Abstract

This study aims to prepare, characterize, and evaluate zinc oxide nanoscaffolds (ZnO NSs) as a potential anticancer drug that selectively targets malignant cells while remaining non-toxic to normal cells. Electrospun NSs were fabricated and loaded with varying concentrations of ZnO nanoparticles (NPs). The uniform morphology of the fabricated samples was confirmed through Field Emission Scanning Electron Microscope (FESEM) imaging. Elemental composition was investigated using Energy Dispersive X-ray spectroscopy (EDX), Fourier Transform Infrared (FTIR), and X-ray diffraction (XRD) analyses. Biocompatibility and cytotoxicity were assessed using the (3-(4.5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay) (MTT) assay and flow cytometry. The water uptake and degradation properties of the electrospun NSs were also examined. Furthermore, a cumulative release profile was generated to assess the release behavior of ZnO NSs. The prepared ZnO NSs demonstrated negligible toxicity toward normal human dermal cells. Conversely, the four used concentrations of ZnO NSs displayed substantial cytotoxicity and induced apoptosis in various cancer cell lines. The observed effects were concentration-dependent. Notably, ZnO NSs 8% exhibited the most significant reduction in cell viability against the MCF7 cell line. The findings from this study indicate the potential of ZnO NSs as an effective anticancer agent, with the ZnO NSs 8% demonstrating the most pronounced impact. This research introduces a novel application of electrospun zinc oxide nanoscaffolds, demonstrating their capacity for selective anticancer activity, particularly against breast carcinoma, while preserving normal cell viability. The study presents a significant advancement in the use of nanomaterial for targeted cancer therapy.

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