Water Purification Video Abstract (VIDEO) Cell Press This video is under embargo. Please login to access this video. Caption This video abstract shows how researchers used edge-functionalized graphitic carbon nitride (g-C3N4) as photocatalytic disinfectants to purify pathogen-rich water in 30 minutes with a disinfection efficiency of over 99.9999 percent under visible-light irradiation, which meets the requirement for drinking water. Credit Teng and Yang et al./<em>Chem</em> Usage Restrictions Credit Required 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.