Airway Delivery (IMAGE) University of Iowa Health Care Caption Fluorescence image of lung tissue section shows delivery of GFP-NLS protein (green) to mouse airways using amphiphilic peptide. Credit Paul McCray, University of Iowa Usage Restrictions Image may be used for informational or educational purposes only with appropriate 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.