1. Department of Analytical Chemistry
2. University of Barcelona
3. E-08028 Barcelona
4. Spain
5. Institute of Physical Chemistry “Rocasolano”
6. CSIC
7. E-28006 Madrid
8. Institute of Molecular Biology of Barcelona (IBMB-CSIC)
9. 08028 Barcelona
10. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC)
11. CIBER-BBN
12. E-08034 Barcelona
13. BIOESTRAN