增强抗菌功效的工程金属-有机框架:合成方法、机理观点和多用途应用。

IF 5.2 3区 医学 Q1 ENGINEERING, BIOMEDICAL
Zaixiang Zheng, Junnan Cui, Shutong Wu, Zhimin Cao, Pan Cao
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引用次数: 0

摘要

细菌污染和抗生素耐药性危机不断升级是紧迫的全球公共卫生威胁,2019年约有495万人死于抗菌素耐药性(AMR),预计到2050年每年死亡人数将高达1000万人。作为第三代抗菌材料,金属有机框架(mof)利用其独特的特性,如高比表面积、可调孔隙率和可控制的金属离子释放动力学,已成为传统抗菌剂的有前途的替代品。本文综述了mof的基本原理和核心抑菌机制,包括金属离子(如Ag+、Cu2+、Zn2+)的缓释、活性氧(ROS)的生成以及与包封功能分子的协同作用。我们强调这些机制如何在一系列应用中支撑其有效性。而不是提供一个详尽的合成方法和金属成分的清单,这篇综述侧重于澄清结构-功能关系,使mof基材料优于传统抗菌剂。它们的潜力在几个关键领域尤其明显:伤口敷料和医用涂层,增强组织再生和预防感染;耐药细菌靶向纳米疗法;以及用于食品保鲜和水消毒的功能性涂料。尽管存在挑战,包括临床翻译的差距,复杂的多物种感染的有限疗效,以及不完整的机制理解,mof具有革命性的抗菌治疗的重大希望。通过跨学科优化和转化研究的进步,mof有望推动从“被动防御”到“主动生态调节”的范式转变,为缓解全球抗生素耐药性危机提供关键解决方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Engineering Metal-Organic Frameworks for Enhanced Antimicrobial Efficacy: Synthesis Methodologies, Mechanistic Perspectives, and Versatile Applications.

Bacterial contamination and the escalating crisis of antibiotic resistance represent pressing global public health threats, with approximately 4.95 million deaths linked to antimicrobial resistance (AMR) in 2019 and projections estimating up to 10 million annual fatalities by 2050. As third-generation antimicrobial materials, metal-organic frameworks (MOFs) have emerged as promising alternatives to conventional agents, leveraging their unique attributes such as high specific surface areas, tunable porosity, and controlled metal ion release kinetics. This review provides a systematic analysis of the foundational principles and core antibacterial mechanisms of MOFs, which include the sustained release of metal ions (e.g., Ag+, Cu2+, Zn2+), the generation of reactive oxygen species (ROS), and synergistic effects with encapsulated functional molecules. We highlight how these mechanisms underpin their efficacy across a range of applications. Rather than offering an exhaustive list of synthesis methods and metal compositions, this review focuses on clarifying structure-function relationships that enable MOF-based materials to outperform conventional antimicrobials. Their potential is particularly evident in several key areas: wound dressings and medical coatings that enhance tissue regeneration and prevent infections; targeted nanotherapeutics against drug-resistant bacteria; and functional coatings for food preservation and water disinfection. Despite existing challenges, including gaps in clinical translation, limited efficacy in complex multi-species infections, and incomplete mechanistic understanding, MOFs hold significant promise to revolutionize antimicrobial therapy. Through interdisciplinary optimization and advancements in translational research, MOFs are poised to drive a paradigm shift from "passive defense" to "active ecological regulation", offering a critical solution to mitigate the global AMR crisis.

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来源期刊
Journal of Functional Biomaterials
Journal of Functional Biomaterials Engineering-Biomedical Engineering
CiteScore
4.60
自引率
4.20%
发文量
226
审稿时长
11 weeks
期刊介绍: Journal of Functional Biomaterials (JFB, ISSN 2079-4983) is an international and interdisciplinary scientific journal that publishes regular research papers (articles), reviews and short communications about applications of materials for biomedical use. JFB covers subjects from chemistry, pharmacy, biology, physics over to engineering. The journal focuses on the preparation, performance and use of functional biomaterials in biomedical devices and their behaviour in physiological environments. Our aim is to encourage scientists to publish their results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Several topical special issues will be published. Scope: adhesion, adsorption, biocompatibility, biohybrid materials, bio-inert materials, biomaterials, biomedical devices, biomimetic materials, bone repair, cardiovascular devices, ceramics, composite materials, dental implants, dental materials, drug delivery systems, functional biopolymers, glasses, hyper branched polymers, molecularly imprinted polymers (MIPs), nanomedicine, nanoparticles, nanotechnology, natural materials, self-assembly smart materials, stimuli responsive materials, surface modification, tissue devices, tissue engineering, tissue-derived materials, urological devices.
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