Chemistry in a Bubble (IMAGE) Max-Planck-Gesellschaft Caption Vesicles with different reactants have different fluorescent substances in their membranes (a). When the bubbles fuse, red fluorescent nanoparticles form (b). The particles can be seen as bright dots under the transmission electron microscope (c). Credit Image: Max Planck Institute of Colloids and Interfaces Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.