U.
S. Patent 6719955 B1
U.
S. Patent 6890500 B2
Contact Prof. Hwu:
Prof. Shiou-Jyh Hwu
Department of Chemistry
Clemson University
Clemson, SC 29634-0973
Tel: (864) 656-5031
Fax: (864) 656-6613
Email: shwu@clemson.edu