Antimicrobial, photodegradation and BioReRAM applications of multifaceted green zinc oxide nanoparticles synthesized using coffee leaves extract.

IF 3.9 2区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Scientific Reports Pub Date : 2025-08-08 DOI:10.1038/s41598-025-01260-3

Vanessa de Oliveira Arnoldi Pellegrini, Aparecido de Jesus Bernardo, Bruno Roberto Rossi, Ramon Resende Leite, João Fernando Possatto, Andrei Nicoli Gebieluca Dabul, Carla Raquel Fontana, Zolile Wiseman Dlamini, Tebogo Sfiso Mahule, Belda Q Mosepele, Force Tefo Thema, Bhekie B Mamba, Maria Ines Basso Bernardi, Sreedevi Vallabhapurapu, Vijaya Srinivasu Vallabhapurapu, Igor Polikarpov

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引用次数: 0

Abstract

The comprehensive utilization of plant biomass is a cornerstone in the development of sustainable circular bioeconomy. Several studies explore the conversion of primary biomass polymers and macromolecules, such as cellulose, hemicellulose, and lignin, into value-added chemical compounds, sustainable materials and biofuels. However, extractives warrant further investigations. Coffee, being one of the most consumed and produced global commodity and therefore widely available in a number of countries, presents an exciting study case. Here, we have employed fresh coffee leaves extract for the synthesis of zinc oxide nanoparticles (ZnO NPs). The synthesized ZnO NPs were characterized, including ultraviolet-visible and Fourier transform infrared spectroscopies, dynamic light scattering, scanning electron microscopy, X-ray diffraction, electron paramagnetic resonance, energy-dispersive X-ray spectroscopy, and thermal gravimetric analysis. Nanoscale size and reduced optical bandgap (3.2 eV) of the ZnO NPs contributed to their significant antimicrobial and photodegradation effects. Furthermore, with the aim of producing biological Resistive Random-Access Memory (bioReRAM) devices, we successfully explored the resistive switching properties of chitosan polysaccharide doped with the ZnO NPs.

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利用咖啡叶提取物合成的多层绿色氧化锌纳米颗粒的抗菌、光降解和bioream应用。

植物生物量的综合利用是发展可持续循环生物经济的基石。一些研究探索了将初级生物质聚合物和大分子（如纤维素、半纤维素和木质素）转化为增值化合物、可持续材料和生物燃料。然而，采掘物值得进一步调查。咖啡是全球消费和生产最多的商品之一，因此在许多国家都可以广泛使用，这是一个令人兴奋的研究案例。本研究采用新鲜咖啡叶提取物合成氧化锌纳米颗粒（ZnO NPs）。利用紫外可见光谱、傅里叶变换红外光谱、动态光散射、扫描电镜、x射线衍射、电子顺磁共振、能量色散x射线能谱和热重分析等手段对合成的ZnO纳米粒子进行了表征。纳米尺寸和减小的光学带隙（3.2 eV）有助于ZnO NPs具有显著的抗菌和光降解效果。此外，为了制备生物电阻随机存取存储器（bioreeram）器件，我们成功地探索了ZnO纳米粒子掺杂壳聚糖多糖的电阻开关特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Scientific Reports Natural Science Disciplines-

CiteScore

7.50

自引率

4.30%

发文量

19567

审稿时长

3.9 months

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