Optically Excited Quantum Dots (2 of 2) (image) The Optical Society Caption Optically excited quantum dots in close proximity to a cell control the opening of ion channels. Credit Image adapted fromJiang et al., Chem. Mater., 2006, 18 (20), pp 4845-4854. Usage Restrictions None 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.