Journal
ANTIOXIDANTS
Volume 10, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/antiox10081212
Keywords
release kinetics; superparamagnetism; stationary magnetic field; alternating magnetic fields; magnetic nanoparticles; quercetin
Funding
- Croatian Science Foundation [IP-2016-06-8415]
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Superparamagnetic magnetite nanoparticles were prepared using solvothermal method and stabilized with biocompatible polymer PEG-4000 Da. These nanoparticles can deliver and localize the water-insoluble quercetin to desired site by employing combined stationary and alternating magnetic fields, as proven by various analytical techniques. The study demonstrated increased response of quercetin release from superparamagnetic MNPs under specific magnetic field conditions.
Superparamagnetic magnetite nanoparticles (MNPs) with excellent biocompatibility and negligible toxicity were prepared by solvothermal method and stabilized by widely used and biocompatible polymer poly(ethylene glycol) PEG-4000 Da. The unique properties of the synthesized MNPs enable them to host the unstable and water-insoluble quercetin as well as deliver and localize quercetin directly to the desired site. The chemical and physical properties were validated by X-ray powder diffraction (XRPD), field emission scanning electron microscopy (FE-SEM), atomic force microscopy (AFM), superconducting quantum interference device (SQUID) magnetometer, FTIR spectroscopy and dynamic light scattering (DLS). The kinetics of in vitro quercetin release from MNPs followed by UV/VIS spectroscopy was controlled by employing combined stationary and alternating magnetic fields. The obtained results have shown an increased response of quercetin from superparamagnetic MNPs under a lower stationary magnetic field and s higher frequency of alternating magnetic field. The achieved findings suggested that we designed promising targeted quercetin delivery with fine-tuning drug release from magnetic MNPs.
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