Drug Delivery of Amphotericin B through Core-Shell Composite Based on PLGA/Ag/Fe3O4: In Vitro Test

  • Shiva Sadat Akhavi
  • Shahram Moradi DehaghiEmail author


This research aimed at developing and designing a slow and targeted delivery of Amphotericin B (AmB) antibiotic by placing three types of shells containing different ratios of biodegradable and biocompatible polymers poly (D, L-lactide)-co-(glycolide) (PLGA), polyethylene glycol (PEG), and polyvinyl pyrrolidone (PVP) on core-shell structures including silver nanoparticles that were activated with magnetic nanoparticles (MNPs). Emulsion solvent evaporation technique was employed to synthesize three types of shells: (i) (PVP-PEG) (100:20, w/w), (ii) (PLGA-PEG) (100:20, w/w), and (iii) (PLGA-PEG) (50:10, w/w) introduced as D1, D2, and D3 respectively. The in vitro release of AmB was examined in aqueous medium phosphate buffer saline (PBS) in pH~ 7.2. Several spectroscopy methods characterized the structure and properties of the nanoparticles. In vitro antifungal activity of pure AmB and D1, D2, and D3 was studied against Candida albicans (C. albicans). The results explained that frequency of drug released from D2 at the first 10 h was (18%) that was compared with D1 (30%) and D3 (24%) at the same time. D2 had more efficient and longer targeted controlled release. The findings showed that D2 can be used as an effective carrier for in vitro targeted controlled release and D2 and D3 had powerful activity against C. albicans.


Drug delivery Amphotericin B Magnetic nanoparticles Core-shell Emulsion solvent evaporation 


Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.


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Authors and Affiliations

  1. 1.Department of ChemistryIslamic Azad University, Tehran North BranchTehranIran

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