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Related Experiment Video

Updated: Nov 21, 2025

Optical Trapping of Nanoparticles
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Pathogenic Virus Detection by Optical Nanobiosensors.

Menglin Song1, Mo Yang2, Jianhua Hao1

  • 1Department of Applied Physics, The Hong Kong Polytechnic University, Kowloon 999077, Hong Kong, P.R. China.

Cell Reports. Physical Science
|January 12, 2021
PubMed
Summary
This summary is machine-generated.

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Rapid advancements in nanotechnology offer new optical biosensors for accurate and early detection of pathogenic viruses, crucial for combating global health crises and improving clinical diagnosis.

Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Infectious Disease Diagnostics

Background:

  • The COVID-19 pandemic highlights the urgent need for effective early diagnosis and accurate detection of pathogenic viruses.
  • Current diagnostic limitations can lead to severe infections and increased mortality rates.
  • Nanotechnology-based biosensors present a promising solution for real-time, direct detection of molecular targets.

Purpose of the Study:

  • To review recent progress in nanotechnology-based optical biosensors for pathogenic virus detection.
  • To highlight the advantages of optical nanobiosensors, including high sensitivity and direct readout.
  • To summarize key nanoplatforms and detection methods used in virus detection.

Main Methods:

  • Review of literature on optical biosensors utilizing nanotechnology for virus detection.
Keywords:
nanobiosensoropticalpathogenic viruses detection

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  • Focus on specific nanoprobes: quantum dots (QDs), upconversion nanoparticles (UCNPs), noble metal nanoparticles.
  • Inclusion of organic fluorescent molecules and chemiluminescence assays.

    • Main Results:

    • Nanotechnology-based optical biosensors demonstrate high sensitivity and direct readout capabilities.
    • Various nanoplatforms show significant potential for rapid and selective virus detection.
    • Representative studies indicate promising performance for clinical diagnostic applications.

    Conclusions:

    • Optical nanobiosensors are a rapidly developing field with significant potential for pathogenic virus detection.
    • These advanced biosensors offer improved accuracy and speed compared to traditional methods.
    • Nanotechnology-based optical biosensors hold great promise for enhancing clinical diagnosis and public health response.