Search Thermo Fisher Scientific
Search Thermo Fisher Scientific
One PS-Speck™ green-fluorescent microsphere (Cat. no. P7220) used for point-spread function analysis. Shown are individual images, in pseudocolor, taken in x-y planes with 0.25 µm increments in the z-axis between planes. The image was contributed by Regina Armstrong, Uniformed Services University of the Health Sciences, Bethesda, Maryland.