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Related Concept Videos

Immunogold Electron Microscopy01:20

Immunogold Electron Microscopy

Immunoelectron microscopy utilizes immunogold labeling of endogenous proteins with specific antibodies to detect and localize these proteins in cells and tissues. The procedure provides insights into the distribution and quantification of protein under different stimulation conditions offering clues about their functions. Conjugating highly electron-dense gold particles with primary or secondary antibodies allow antigen detection on and within cells, with high resolution and specificity.

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Related Experiment Video

Updated: Jun 11, 2026

A Simple Method for the Size Controlled Synthesis of Stable Oligomeric Clusters of Gold Nanoparticles under Ambient Conditions
08:21

A Simple Method for the Size Controlled Synthesis of Stable Oligomeric Clusters of Gold Nanoparticles under Ambient Conditions

Published on: February 5, 2016

Structural change from doping the gold cluster.

Yiji Tang1, Shu-Guang Wang, Jia Li

  • 1School of Chemistry and Chemical Technology, Shanghai Jiao Tong University, Shanghai 200240, China. tyj@sjtu.edu.cn

Journal of Molecular Modeling
|July 10, 2010
PubMed
Summary
This summary is machine-generated.

Doping gold clusters with transition metals alters their structure. Researchers investigated how substituting the central gold atom in Au(5) with platinum, iridium, osmium, rhenium, and tungsten affects cluster configuration, revealing consistent trends.

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Last Updated: Jun 11, 2026

A Simple Method for the Size Controlled Synthesis of Stable Oligomeric Clusters of Gold Nanoparticles under Ambient Conditions
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Published on: February 5, 2016

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In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions

Published on: June 16, 2014

Area of Science:

  • Materials Science
  • Computational Chemistry
  • Nanotechnology

Background:

  • Doping transition metals into gold clusters (M@Au(n)) induces significant structural modifications.
  • Understanding these doping-induced structural changes is crucial for designing novel nanomaterials.

Purpose of the Study:

  • To elucidate the mechanism of structural changes in gold clusters upon doping with transition metals.
  • To investigate the impact of same-row transition metal doping on the Au(5) cluster.

Main Methods:

  • Theoretical calculations were employed to model and analyze the structural properties of doped gold clusters.
  • The central gold atom in Au(5) was systematically substituted with platinum (Pt), iridium (Ir), osmium (Os), rhenium (Re), and tungsten (W).

Main Results:

  • Doping the central gold atom of Au(5) with Pt, Ir, Os, Re, and W resulted in observable structural transformations.
  • A consistent trend in structural changes was identified across these doped gold clusters.
  • Similar trends were also predicted for other gold cluster systems.

Conclusions:

  • Transition metal doping is a viable strategy to tune the structure of gold clusters.
  • The findings provide a mechanistic understanding of doping effects in M@Au(n) systems.
  • The observed trends offer predictive insights for designing functionalized gold nanoclusters.