Microscopy Image of a Single Multi-Compartmentalized Capsule (image) University of Bristol Share Print E-Mail Caption Darkfield microscopy image of a single multi-compartmentalized capsule containing thousands of catalytic protocells that decompose hydrogen peroxide into water and oxygen gas. Credit Dr. Pierangelo Gobbo and Dr. B. Pavan Kumar, University of Bristol Usage Restrictions Single use only - for use with press release. Share Print E-Mail 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.