Biosynthesized Metal Nanoparticles in Bioremediation

Jeevanandam, Jaison; Hii, Yiik Siang; Chan, Yen San

doi:10.1201/9780367821593-7

Cited by 6 publications

(2 citation statements)

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“…In general, electrons transfer through a redox reaction, protons by hydrolysis, and cations and anions precipitate by dissolution and precipitation [240]. However, in the function of the external and surrounding physical-chemical conditions, other specific mechanisms also may implicated, such as gas-solid nucleation in the atmosphere, physical fragmentation, biomineralization, biochemical weathering of minerals, and photo-oxidation [269].…”

Section: Life Cycle Of the Nanomaterials And Environmental Risksmentioning

confidence: 99%

Review on Natural, Incidental, Bioinspired, and Engineered Nanomaterials: History, Definitions, Classifications, Synthesis, Properties, Market, Toxicities, Risks, and Regulations

et al. 2022

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Nanomaterials are becoming important materials in several fields and industries thanks to their very reduced size and shape-related features. Scientists think that nanoparticles and nanostructured materials originated during the Big Bang process from meteorites leading to the formation of the universe and Earth. Since 1990, the term nanotechnology became very popular due to advances in imaging technologies that paved the way to specific industrial applications. Currently, nanoparticles and nanostructured materials are synthesized on a large scale and are indispensable for many industries. This fact fosters and supports research in biochemistry, biophysics, and biochemical engineering applications. Recently, nanotechnology has been combined with other sciences to fabricate new forms of nanomaterials that could be used, for instance, for diagnostic tools, drug delivery systems, energy generation/storage, environmental remediation as well as agriculture and food processing. In contrast with traditional materials, specific features can be integrated into nanoparticles, nanostructures, and nanosystems by simply modifying their scale, shape, and composition. This article first summarizes the history of nanomaterials and nanotechnology. Followed by the progress that led to improved synthesis processes to produce different nanoparticles and nanostructures characterized by specific features. The content finally presents various origins and sources of nanomaterials, synthesis strategies, their toxicity, risks, regulations, and self-aggregation.

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Section: Life Cycle Of the Nanomaterials And Environmental Risksmentioning

confidence: 99%

Review on Natural, Incidental, Bioinspired, and Engineered Nanomaterials: History, Definitions, Classifications, Synthesis, Properties, Market, Toxicities, Risks, and Regulations

et al. 2022

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“…It serves as a driving force in the photosynthetic process. Furthermore, it shows that the production of nanoparticles involves a robust interaction with phytoconstituents found in algae and plants [111]. Magnesium oxide nanoparticles (MgONPs), which have great antibacterial capabilities, are a very safe and acceptable alternative, according to the FDA.…”

Section: Magnesium Oxide Nanoparticles (Mgonps)mentioning

confidence: 99%

Advances in Green Synthesis of Metal Oxide Nanoparticles by Marine Algae for Wastewater Treatment by Adsorption and Photocatalysis Techniques

et al. 2023

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The use of algae-based green synthesis of metal oxide nanoparticles (MONPs) for bioremediation is an environmentally friendly and cost-effective alternative to conventional approaches. Algal-mediated synthesis offers several benefits over other biogenic processes, such as plants, bacteria, and fungi, including ease of synthesis, scalability, and rapid synthesis. Algae are readily available in nature, nontoxic, and can produce various types of metal oxide nanoparticles. This approach could significantly accelerate the development of novel algae-nanomaterials with improved properties and performance, leading to more efficient and cost-effective bioremediation of pollutants from water solutions, seawater, and industrial effluent. This review focuses on the biogenic fabrication of metal oxide nanoparticles based on aquatic plants (microalgae and seaweeds) due to their many advantages and attractive applications in pollutant remediation from aqueous solutions. Additionally, photocatalysis is highlighted as a promising tool for the remediation of industrial effluents due to its efficacy, ease of use, quick oxidation, cost-effectiveness, and reduced synthesis of harmful byproducts.

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