OC-17 Binding (IMAGE) University of Warwick Caption OC-17 binds and encourages the nanoparticles of calcium carbonate to transform into "calcite crystallites." Credit University of Warwick 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.