Molecular Flags on Human Stem Cells (image) Babraham Institute Share Print E-Mail Caption Use of the immunofluorescent microscopy visualization technique reveals the presence of specific proteins in naive human embryonic stem cells. The stem cells have been colored to represent the different proteins detected in this study. Credit Dr. Sarita Panula, Karolinska Institute. Usage Restrictions None Share Print E-Mail 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.