PALM and Cellulases (image) DOE/Lawrence Berkeley National Laboratory Caption PALM -- photo-activated localization microscopy -- enables researchers to quantify how and where enzymes are binding to the surface of cellulose in heterogeneous surfaces, such as those in plant cell walls. Credit Image courtesy of Blanch, et. al Usage Restrictions credit Blanch, Liphardt, Clark, et. al, Berkeley Lab 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.