Saliva-based Covid test-2 (IMAGE) Penn State Caption Electrical engineering doctoral students Aneesh Kshirsagar (left) and Tianyi Liu (right) were part of the project team that developed the RT-LAMP test, under principal investigator Weihua Guan, associate professor of electrical engineering and of biomedical engineering (center). Two Penn State electrical engineering alumni, Tianyi Liu and Jiarui Cui (not pictured), also were critical members of the team. Credit Kelby Hochreither, Penn State Usage Restrictions Educational use only 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.