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Issue 34, 2013
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Intrinsic curvature determines the crinkled edges of “crenellated disks”

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Abstract

Elastic curvature constants determine many structural and functional properties of fluid membranes. Methods to measure the mean curvature modulus have proved to be robust. In contrast, Gaussian curvature is an intrinsic property of a surface. Thus, measuring the relevant modulus [k with combining macron] in fluid membranes remains a challenging task. Inspired from colloidal “crenellated disks” observed in a model system composed of hard rods, we propose a concise relation between the two curvature moduli and the parameters associated with the free, crinkled edges. Our approach offers a straightforward way to determine [k with combining macron] of these reconfigurable membranes, where various complex topologies can be nanosculpted. Further, we reveal the structure and stability of the “crenellated disks.”

Graphical abstract: Intrinsic curvature determines the crinkled edges of “crenellated disks”

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Publication details

The article was received on 15 Feb 2013, accepted on 25 Mar 2013 and first published on 10 Apr 2013


Article type: Paper
DOI: 10.1039/C3SM50488C
Soft Matter, 2013,9, 8210-8215

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    Intrinsic curvature determines the crinkled edges of “crenellated disks”

    C. N. Kaplan, T. Gibaud and R. B. Meyer, Soft Matter, 2013, 9, 8210
    DOI: 10.1039/C3SM50488C

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