Medina (IMAGE) Penn State Caption A research team led by Scott Medina, assistant professor of biomedical engineering at Penn State, has developed a small protein that can target a specific pathogen to attach to and destroy without harming good bacteria. Credit The Medina Group/Penn State Usage Restrictions non commercial use only 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.