1. Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, U.K.
2. Manchester Fuel Cell Innovation Centre, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, U.K.
3. Microbiology at Interfaces, Department of Life Sciences, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, U.K.
4. Department of Computing and Mathematics, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, U.K.