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利用杜松子提取物绿色合成锡酸锶纳米棒：结构表征及抗菌、抗真菌和抗氧化活性评估

Green synthesis of strontium stannate nanorods using extract of Juniperus communis L.: Structural characterization and evaluation of antibacterial, antifungal, and antioxidant activity.

作者信息

Venkatesan Raja, Kanagaraj Thamaraiselvi, Alrashed Maher M, Settu Munusamy, Vetcher Alexandre A, Kim Seong-Cheol

机构信息

School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, 38541, Republic of Korea.

Department of Biomaterials, Saveetha Dental College and Hospitals, SIMATS, Saveetha University, Chennai, Tamil Nadu, 600077, India.

出版信息

Sci Rep. 2025 Sep 1;15(1):32166. doi: 10.1038/s41598-025-14412-2.

DOI:10.1038/s41598-025-14412-2
PMID:40890176
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12402469/
Abstract

Strontium stannate nanorods (SrSnO NRs) were synthesized in the present study via a green, sustainable, and cheap method with leaf extract from Juniperus communis L. UV-visible spectroscopy (UV-Vis), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and Field emission scanning electron microscopy (FESEM) with energy-dispersive X-ray analysis (EDAX) were performed to investigate the SrSnO NRs. The particle size distribution (PSD) of SrSnO NRs characterized by using dynamic light scattering (DLS) analysis. The UV-visible spectra of the synthesized SrSnO NRs showed an absorption peak at 279 nm. SEM images confirmed that SrSnO NRs, which have an average size of about 29 nm, include a bunch of rod-like structure. In addition, the as-formed SrSnO NRs demonstrated excellent antibacterial activity against the bacteria Staphylococcus aureus, Enterococcus faecalis, and Escherichia coli. The synthesized SrSnO nanorods also exhibited a significant amount of antioxidant activity. It is also an attractive biocompatible choice for pharmacological and medical applications.

摘要

在本研究中，采用绿色、可持续且廉价的方法，以杜松叶提取物合成了锡酸锶纳米棒（SrSnO NRs）。利用紫外可见光谱（UV-Vis）、傅里叶变换红外光谱（FTIR）、X射线衍射（XRD）以及带有能量色散X射线分析（EDAX）的场发射扫描电子显微镜（FESEM）对SrSnO NRs进行了研究。通过动态光散射（DLS）分析对SrSnO NRs的粒度分布（PSD）进行了表征。合成的SrSnO NRs的紫外可见光谱在279 nm处显示出一个吸收峰。扫描电子显微镜图像证实，平均尺寸约为29 nm的SrSnO NRs包含一束棒状结构。此外，新形成的SrSnO NRs对金黄色葡萄球菌、粪肠球菌和大肠杆菌表现出优异的抗菌活性。合成的SrSnO纳米棒还表现出显著的抗氧化活性。它也是药理学和医学应用中一个有吸引力的生物相容性选择。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b99/12402469/41008dd68d54/41598_2025_14412_Fig7_HTML.jpg
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