Theoretical studies of surfactants: theory of micelle formation - quantitative approach to predicting micellar properties from surfactant molecular structure, R. Nagarajan; Modelling association and adsorption of surfactants, Luuk K. Koopal. Physicochemical properties of surfactants at air-liquid interface and in solutions: adsorption of vesicle-forming surfactants at the air-water interface Makoto Aratono, Masumi Villeneuve, and Norihiro Ikeda; physicochemical properties of bile salts, Minoru Ueno and Hiroyuki Asano; characterization and functionalization of biosurfactants, Yutaka Ishigami; physicochemical properties of ring-structured surfactants, Yoshifumi Koide and Kunio Esumi; dimeric (Gemini) surfactants, Raoul Zana; fluorinated surfactants having two hydrophobic chains, Norio Yoshino; surface-active properties of telomer-type surfactants having several hydrocarbon chains, Tomokazu Yoshimura and Kunio Esumi; viscoelastic surfactant solutions, Heinz Hoffmann; microstructures of nonionic surfactant-water systems - from dilute micellar solution to liquid crystal phase, Tadashi Kato; association behaviour of amphiphilic dendritic polymers, Toyoko Imae; polymer/surfactant systems, Raoul Zana; highly concentrated cubic phase-based emulsions Md. Hemayet Uddin, Hironobu Kunieda, and Conxita Solans. Surfactant behaviours at solid-liquid interface: adsolubilization and related phenomena, Claude Treiner; adsorption of polymer and surfactant from their binary mixtures on an oxide surface, Kunio Esumi; dispersion of particles by surfactants, Kunio Esumi; arrangement of adsorbed surfactants on solid surfaces by AFM observation, Masatoshi Fujii.