Sustainable synthesis of MgO NSs using natural products for enriching structural, optical, magnetic & hyperthermic response and their impact against microbes & breast cancer cells

IF 4.7 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Chemistry and Physics Pub Date : 2025-07-23 DOI:10.1016/j.matchemphys.2025.131332

Himani Bhoi , Sudeep Tiwari , Manisha , Vivek K. Salvi , Papori Seal , Shrey K. Modi , Ganesh Lal , Priya L. Mange , Vinod Saharan , Jyoti Prasad Borah , Shiv K. Barbar , Kunal B. Modi , Sudhish Kumar

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Abstract

In this research, MgO nanostructures (NSs) have been synthesized via green self-combustion reactions using natural products as reducing, capping & stabilizing agents. Thermal gravimetric analysis, Powder X-ray diffraction, High resolution Transmission electron microscopy, Selected area Electron diffraction, Energy dispersive X-ray and Fourier transform infrared spectroscopic analysis confirmed phase pure fcc structure of MgO NSs with fuel dependent mean size of nanoparticles, as 19, 16, 16, 96 & 10 nm for lemon juice, sugarcane + lemon juice, lemon juice + ammonia, aloe-vera juice and citric acid, respectively. Notably, formation of oxygen vacancies, Mg vacancies and generation of reactive oxygen species in MgO NSs have been divulged by diffuse reflectance, Photoluminescence and Electron spin resonance spectroscopic analysis. These MgO NSs demonstrated maximum change in reflectance over the UV & Blue color bands and fuel dependent band gap energies in the 2.75–3.87 eV range. MgO NSs showed up significant suppression of bacteria and fungi as their MIC against Staphylococcus aureus, Streptococcus pyogenus, Escherichia coli & Pseudomonas aeruginosa and Candida albicans, Aspergillus niger & Aspergillus clavatus are comparable to Ampicillin, Chloramphenicol and Greseofulvin. Further, MgO: LA NSs prepared with lemon juice demonstrated coexistence of soft ferrimagnetism and superparamagnetism at 300 K with M_s = ∼ 0.635 emu/g and significant heat generation efficiency (∼ 198.3 W/g), which is suited for mild hyperthermia therapeutics. MgO: LA NSs exhibited good cytotoxic response against MCF-7 breast cancer cells. These greenly produced MgO NSs could be useful for biomedical applications, water purification and food preserving by inactivation of bacterial growth along with other technological applications.

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利用天然产物可持续合成MgO NSs，以丰富结构、光学、磁和热反应及其对微生物和乳腺癌细胞的影响

在本研究中，利用天然产物作为还原剂、封盖剂和封盖剂，通过绿色自燃反应合成了MgO纳米结构（NSs）。稳定剂。热重分析、粉末x射线衍射、高分辨率透射电镜、选择区电子衍射、能量色散x射线和傅里叶变换红外光谱分析证实了MgO纳米颗粒的相纯fcc结构，纳米颗粒的平均尺寸为19、16、16、96和amp，与燃料有关；柠檬汁、甘蔗+柠檬汁、柠檬汁+氨水、芦荟汁和柠檬酸分别为10 nm。值得注意的是，通过漫反射、光致发光和电子自旋共振光谱分析，揭示了MgO NSs中氧空位、Mg空位的形成和活性氧的产生。这些MgO NSs在UV上的反射率变化最大；在2.75 ~ 3.87 eV范围内的蓝色能带和燃料依赖带隙能量。MgO NSs对金黄色葡萄球菌、脓链球菌、大肠杆菌等细菌和真菌的MIC均有显著抑制作用；铜绿假单胞菌、白色念珠菌、黑曲霉；曲霉的作用与氨苄青霉素、氯霉素和绿霉素相当。此外，用柠檬汁制备的MgO: LA NSs在300 K时表现出软铁磁性和超顺磁性共存，Ms = ~ 0.635 emu/g，产热效率显著（~ 198.3 W/g），适用于轻度热疗治疗。MgO: LA NSs对MCF-7乳腺癌细胞表现出良好的细胞毒反应。这些绿色生产的MgO NSs可用于生物医学应用、水净化和通过灭活细菌生长的食品保存以及其他技术应用。

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来源期刊

Materials Chemistry and Physics 工程技术-材料科学：综合

CiteScore

8.70

自引率

4.30%

发文量

1515

审稿时长

69 days

期刊介绍： Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.