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Nonionic Dendritic and Carbohydrate Based Amphiphiles: Self-Assembly and Transport Behavior

"Prasad, S.; Achazi, K.; Schade, B.; Haag, R.; Sharma, S. K." – 2018

Herein, a new series of non-ionic dendritic and carbohydrate based amphiphiles is synthesized employing biocompatible starting materials and studied for supramolecular aggregate formation in aqueous solution. The dendritic amphiphiles 12 and 13 possessing poly(glycerol) [G2.0] as hydrophilic unit and C-10 and C-18 hydrophobic alkyl chains, respectively, exhibit low critical aggregation concentration (CAC) in the order of 10(-5) m and hydrodynamic diameters in the 8-10 nm range and supplemented by cryogenic transmission electron microscopy. Ultraviolet-visible (UV-Vis) and fluorescence spectroscopy suggests the effective solubilization of hydrophobic guests by the self-assembled architectures, with the nanotransporters 12 and 13 possessing the highest encapsulation efficiency of 80.74 and 98.03% for curcumin. Efficient uptake of encapsulated curcumin in adenocarcinomic human alveolar basal epithelial (A549) cells is observed by confocal laser scanning microscopy. Amphiphiles 12 and 13 are non-cytotoxic at the concentrations studied, however, curcumin encapsulated samples efficiently reduce the viability of A549 cells in vitro. Experimental studies indicate the ability of amphiphile 13 to encapsulate 1-anilinonaphthalene-8-sulfonic acid (ANS) and curcumin with binding constant of 1.16 x 105(5) m(-1) and 1.43 x 10(6) m(-1) , respectively. Overall, our findings demonstrate the potential of these dendritic amphiphiles for the development of prospective nanocarriers for the solubilization of hydrophobic drugs.

Title
Nonionic Dendritic and Carbohydrate Based Amphiphiles: Self-Assembly and Transport Behavior
Author
"Prasad, S.; Achazi, K.; Schade, B.; Haag, R.; Sharma, S. K."
Publisher
Macromol Biosci
Keywords
"A549 Cells; amphiphiles; Anilino Naphthalenesulfonates/chemistry; Antineoplastic Agents, Phytogenic/chemistry/*pharmacology; Benzoates/*chemistry; binding studies; Biocompatible Materials/*chemical synthesis/metabolism; Biological Transport; Cell Survival/drug effects; Curcumin/chemistry/*pharmacology; cytotoxicity; Drug Carriers/*chemical synthesis/metabolism; Drug Compounding/methods; encapsulation; Ethylamines/chemistry; Fluorescent Dyes/chemistry; Glycerol/*chemistry; Humans; Hydrophobic and Hydrophilic Interactions; Microscopy, Electron, Transmission; Polymers/*chemistry; self-assembly"
Date
2018
Identifier
1616-5195 (Electronic) 1616-5187 (Linking)
Type
Text