The Promise of Mechanoceuticals (IMAGE) UCLA Samueli School of Engineering Caption A magnet pulls small magnetic particles inside a gel to control a neural cell's flow of certain ions. Credit UCLA Samueli Engineering 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.