1979 Photomicrography Competition

Stalked protozoan attached to a filamentous green algae with bacteria on its surface

Paul W. Johnson

Affiliation
University of Rhode Island
Kingston, Rhode Island, USA
Technique
Nomarski Differential Interference Contrast
Magnification
160x

A broad spectrum antibiotic, doxycycline, dissolved in water and sputter coated with gold

David Gnizak

Affiliation
Ferro Corporation Research Center
Independence, Ohio, USA
Technique
Transmitted Polarized Light
Magnification
25x