Researchers (IMAGE) National University of Singapore Caption Prof Liu Xiaogang (right) and Dr Chen Qiushui (left) developed perovskite nanocrystals which, when used as a scintillator material in X-ray imaging, reduce the required radiation dose to deliver higher resolution imaging. Credit National University of Singapore 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.