通过结构和化学决定因素提高纯分子筛和离子交换分子筛杀微生物活性的综合研究

IF 4.9 4区 工程技术 Q1 BIOCHEMICAL RESEARCH METHODS
Hadi Tabesh, Shabnam Kharrazi, Mostafa Bashiri Barazandeh, Parastoo Ebadoulah Poursafa, Ali Poorkhalil
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引用次数: 0

摘要

沸石是晶体铝硅酸盐材料,以其独特的结构和小孔隙而闻名,使其非常适合各种应用,包括抗菌用途。它们多孔的表面使它们能够作为金属离子的载体,增强它们的抗菌潜力。最近,一项综合文献综述评估了天然和合成沸石的抗菌活性,特别关注了它们在用金属离子修饰后的性能。该研究证实,虽然未经改性的沸石具有一些固有的抗菌特性,但它们的效果通常仅限于高浓度。相比之下,用金属离子修饰的沸石,如银(Ag)、铜(Cu)或锌(Zn),在低浓度下表现出显著增强的抗菌效果。在金属修饰的沸石中,ag处理的沸石A (ZA)表现出最有效的效果,对各种细菌菌株的最低抑制浓度(MIC)仅为16µg/mL。这种增强的活性归因于银离子的控制释放和ZA的高离子交换能力,这允许持续的抗菌作用。这些发现表明,金属交换沸石,特别是那些具有高离子保留能力的沸石,作为长效和高效的抗菌剂具有强大的潜力。这种材料在医疗、环境和工业应用中可能很有价值,特别是在细菌耐药性日益受到关注的地方。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A Comprehensive Study on Enhancing Microbicidal Activity of Pure and Ion-Exchanged Zeolites Through Structural and Chemical Determinants

A Comprehensive Study on Enhancing Microbicidal Activity of Pure and Ion-Exchanged Zeolites Through Structural and Chemical Determinants

Zeolites are crystalline aluminosilicate materials known for their unique structures and small pores, making them highly suitable for various applications, including antimicrobial uses. Their porous surfaces enable them to act as carriers for metal ions, enhancing their antibacterial potential. A recent comprehensive review of the literature assessed the antibacterial activity of both natural and synthetic zeolites, with a specific focus on their performance after being modified with metal ions. The study confirmed that while unmodified zeolites possess some inherent antibacterial properties, their effectiveness is generally limited to high concentrations. In contrast, zeolites modified with metal ions, such as silver (Ag), copper (Cu), or zinc (Zn), demonstrate significantly enhanced antimicrobial effects at much lower concentrations. Among the metal-modified zeolites, Ag-treated zeolite A (ZA) emerged as the most effective, exhibiting a remarkably low minimum inhibitory concentration (MIC) of just 16 µg/mL against various bacterial strains. This heightened activity is attributed to the controlled release of Ag ions and the high ion-exchange capacity of ZA, which allows for sustained antimicrobial action. These findings suggest that metal-exchanged zeolites, particularly those with high ion-retention capabilities, hold strong potential as long-lasting and efficient antimicrobial agents. Such materials could be valuable in medical, environmental, and industrial applications, especially where bacterial resistance is a growing concern.

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来源期刊
IET nanobiotechnology
IET nanobiotechnology 工程技术-纳米科技
CiteScore
6.20
自引率
4.30%
发文量
34
审稿时长
1 months
期刊介绍: Electrical and electronic engineers have a long and illustrious history of contributing new theories and technologies to the biomedical sciences. This includes the cable theory for understanding the transmission of electrical signals in nerve axons and muscle fibres; dielectric techniques that advanced the understanding of cell membrane structures and membrane ion channels; electron and atomic force microscopy for investigating cells at the molecular level. Other engineering disciplines, along with contributions from the biological, chemical, materials and physical sciences, continue to provide groundbreaking contributions to this subject at the molecular and submolecular level. Our subject now extends from single molecule measurements using scanning probe techniques, through to interactions between cells and microstructures, micro- and nano-fluidics, and aspects of lab-on-chip technologies. The primary aim of IET Nanobiotechnology is to provide a vital resource for academic and industrial researchers operating in this exciting cross-disciplinary activity. We can only achieve this by publishing cutting edge research papers and expert review articles from the international engineering and scientific community. To attract such contributions we will exercise a commitment to our authors by ensuring that their manuscripts receive rapid constructive peer opinions and feedback across interdisciplinary boundaries. IET Nanobiotechnology covers all aspects of research and emerging technologies including, but not limited to: Fundamental theories and concepts applied to biomedical-related devices and methods at the micro- and nano-scale (including methods that employ electrokinetic, electrohydrodynamic, and optical trapping techniques) Micromachining and microfabrication tools and techniques applied to the top-down approach to nanobiotechnology Nanomachining and nanofabrication tools and techniques directed towards biomedical and biotechnological applications (e.g. applications of atomic force microscopy, scanning probe microscopy and related tools) Colloid chemistry applied to nanobiotechnology (e.g. cosmetics, suntan lotions, bio-active nanoparticles) Biosynthesis (also known as green synthesis) of nanoparticles; to be considered for publication, research papers in this area must be directed principally towards biomedical research and especially if they encompass in vivo models or proofs of concept. We welcome papers that are application-orientated or offer new concepts of substantial biomedical importance Techniques for probing cell physiology, cell adhesion sites and cell-cell communication Molecular self-assembly, including concepts of supramolecular chemistry, molecular recognition, and DNA nanotechnology Societal issues such as health and the environment Special issues. Call for papers: Smart Nanobiosensors for Next-generation Biomedical Applications - https://digital-library.theiet.org/files/IET_NBT_CFP_SNNBA.pdf Selected extended papers from the International conference of the 19th Asian BioCeramic Symposium - https://digital-library.theiet.org/files/IET_NBT_CFP_ABS.pdf
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