Site-specific metallization of multiple metals on a single DNA origami template

This work examines the selective deposition of two different metals on a single DNA origami template that was designed and assembled to direct the deposition. As a result, we were able to direct copper and gold to predesignated locations on the template, as verified by both compositional and morphol...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 30(2014), 4 vom: 04. Feb., Seite 1134-41
1. Verfasser: Uprety, Bibek (VerfasserIn)
Weitere Verfasser: Gates, Elisabeth P, Geng, Yanli, Woolley, Adam T, Harb, John N
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Gold 7440-57-5 Copper 789U1901C5 DNA 9007-49-2
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520 |a This work examines the selective deposition of two different metals on a single DNA origami template that was designed and assembled to direct the deposition. As a result, we were able to direct copper and gold to predesignated locations on the template, as verified by both compositional and morphological data, to form a heterogeneous Cu-Au junction. Seeding and deposition were performed in sequential steps. An enabling aspect of this work was the use of an organic layer or "chemical mask" to prevent unwanted deposition during the deposition of the second metal. In light of recent efforts in the field, the ability to localize components of different composition and structure to specific sections of a DNA template represents an important step forward in the fabrication of nanostructures based on DNA templates 
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700 1 |a Gates, Elisabeth P  |e verfasserin  |4 aut 
700 1 |a Geng, Yanli  |e verfasserin  |4 aut 
700 1 |a Woolley, Adam T  |e verfasserin  |4 aut 
700 1 |a Harb, John N  |e verfasserin  |4 aut 
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