1. Centre of Excellence for Polysaccharide Research; Institute of Organic Chemistry and Macromolecular Chemistry; Friedrich Schiller University of Jena; Humboldtstraße 10 07743 Jena Germany
2. Thuringian Institute of Textile and Plastics Research (TITK); Breitscheidstraße 97 07407 Rudolstadt Germany
3. Institute of Chemistry; University of São Paulo; Prof. Lineu Prestes Av. 748 05508-000 São Paulo SP Brazil