Engineered Nanosponges (IMAGE) Experimental Biology Caption Researchers created engineered nanosponges (right) from red blood cells (RBC). The nanosponges capture and inactivate toxins produced by bacteria, thus reducing damage to cells. Credit Tamara Escajadillo, University of California, San Diego 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.