Journal
CARBOHYDRATE POLYMERS
Volume 278, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2021.118915
Keywords
Metal-organic frameworks; Hydrogel; Integration of metal-organic frameworks with; polymer; Release kinetics
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Funding
- National Natural Science Foundation of China [32102005]
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The integration of beta-cyclodextrin based metal-organic frameworks with polymer has been shown to result in hybrid materials with advantageous properties and potential for drug delivery applications.
The present study focused on the integration of beta-cyclodextrin based metal-organic frameworks (fl-CDMOF) with polymer to obtain hybrid materials with advantageous properties compared to traditional single-component polymers or metal-organic frameworks (MOF) matrixes. We fabricated two complexes with different morphology and structure. During the in situ growth of fl-CDMOF around the hydrogel, potassium ions on polysaccharides gradually dissociated to participate in the growth of crystals, while other potassium ions on the carboxylic acid groups provided bridges between crystals and hydrogel, forming a necklace-shaped complex (SHPs@fl-CDMOF). Hydrogen bonding and coordination interactions between fl-CDMOF and hydrogel are present in a dendritic sandwich-shaped complex (fl-CDMOF@SHPs). Furthermore, using the hydrophobic molecule curcumin as a model drug, we have demonstrated that SHPs@fl-CDMOF and fl-CDMOF@SHPs hybrid materials stabilize the included drug and have potential for controlled drug release. Collectively, the integration of MOF with polymer holds a great promise for drug delivery applications.
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