Nanosensor expresses plant stress (IMAGE) University of California - San Diego Caption The image depicts three Arabidopsis leaf surface pores, or stomata, expressing the new SNACS stress nanosensor developed by UC San Diego plant biologists. Credit Schroeder Lab, UC San Diego Usage Restrictions Must be used in conjunction with plant nanosensor paper in eLife. 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.