1. Department of Chemical and Biological Engineering Montana State University Bozeman MT 59717 USA
2. Center for Biofilm Engineering Montana State University Bozeman MT 59717 USA
3. Department of Chemistry & Biochemistry Florida State University Tallahassee FL 32306 USA
4. Ion Cyclotron Resonance Program, National High Magnetic Field Laboratory Florida State University Tallahassee FL 32310 USA