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Chaos / Volume 21 / Issue 4 / GALLERY OF NONLINEAR IMAGES
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Chaos 21, 041102 (2011); http://dx.doi.org/10.1063/1.3666225 (1 page)

Four-dimensional structural dynamics of sheared collagen networks

Richard C. Arevalo, Jeffrey S. Urbach, and Daniel L. Blair

Department of Physics, Georgetown University, Washington, DC 20057, USA

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(Received 30 August 2011; published online 20 December 2011)

Abstract unavailable.

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KEYWORDS and PACS

Keywords

adhesion, buckling, elastic constants, elasticity, fluorescence, molecular biophysics, polymer fibres, polymer gels, proteins, rheology, soft matter, substrates

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3666225

PUBLICATION DATA

ISSN

1054-1500 (print)  
1089-7682 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

  1. C. Storm, J. J. Pastore, F. C. MacKintosh, T. C. Lubensky, and P. A. Janmey, Nature 435, 191 (2005). [MEDLINE]
  2. P. A. Janmey, M. E. McCormick, S. Rammensee, J. L. Leight, P. C. Georges, and F. C. MacKintosh, Nature Mater. 6, 48 (2007). [MEDLINE]
  3. R. C. Arevalo, J. S. Urbach, and D. L. Blair, Biophys. J. 99, L65 (2010).

Figures (click on thumbnails to view enlargements)

FIG.1
(Color) (i) Rheometer steel plate, (ii) 70-μm-thick fluorescently labeled collagen fiber network (red) with concentration c = 0.25 mg/ml and stiffness G0 = 2 Pa embedded with blue fluorescent microspheres, (iii) interface, (iv) 34-μm-thick polyacrylamide gel with stiffness G0 = 376 Pa embedded with yellow-green fluorescent microspheres accumulated primarily at the gel boundaries, (v) glass coverslip. Collagen gel preparation is similar to the procedure described in Ref. 3. Continuous shear strain γ is applied at a strain rate math = 10%  h-1. Each image is a 25-μm-thick maximum-projection in XY with the optical Z-axis in the vertical direction and applied shear in the horizontal direction (enhanced online) [URL: http://dx.doi.org/10.1063/1.3666225.1 ].

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