Cationic β-cyclodextrin bilayer vesicles

Cationic amphiphilic β-cyclodextrins, substituted with hydrophobic n-alkylthio chains at the primary hydroxyl side and hydrophilic ω-amino-oligo(ethylene glycol) units at the secondary side, form bilayer vesicles with a diameter of 30–35 nm (when alkyl = hexadecyl) or nanoparticles with a diameter of ca. 120 nm (when alkyl = hexyl) in water.

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