Oleaginous Microalga Nannochloropsis (IMAGE) Tokyo Institute of Technology Caption Left panel: Light microscopic image of Nannochloropsis. Lipid droplets look slightly bluish by light refraction. Right panel: Fluorescence micrograph of that accumulated a large amount of oils. With color-coding, green indicates chloroplasts, and yellow oil droplets. Credit Tokyo Institute of Technology 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.