Used in drug delivery systems due to its ability to form host-guest complexes with various organic molecules, enhancing solubility and stability of pharmaceuticals. Employed in sensors for detecting metal ions and organic pollutants because of its selective binding properties. Applied in separation processes to remove specific contaminants from water, leveraging its sulfonate groups for improved water solubility and ion exchange capacity. Investigated in nanotechnology for constructing molecular assemblies and functional materials. Shows potential in enzyme mimics and catalysis by providing a confined environment for chemical reactions.