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利用葱属废弃物(大蒜)通过支持向量回归进行绿色合成 FeO 纳米粒子,以实现可持续的景观增强。

Green synthesis of FeO nanoparticles using Alliaceae waste (Allium sativum) for a sustainable landscape enhancement using support vector regression.

机构信息

Chongqing Creation Vocational College, Chongqing, 402160, China.

Chongqing Creation Vocational College, Chongqing, 402160, China.

出版信息

Chemosphere. 2023 Sep;334:138638. doi: 10.1016/j.chemosphere.2023.138638. Epub 2023 Apr 24.

Abstract

The synthesis of metal nanoparticles using green chemistry methods has gained significant attention in the field of landscape enhancement. Researchers have paid close attention to the development of very effective green chemistry approaches for the production of metal nanoparticles (NPs). The primary goal is to create an environmentally sustainable technique for generating NPs. At the nanoscale, ferro- and ferrimagnetic minerals such as magnetite exhibit superparamagnetic properties (Fe3O4). Magnetic nanoparticles (NPs) have received increased interest in nanoscience and nanotechnology due to their physiochemical properties, small particle size (1-100 nm), and low toxicity. Biological resources such as bacteria, algae, fungus, and plants have been used to manufacture affordable, energy-efficient, non-toxic, and ecologically acceptable metallic NPs. Despite the growing demand for Fe3O4 nanoparticles in a variety of applications, typical chemical production processes can produce hazardous byproducts and trash, resulting in significant environmental implications. The purpose of this study is to look at the ability of Allium sativum, a member of the Alliaceae family recognized for its culinary and medicinal benefits, to synthesize Fe3O4 NPs. Extracts of Allium sativum seeds and cloves include reducing sugars like glucose, which may be used as decreasing factors in the production of Fe3O4 NPs to reduce the requirement for hazardous chemicals and increase sustainability. The analytic procedures were carried out utilizing machine learning as support vector regression (SVR). Furthermore, because Allium sativum is widely accessible and biocompatible, it is a safe and cost-effective material for the manufacture of Fe3O4 NPs. Using the regression indices metrics of root mean square error (RMSE) and coefficient of determination (R2), the X-ray diffraction (XRD) study revealed the lighter, smoother spherical forms of NPs in the presence of aqueous garlic extract and 70.223 nm in its absence. The antifungal activity of Fe3O4 NPs against Candida albicans was investigated using a disc diffusion technique but exhibited no impact at doses of 200, 400, and 600 ppm. This characterization of the nanoparticles helps in understanding their physical properties and provides insights into their potential applications in landscape enhancement.

摘要

使用绿色化学方法合成金属纳米粒子在景观增强领域引起了广泛关注。研究人员密切关注开发非常有效的绿色化学方法来生产金属纳米粒子(NPs)。主要目标是创造一种环境可持续的技术来生成 NPs。在纳米尺度上,磁铁矿等铁磁和亚铁磁矿物表现出超顺磁性(Fe3O4)。由于其物理化学性质、小粒径(1-100nm)和低毒性,磁性纳米粒子(NPs)在纳米科学和纳米技术中受到越来越多的关注。细菌、藻类、真菌和植物等生物资源已被用于制造经济实惠、节能、无毒且生态可接受的金属 NPs。尽管各种应用对 Fe3O4 纳米粒子的需求不断增长,但典型的化学生产工艺会产生有害的副产品和垃圾,从而对环境产生重大影响。本研究旨在探讨 Allium sativum(葱属家族的一种,以其烹饪和药用价值而闻名)合成 Fe3O4 NPs 的能力。Allium sativum 种子和鳞茎的提取物含有葡萄糖等还原糖,这些还原糖可用作生产 Fe3O4 NPs 的还原剂,以减少对危险化学品的需求并提高可持续性。分析程序是利用机器学习作为支持向量回归(SVR)来进行的。此外,由于 Allium sativum 广泛存在且具有生物相容性,因此它是制造 Fe3O4 NPs 的安全且经济有效的材料。使用回归指数指标均方根误差(RMSE)和决定系数(R2),X 射线衍射(XRD)研究表明,在存在水大蒜提取物和不存在时, NPs 呈现较轻、更光滑的球形形态,粒径为 70.223nm。使用圆盘扩散技术研究了 Fe3O4 NPs 对白色念珠菌的抗真菌活性,但在 200、400 和 600ppm 剂量下没有影响。对纳米粒子的这种特性进行了表征,有助于了解其物理特性,并深入了解它们在景观增强中的潜在应用。

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