Microscopy images of droplets (IMAGE)

Northwestern University

Microscopy images of droplets

Caption

Optical microscopy image (left) in reflectance mode shows drying marks of all droplets collected on a polyaniline film, but only those modified by acid (right) are visible under transmission mode as they change the color of the underlying polyaniline film from blue to green. Scale bar: 200 microns.

Credit

Northwestern University

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