1. Laboratório de Engenharia de Processos; Ambiente, Biotecnologia e Energia; Faculdade de Engenharia da Universidade do Porto; Rua Dr. Roberto Frias 4200-465 Porto Portugal
2. Laboratory of Photonics and Interfaces; Institut des Sciences et Ingénierie Chimiques; École Polytechnique Fédérale de Lausanne; Station 6 1015 Lausanne Switzerland
3. Department of Chemistry; University of Zurich; 8057 Zurich Switzerland