Laser-Ablated Tin Dioxide Nanoparticle Synthesis for Enhanced Biomedical Applications

IF 3.3 4区物理与天体物理 Q2 CHEMISTRY, PHYSICAL Plasmonics Pub Date : 2023-05-24 DOI:10.1007/s11468-023-01888-9

Ali J. Hadi, Uday M. Nayef, Majid S. Jabir, Falah A.-H. Mutlak

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引用次数: 2

Abstract

In the current study, SnO₂ nanoparticles were fabricated using laser ablation in water and characterized using ultraviolet-visible (UV-vis) spectroscopy, Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), and X-ray diffraction (XRD). The XRD results showed that the fabricated nanoparticles had a tetragonal crystal structure. TEM micrographs revealed that the nanoparticles were spherical, with average sizes ranging from 10 to 50 nm, depending on the laser energy used. The band gap energy of the SnO₂ nanoparticles was found to increase with decreasing particle size. The antibacterial activity of the SnO₂ nanoparticles was tested against Staphylococcus aureus and Escherichia coli, and the results showed that the nanoparticles were more effective against S. aureus. In addition, the anticancer activity of the SnO₂ nanoparticles was tested against the lung cancer cell line A549 cells, and the findings suggest that the nanoparticles can act as an anti-proliferative agent against A549 cells. This study reveals that SnO₂ nanoparticles that are synthesized by laser ablation in water could be a future strategy for other biomedical applications such as antifungal, antiviral, and immune modulators.

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用于增强生物医学应用的激光烧蚀二氧化锡纳米粒子的合成

摘要在本研究中，使用激光在水中烧蚀制备了SnO2纳米颗粒，并使用紫外-可见光谱、傅立叶变换红外光谱、透射电子显微镜和X射线衍射对其进行了表征。XRD结果表明，制备的纳米颗粒具有四方晶体结构。TEM显微照片显示，纳米颗粒是球形的，平均尺寸在10到50nm之间，这取决于所使用的激光能量。发现SnO2纳米颗粒的带隙能量随着颗粒尺寸的减小而增加。测试了纳米SnO2对金黄色葡萄球菌和大肠杆菌的抗菌活性，结果表明纳米SnO2更有效地对抗金黄色葡萄菌。此外，测试了SnO2纳米颗粒对癌症细胞系A549细胞的抗癌活性，结果表明，纳米颗粒可以作为抗A549细胞增殖剂。这项研究表明，在水中通过激光消融合成的SnO2纳米颗粒可能是其他生物医学应用的未来策略，如抗真菌、抗病毒和免疫调节剂。

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来源期刊

Plasmonics 工程技术-材料科学：综合

CiteScore

5.90

自引率

6.70%

发文量

164

审稿时长

2.1 months

期刊介绍： Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons. Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.