl Estradiols Using The Stille Coupling Reaction. Tetrahedron, 2000, 56, 1623-1629.
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