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首页> 外文期刊>Journal of the Korean Ceramic Society >Microwave-assisted synthesis of magnesium oxide nanoflakes via green chemistry approach using Ficus Racemosa leaf extract: characterization and antibacterial activity
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Microwave-assisted synthesis of magnesium oxide nanoflakes via green chemistry approach using Ficus Racemosa leaf extract: characterization and antibacterial activity

机译：Microwave-assisted synthesis of magnesium oxide nanoflakes via green chemistry approach using Ficus Racemosa leaf extract: characterization and antibacterial activity

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摘要

Global development of nanostructured bioceramics with enhanced functionalities has provided an insight into orthopedic, dental, and other biomedical applications. The present work reports a cost-effective and eco-friendly method for the green synthesis of magnesium oxide (MgO) nanoflakes (NFs) using Ficus Racemosa leaf extract. The NFs were subjected to different characterization techniques like X-ray diffraction, field emission scanning electron microscopy, energy-dispersive spectroscopy, Fourier-transform infrared spectroscopy, ultraviolet-visible, and photoluminescence spectroscopy to detect their structural, physical, chemical, and elemental characteristics. The powder X-ray diffraction of MgO NFs revealed the single phase with an average crystallite size of 24 nm. The Williamson-Hall plot also confirmed the crystallite size as 28 nm, nearly the same as obtained through Debye-Scherrer (24 nm) formula. Field emission scanning electron microscopy revealed the flake-like structure with an average thickness of 3 nm, and the average length was depicted as 280 nm. The ultraviolet-visible absorption spectra of MgO NFs showed a maximum wavelength of around 275 nm, and photoluminescence spectroscopy was used to observe the fluorescent properties. The antibacterial activity of MgO NFs against both S. aureus and E. coli bacteria demonstrated a significant reaction, making it a promising agent for several biomedical applications. [GRAPHICS] .
机译：全球纳米生物陶瓷的发展增强的功能提供了一个了解骨科、牙科等生物医学应用。一个具有成本效益和环保的方法绿色合成氧化镁(分别)使用榕树Racemosa叶nanoflakes (NFs)提取。特征x射线技术场发射扫描电子衍射显微镜、能量色散光谱傅里叶变换红外光谱法,紫外可见,光致发光光谱检测他们的结构,物理、化学和元素特征。分别以NFs揭示了单相平均微晶尺寸24海里。情节也证实了微晶大小28海里,几乎一样的通过德拜谢乐公式(24海里)。扫描电镜揭示了平均厚度的片状的结构3海里,平均长度被描绘成280nm。分别以NFs显示最大波长约为275使用nm,光致发光光谱观察荧光性质。抗菌活性分别以NFs的年代。葡萄球菌和大肠杆菌表现出重要的反应,使其成为有前途的代理几个生物医学应用。

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