Doing More with Less (IMAGE) University of Freiburg Caption This is immunofluorescence staining of matrix proteins in engineered cartilage. Credit Institut für Makromolekulare Chemi 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.