Functional natural polymers - a new dimensional creativity in lignocellulosic chemistry; chemical structures of cellulose, hemicelluloses and lignin; reactivity and accessibility of cellulose, hemicellulose and lignins chemical modification of cellulose; chemical modification of lignin; chemical modification of solid wood; liquefaction of wood; surface modification and activation of wood; chemical modification of nonwood lignocellulosics; characterization of chemically modified wood; weathering of chemically modified wood; physical and mechanical properties of chemically modified wood; viscoelastic properties of chemically modified wood; biological properties of chemically modified wood.