GINGIVITIS (IMAGE) University of Cincinnati Caption University of Cincinnati Senior Research Associate Daewoo Han holds an at-home test that uses saliva to detect gingivitis that he and UC Distinguished Research Professor Andrew Steckl developed in their NanoLab. Credit Andrew Higley Usage Restrictions None License Original 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.