Novel star-type methoxy-poly(ethylene glycol) (PEG)–poly(ε-caprolactone) (PCL) copolymeric nanoparticles for controlled release of curcumin
Source abstract
Abstract
To improve curcumin’s (CURs) water solubility and release property, a novel star methoxy poly(ethylene glycol)–poly(e-caprolactone) (MPEG–PCL) copolymer was synthesized through O-alkylation, basic hydrolysis and ring-opening polymerization reaction with MPEG, epichlorohydrin, and e-caprolactone as raw materials. The structure of the novel copolymer was characterized by 1H NMR, FT-IR, and GPC. The results of FT-IR and differential scanning calorimeter of CUR-loaded nanoparticles (NPs) prepared by dialysis method showed that CUR was successfully encapsulated into the SMP12 copolymeric NPs with 98.2 % of entrapment efficiency, 10.91 % of drug loading, and 88.4 ± 11.2 nm of mean particle diameter in amorphous forms. The dissolubility of nanoparticulate CUR was increased by 1.38 × 105 times over CUR in water. The obtained blank copolymer showed no hemolysis. A sustained CUR release to a total of approximately 56.13 % was discovered from CUR-NPs in 40 % of ethanol saline solution within 72 h on the use of dialysis method. The release behavior fitted the ambiexponent and biphasic kinetics equation. In conclusion, the copolymeric NPs loading CUR might serve as a potential nanocarrier to improve the solubility and release property of CUR.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Curcumin's Biomedical Applications · Polymer Nanocomposites and Properties · Nanoparticle-Based Drug Delivery
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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