Conversion of lignocellulosic biomass compounds into value-added products and developing catalysts for these conversions using nanotechnological approaches; gasification of lignocellulosic biomass in aqueous media; development of biodegradable films, various applications of advanced oxidation processes; evaluation of the effects of radio frequency heating on the food quality characteristics of food products; extraction, purification and identification of bioactive, nutraceutical, and other value-added products from various sources.