Pillararene-based fluorescent chemosensors: recent advances and perspectives

Area of Science:

• Supramolecular Chemistry
• Analytical Chemistry
• Materials Science

Background:

• Pillararenes, a class of pillar-shaped supramolecular macrocyclic hosts, were introduced in 2008.
• Their electron-rich cavities and facile functionalization make them ideal for designing fluorescent chemosensors.

Purpose of the Study:

• To review recent advancements in pillararene-based fluorescent sensors.
• To highlight applications in sensing, detection, and imaging.

Main Methods:

• Functionalization of pillararene scaffolds.
• Development of fluorescent probes.
• Application in various sensing and imaging techniques.

Main Results:

• Pillararene-based sensors demonstrate high sensitivity and selectivity.
• Successful applications in anion/cation sensing, small molecule recognition, and biomolecule detection.
• Emerging use in fluorescent supramolecular aggregates and biomedical imaging.

Conclusions:

• Pillararene chemistry offers significant potential for developing novel fluorescent sensors.
• This field is rapidly evolving with diverse applications.
• Further research is encouraged to explore this emerging area.