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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
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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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
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
Zeitschrift
Nano Letters
Quellenangaben
Band: 15,
Heft: 1,
Seiten: 649-655
Verlag
American Chemical Society (ACS)
Verlagsort
Washington
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Pancreatic Islet Research (IPI)