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Graphene-based biosensors for PSA.

Siddig Ibrahim Abdelwahab1, Manal Mohamed Elhassan Taha1, Khaled A Sahli2

  • 1Health Research Centre, Jazan University, 45142 Jazan, Saudi Arabia.

Clinica Chimica Acta; International Journal of Clinical Chemistry
|May 31, 2025
PubMed
Summary
This summary is machine-generated.

Graphene biosensors offer a promising advancement for detecting prostate-specific antigen (PSA), potentially improving early prostate cancer diagnosis. These novel sensors show high accuracy and rapid response, paving the way for better patient outcomes.

Keywords:
BiosensorsDiagnostic NanotechnologyElectrochemical SensorsGraphenePSAProstate Cancer

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Oncology

Background:

  • Prostate cancer is a significant global health concern, with early detection crucial for effective management.
  • Current prostate-specific antigen (PSA) screening methods often face limitations in sensitivity and specificity.
  • There is a critical need for more accurate and reliable diagnostic tools for prostate cancer.

Purpose of the Study:

  • To review the emerging applications of graphene-based biosensors for prostate-specific antigen (PSA) detection.
  • To evaluate the potential of these biosensors to revolutionize prostate cancer diagnostics.
  • To discuss the advantages and challenges of translating graphene biosensor technology into clinical practice.

Main Methods:

  • Classification of graphene-based sensors into electrochemical, field-effect transistor (FET), and fluorescence-based categories.
  • Discussion of the detection mechanisms employed by each sensor type.
  • Analysis of strategies for nanomaterial integration to enhance sensor performance.

Main Results:

  • Graphene's unique properties (high surface-to-volume ratio, electrical conductivity) make it an excellent biosensing platform.
  • Graphene-based biosensors demonstrate potential for rapid, accurate, and minimally invasive PSA detection.
  • Integration with other nanomaterials can further improve analytical performance.

Conclusions:

  • Graphene-based biosensors represent a significant advancement in the field of prostate cancer diagnostics.
  • These platforms offer a promising alternative to conventional PSA assays, with potential for improved clinical utility.
  • Further research and development are necessary to overcome challenges and facilitate clinical translation.