Cleaning Hospital Rooms With Chemicals, UV Rays Cuts Superbug Transmissions (image) Duke University Medical Center Share Print E-Mail Caption During the trial, a Tru-D SmartUVC machine was used in combination with chemical agents to disinfect patient rooms. This is a machine at Duke University Hospital, one of the trial hospitals. Credit Shawn Rocco/ Duke Medicine Usage Restrictions None Share Print E-Mail 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.