Ziaie Grippers (2 of 2) (IMAGE) Purdue University Caption IMAGE CAPTION: The graspers were coated with magnetic particles, which could allow researchers to retrieve the devices in the field by using a magnet. (Manuel Ochoa, Purdue University) A publication-quality image is available at http://news.uns.purdue.edu/images/2012/ziaie-grippers.jpg Credit Manuel Ochoa, Purdue University 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.