Paper modification strategies for bacterial sensing: Progress and prospects in pathogen detection

Area of Science:

• Biomaterials Science
• Analytical Chemistry
• Microbiology

Background:

• Pathogenic bacteria cause significant human infections via contaminated sources.
• Rapid detection is crucial for managing bacterial diseases.
• Paper-based sensors are emerging as accessible diagnostic tools.

Purpose of the Study:

• To review the application of paper-based sensors for detecting pathogenic bacteria.
• To focus on surface modifications for enhanced detection efficiency.
• To analyze fabrication, signal amplification, and material limitations.

Main Methods:

• Review of existing literature on paper-based bacterial detection.
• Analysis of surface modification techniques (hydrophobic/hydrophilic treatments).
• Discussion of nanoparticle integration, polymer coatings, and fabrication strategies.

Main Results:

• Paper-based sensors offer cost-effectiveness, portability, and disposability.
• Surface modifications significantly improve detection efficiency.
• Various strategies enhance sensitivity and specificity for bacterial pathogens.

Conclusions:

• Paper-based sensors are a promising platform for affordable, rapid bacterial diagnostics.
• Further research can optimize these sensors for point-of-care applications.
• Advancements in materials and fabrication will expand their utility in infectious disease management.