Injection (IMAGE) University of Bonn Caption Via a cannula introduced into the infarction area, the cells loaded with magnetic nanoparticles are injected into the damaged heart muscle tissue of the mouse. Credit © Photo: Dr. Annika Ottersbach/Uni Bonn Usage Restrictions This photo may be used with the press 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.