Photo 2 (IMAGE) National University of Singapore Caption Glycosylation reaction setup using a photoreactor of 460-470 nm wavelength (blue light). Chemical ingredients were typically added into reaction vials, sealed and allowed to vigorously stir at room temperature under 12 W blue light illumination for 24 hours. Credit Nature Usage Restrictions NA 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.