The platinum-water interface. (IMAGE) University of Jyväskylä - Jyväskylän yliopisto Caption An oxygen molecule (pink) binds to a potassium ion (green) at the platinum-water interface. Credit Marko Melander Usage Restrictions no 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.