1. Laboratory
of Polymer Chemistry and Technology, Department of Chemistry, Aristotle University of Thessaloniki, GR-541 24 Thessaloniki, Macedonia, Greece
2. School
of Materials and National Graphene Institute, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
3. Chemistry
Department, University of Ioannina, P. O. Box 1186, 45110 Ioannina, Greece
4. Department
of Food Technology, Technological Educational Institute of Thessaloniki, P. O. Box
141, GR-57400 Thessaloniki, Greece