Guoan Zheng, California Institute of Technology (image) California Institute of Technology Share Print E-Mail Caption Lemelson-MIT Caltech Student Prize winner Guoan Zheng demonstrates his sub-pixel resolving optofluidic microscope. Credit Caltech/Vicki Chiu Usage Restrictions Permission to use with credit as given above. Share Print E-Mail 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.