BIGTUNA Bioimaging Tool (IMAGE) DOE/Pacific Northwest National Laboratory Caption One of the custom-built nano-optical system precursors to the BIGTUNA bioimaging device. Credit Photo by Patrick El-Khoury | Pacific Northwest National Laboratory 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.