Design of a spermine-β-cyclodextrin functionalized gelatin nanoaggregate hydrogel for nose-to-brain delivery of donepezil
Rapid mucociliary clearance and limited permeability across biological barriers remain major challenges for efficient nose-to-brain delivery of donepezil (DNP). Herein, we report a rationally engineered biodegradable gelatin hydrogel in which chemically conjugated spermine-β-cyclodextrin (SPM-β-CD) nanoaggregates were...