1. Institute of Chemistry, Far East Department of Russian Academy of Sciences, 159, Ave. 100-letiya Vladivostoka, Vladivostok 690022, Russia, Leibniz Institute of Polymer Research Dresden, Hohe Strasse 6, D-01069 Dresden, Germany, and Center of Excellence for Polysaccharide Research, Friedrich Schiller University of Jena, Humboldtstrasse 10, D-07743 Jena, Germany