At the annual meetings ofthe "Fast Reactions in Solution Discussion Group" of the Royal Society of Chemistry, an increasing number of contributions is concerned with reactions in complex liquids, where the solvents cannot be regarded as homogeneous media but where their microstructure has to be taken into account. In order to summarize the different aspects of those solvents, the 1988 meeting of the group has been held as a symposium devoted to "Compartmentalized Liquids". The contributions concerned different fields of science from mathematics, physics, and chemistry to food research and pharmacy. Thus it was appropriate to organize the meeting afthe Zentrum fUr interdiszipliniire Forschung at Bielefeld. Envisaging compartmentalized liquids on a scale descending size, we may order the systems described in this volume from colloidal solutions, gels, hydro col loids, membranes, vesicles, microemulsions, micellar solutions, macrocyclic complexes to "cages" involved in bimolecular encounter. In recent years many experimental and theoretical studies have been performed on those systems, and they are also of growing interest for technical applications. Two important reasons for the investigation of compartmentalized liquids as reaction media are: i) they are suited for performing reactions between water-soluble and oil-soluble reactants, ii) they provide large internal interfaces, where reactions may be catalyzed. Due to the large interfaces, the diffusion of molecules is restricted, and for the theoretical treatment of reaction rates in these systems the concept offractal geometry seems to be appropriate. Therefore contribu tions concerning fractals are included in this volume.

Micellar Solutions and Microemulsions

Microemulsions as Liquid Media for Chemical Reactions
Lipases as Examples for Enzymes in Reverse Micelles
Aerosol-OT and Igepal Water-in-Oil Microemulsions: Compartmentation and Properties of Methemoglobin
Deprotonation and Alkylation of 1,3-Indandiones in a Water/n-Heptane/n-Octyl-Phenyl-Pentaoxyethylene Microemulsion
Kinetics of Azide Binding to Chloroperoxidase in Water and Reversed Micelles of Sodium Dodecylsulphate, Hexanol and Water
Water Droplet Coalescence Rates in Water-in-Oil Microemulsions
Diffusion-Controlled Fluorescence Quenching in Micelles
Micellar Effects on Xanthates Decomposition
Evaluation of Keratin Cystine Reactivity in Microemulsion Media
Kinetic and Equilibrium Studies Associated with the Partitioning of Alcohols in Micelles
Further Compartmentalized Liquids
Spectroscopic Studies of Rotational Diffusion and Protein-Protein Interactions in Biological Membranes
Kinetics of Potential-Sensitive Fluorescent Dye Interaction with Lipid Vesicles and Application to the Measurement of Membrane Potential Transients Generated by the Na, K-Pump
Dynamic Changes of Lipids and Bacteriorhodopsin in DMPC Bilayer Vesicles
Holographic Investigations of Aqueous Suspensions of Purple Membranes
The Study of Elementary Reactions at Interfaces Using Diffuse Reflectance Laser Flash Photolysis
A Flash Photolysis Study of Colloidal Cadmium Sulphide
Kinetics of Dye/?-Cyclodextrin Interactions
Kinetics and Mechanism of Conformational Ordering of Food Biopolymers
Fast Reactions in Pharmacy
Theory of Fast Reactions in Compartmentalized Liquids
Fractals and Reactions on Fractals
Fractals in Diffusion-Controlled Kinetics
Diffusion Control of Reactions with Supramolecular Aggregates
Diffusionand Steric Effects in Very Fast Reactions
Statistical Mechanics of Fast Reactive Processes.