ArticleIranian journal of medical sciences2026
Surface-Engineered Selenium Nanoparticles with L-Asparagine and Tartaric Acid: Therapeutic Efficacy Against Breast Cancer and Bacterial Infections.
Article in Iranian journal of medical sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Selenium nanoparticles (SeNPs), compared to other forms of selenium, have shown promising antioxidant and anticancer properties with lower toxicity. However, SeNPs precipitate and aggregate in aqueous solutions due to their high surface energy. To overcome this limitation and improve stability, solubility, and enhance biological efficacy, we functionalized them with L-asparagine/tartaric acid (Asn-Tar). This study aimed to evaluate the antimicrobial, cytotoxic, and antioxidant properties of SeNPs conjugated to Asn-Tar on MDA-MB-231 breast cancer cells. Methods: This study was conducted at Lorestan, Iran, in 2023. SeNPs were synthesized using a co-precipitation method and then coated with Asn-Tar. Structural characterization was performed using Fourier transform infrared spectroscopy (FTIR), X-ray Diffraction (XRD), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM), Dynamic light scattering (DLS), zeta potential analysis, and Ultraviolet-visible (UV-Vis) spectroscopy. Antioxidant activity was assessed. For biological evaluation, an Results: The synthesized Asn-Tar/SeNPs nanocomposite exhibited a spherical morphology with an average size of 460.8 nm, a negative zeta potential (-9.37±0.44 mV), and successful coating was confirmed by FTIR and XRD. The nanocomposite demonstrated dose-dependent antioxidant activity, with an IC Conclusion: The produced Asn-Tar/SeNPs nanocomposite exhibited potent antimicrobial, selective cytotoxicity, and antioxidant properties. Our findings confirm the potential of these Asn-Tar/SeNPs nanocomposites for targeted therapy of breast cancer.
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