File:LudusScope-Accessible-Interactive-Smartphone-Microscopy-for-Life-Science-Education-pone.0162602.s019.ogv

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Original file (Ogg multiplexed audio/video file, Theora/Vorbis, length 17 s, 1,280 × 720 pixels, 1.29 Mbps overall, file size: 2.61 MB)

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English: Euglena and Volvox phototaxis. Other microorganisms such as Volvox can be investigated simultaneously with Euglena. While Euglena shows a negative photactic response (swims away from the light), Volvox shows positive phototaxis and is thus attracted by the light. Note also how the hydrodynamic flow fields generated by Volvox affect the motion of nearby Euglena. Euglena are approx. 50–80 micrometer in length; Volvox about 300 micrometer in diameter. Speed is real-time.
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Source S9 Video from Kim H, Gerber L, Chiu D, Lee S, Cira N, Xia S, Riedel-Kruse I (2016). "LudusScope: Accessible Interactive Smartphone Microscopy for Life-Science Education". PLOS ONE. DOI:10.1371/journal.pone.0162602. PMID 27706189. PMC: 5051900.
Author Kim H, Gerber L, Chiu D, Lee S, Cira N, Xia S, Riedel-Kruse I
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Date/TimeThumbnailDimensionsUserComment
current05:30, 29 October 201617 s, 1,280 × 720 (2.61 MB)Open Access Media Importer Bot (talk | contribs)Automatically uploaded media file from Open Access source. Please report problems or suggestions here.

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Format Bitrate Download Status Encode time
VP9 720P 693 kbps Completed 07:08, 2 September 2018 24 s
VP9 480P 429 kbps Completed 07:08, 2 September 2018 19 s
VP9 360P 319 kbps Completed 07:08, 2 September 2018 14 s
VP9 240P 253 kbps Completed 07:08, 2 September 2018 13 s
WebM 360P 582 kbps Completed 05:32, 29 October 2016 23 s
QuickTime 144p (MJPEG) Not ready Unknown status

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