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Related Experiment Video

Updated: Jun 13, 2026

Synthesis of Gold Nanoparticle Integrated Photo-responsive Liposomes and Measurement of Their Microbubble Cavitation upon Pulse Laser Excitation
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Published on: February 24, 2016

Elastin-based stimuli-responsive gold nanoparticles.

Vincent Lemieux1, P Hans H M Adams, Jan C M van Hest

  • 1Radboud University Nijmegen, Institute for Molecules and Materials, Department of Organic Chemistry, P.O. 9010, 6500 GL Nijmegen, The Netherlands.

Chemical Communications (Cambridge, England)
|April 29, 2010
PubMed
Summary
This summary is machine-generated.

Gold nanoparticles functionalized with a specific peptide sequence show responsiveness to external stimuli. This discovery opens avenues for novel smart materials and drug delivery systems.

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Area of Science:

  • Nanotechnology and Materials Science
  • Biomaterials Engineering
  • Biochemistry

Background:

  • Gold nanoparticles (AuNPs) are widely explored for biomedical applications due to their unique optical and electronic properties.
  • Surface functionalization of nanoparticles is crucial for controlling their behavior and enabling specific interactions.
  • Elastin-based peptides offer biocompatibility and potential for stimuli-responsive designs.

Purpose of the Study:

  • To investigate the stimuli-responsive behavior of gold nanoparticles.
  • To explore the role of elastin-based pentapeptide ligands in nanoparticle functionality.
  • To determine if a single repeat of the VPGVG sequence can induce responsiveness.

Main Methods:

  • Synthesis of gold nanoparticles.
  • Surface functionalization with elastin-based VPGVG pentapeptide ligands.
  • Characterization of nanoparticle properties using techniques like UV-Vis spectroscopy and Dynamic Light Scattering.
  • Assessment of stimuli-responsive behavior under various conditions (e.g., temperature, pH).

Main Results:

  • Gold nanoparticles successfully coated with VPGVG ligands were synthesized.
  • The VPGVG-functionalized gold nanoparticles exhibited distinct changes in their properties in response to specific stimuli.
  • The observed behavior was attributed to the conformational changes of the peptide ligands.

Conclusions:

  • A single repeat of the elastin-based pentapeptide VPGVG is sufficient to impart stimuli-responsive behavior to gold nanoparticles.
  • These findings highlight the potential of peptide-functionalized nanoparticles for advanced applications.
  • The study provides a foundation for designing sophisticated smart nanomaterials.