1. Department of Chemical & Biomedical Engineering, University of Maine, Orono, ME, USA
2. Forest Bioproducts Research Institute, University of Maine, Orono, ME, USA
3. Department of Chemistry, University of Maine, Orono, ME, USA
4. Advanced Structures and Composites Center, University of Maine, Orono, ME, USA
5. Frontier Institute for Research in Sensor Technology, University of Maine, Orono, ME, USA