1. Empa, Swiss Federal Laboratories for Materials Science and TechnologyLaboratory for Biomimetic Membranes and Textiles Lerchenfeldstrasse 5 9014 St. Gallen Switzerland
2. Adolphe Merkle InstituteUniversity of Fribourg Chemin des Verdiers 4 1700 Fribourg Switzerland
3. Department of Pure and Applied ChemistryUniversity of StrathclydeThomas Graham Building 295 Cathedral Street Glasgow G1 1XL UK