This volume includes 35 contributions to the 24th Conference of the European Colloid and Interface Society which took place in September 2010 in Prague. The contributions from leading scientists cover a broad spectrum of the following topics: Self-assembling, Stimuli-responsive and Hierarchically Organized Systems Colloid, Polymer and Polyelectrolyte Solutions; Concentrated Systems and Gels Thin Films, Interfaces and Surfaces; Wetting Phenomena Novel Nano-to-Mesostructured Functional Materials Biologically Important and Bioinspired Systems; Pharmaceutical and Medical ApplicationsANGELINA ANGELOVA, BORISLAV ANGELOV, RADA MUTAFCHIEVA, VASIL M. GARAMUS,SYLVIANE LESIEUR, S?RGIO S. FUNARI, REGINE WILLUMEIT AND PATRICK COUVREUR: Swelling of a sponge lipid phase via incorporation of a nonionic amphiphile: SANS and SAXS Studies.- ELISE LEJEUNE, CHRISTOPHE CHASSENIEUX, OLIVIER COLOMBANI :PH INDUCED DESAGGREGATION OF HIGHLY HYDROPHILIC AMPHIPHILIC DIBLOCK COPOLYMERS IDA H?GBERG, FREDRIK ANDERSSON, ERIK HEDENSTR?M, MAGNUS NORGREN, H?KAN EDLUND:THE INTERACTION PARAMETER IN BINARY SURFACTANT MIXTURES OF A CHELATING SURFACTANT AND A FOAMING AGENT Marian Zaborski, Marcin MasBowski:Magnetorheological elastomer composites Francois Muller, Anniina Salonen, Martin Dulle, Otto Glatter: Salt-induced Behavior of Internally Self-assembled Nanodrops: Understanding Stabilization by charged Colloids Mar?a-Jos? Pastoriza-Gallego, Ver?nica S?nchez-Paz, Laurence S. Romsted, Carlos Bravo-D?az: Distribution of tert-butylhydroquinone in a corn oil/C12E6/water based emulsion. Application of the pseudophase kinetic model. M. LUTY-BLOCHO, K. PACAAWSKI, W. JAWORSKI , B. STRESZEWSKI, AND K. FITZNER: KINETIC STUDIES OF GOLD NANOPARTICLES FORMATION IN THE BATCH AND IN THE FLOW MICROREACTOR SYSTEM UTE B?HME, BRIGITTE H?NEL, ULRICH SCHELER: INFLUENCE OF THE COUNTERIONS ON THE BEHAVIOUR OF POLYELECTROLYTES Osami Kuroda, Hiroshige Seto, Takayuki Narita, Michio Yamanaka and Yushi Oishi: Liposome DelĂ"