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Sensing Biomarkers with Plasmonics.

Nicole Cathcart1, Jennifer I L Chen1

  • 1Department of Chemistry, York University, 4700 Keele Street Toronto, Ontario, Canada M3J 1P3.

Analytical Chemistry
|May 6, 2020
PubMed
Summary
This summary is machine-generated.

Plasmonic sensors offer sensitive biomarker detection for early disease diagnosis and treatment monitoring. Further development and integration will translate these advanced biosensors into clinical practice for improved healthcare.

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Area of Science:

  • Nanotechnology
  • Biomedical Engineering
  • Analytical Chemistry

Background:

  • Biomarker detection is crucial for early disease diagnosis, monitoring progression, and evaluating therapeutic efficacy.
  • Plasmonic sensors offer rapid, sensitive detection in small sample volumes, driving their use in bioanalysis and point-of-care applications.

Purpose of the Study:

  • To review recent advancements in plasmonic sensing platforms for biomarker detection.
  • To discuss challenges and future directions for translating plasmonic biosensors into clinical settings.
  • To highlight the potential of plasmonic sensors for detecting novel biomarkers and in diverse biological matrices.

Main Methods:

  • Review of recent literature on plasmonic sensing platforms.
  • Discussion of emerging biomarkers (microRNA, circulating tumor cells, exosomes, cell-free DNA).
  • Exploration of plasmonic nanomaterials for detection beyond biofluids.

Main Results:

  • Plasmonic sensors demonstrate versatile analytical capabilities, including colorimetric readouts and single-molecule sensitivity.
  • Significant progress has been made in detecting various emerging biomarkers using plasmonic technologies.
  • Opportunities exist for applying plasmonic sensing to tissues, organs, and disease sites.

Conclusions:

  • Plasmonic biosensors hold great promise for revolutionizing disease diagnosis and management.
  • Integration with other technologies is key to clinical translation.
  • Further research will enhance their role in improving healthcare and quality of life.