File:Phototaxis-of-synthetic-microswimmers-in-optical-landscapes-ncomms12828-s1.ogv

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Phototaxis-of-synthetic-microswimmers-in-optical-landscapes-ncomms12828-s1.ogv ‎(Ogg Theora video file, length 1 min 12 s, 720 × 576 pixels, 75 kbps, file size: 659 KB)

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English: Supplementary Movie 1 It shows the directed motion of a dilute suspension of synthetic photo-active microparticles (2.7 μm diameter) in a light profile with period length L = 33.5 μm, segment length ratio a/b = 0.22 and modulation amplitude ΔI = 1.0 μW/μm2 (top), 0.7 μW/μm2 (middle), 0.2 μW/μm2 (bottom). Under the imposed light field, the active colloids align with the +x-direction. At smaller amplitudes ΔI, the degree of alignment decreases, which leads to a reduction of the directed motion. Moreover, as visible in the movie, around the minima of I(x) the particles perform a back and forth motion due to opposite torques. With increasing ΔI, the velocity variations become smaller and an almost steady particle motion is observed. The movie is in real time.
Date
Source Video file from Lozano C, ten Hagen B, Löwen H, Bechinger C (2016). "Phototaxis of synthetic microswimmers in optical landscapes". Nature Communications. DOI:10.1038/ncomms12828. PMID 27687580. PMC: 5056439.
Author Lozano C, ten Hagen B, Löwen H, Bechinger C
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This file is licensed under the Creative Commons Attribution 4.0 International license.
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This file was transferred to Wikimedia Commons from PubMed Central by way of the Open Access Media Importer.
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Date/TimeThumbnailDimensionsUserComment
current18:20, 29 October 20161 min 12 s, 720 × 576 (659 KB)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 480P 18 kbps Completed 17:26, 13 October 2018 20 s
Streaming 480p (VP9) Not ready Unknown status
VP9 360P 13 kbps Completed 17:26, 13 October 2018 15 s
Streaming 360p (VP9) Not ready Unknown status
VP9 240P 9 kbps Completed 17:26, 13 October 2018 11 s
Streaming 240p (VP9) 10 kbps Completed 21:34, 5 December 2023 1.0 s
WebM 360P 117 kbps Completed 18:20, 29 October 2016 15 s
Streaming 144p (MJPEG) 765 kbps Completed 21:46, 18 November 2023 3.0 s

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