1. Center for Bioengineering and Department of Chemical Engineering; University of California Santa Barbara; Santa Barbara CA 93106 USA
2. Bioenergy and Biome Science Group; Bioscience Division; Los Alamos National Laboratory; Los Alamos NM 87545 USA
3. Department of Physical Sciences - Chemistry; Dixie State University; Saint George UT 84770 USA
4. Department of Chemistry and Biochemistry; Northern Arizona University; Flagstaff AZ 86011 USA