Time Comparisons (IMAGE) University of Washington Caption Two of the UW's fibers (white) made of different ingredients are shown dissolving. When the materials come into contact with moisture, they rapidly hydrate and dissolve to form gels. The gel could then spread around the vagina during sex to deliver the drug. Credit U of Washington Usage Restrictions Photo 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.