Sequence-encoded self-assembly of multiple-nanocomponent arrays by 2D DNA scaffolding

Nano Letters

Volumn 5, Issue 12, 2005, Pages 2399-2402

  Pinto, Yariv Y ^a   Le, John D ^a   Seeman, Nadrian C ^b   Musier Forsyth, Karin ^a   Taton, T Andrew ^a   Kiehl, Richard A ^a  

^a University of Minnesota   (United States)

^b NEW YORK UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

2D DNA SCAFFOLDING; MULTIPLE-NANOCOMPONENT ARRAYS; NANOMETER-SCALE PRECISION; SEQUENCE-ENCODED HYBRIDIZATION SITES;

DNA; GOLD; NANOTECHNOLOGY;

NANOSTRUCTURED MATERIALS;

BIOMATERIAL; DNA; NANOMATERIAL;

ARTICLE; CHEMISTRY; CRYSTALLIZATION; DNA MICROARRAY; DNA SEQUENCE; EQUIPMENT DESIGN; IN SITU HYBRIDIZATION; INSTRUMENTATION; METHODOLOGY; MOLECULAR GENETICS; NANOTECHNOLOGY; NUCLEOTIDE SEQUENCE; ULTRASTRUCTURE;

BASE SEQUENCE; COATED MATERIALS, BIOCOMPATIBLE; CRYSTALLIZATION; DNA; EQUIPMENT DESIGN; IN SITU HYBRIDIZATION; MOLECULAR SEQUENCE DATA; NANOSTRUCTURES; NANOTECHNOLOGY; OLIGONUCLEOTIDE ARRAY SEQUENCE ANALYSIS; SEQUENCE ANALYSIS, DNA;

EID: 30644458732     PISSN: 15306984     EISSN: None     Source Type: Journal    
DOI: 10.1021/nl0515495     Document Type: Article

References (12)

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8. The polyvalency of the ssDNA-coated Au nanoparticles allows each nanocomponent to attach to multiple hybridization sites along a row. Thus, the gap between nanocomponents along a row is governed by the length of the strands in the nanocomponent shell. The results of a separate study in which we confirmed this scaling of gap with strand length will be published elsewhere.
9. The amount of curvature found in the AFM images of the arrays varied considerably from one piece of scaffolding to another on the same substrate. Differences in curvature for the different panels of Figure 3 do not represent a systematic trend. We believe that the curvature is an artifact of the sample preparation caused by a stretching of the scaffolding as it adheres to the mica surface.
10. Arrays were also made with the reverse sizing of particles (5-nm (dTdTdA)7-coated Au and 10-nm (dT)7-coated particles). AFM imaging does not show any difference between the arrays reported and those with the reverse sizes.
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