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Volume: 9, Issue: 7, July, 2019
DOI: 10.7324/JAPS.2019.90701



Research Article

Development of synthesis method of magnetic nanoparticles modified by oleic acid and chitosan as a candidate for drug delivery agent

Ika O. Wulandari1, Hermin Sulistyarti1, Anna Safitri1, Dionysius J. D. H Santjojo2 & 3, Akhmad Sabarudin1&3

  Author Affiliations


Abstract

In this study, magnetic nanoparticles (MNPs) coated with a combination of oleic acid and chitosan were synthesized by ex situ and in situ coprecipitation methods. Morphology and particle size, crystal structure and crystallite size, chemical structure, and magnetic saturation were characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), Fourrier transform infrared, and vibrating sample magnetometer (VSM), respectively. SEM images showed that better spherical morphology is obtained by ex situ co-precipitation method. The XRD pattern identified that nanoparticles containing Fe3O4 and γ-Fe2O3. The particles and crystallite size of the nanoparticles tended to decrease with increasing oleic acid to the optimum composition. Further functionalization through the chitosan addition (crosslinked by Tripolyphosphate/sulfate) is contributed to the hydrophilicity properties of nanoparticles. Through VSM analysis, MNPs-oleic acid-chitosan showed superparamagnetic behavior with magnetic saturation reaching 32.63 emu/g. There was a linear correlation between magnetic saturation and Fe3O4 content of nanoparticles. Drug loading and drug release were carried out by using Doxorubicin. These nanoparticles showed a high drug loading efficiency with lower chitosan composition. Loading efficiency of Doxorubicin is related to the conjugation with carboxylic groups and hydrophobic sites from oleic acid and MNPs.

Keywords:

Magnetic nanoparticles, oleic acid, chitosan, doxorubicin, drug loading.



Citation: Wulandari IO, Sulistyarti H, Safitri A, Santjojo DJDH, Sabarudin A. Development of synthesis method of magnetic nanoparticles modified by oleic acid and chitosan as a candidate for drug delivery agent. J Appl Pharm Sci, 2019; 9(07):001–011.


Copyright: The Author(s). This is an open access article distributed under the Creative Commons Attribution Non-Commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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