Janelia Fluor dye (IMAGE) Howard Hughes Medical Institute Caption Janelia Fluor dyes used to create multifunctional fluorophores that can be used for multiple purposes. Credit Pratik Kumar Usage Restrictions Please use provided caption and credit. 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.