1. Department of Molecular and Biomedical Sciences; University of Maine; Orono Maine 04469 USA
2. Graduate School of Biomedical Science and Engineering; University of Maine; Orono Maine 04469 USA
3. Seahorse Bioscience, Inc.; North Billerica Massachusetts 01862 USA
4. Department of Chemical and Biological Engineering and the Laboratory for Surface Science & Technology; University of Maine; Orono Maine 04469 USA