FRET for lab-on-a-chip devices - current trends and future prospects

Area of Science:

• Biochemistry
• Analytical Chemistry
• Bioengineering

Background:

• Microfluidic devices offer highly efficient, miniaturized biological assays for analyzing cells, proteins, and nucleic acids.
• These assays utilize nanolitre to femtolitre reaction volumes, demanding sensitive optical detection methods.
• Förster Resonance Energy Transfer (FRET) acts as a 'spectroscopic ruler' for biomolecular structure analysis.

Purpose of the Study:

• To review the application of FRET in microfluidic reactors for monitoring intra- and intermolecular reactions.
• To discuss the advantages and disadvantages of various FRET-based microfluidic assay approaches.
• To explore future prospects of microfluidic devices integrated with FRET detection.

Main Methods:

• Utilizing FRET as a sensitive optical detection scheme within microfluidic systems.
• Employing FRET's sensitivity to nanoscale separation changes between donor and acceptor markers.
• Reviewing diverse biomedical applications of FRET in microfluidic assays.

Main Results:

• FRET provides nanoscale precision for studying biomolecular interactions in microfluidic environments.
• Microfluidic FRET assays facilitate the analysis of complex biological entities.
• The sensitivity of FRET is well-suited for the small reaction volumes in microfluidics.

Conclusions:

• FRET is a powerful tool for real-time monitoring of reactions in microfluidic devices.
• Microfluidic FRET assays offer significant advantages for biomedical research and diagnostics.
• Further development of integrated microfluidic-FRET systems holds great promise for future applications.