Spray Coating (IMAGE) Duke University Caption After mixing self-assembling polymers with antibiotics, the infection-preventing coating is sprayed on to human intramedullary hip implants with a simple perfume bottle. Credit Segura Laboratory and Bertha Laboratory Usage Restrictions None License Original 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.