Structure of a Laboratory Filter Paper (IMAGE) Technical University of Munich (TUM) Caption The team used conventional laboratory filter paper as a structural template due to its long fibers and the stable structure. Credit Photo: Institute for Complex Systems /Rome Usage Restrictions Publish only together with news release 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.