Shuang Li (IMAGE) Umea University Caption Shuang Li, postdoctoral fellow at the Department of Chemistry at Umeå University. Credit Anna Shevtsova Usage Restrictions Free to publish. 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.