Patrick Kiser, Ph.D. (IMAGE) University of Utah Caption University of Utah bioengineer Patrick Kiser has discovered a new class of compounds that stick to the AIDS virus' sugary coating to prevent it from infecting cells. The new substances may provide a way to prevent sexual transmission of the virus. Credit University of Utah Usage Restrictions None 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.