1. Radical degradation of high molar mass hyaluronan induced by ascorbate plus cupric ions testing of arbutin in the function of antioxidant / K. Valachov,̀ P. Rapta, M. Slovk̀ov,̀ E. Priesolov,̀ M. Nagy, D. Mislovi?ov,̀ F. Drf̀i, K. Bauerov,̀ and L. ?oltš -- 2. Diffusion of electrolytes and non-electrolytes in aqueous solutions : a useful strategy for structural interpretation of chemical systems / Ana C. F. Ribeiro, Joaquim J. S. Natividade, Artur J. M. Valente, and Victor M. M. Lobo -- 3. Frictional and elastic components of the viscosity of concentrated solutions polystyrene in toluene / Yu. G. Medvedevskikh, O. Yu. Khavunko, L. I. Bazylyak, and G. E. Zaikov -- 4. Update on reinforcement mechanisms of polymer nanocomposites / G. V. Kozlov, Yu. G. Yanovskii, and G. E. Zaikov -- 5. Modification of arabinogalactan with isonicotinic acid hydrazide / R. Kh. Mudarisova, L. A. Badykova, and Yu. B. Monakov -- 6. Natural polymer sorbents for wastewater purification from industrial dyes / F. F. Niyazi, V. S. Maltseva, and A. V. Sazonova -- 7. The interaction of azobisisobutyronitrile with diketocarboxylic acid in the polymerization of methyl methacrylate / E. I. Yarmukhamedova, Yu. I. Puzin, and Yu. B. Monakov -- 8. Radical polymerization of methyl methacrylate in the presence of nitrogen compound / E. I. Yarmukhamedova, Yu. I. Puzin, and Yu. B. Monakov -- 9. Degradation of poly(3-hydroxybutyrate) and its derivatives : characterization and kinetic behavior / A. P. Bonartsev, A. P. Boskhomodgiev, A. L. Iordanskii, G. A. Bonartseva, A. V. Rebrov, T. K. Makhina, V. L. Myshkina, S. A. Yakovlev, E. A. Filatova, E. A. Ivanov, and D. V. Bagrov -- 10. Electrochemical methods for estimation of antioxidant activity of various biological objects / N. N. Sazhina, E. I. Korotkova, and V. M. Misin -- 11. Development of conducting polymers : (pt. 1) / A. K. Haghi and G. E. Zaikov -- 12. Development of conducting polymers : (pt. 2) / A. K. Haghi and G. E. Zaikov -- 13. Development of conducting polymers : (pt. 3) / A. K. Haghi and G. E. Zaikov -- 14. Development of conducting polymers : (pt. 4) / A. K. Haghi and G. E. Zaikov -- 15. Development of conducting polymers : (pt. 5) / A. K. Haghi and G. E. Zaikov -- 16. Development of conducting polymers : (pt. 6) / A. K. Haghi and G. E. Zaikov.