辣木叶提取物介导的氧化锌纳米结构的合成增强了红酶的光催化氧化。

IF 4.6 3区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
RSC Advances Pub Date : 2025-01-27 DOI:10.1039/D4RA08782H
Noshaba Parven, Khalida Faryal Almani, Muhammad Ali Bhatti, Aneela Tahira, Omm-e-Hany, Aqeel Ahmed Shah, Ayman Nafady, Matteo Tonezzer and Zafar Hussain Ibupoto
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引用次数: 0

摘要

本文主要研究了氧化锌纳米结构对红红染料的高效氧化和氧化锌的抗菌活性。结果表明,辣木叶中的植物化学物质可以改变ZnO纳米结构的大小、形状、结晶性质和表面化学成分。以15 mL辣木叶提取物(S-15)为原料合成的ZnO纳米结构在自然光照下对红红素染料具有高效的氧化作用。研究了初始染料浓度、染料溶液pH、催化剂用量、循环稳定性等光催化剂评价参数。在碱性pH为12,低浓度为4.54 × 10-5 m的条件下,S-15氧化锌样品的去除率几乎达到100%,并且对大肠杆菌和枯草芽孢杆菌的抑菌活性也有所提高。辣木叶提取物的使用可以被认为是一种低成本、简便和生态友好的绿色合成方案,可以替代有毒化学物质的使用,并消除在合成高性能纳米结构材料过程中有毒化学物质释放到环境中的风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Moringa oleifera leaves extract-mediated synthesis of ZnO nanostructures for the enhanced photocatalytic oxidation of erythrosine†

Moringa oleifera leaves extract-mediated synthesis of ZnO nanostructures for the enhanced photocatalytic oxidation of erythrosine†

This study was focused on the development of ZnO nanostructures for the efficient oxidation of erythrosine dye and for studying the antibacterial activity of ZnO. It was observed that the phytochemicals from Moringa oleifera leaves modified the size, shape, crystalline properties and surface chemical composition of the ZnO nanostructures. ZnO nanostructures synthesized with 15 mL Moringa oleifera leaves extract (S-15) demonstrated highly efficient oxidation of erythrosine dye under the illumination of natural sunlight. Various photocatalyst evaluation parameters, such as initial dye concentration, pH of the dye solution, catalyst dose and cycling stability, were studied. The S-15 sample of ZnO exhibited almost 100% dye removal in an alkaline pH of 12 and a low concentration of 4.54 × 10−5 M. Furthermore, improved antibacterial activity was also observed against E. coli and Bacillus subtilis bacteria strains. The use of Moringa oleifera leaves extract could be considered a low-cost, facile and ecofriendly green synthesis protocol for replacing the use of toxic chemicals and for eliminating the risk of releasing of toxic chemicals into the environment during the synthesis of high-performance nanostructured materials.

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来源期刊
RSC Advances
RSC Advances chemical sciences-
CiteScore
7.50
自引率
2.60%
发文量
3116
审稿时长
1.6 months
期刊介绍: An international, peer-reviewed journal covering all of the chemical sciences, including multidisciplinary and emerging areas. RSC Advances is a gold open access journal allowing researchers free access to research articles, and offering an affordable open access publishing option for authors around the world.
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