Figure 1 (IMAGE) Science China Press Caption (a) Photos of colony-forming units (CFU) for S. aureus incubated on LW-PBI-based films under white light irradiation (90 mW/cm2, 10 min). (b) Plot of absorbance recorded at 291 nm of the UA solution in PBS buffer versus time using a home-made conceptual device. Inset: A schematic representation of the proof-of-concept device. Credit ©Science China Press Usage Restrictions Use with credit. 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.