1. Laboratory
of Industrial Chemistry
and Reaction Engineering Process Chemistry Centre, Åbo Akademi University, FIN-20500 Åbo/Turku, Finland
2. Laboratory of Industrial Physics,
Department of Physics and Astronomy, University of Turku, FI-20014 Turku, Finland
3. Spectroscopy Group, Institute of Macromolecular Compounds RAS, 199004 Saint-Petersburg,
Bolshoy pr. 31, Russia