Zempleni and Guo (IMAGE) University of Nebraska-Lincoln Caption Jiantao Guo (left), professor of chemistry, and Janos Zempleni, Willa Cather Professor of molecular nutrition, were selected as Phase 1 winners in the National Institutes of Health's Targeted Genome Editor Delivery Challenge. Credit University Communication & Marketing, University of Nebraska-Lincoln Usage Restrictions No restrictions. License Public Domain 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.