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Related Experiment Video

Updated: Jun 14, 2025

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
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Plasmonic nanoparticle sensors: current progress, challenges, and future prospects.

Krishna Kant1,2, Reshma Beeram3, Yi Cao4

  • 1CINBIO, Department of Physical Chemistry, Universidade de Vigo, 36310 Vigo, Spain. pastoriza@uvigo.gal.

Nanoscale Horizons
|September 6, 2024
PubMed

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Summary
This summary is machine-generated.

Plasmonic nanoparticles (NPs) offer unique optical properties for advanced chemical and biological sensors. This review summarizes their current applications and future potential in nanotechnology-based sensing technologies.

Area of Science:

  • Nanotechnology
  • Nanoscience
  • Colloidal Chemistry

Background:

  • Plasmonic nanoparticles (NPs) exhibit strong visible colors and localized surface plasmon resonance (LSPR) dependent on size, shape, composition, and environment.
  • LSPR leads to strong field enhancement, boosting light-matter interactions for applications in sensing.
  • Colloidal plasmonic NPs are widely used in chemical and biological sensing via LSPR shifts, surface-enhanced Raman scattering, and fluorescence.

Purpose of the Study:

  • To provide a comprehensive review of plasmonic NP-based sensors.
  • To summarize the past, present, and future of plasmonic NP sensors across various disciplines.
  • To guide current researchers and inspire future scientists in this field.

Main Methods:

  • Review of existing literature on plasmonic nanoparticles in sensing.

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  • Analysis of different sensing platforms and mechanisms.
  • Discussion of chemical and biological analytes and future technologies.

    • Main Results:

    • Plasmonic NPs have significantly advanced nanoscience and nanotechnology.
    • Their optical properties are crucial for designing effective chemical and biological sensors.
    • Challenges remain in developing plasmonic NP-based sensor kits for routine use.

    Conclusions:

    • Plasmonic nanoparticles are pivotal in modern nanoscience and nanotechnology, particularly in sensor development.
    • Continued interdisciplinary research is essential to overcome challenges and realize the full potential of plasmonic NP-based sensors.
    • This review highlights the trajectory of plasmonic NP sensors, from fundamental principles to future innovations.