Melissa Skala (IMAGE) Morgridge Institute for Research Caption A new imaging method developed by the Skala lab uses the natural autofluorescence within cells to assess T cell activity. The technique could help assess T cell involvement in immunotherapies. Credit Morgridge Institute for Research 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.