A Review on Different Plants Extract Mediated Silver Nanoparticles: Preparation, Antimicrobials, and Antioxidant

Document Type : Review Articles

Authors

1 Egyptian Petroleum Research Institute

2 Botany Department- Faculty of Women for Arts, Science and Education Ain Shams University

3 National Institute of Laser Enhanced Sciences

4 National Research Centre

Abstract

Silver nanoparticles have shown success in many applications, especially in the field of biochemistry, by controlling the shape and size of these nanoparticles, which had a significant impact on the diversity of their antimicrobial properties. Many different shapes and sizes of silver nanoparticles can be prepared by various techniques, the most important of which is the use of capping agents, where the role of capping agents is not limited to controlling both sizes and shape only but extends to the stability of nanoparticles nanostructures. In addition, the type of capping agent has an influential role in the surface efficiency of the formed silver nanoparticles. However, multiple concerns have been raised regarding the environmental safety and human health impacts of the use of chemically manufactured capping agents. This review included the manufacture of silver nanoparticles using aqueous extract of some plants, flowers, or fruits, and their applicability and activity in various fields such as antioxidants and antibacterials were examined. Also, some of the most common and popular chemical and physical methodologies are initially described, and the advantages and disadvantages of using these methods to prepare silver nanoparticles are considered. Green synthesis methodologies have been discussed in detail with emphasis on their benefits and applications. Much of the recent literature related to the use of plant extracts have been addressed, and the effects of basic reaction parameters, such as temperature, pH, precursor, and extract concentration, on silver nanostructure size and morphology have been reported. Moreover, current challenges related to the green synthesis of silver nanostructures and future directions have been identified. In summary, the review aims to demonstrate the true potential of green nanotechnology towards the synthesis of silver nanostructures in various morphology and the possibility of moving away from current chemical techniques towards more environmentally friendly, less hazardous, simpler, and high efficient material as antimicrobial activity and Anti-oxidant.

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History

  • Receive Date: 06 October 2021
  • Revise Date: 08 November 2021
  • Accept Date: 15 November 2021

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