Microfluidic chip systems for color-based antimicrobial susceptibility test a review

Area of Science:

• Clinical microbiology
• Biomedical engineering
• Diagnostic technology

Background:

• Clinical bacteria present a significant public health risk, necessitating rapid and accurate diagnostic tools.
• Current pathogen detection methods are time-consuming, reagent-intensive, and lack point-of-care accessibility.
• Microfluidic chip systems present a viable alternative, offering reduced detection times and simplified, portable diagnostic solutions.

Purpose of the Study:

• To review recent advancements in microfluidic chip systems for clinical pathogen detection.
• To highlight the use of colored fluorescent and non-fluorescent dyes in phenotypic testing.
• To explore the integration of novel observation methods like smartphone microscopy.

Main Methods:

• Review of recent literature on microfluidic chip systems for pathogen detection.
• Focus on phenotypic testing utilizing fluorescent and non-fluorescent dyes.
• Analysis of emerging observation techniques, including smartphone-based microscopy.

Main Results:

• Microfluidic systems demonstrate potential for faster, more conclusive pathogen identification.
• Integration with smartphones and software enhances usability and accessibility for point-of-care diagnostics.
• Phenotypic testing using dyes shows promise for clinical microbiology applications.

Conclusions:

• Microfluidic chip technology is poised to revolutionize point-of-care diagnostics for clinical pathogens.
• Challenges remain in optimizing antimicrobial susceptibility testing protocols, particularly concerning colorimetric methods and live culture analysis.
• Further development is needed to overcome hurdles in live culture integration for accurate microfluidic-based antimicrobial susceptibility testing.