New Method (image) Paul Scherrer Institute Share Print E-Mail Caption André Prévôt (right) und Urs Baltensperger at the newly developed device that analyses molecules in particulate matter. Credit Paul Scherrer Institute/Mahir Dzambegovic Usage Restrictions All media, such as photos, graphics and videos may only be used in the editorial context of these contents, naming the author. Archiving of this media is not permitted. 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.