Prospects for point-of-care pathogen diagnostics using surface-enhanced Raman scattering (SERS)

Area of Science:

• Analytical Chemistry
• Biotechnology
• Nanotechnology

Background:

• Current diagnostic technologies face limitations in sensitivity and speed.
• Surface-enhanced Raman scattering (SERS) provides ultra-sensitive detection capabilities.
• Unmet needs exist in rapid and accurate pathogen diagnostics.

Purpose of the Study:

• To review the impact of SERS on pathogen diagnostics.
• To assess SERS potential in clinical and point-of-care (POC) settings.
• To identify challenges in translating SERS technology for POC deployment.

Main Methods:

• Literature review of recent SERS developments in diagnostics.
• Analysis of SERS performance metrics for clinical applications.
• Discussion of challenges in SERS-based test validation and kit development.

Main Results:

• SERS demonstrates significant potential for detecting pathogens and disease markers at low levels.
• Recent SERS advancements show promise in biodefense, human/animal health, and safety monitoring.
• Key challenges remain in SERS quantification, validation, and POC implementation.

Conclusions:

• SERS holds transformative potential for advanced pathogen diagnostics.
• Addressing performance, validation, and instrumentation challenges is crucial for SERS POC adoption.
• SERS can significantly improve diagnostic capabilities across various health and safety sectors.