Miniaturization has cost and time-saving advantages for numerous applications in chemistry, pharmacy, medicine and biotechnology. Additionally, microreaction technology offers new solutions for the automobile industry and environmental technology, e.g. fuel cells, or mobile sensor systems for on-the-spot analysis. Therefore, the 3rd International Conference on Microreaction Technology - IMRET 3 is an important forum for creating awareness of the wide variety of the new trends in this up-and-coming discipline.