Wet Adhesion (IMAGE) University of California - Santa Barbara Caption Wet adhesion to a mica surface: A cationic amine (pink) penetrates the hydration layer, evicting potassium ions (gold balls) and preparing the mica surface for hydrogen bonding (green aura). Credit Illustration by Peter Allen Usage Restrictions None 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.