1993 Photomicrography Competition

Petrified compacted reed

John I. Koivula

Affiliation
Gemological Institute of America
Carlsbad, California, USA
Technique
Rheinberg Illumination
Magnification
10x

Broken glass fiber yarn with polyester covering

Marc Van Hove

Affiliation
Centexbel
Zwijnaarde, Belgium
Technique
Brightfield
Magnification
10x

Triple exposure of human squamous skin cancer cell culture

Dr. Nancy Kedersha

Affiliation
ImmunoGen, Inc.
Cambridge, Massachusetts, USA
Technique
Fluorescence
Magnification
125x