[1] Univ Penn, Dept Mech Engn & Appl Mech, Philadelphia, PA 19104 USA
[2] Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
[3] Univ Illinois, Dept Mech & Ind Engn, Chicago, IL USA
[4] Drexel Univ, Dept Chem, Philadelphia, PA 19104 USA
[5] Michigan Technol Univ, Houghton, MI 49931 USA
[6] Calif State Univ Los Angeles, Chico, CA 95929 USA
[7] Tokyo Metropolitan Univ, Tokyo 158, Japan
[8] Tokyo Univ Agr & Technol, Tokyo, Japan
[9] QED Technol, Rochester, NY USA