A novel classification of prostate specific antigen (PSA) biosensors based on transducing elements.

Area of Science:

• Biomedical Engineering
• Analytical Chemistry
• Nanotechnology

Background:

• Biosensing technology has advanced significantly for early disease detection, including cancer, cardiovascular diseases, and diabetes.
• Interdisciplinary innovations in biotechnology, genetics, organic electronics, and nanotechnology have enhanced biosensor specificity, selectivity, and repeatability.
• Prostate-specific antigen (PSA) is a crucial biomarker for prostate cancer diagnosis, driving research into sensitive detection methods.

Purpose of the Study:

• To review and classify existing biosensors for prostate-specific antigen (PSA) detection.
• To propose a novel classification system for PSA biosensors based on transducer type.
• To provide a comprehensive reference by detailing the advantages, disadvantages, and limitations of each PSA biosensing technique.

Main Methods:

• Literature review of biosensors for PSA detection.
• Classification of PSA biosensors according to transducer technology (e.g., electrochemical, optical, piezoelectric).
• Analysis of performance metrics, including sensitivity, specificity, and detection limits for various biosensors.

Main Results:

• A systematic classification of PSA biosensors based on transducer principles is presented.
• Detailed comparison of different biosensing platforms for PSA detection, highlighting their respective strengths and weaknesses.
• Identification of trends and challenges in developing advanced PSA biosensors for clinical applications.

Conclusions:

• The proposed classification provides a structured overview of PSA biosensing technologies.
• Understanding the limitations of current methods is crucial for guiding future research and development in prostate cancer diagnostics.
• This review serves as a valuable resource for researchers and developers in the field of PSA biosensing.