Lanthanide upconversion and downshifting luminescence for biomolecules detection

Area of Science:

• Biochemistry and Analytical Chemistry
• Materials Science and Nanotechnology

Background:

• Biomolecules are crucial for biological functions and disease development.
• Accurate detection of biomolecules is essential for effective biosensing.
• Lanthanide luminescent probes provide unique advantages for biomolecule analysis due to their distinct spectral properties.

Purpose of the Study:

• To review recent advancements in lanthanide luminescent systems for biomolecule activity detection.
• To explore the design principles and sensing mechanisms of lanthanide probes.
• To discuss future challenges and opportunities in the field of lanthanide-based biosensing.

Main Methods:

• Review of current literature on lanthanide luminescent probes for biomolecule detection.
• Analysis of different lanthanide systems, including upconversion nanoparticles, metal-organic frameworks, and organic complexes.
• Discussion of sensing mechanisms and design strategies for enhanced probe performance.

Main Results:

• Lanthanide probes demonstrate high sensitivity, selectivity, and reliability in biomolecule detection.
• Various lanthanide systems (upconversion nanoparticles, MOFs, complexes) show significant progress in sensing applications.
• Time-resolved and ratiometric analyses are enabled by the long luminescence lifetimes and line-like emission of lanthanides.

Conclusions:

• Lanthanide luminescent systems represent a powerful platform for advanced biosensing.
• Continued research into design principles and sensing mechanisms will drive practical applications.
• Overcoming current challenges is key to realizing the full potential of lanthanide probes in disease diagnostics and monitoring.