Closing the Gate to Mitochondria (IMAGE) University of Freiburg Caption This is a zoom-in of an electrospray capillary (left) transferring proteins into the orifice of a mass spectrometer (right). Using this technology, the scientists analyzed mitochondria with a 'gate' closed for proteins (cartoon) at molecular level. Credit Christian D. Peikert Usage Restrictions The image may only be used with appropriate caption or credit. 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.