Silica Nanocapsules (IMAGE) Georgia Institute of Technology Caption This scanning electron microscopy image shows the nanocapsules once formed after the removal of the gold nanoparticles and polystyrene beads, leaving behind an opening that can be used to fill the capsules with a payload. Credit Jichuan Qiu 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.