Cell analysis (IMAGE) Goethe University Frankfurt Caption The genetic changes in the CAR-NK cells can be checked in a so-called flow cytometer (FACS). Prof. Evelyn Ullrich, Tobias Bexte (from left). Credit Peter Kiefer for Goethe University Usage Restrictions To be used only when reporting on Goethe University Frankfurt or Universitaetsmedizin Frankfurt, Germany. Indicate copyright: Peter Kiefer for Goethe University 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.