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Development, Optimization, and in Vitro Characterization of Dasatinib-Loaded PEG Functionalized Chitosan Capped Gold Nanoparticles Using Box-Behnken Experimental Design

Development, Optimization, and in Vitro Characterization of Dasatinib-Loaded PEG Functionalized Chitosan Capped Gold Nanoparticles Using Box-Behnken Experimental Design

Sandeep Kumar Reddy Adena, Mansi Upadhyay, Harsh Vardhan, Brahmeshwar Mishra

Drug Dev Ind Pharm. 2018 Mar;44(3):493-501.

PMID: 29161920

Abstract:

Objective:
The purpose of this research study was to develop, optimize, and characterize dasatinib loaded polyethylene glycol (PEG) stabilized chitosan capped gold nanoparticles (DSB-PEG-Ch-GNPs).
Methods:
Gold (III) chloride hydrate was reduced with chitosan and the resulting nanoparticles were coated with thiol-terminated PEG and loaded with dasatinib (DSB). Plackett-Burman design (PBD) followed by Box-Behnken experimental design (BBD) were employed to optimize the process parameters. Polynomial equations, contour, and 3D response surface plots were generated to relate the factors and responses. The optimized DSB-PEG-Ch-GNPs were characterized by FTIR, XRD, HR-SEM, EDX, TEM, SAED, AFM, DLS, and ZP.
Results:
The results of the optimized DSB-PEG-Ch-GNPs showed particle size (PS) of 24.39 ± 1.82 nm, apparent drug content (ADC) of 72.06 ± 0.86%, and zeta potential (ZP) of -13.91 ± 1.21 mV. The responses observed and the predicted values of the optimized process were found to be close. The shape and surface morphology studies showed that the resulting DSB-PEG-Ch-GNPs were spherical and smooth. The stability and in vitro drug release studies confirmed that the optimized formulation was stable at different conditions of storage and exhibited a sustained drug release of the drug of up to 76% in 48 h and followed Korsmeyer-Peppas release kinetic model.
Conclusions:
A process for preparing gold nanoparticles using chitosan, anchoring PEG to the particle surface, and entrapping dasatinib in the chitosan-PEG surface corona was optimized.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP27988778	Gold(III) chloride hydrate		27988-77-8	Price

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