Used in molecular recognition and sensor development due to its ability to form stable host-guest complexes with various organic and inorganic species. Commonly applied in selective ion extraction, particularly for alkali and alkaline earth metals in separation technologies. Employed in the design of chemical sensors and optoelectronic devices because of its well-defined cavity and tunable functional groups. Also utilized in nanotechnology and supramolecular chemistry for constructing molecular assemblies and drug delivery systems. Shows potential in environmental monitoring for detecting pollutants and metal ions in aqueous solutions.