Nanoscale lines of supported nanogold particles and lysozyme-nanogold conjugates generated by atomic force microscopy in aqueous solution

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Matthias Wiechmann
  • Oliver Enders
  • Frank Leisten
  • Jörg Michael Becker
  • Rolf Johann Haug
  • Hans Albert Kolb

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Details

OriginalspracheEnglisch
Seiten (von - bis)1004-1009
Seitenumfang6
FachzeitschriftSurface and Interface Analysis
Jahrgang38
Ausgabenummer6
PublikationsstatusVeröffentlicht - 24 Apr. 2006

Abstract

The line-scan mode is applied in aqueous suspensions of NHS-nanogold and NHS - nanogold-lysozyme conjugates to generate tip-induced linelike pattern with a width in the nanometer scale. With increasing ionic strength the spontaneous adsorption of the particles to the mica surface can be reduced. The reduction causes an increase in the processing time, which is necessary to form a continuous line composed of the respective particles. The line width increases with increasing loading force. For NHS-nanogold, a minimal line width of about 40 nm could be achieved. The results were used to connect two opposite macroscopic gold contacts about 5 μm apart by a line of NHS-nanogold, which appeared to be of continuous structure down to the nanometer scale, according to the corresponding topography.

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Nanoscale lines of supported nanogold particles and lysozyme-nanogold conjugates generated by atomic force microscopy in aqueous solution. / Wiechmann, Matthias; Enders, Oliver; Leisten, Frank et al.
in: Surface and Interface Analysis, Jahrgang 38, Nr. 6, 24.04.2006, S. 1004-1009.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

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abstract = "The line-scan mode is applied in aqueous suspensions of NHS-nanogold and NHS - nanogold-lysozyme conjugates to generate tip-induced linelike pattern with a width in the nanometer scale. With increasing ionic strength the spontaneous adsorption of the particles to the mica surface can be reduced. The reduction causes an increase in the processing time, which is necessary to form a continuous line composed of the respective particles. The line width increases with increasing loading force. For NHS-nanogold, a minimal line width of about 40 nm could be achieved. The results were used to connect two opposite macroscopic gold contacts about 5 μm apart by a line of NHS-nanogold, which appeared to be of continuous structure down to the nanometer scale, according to the corresponding topography.",
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T1 - Nanoscale lines of supported nanogold particles and lysozyme-nanogold conjugates generated by atomic force microscopy in aqueous solution

AU - Wiechmann, Matthias

AU - Enders, Oliver

AU - Leisten, Frank

AU - Becker, Jörg Michael

AU - Haug, Rolf Johann

AU - Kolb, Hans Albert

PY - 2006/4/24

Y1 - 2006/4/24

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AB - The line-scan mode is applied in aqueous suspensions of NHS-nanogold and NHS - nanogold-lysozyme conjugates to generate tip-induced linelike pattern with a width in the nanometer scale. With increasing ionic strength the spontaneous adsorption of the particles to the mica surface can be reduced. The reduction causes an increase in the processing time, which is necessary to form a continuous line composed of the respective particles. The line width increases with increasing loading force. For NHS-nanogold, a minimal line width of about 40 nm could be achieved. The results were used to connect two opposite macroscopic gold contacts about 5 μm apart by a line of NHS-nanogold, which appeared to be of continuous structure down to the nanometer scale, according to the corresponding topography.

KW - AFM

KW - Line-scan mode

KW - Mica

KW - Nanogold particles

KW - Nanolines

KW - NHS-lysozyme conjugates

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