Arundeep Akshay Urja Pvt. Ltd. Gorakhpur, Uttar Pradesh, India.
School of Applied Sciences and Technology (SAST), Gujarat Technological University, Ahmedabad, Gujarat, India.
Front Cell Infect Microbiol. 2023 Feb 28;13:1104615. doi: 10.3389/fcimb.2023.1104615. eCollection 2023.
The use of nanomaterials in several fields of science has undergone a revolution in the last few decades. It has been reported by the National Institutes of Health (NIH) that 65% and 80% of infections are accountable for at least 65% of human bacterial infections. One of their important applications in healthcare is the use of nanoparticles (NPs) to eradicate free-floating bacteria and those that form biofilms. A nanocomposite (NC) is a multiphase stable fabric with one or three dimensions that are much smaller than 100 nm, or systems with nanoscale repeat distances between the unique phases that make up the material. Using NC materials to get rid of germs is a more sophisticated and effective technique to destroy bacterial biofilms. These biofilms are refractory to standard antibiotics, mainly to chronic infections and non-healing wounds. Materials like graphene and chitosan can be utilized to make several forms of NCs, in addition to different metal oxides. The ability of NCs to address the issue of bacterial resistance is its main advantage over antibiotics. This review highlights the synthesis, characterization, and mechanism through which NCs disrupt Gram-positive and Gram-negative bacterial biofilms, and their relative benefits and drawbacks. There is an urgent need to develop materials like NCs with a larger spectrum of action due to the rising prevalence of human bacterial diseases that are multidrug-resistant and form biofilms.
在过去几十年中,纳米材料在多个科学领域的应用发生了革命性的变化。美国国立卫生研究院(NIH)报告称,至少 65%的人类细菌感染可归因于 65%和 80%的感染。它们在医疗保健中的一个重要应用是使用纳米颗粒(NPs)来消灭游离细菌和形成生物膜的细菌。纳米复合材料(NC)是一种具有一个或三个维度尺寸小于 100nm 的多相稳定织物,或具有构成材料的独特相之间纳米级重复距离的系统。使用 NC 材料去除细菌是一种更复杂、更有效的破坏细菌生物膜的技术。这些生物膜对标准抗生素具有抗药性,主要是针对慢性感染和难以愈合的伤口。除了不同的金属氧化物外,还可以使用石墨烯和壳聚糖等材料来制造多种形式的 NC。NC 能够解决细菌耐药性问题,这是其优于抗生素的主要优势。这篇综述重点介绍了 NC 破坏革兰氏阳性和革兰氏阴性细菌生物膜的合成、表征和机制,以及它们的相对优缺点。由于多药耐药且形成生物膜的人类细菌疾病的患病率不断上升,因此迫切需要开发具有更大作用谱的 NC 等材料。