Farming Natural Killer Exosomes (IMAGE) Michigan Medicine - University of Michigan Caption Two large natural killer immune cells are surrounded by their much smaller exosomes on the NK-GO microfluidic chip developed at the University of Michigan. Credit Image courtesy of Yoon-Tae Kang and Zeqi Niu. Usage Restrictions With credit. 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.