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Drug Delivery Letters


ISSN (Print): 2210-3031
ISSN (Online): 2210-304X

Research Article

Folate Tethered Gd2O3 Nanoparticles Exhibit Photoactive Antimicrobial Effects and pH Responsive Delivery of 5-fluorouracil into MCF-7 Cells

Author(s): Sambhaji R. Bamane and Vijay J. Sawant*

Volume 9, Issue 1, 2019

Page: [58 - 68] Pages: 11

DOI: 10.2174/2210303109666181224114546

Price: $65


Background: Destroying hydrophobicity and increasing bioavailability of anticancer drugs is emerging field in biomedical nanotherapy.

Methods: The porous and oval shaped Gd2O3 gadolinite nanoparticles were synthesized and surface functionalized with folate groups using wet coprecipitation method. The presence of spinal nanophase with Gd2O3 lattice inside nanoparticles was confirmed by the use of XRD pattern and supportive FTIR spectrum. XRD data of nanocomposites proved the spinal core of gadolinite phase even after surface tailoring. These porous nanoparticles were loaded with anticancer drug 5-flurouracil for enhancement of anticancer activity on breast cancer MCF-7 cells. The elemental, optical, morphological and phase physicochemical characterization of the nanomaterials were performed using techniques such as PL, FTIR, XRD spectrometry, TGA thermal analysis, SEM and TEM microscopic analysis. The photoactive biocompatibility of nanohybrids was elaborated on gram positive S. aureus bacteria by agar well antibacterial screening in dark and light.

Results: The nanocomposites not only exhibited photoactive biocompatibility but also pH responsive in vitro delivery applied for anticancer therapy on the basis of spectrometric assay following sustained release with zero order Peppas release kinetics.

Conclusion: The nanocomposites exhibited higher anticancer activity on MCF-7 cells than free drug and nanohybrids after in vitro MTT assay. These 5-FU loaded folate targeted luminescent and photoactive nanocomposites with gadolinite core find applications in the future biomedical cell-particle interface.

Keywords: Anticancer, Gd2O3 nanoparticles, biomedical, photoactive biocompatibility, 5-fluorouracil, MCF-7 cells.

Graphical Abstract
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