Title:

Highly-Ordered Cyclodextrin-Frameworks for Next Generation PFAS Absorption

Perfluoroalkyl substances (PFAS) are synthetic environmental contaminants known for their chemical persistence and association with various health concerns, including cancer. In response to the urgent need for effective PFAS remediation, our research explores the development of metal-organic frameworks (MOFs) with gamma-cyclodextrin. These MOFs are synthesized using a chamber vapor diffusion method that is run over one week. Potassium is first introduced to activate crosslinking sites, followed by vapor diffusion with dichlorodimethylsilane (SiMe₂Cl₂) to form a hydrophobic framework. Preliminary characterization using powder X-ray diffraction (PXRD) and optical microscopy indicates successful synthesis of a crystalline crosslinked gamma-cyclodextrin MOF. Ongoing work includes porosity and thermal stability assessments, as well as PFAS adsorption isotherms. Ultimately, this platform may enable the development of functional hydrogels for targeted PFAS removal.

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