Functional mRNA (IMAGE) Georgia Institute of Technology Caption Cells that are normally bright green turn bright red after lipid nanoparticles have delivered an mRNA cargo encoding Cre. Cells that are red contain the mRNA, while green cells do not. Credit Daryll Vanover, Georgia Tech 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.