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Related Experiment Video

Updated: Jun 27, 2026

Gold Nanoparticle Synthesis
13:42

Gold Nanoparticle Synthesis

Published on: July 10, 2021

DNA-templated gold nanoparticles formation.

Lanlan Sun1, Yonghai Song, Li Wang

  • 1State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Changchun, 130022, China.

Journal of Nanoscience and Nanotechnology
|December 4, 2008
PubMed
Summary
This summary is machine-generated.

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Researchers created DNA-templated gold nanoparticles by controlling reaction conditions like temperature and DNA concentration. Different nanoparticle structures, including spheres and flowers, were achieved, offering new possibilities for nanomaterial synthesis.

Area of Science:

  • Nanotechnology
  • Materials Science
  • Biochemistry

Background:

  • The interaction between gold salts and DNA offers a route for synthesizing gold nanostructures.
  • Controlling the formation of gold nanoparticles (AuNPs) is crucial for their applications.

Purpose of the Study:

  • To investigate the formation of DNA-templated gold nanoparticles (AuNPs) by varying reaction conditions.
  • To characterize the different structures of AuNPs formed and understand the reaction mechanism.

Main Methods:

  • Varying DNA concentration and reaction temperature to control nanoparticle morphology.
  • Utilizing UV-vis absorption spectra, XPS, AFM, and TEM for characterization.
  • Investigating intermediate products by adjusting reaction times.

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Template Directed Synthesis of Plasmonic Gold Nanotubes with Tunable IR Absorbance

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Last Updated: Jun 27, 2026

Gold Nanoparticle Synthesis
13:42

Gold Nanoparticle Synthesis

Published on: July 10, 2021

Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates
09:17

Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates

Published on: March 5, 2019

Template Directed Synthesis of Plasmonic Gold Nanotubes with Tunable IR Absorbance
13:37

Template Directed Synthesis of Plasmonic Gold Nanotubes with Tunable IR Absorbance

Published on: April 1, 2013

Main Results:

  • Spherical, flower-like, chain, and network DNA-HAuCl4 hybrids were formed by altering reaction parameters.
  • Intermediate products revealed a process involving DNA and HAuCl4.
  • Addition of a reducing agent (NaBH4) resulted in spherical (approx. 11 nm) and flower-like gold nanoparticles.

Conclusions:

  • Reaction conditions significantly influence the morphology of DNA-templated gold nanoparticles.
  • The synthesis process involves distinct stages of DNA-HAuCl4 interaction.
  • This method provides a versatile platform for creating controlled gold nanostructures.