Gold nanoparticle decoration of DNA on silicon

Electrostatic assembly of cationic nanoparticles onto the negatively charged backbone of double-stranded DNA has been shown to produce one-dimensional chains with potential use as nanoelectronic components. In this paper, micron long DNA templates stretched on aminosilane- and hexamethyldisilazane-m...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 21(2005), 23 vom: 08. Nov., Seite 10699-701
1. Verfasser: Braun, Gary (VerfasserIn)
Weitere Verfasser: Inagaki, Katsuhiko, Estabrook, R August, Wood, D K, Levy, Eran, Cleland, A N, Strouse, Geoffrey F, Reich, Norbert O
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Gold 7440-57-5 DNA 9007-49-2 Silicon Z4152N8IUI
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520 |a Electrostatic assembly of cationic nanoparticles onto the negatively charged backbone of double-stranded DNA has been shown to produce one-dimensional chains with potential use as nanoelectronic components. In this paper, micron long DNA templates stretched on aminosilane- and hexamethyldisilazane-modified silicon surfaces are used to assemble 3.5 nm gold nanoparticles passivated with cationic thiocholine. Atomic force microscopy is used to analyze the density and defects along the approximately 5 nm high structures, with comparison between positively charged and neutral surfaces. Low background adsorption of nanoparticles is facilitated by both these surface chemistries, while the neutral surface yields a more densely packed assembly 
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700 1 |a Inagaki, Katsuhiko  |e verfasserin  |4 aut 
700 1 |a Estabrook, R August  |e verfasserin  |4 aut 
700 1 |a Wood, D K  |e verfasserin  |4 aut 
700 1 |a Levy, Eran  |e verfasserin  |4 aut 
700 1 |a Cleland, A N  |e verfasserin  |4 aut 
700 1 |a Strouse, Geoffrey F  |e verfasserin  |4 aut 
700 1 |a Reich, Norbert O  |e verfasserin  |4 aut 
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