Journal
MICROMACHINES
Volume 14, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/mi14101969
Keywords
microfluidics; droplet-based microfluidics; polymeric microgels; drug delivery
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Polymeric microgels fabricated via microfluidic techniques can effectively load hydrophobic drugs such as curcumin using porous particles and supramolecular cyclodextrin-based curcumin complexes. The porosity of the microgels plays a crucial role in the drug loading performance, with higher porosity resulting in better loading. The release of curcumin from the microgels induces cytotoxicity in U87 MG human glioma cancer cells.
Polymeric microgels, fabricated via microfluidic techniques, have garnered significant interest as versatile drug delivery carriers. Despite the advances, the loading and release of hydrophobic drugs such as curcumin from polymeric microgels is not trivial. Herein, we report that effective drug loading can be achieved by the design of porous particles and the use of supramolecular cyclodextrin-based curcumin complexes. The fabrication of porous microgels through the judicious choice of chemical precursors under flow conditions was established. The evaluation of the curcumin loading dependence on the porosity of the microgels was performed. Microgels with higher porosity exhibited better curcumin loading compared to those with lower porosity. Curcumin-loaded microgels released the drug, which, upon internalization by U87 MG human glioma cancer cells, induced cytotoxicity. The findings reported here provide valuable insights for the development of tailored drug delivery systems using a microfluidics-based platform and outline a strategy for the effective delivery of hydrophobic therapeutic agents such as curcumin through supramolecular complexation.
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