Synthesis and potential applications of cyclodextrin-based metal–organic frameworks: a review

Yang Xu, Ahmed K. Rashwan, Ahmed I. Osman*, Eman M. Abd El-Monaem, Ahmed M. Elgarahy, Abdelazeem S. Eltaweil, Mirna Omar, Yuting Li*, Abul-Hamd E. Mehanni, Wei Chen*, David W. Rooney

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

66 Citations (Scopus)
327 Downloads (Pure)

Abstract

Metal–organic frameworks are porous polymeric materials formed by linking metal ions with organic bridging ligands. Metal–organic frameworks are used as sensors, catalysts for organic transformations, biomass conversion, photovoltaics, electrochemical applications, gas storage and separation, and photocatalysis. Nonetheless, many actual metal–organic frameworks present limitations such as toxicity of preparation reagents and components, which make frameworks unusable for food and pharmaceutical applications. Here, we review the structure, synthesis and properties of cyclodextrin-based metal–organic frameworks that could be used in bioapplications. Synthetic methods include vapor diffusion, microwave-assisted, hydro/solvothermal, and ultrasound techniques. The vapor diffusion method can produce cyclodextrin-based metal–organic framework crystals with particle sizes ranging from 200 nm to 400 μm. Applications comprise food packaging, drug delivery, sensors, adsorbents, gas separation, and membranes. Cyclodextrin-based metal–organic frameworks showed loading efficacy of the bioactive compounds ranging from 3.29 to 97.80%.


Original languageEnglish
Number of pages31
JournalEnvironmental Chemistry Letters
Early online date19 Sept 2022
DOIs
Publication statusEarly online date - 19 Sept 2022

Keywords

  • Metal–organic frameworks
  • Cyclodextrin
  • Synthesis methods
  • Cyclodextrin-based metal–organic framework applications
  • bioengineering
  • MOFs
  • adsorption
  • Food application
  • drug delivery
  • Circular bioeconomy

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