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<p>The current study outlines the simple process of designing Au nanoparticles (NPs) under mild conditions using gelatin as a natural capping and reducing agent. Through the use of UV–Vis (ultraviolet–visible), FT-IR (Fourier transform infrared) spectroscopy, TEM (transmission electron microscopy), FE-SEM (field emission scanning electron microscopy), EDX (energy-dispersive X-ray spectroscopy), XRD (X-ray diffraction), and elemental mapping techniques, the formation of gold nanoparticles stabilized by gelatin (Au NPs@Gel) and their structural properties were investigated. Gelatin-capped Au NPs produced the spherical, lowest average particle sizes, ranging from 10 to 15&#xa0;nm, according to the microscopic images. Additionally, Au NPs/Gelatin showed a notably high percentage of cytotoxicity when tested against common human endometrial cell lines, such as AN3-CA and HEC-1-A, but a very low percentage of toxicity when tested against normal cell lines. Au NPs@Gel showed the strongest anti-endometrial effects against the AN3-CA cell line. The DPPH (2,2-Diphenyl-1-picrylhydrazyl) experiment was employed to examine the antioxidant characteristics of the Au NPs@Gel bio-composite, with BHT (butylated hydroxytoluene) serving as the positive control. IC<sub>50</sub> of the Au NPs@Gel material was found to be 213.8&#xa0;µg/mL in the DPPH assay. Antioxidant activity of the Au NPs@Gel was strongly correlated with its capacity to prevent endometrial cancer. According to the aforementioned results, Au NPs@Gel may be used to treat a variety of human cancers.</p>

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Ultrasound-assisted biosynthesis of gelatin-gold nanocomposite: investigation of its antioxidant activity and its performance as anti-endometrial cancer in vitro

  • 期刊论文

  • 发表日期：

    2025年3月10日

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  • Ying Shao,
  • Na Hu,
  • Jun Zhang,
  • Attalla F. El-kott,
  • Sally Negm

摘要

The current study outlines the simple process of designing Au nanoparticles (NPs) under mild conditions using gelatin as a natural capping and reducing agent. Through the use of UV–Vis (ultraviolet–visible), FT-IR (Fourier transform infrared) spectroscopy, TEM (transmission electron microscopy), FE-SEM (field emission scanning electron microscopy), EDX (energy-dispersive X-ray spectroscopy), XRD (X-ray diffraction), and elemental mapping techniques, the formation of gold nanoparticles stabilized by gelatin (Au NPs@Gel) and their structural properties were investigated. Gelatin-capped Au NPs produced the spherical, lowest average particle sizes, ranging from 10 to 15 nm, according to the microscopic images. Additionally, Au NPs/Gelatin showed a notably high percentage of cytotoxicity when tested against common human endometrial cell lines, such as AN3-CA and HEC-1-A, but a very low percentage of toxicity when tested against normal cell lines. Au NPs@Gel showed the strongest anti-endometrial effects against the AN3-CA cell line. The DPPH (2,2-Diphenyl-1-picrylhydrazyl) experiment was employed to examine the antioxidant characteristics of the Au NPs@Gel bio-composite, with BHT (butylated hydroxytoluene) serving as the positive control. IC50 of the Au NPs@Gel material was found to be 213.8 µg/mL in the DPPH assay. Antioxidant activity of the Au NPs@Gel was strongly correlated with its capacity to prevent endometrial cancer. According to the aforementioned results, Au NPs@Gel may be used to treat a variety of human cancers.