4.7 Review

Green Metallic Nanoparticles: Biosynthesis to Applications

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Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fbioe.2022.874742

Keywords

nanoparticle; green nanotechnology; preparation; synthesis; application

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Advancements in nanotechnology have led to the development of new nanomaterials, but they also bring potential health and environmental risks. Researchers are working to optimize eco-friendly procedures for creating metal and metal oxide nanoparticles. Using biomaterials for nanoparticle preparation is a beneficial approach in green nanotechnology. However, there are unresolved issues that require further research and understanding.
Current advancements in nanotechnology and nanoscience have resulted in new nanomaterials, which may pose health and environmental risks. Furthermore, several researchers are working to optimize ecologically friendly procedures for creating metal and metal oxide nanoparticles. The primary goal is to decrease the adverse effects of synthetic processes, their accompanying chemicals, and the resulting complexes. Utilizing various biomaterials for nanoparticle preparation is a beneficial approach in green nanotechnology. Furthermore, using the biological qualities of nature through a variety of activities is an excellent way to achieve this goal. Algae, plants, bacteria, and fungus have been employed to make energy-efficient, low-cost, and nontoxic metallic nanoparticles in the last few decades. Despite the environmental advantages of using green chemistry-based biological synthesis over traditional methods as discussed in this article, there are some unresolved issues such as particle size and shape consistency, reproducibility of the synthesis process, and understanding of the mechanisms involved in producing metallic nanoparticles via biological entities. Consequently, there is a need for further research to analyze and comprehend the real biological synthesis-dependent processes. This is currently an untapped hot research topic that required more investment to properly leverage the green manufacturing of metallic nanoparticles through living entities. The review covers such green methods of synthesizing nanoparticles and their utilization in the scientific world.

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