File:Fluctuating-Nonlinear-Spring-Model-of-Mechanical-Deformation-of-Biological-Particles-pcbi.1004729.s011.ogv
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Size of this JPG preview of this OGG file: 774 × 599 pixels. Other resolutions: 310 × 240 pixels | 620 × 480 pixels | 992 × 768 pixels | 1,281 × 992 pixels.
Original file (Ogg Theora video file, length 27 s, 1,281 × 992 pixels, 8.32 Mbps, file size: 26.85 MB)
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[edit]DescriptionFluctuating-Nonlinear-Spring-Model-of-Mechanical-Deformation-of-Biological-Particles-pcbi.1004729.s011.ogv |
English: Dynamic force spectroscopy in silico : Forced indentation of CCMV capsid along the 2-fold symmetry axis. The movie shows the forced indentation experiment in silico on the CCMV shell, in which a compressive force is applied along the 2-fold symmetry axis (side view). The CCMV capsid is positioned on a solid mica surface (small gray colored beads). The cantilever base is moving with the velocity νf = 1.0 μm/s perpendicular to the surface of the CCMV shell. As a result, the cantilever tip (large gray colored sphere of radius Rtip = 20 nm) exerts pressure onto the outer surface of the CCMV shell, which undergoes a series of transformations: Heartzian deformation at the early stage of indentation is followed by the bending deformation of the shell side portions, leading to the structural collapse of the capsid. The beams forming the “capsid barrel” fail but not all the same time, which demonstrates the stochastic nature of collapse transitions in vertical beams. Also, formation of small cracks gradually developing into structural damage is clearly observed. The movie stops when the indentation depth X reaches X = 20 nm. The duration of the indentation experiment is ∼40 ms and the length of the movie is ∼33 s (the movie is played ∼825 times slower than the experiment). |
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Source | S1 Movie from Kononova O, Snijder J, Kholodov Y, Marx K, Wuite G, Roos W, Barsegov V (2016). "Fluctuating Nonlinear Spring Model of Mechanical Deformation of Biological Particles". PLOS Computational Biology. DOI:10.1371/journal.pcbi.1004729. PMID 26821264. PMC: 4731076. | ||
Author | Kononova O, Snijder J, Kholodov Y, Marx K, Wuite G, Roos W, Barsegov V | ||
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![]() ![]() This file is licensed under the Creative Commons Attribution 4.0 International license.
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current | 11:25, 7 February 2016 | 27 s, 1,281 × 992 (26.85 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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Short title | Dynamic force spectroscopy in silico : Forced indentation of CCMV capsid along the 2-fold symmetry axis. |
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Author | Kononova O, Snijder J, Kholodov Y, Marx K, Wuite G, Roos W, Barsegov V |
Usage terms | http://creativecommons.org/licenses/by/4.0/ |
Image title | The movie shows the forced indentation experiment in silico on the CCMV shell, in which a compressive force is applied along the 2-fold symmetry axis (side view). The CCMV capsid is positioned on a solid mica surface (small gray colored beads). The cantilever base is moving with the velocity νf |
Software used | Xiph.Org libtheora 1.1 20090822 (Thusnelda) |
Date and time of digitizing | 2016-01 |