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Open Access Green as soon as Postprint is submitted to ZB.
DNA origami nanoneedles on freestanding lipid membranes as a tool to observe isotropic-nematic transition in two dimensions.
Nano Lett. 15, 649-655 (2015)
We introduce a simple experimental system to study dynamics of needle-like nanoobjects in two dimensions (2D) as a function of their surface density close to the isotropic-nematic transition. Using fluorescence correlation spectroscopy, we find that translational and rotational diffusion of rigid DNA origami nanoneedles bound to freestanding lipid membranes is strongly suppressed upon an increase in the surface particle density. Our experimental observations show a good agreement with results of Monte Carlo simulations of Brownian hard needles in 2D.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Dna Origami ; Fluorescence Correlation Spectroscopy ; Isotropic−nematic Transition ; Lipid Membrane ; Rotational Diffusion ; Translational Diffusion; Folding Dna; Nanoscale Shapes; Amyloid Fibrils; Curvature; Surface; Spectroscopy; Tubulation; Interfaces; Vesicles; Nanorods
ISSN (print) / ISBN
1530-6984
e-ISSN
1530-6992
Journal
Nano Letters
Quellenangaben
Volume: 15,
Issue: 1,
Pages: 649-655
Publisher
American Chemical Society (ACS)
Publishing Place
Washington
Reviewing status
Peer reviewed
Institute(s)
Institute of Pancreatic Islet Research (IPI)