Phase Contrast Technique

Mr. Edwin Lee

2011

Carrollton, Texas, USA

Specimen: Paramecia contractile vacuoles, which regulate water pressure within the protozoan's body

Technique: Phase contrast illumination

Mr. Charles Krebs

2009

Issaquah, WA, USA

Specimen: Haematococcus pluvialis (Unicellular Algae)

Technique: Phase contrast

Mr. James Nicholson

2011

NOAA/NOS/NCCOS Fort Johnson Marine Resources Center

Charleston, South Carolina, USA

Specimen: Live coral Goniastrea sp., known as green brain coral. One full polyp in the center is shown with four surrounding polyps. Walled corallites are purple.

Technique: Phase contrast illumination

Mr. Edwin Lee

2012

Carrollton, Texas, USA

Specimen: Henbit (Lamium amplexicaule) stamens anthers and filaments.

Technique: Phase contrast