Recent Progress on Natural Rubber-Based Materials Containing Metallic and Metal Oxide Nanoparticles: State of the Art and Biomedical Applications

Compounds Pub Date : 2023-03-28 DOI:10.3390/compounds3020023
N. B. Guerra, Jordana Bortoluz, Andressa R. Bystronski, A. E. D. Maddalozzo, D. Restelatto, M. Roesch-Ely, D. Devine, M. Giovanela, J. S. Crespo
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Abstract

Diseases caused by infections are becoming harder to treat as the antibiotics used become less effective. A combination of strategies to develop active biomaterials that enhance antibacterial effects are desirable, especially ones that cause fewer side effects and promote healing properties. The combination of nanotechnology with substances that have intrinsic antibacterial activity can result in the advance of innovative biomedical materials. In this sense, the goal of this work is to provide a summary of natural rubber latex materials obtained from the Hevea brasiliensis tree loaded with metallic and metal oxide nanoparticles. These nanoparticles have unique size-dependent chemical and physical characteristic that make them appropriate for use in pharmaceutical and medical devices, while natural rubber latex is a natural and biocompatible polymer with an intrinsic antibacterial effect. Moreover, we outline here the origin, extraction methods, and composition of natural rubber latex and different techniques for the synthesis of nanoparticles, including physical, chemical, and biological approaches. Finally, we summarize, for the first time, the state of the art in obtaining natural rubber-based materials with metallic and metallic oxide nanoparticles for biomedical applications.
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含金属和金属氧化物纳米颗粒的天然橡胶基材料的最新进展:最新进展和生物医学应用
由于使用的抗生素效果越来越差,感染引起的疾病正变得越来越难以治疗。开发增强抗菌效果的活性生物材料的策略组合是可取的,特别是那些引起较少副作用和促进愈合性能的材料。纳米技术与具有内在抗菌活性的物质的结合可以导致创新生物医学材料的进步。从这个意义上说,本研究的目的是总结从巴西橡胶树中获得的含有金属和金属氧化物纳米颗粒的天然胶乳材料。这些纳米颗粒具有独特的大小依赖的化学和物理特性,使它们适合用于制药和医疗设备,而天然胶乳是一种天然的生物相容性聚合物,具有固有的抗菌作用。此外,我们在这里概述了天然胶乳的来源、提取方法和组成,以及合成纳米颗粒的不同技术,包括物理、化学和生物方法。最后,我们首次总结了用于生物医学应用的具有金属和金属氧化物纳米颗粒的天然橡胶基材料的最新进展。
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