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  Membrane-Mediated Self-Organization of Rod-Like DNA Origami on Supported Lipid Bilayers

Khmelinskaia, A., Franquelim, H. G., Yaadav, R., Petrov, E. P., & Schwille, P. (2021). Membrane-Mediated Self-Organization of Rod-Like DNA Origami on Supported Lipid Bilayers. Advanced Materials Interfaces, 8(24): 2101094. doi:10.1002/admi.202101094.

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Adv Materials Inter - 2021 - Khmelinskaia - Membrane‐Mediated Self‐Organization of Rod‐Like DNA Origami on Supported Lipid.pdf (Publisher version), 3MB
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Adv Materials Inter - 2021 - Khmelinskaia - Membrane‐Mediated Self‐Organization of Rod‐Like DNA Origami on Supported Lipid.pdf
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Open access funding enabled and organized by Projekt DEAL.

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 Creators:
Khmelinskaia, Alena1, Author              
Franquelim, Henri G.1, Author              
Yaadav, Renukka1, Author
Petrov, Eugene P.1, Author              
Schwille, Petra1, Author              
Affiliations:
1Schwille, Petra / Cellular and Molecular Biophysics, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565169              

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Free keywords: ATOMIC-FORCE MICROSCOPY; PHASE-BEHAVIOR; GOLD NANOPARTICLES; AGGREGATION; CURVATURE; MECHANISMS; ADSORPTION; DIFFUSION; PARTICLES; PROTEINSChemistry; Materials Science; DNA origami; high-speed atomic force microscopy; membrane-mediated self-organization; supported lipid bilayers;
 Abstract: Organization of elongated particles into ordered phases on 2D surfaces and interfaces has been extensively studied during the last decades both theoretically and experimentally. For mutually repulsive particles on solid nondeformable substrates, the process is controlled only by the aspect ratio and the surface density of the adsorbed particles. The local elastic response of soft substrates to particle adhesion can drastically change the collective behavior of adsorbed rod-like particles resulting in their self-organization via substrate-mediated interparticle attraction. Here, high-speed atomic force microscopy is used to study the organization of DNA origami particles on locally responsive supported lipid bilayers (SLBs) in comparison with that on nondeformable solid mica surfaces. At high surface coverage, the aspect ratio-dependent anisotropic phases expected for densely packed particles are observed. At intermediate and low surface densities, however, a drastically different phenomenology is observed: surprisingly strong surface-mediated interparticle attraction of DNA origami particles is found on SLBs resulting in their self-organization compared to their purely repulsive interaction on a mica surface. The formation of organized aggregates of elongated DNA origami particles on SLBs is explained by exceptionally strong nanoparticle adhesion to the membrane that responds with a local deformation in spite of the presence of the solid support.

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Language(s): eng - English
 Dates: 2021-12
 Publication Status: Published online
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000708287800001
DOI: 10.1002/admi.202101094
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Title: Advanced Materials Interfaces
  Abbreviation : Adv. Mater. Interfaces
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 8 (24) Sequence Number: 2101094 Start / End Page: - Identifier: ISSN: 2196-7350
CoNE: https://pure.mpg.de/cone/journals/resource/2196-7350