1. University College London, Department of Chemical Engineering and EPSRC Frontier Engineering Centre for Nature Inspired Engineering,
Torrington Place, London, WC1E 7JE, UK
2. Rensselaer Polytechnic Institute, Department of Chemical and Biological Engineering and Center for Biotechnology and Interdisciplinary Studies,
110 Eighth Street, Troy, NY 12180, USA ;
3. University College London, Department of Chemical Engineering and EPSRC Frontier Engineering Centre for Nature Inspired Engineering,
Torrington Place, London, WC1E 7JE, UK ; ;