Programmable Periodicity of Quantum Dot Arrays with DNA Origami Nanotubes | Zendy

Hieu Bui | Zendy; Craig Onodera | Zendy; Carson Kidwell | Zendy; YerPeng Tan | Zendy; Elton Graugnard | Zendy; Wan Kuang | Zendy; Jeunghoon Lee | Zendy; William B. Knowlton | Zendy; Bernard Yurke | Zendy; William L. Hughes | Zendy

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Programmable Periodicity of Quantum Dot Arrays with DNA Origami Nanotubes

Author(s) -

Hieu Bui,

Craig Onodera,

Carson Kidwell,

YerPeng Tan,

Elton Graugnard,

Wan Kuang,

Jeunghoon Lee,

William B. Knowlton,

Bernard Yurke,

William L. Hughes

Publication year - 2010

Publication title -

nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.853

H-Index - 488

eISSN - 1530-6992

pISSN - 1530-6984

DOI - 10.1021/nl101079u

Subject(s) - quantum dot , dna origami , nanotechnology , conjugated system , materials science , streptavidin , quantum , atomic force microscopy , chemistry , physics , nanostructure , biotin , polymer , quantum mechanics , biochemistry , composite material

To fabricate quantum dot arrays with programmable periodicity, functionalized DNA origami nanotubes were developed. Selected DNA staple strands were biotin-labeled to form periodic binding sites for streptavidin-conjugated quantum dots. Successful formation of arrays with periods of 43 and 71 nm demonstrates precise, programmable, large-scale nanoparticle patterning; however, limitations in array periodicity were also observed. Statistical analysis of AFM images revealed evidence for steric hindrance or site bridging that limited the minimum array periodicity.

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