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Polymeric micelles based on hyaluronic acid and phospholipids: Design, characterization, and cytotoxicity
Author(s) -
Saadat Ebrahim,
Amini Mohsen,
Dinarvand Rassoul,
Dorkoosh Farid A.
Publication year - 2014
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.40944
Subject(s) - hyaluronic acid , cytotoxicity , micelle , characterization (materials science) , chemistry , chemical engineering , materials science , polymer chemistry , polymer science , organic chemistry , nanotechnology , biochemistry , in vitro , engineering , aqueous solution , biology , genetics
Novel amphiphilic copolymers were synthesized and characterized by 1 H NMR using Hyaluronic acid (HA) as a hydrophilic part and phosphatidylethanolamine (PE) including 1,2‐dimiristoyl‐sn‐glycerol‐3‐phosphatidylethanolamine (DMPE) and 1,2‐distearoyl‐sn‐glycerol‐3‐phosphatidylethanolamine (DSPE) as a hydrophobic segment. The newly developed HA‐PE copolymers form a micelle in an aqueous media. The micellar properties, including critical micelle concentration (CMC) with pyrene as a fluorescence probe and micelle morphology, using transmission electron microscopy were assessed. It was found that the CMC values for HA‐DMPE and HA‐DSPE were 15.5 and 13.4 μg/mL, respectively. Also micelles were spherical in shape and within the size range of 162–214 nm. The solubility of cholesterol, a highly hydrophobic compound, was enhanced to 0.25 mg/mL which is much higher than it is in water (0.0001 mg/mL). In vitro cytotoxicity assay of HA‐PE copolymers showed no toxicity on human breast cancer cell line (MCF‐7). These results suggest that HA‐PE micelles could be considered as a promising carrier for delivery of hydrophobic compounds. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014 , 131 , 40944.

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