Sergey Koroidov, Umeå University (IMAGE) Umea University Caption This shows collaborating researcher Sergey Koroidov working in green light with the mass spectrometric experiments. Credit Faculty of Science and Technology, Umeå University 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.