Fig. 2 (IMAGE) Osaka University Caption Bioluminescence imaging of human cultured cells transfected with eNLEX. (A) HeLa cells expressing each color of eNLEX. Scale bar: 20 μm. (B) A mixture of cells of each color. Scale bar: 100 μm. (C) Time course observation (hours: minutes). Scale bar: 100 μm. All images were taken with a color CMOS camera. Credit 2025 Nagai et al., Creating coveted bioluminescence colors for simultaneous multi-color bioimaging., Science Advances Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.