"Green' synthesis of metals and their oxide nanoparticles: applications for environmental remediationopen access
- Authors
- Singh, Jagpreet; Dutta, Tanushree; Kim, Ki-Hyun; Rawat, Mohit; Samddar, Pallabi; Kumar, Pawan
- Issue Date
- Oct-2018
- Publisher
- BMC
- Keywords
- Green synthesis; Metals; Metal oxide nanoparticles; Natural extracts
- Citation
- JOURNAL OF NANOBIOTECHNOLOGY, v.16, pp.1 - 24
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF NANOBIOTECHNOLOGY
- Volume
- 16
- Start Page
- 1
- End Page
- 24
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/3036
- DOI
- 10.1186/s12951-018-0408-4
- ISSN
- 1477-3155
- Abstract
- In materials science, green synthesis has gained extensive attention as a reliable, sustainable, and eco-friendly protocol for synthesizing a wide range of materials/nanomaterials including metal/metal oxides nanomaterials, hybrid materials, and bioinspired materials. As such, green synthesis is regarded as an important tool to reduce the destructive effects associated with the traditional methods of synthesis for nanoparticles commonly utilized in laboratory and industry. In this review, we summarized the fundamental processes and mechanisms of green synthesis approaches, especially for metal and metal oxide [e.g., gold (Au), silver (Ag), copper oxide (CuO), and zinc oxide (ZnO)] nanoparticles using natural extracts. Importantly, we explored the role of biological components, essential phytochemicals (e.g., flavonoids, alkaloids, terpenoids, amides, and aldehydes) as reducing agents and solvent systems. The stability/toxicity of nanoparticles and the associated surface engineering techniques for achieving biocompatibility are also discussed. Finally, we covered applications of such synthesized products to environmental remediation in terms of antimicrobial activity, catalytic activity, removal of pollutants dyes, and heavy metal ion sensing.
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