Credit: SINCLAIR STAMMERS/SCIENCE PHOTO LIBRARY

Caption: Euglena sanguinea (Ehrenberg), recorded using dark field illumination. These single-celled photosynthetic organisms are swimming slowly with rotation around the long axis. Cells often appear to glide on the substrate. From stagnant fresh water with abundant rotting vegetation. This species has numerous red granules containing astaxanthin among other carotenoids scattered in the cytoplasm, the granules may provide protection of cell structures from UV-B radiation. The equipment used was a Olympus BH2 microscope, an Olympus 20X S-Plan objective, X2.5 NFK Photoeyepiece and a JVC GY-HD101E video camera, with a horizontal field of view of approximately 700 microns, average size of Euglena is 100 micrometres.

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Keywords: 10 seconds or greater, aquatic, biological, biology, cells, colliding, euglena, euglena sanguineum, film, freshwater, light micrograph, living, magnification, many, micro organism, micro-organism, microbiology, microscope, microscopy, motion, moving, multiple, optical, photosynthetic, pond life, protista, protozoa, protozoan, real time, research, singe-celled, single cell, unicellular, yellow

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Euglena protozoa, light micrograph

K001/9905 Rights Managed

Downloadable master

Duration: 00:00:40.13

Frame size: 1280x720

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 857.3M

Original

Capture format: HDV

Codec: Photo - JPEG

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