A new deep eutectic solvent-agarose gel with hydroxylated fullerene as electrical "switch" system for drug release

Carbohydr Polym. 2022 Nov 15:296:119939. doi: 10.1016/j.carbpol.2022.119939. Epub 2022 Aug 2.

Abstract

A novel portable conductive system of hydroxylated fullerene (TEGs-C60) embedded on the deep eutectic solvent (DES, choline chloride/malic acid)-agarose gel was developed for on-demand curation with skin contact. It has been found with better elasticity, conductivity and thermal stability than agarose hydrogel. Especially, the electro-responsive drug releasing amount on the skin of mice and live rabbits through small batteries was proved to be 4-5 times of those without electrical stimulation, which reached the level of clinic daily dosage. Meanwhile, it also showed good biocompatibility and much higher antibacterial rate against S. aureus (78.67 ± 0.80 %) together with E. coli (92.08 ± 1.50 %) than those of commercial chitosan gel. The new electrical "switch" gel system provided an effective and useful development strategy for advanced drug delivery.

Keywords: Agarose; Anti-bacterial properties; Deep eutectic solvents; Electro-responsive ionic gel; Hydroxylated fullerene.

MeSH terms

  • Animals
  • Deep Eutectic Solvents
  • Drug Liberation
  • Escherichia coli
  • Fullerenes*
  • Rabbits
  • Sepharose
  • Solvents
  • Staphylococcus aureus

Substances

  • Deep Eutectic Solvents
  • Fullerenes
  • Solvents
  • Sepharose