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Related Experiment Video

Updated: Nov 11, 2025

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
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Plasmonic Nanoparticles: Basics to Applications (I).

Hyejin Chang1, Won-Yeop Rho2, Byung Sung Son3

  • 1Division of Science Education, Kangwon National University, Chuncheon, Republic of Korea.

Advances in Experimental Medicine and Biology
|March 30, 2021
PubMed
Summary
This summary is machine-generated.

This review covers metal nanoparticles (NPs), focusing on gold and silver. It details their properties, synthesis, and applications in biomedical imaging, diagnostics, and therapeutics for researchers.

Keywords:
Plasmon resonance energy transfer (PRET)Surface plasmon resonance (SPR)Surface-enhanced Raman scattering (SERS)Surface-enhanced fluorescence (SEF)

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Area of Science:

  • Nanotechnology
  • Materials Science
  • Biomedical Engineering

Background:

  • Metal nanoparticles (NPs), particularly noble metals like gold (Au) and silver (Ag), possess unique physical and chemical properties.
  • These properties are driven by phenomena such as surface plasmon resonance (SPR) and enable applications in various scientific fields.

Purpose of the Study:

  • To provide a comprehensive overview of metal NPs, emphasizing their characteristics and synthesis.
  • To highlight the optical properties, including SPR and surface-enhanced Raman scattering (SERS), of plasmonic nanomaterials.
  • To explore the utility of metal NPs in biological studies and medical applications such as imaging, diagnostics, and therapeutics.

Main Methods:

  • Review of existing literature on metal nanoparticle synthesis and characterization.
  • Description of the physical and chemical properties of metal NPs, with a focus on optical characteristics.
  • Discussion of applications in biomedical fields, including imaging, diagnostics, and therapeutics.

Main Results:

  • Metal NPs, especially Au and Ag, exhibit distinct optical properties due to SPR.
  • These NPs are effective for surface-enhanced Raman scattering (SERS).
  • Metal NPs demonstrate significant potential for advancements in biomedical imaging, diagnostics, and therapeutics.

Conclusions:

  • Metal nanoparticles offer versatile properties for biomedical applications.
  • Understanding NP characteristics is crucial for developing advanced diagnostic and therapeutic tools.
  • This review serves as a guide for researchers entering the field of nanomaterials for biomedical diagnosis and highlights current trends.