1. Department of Chemical and Biomedical Engineering, University of Maine, Orono, Maine 04469, United States
2. Forest Bioproducts Research Institute, University of Maine, Orono, Maine 04469, United States
3. Department of Chemical Engineering, University of Florida, Gainesville, Florida 32612, United States
4. Frontier Institute for Research in Sensor Technology, University of Maine, Orono, Maine 04469, United States