Novel ingestible capsule X-ray dosimeter researchers (IMAGE) National University of Singapore Caption Prof Liu Xiaogang (left) and Dr Hou Bo from the NUS Department of Chemistry were key members of the team that developed the novel capsule dosimeter. Credit National University of Singapore Usage Restrictions NA License Original 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.