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Issue 30, 2014
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Virus particle assembly into crystalline domains enabled by the coffee ring effect

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Abstract

Tobacco mosaic virus particles can be rapidly assembled into 3D-domains by capillary flow-driven alignment at the triple contact-line of an evaporating droplet. Virus particles of ∼150 Å diameter can be resolved within individual domains at the outer rim of the “coffee-ring” type residue by atomic force microscopy. The crystalline domains can also be probed by X-ray microdiffraction techniques. Both techniques reveal that the rod-like virus particles are oriented parallel to the rim. We further demonstrate the feasibility of collection of hk0 reflection intensities in GISAXS geometry and show it allows calculating a low-resolution electron density projection along the rod axis.

Graphical abstract: Virus particle assembly into crystalline domains enabled by the coffee ring effect

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Publication details

The article was received on 21 Feb 2014, accepted on 08 May 2014 and first published on 08 May 2014


Article type: Paper
DOI: 10.1039/C4SM00414K
Citation: Soft Matter, 2014,10, 5458-5462
  • Open access: Creative Commons BY-NC license
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    Virus particle assembly into crystalline domains enabled by the coffee ring effect

    R. Gebhardt, J. Teulon, J. Pellequer, M. Burghammer, J. Colletier and C. Riekel, Soft Matter, 2014, 10, 5458
    DOI: 10.1039/C4SM00414K

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