Abstract
ABSTRACT PG-dendritic amide-linked amphiphilic micelles were studied to increase the solubility of hydrophobic molecules. The encapsulation study was done by utilising hydrophobic pyrene dye using U.V. technique. The encapsulation efficiency of the non-ionic amphiphiles was obtained at neutral p.H. and at room temperature (p.H. 7.0 & 28 °C). The G.3 dendron-based non-ionic oleic (C18-cis)-amphiphile was found to have the 78.2% encapsulation efficiency. Studies show that the amide-linked G.1 dendron-based non-ionic (C18-cis) amphiphiles have sustained dye release percentage of 78.00% at p.H. 6.2 and 26.19% at p.H. 7.0 in 72 h at 37 °C. The in vitro cyto-toxicological studies showed that after 24–48 h treatment, the G.1 amide amphiphiles exhibit more than 80% of cell viability for concentration as high as 31.25 μg/mL. The cellular uptake was demonstrated using Coumarin 6. The integrated amphiphiles are biocompatible and can be used in the biomedical field as medication encapsulation and target drug delivery.
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