Review on green nano-biosynthesis of silver nanoparticles and their biological activities: with an emphasis on medicinal plants

Moradi, Fatemeh; Sedaghat, Sajjad; Moradi, Omid; Arab‐Salmanabadi, Samira

doi:10.1080/24701556.2020.1769662

Cited by 76 publications

(36 citation statements)

References 133 publications

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“…Due to the presence of numerous metabolites (phenols, ketones, proteins, aldehydes, amides, carboxylic acids), plants have the ability to reduce and stabilize nanoparticles. In the biosynthesis of AgNPs, almost every plant part, i.e., leaves, seeds, roots and flowers, has been used for the mining of active ingredients [ 10 ]. From close observations in recent studies on the biosynthesis of AgNPs, it can be inferred that interest is shifting significantly towards the exploitaion of medicinal flora for nanoparticle synthesis.…”

Section: Green Synthesis Of Agnpsmentioning

confidence: 99%

“…Various kinds of natural compounds with proven actions against bacteria, microbes, cancerous cells and neurodegenerative disorders have been extracted from medicinal plants. Thus, the incorporation of medicinal plants into biosynthesis development could move beyond simply a green chemistry approach, enhancing the biological properties of nanoparticles [ 10 ]. In this regard, several studies have reported on the synthesis of AgNPs from medicinal plants for various applications.…”

Section: Green Synthesis Of Agnpsmentioning

confidence: 99%

“…Green synthesis of AgNPs is simpler and easier, with minimal use of high-cost and potentially hazardous chemicals. Various types of bio-sources, such as bacteria, algae, fungi and plants, can be exploited, with their own numerous advantages and disadvantages for the green synthesis of AgNPs [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

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Silver Nanoparticles Biosynthesis, Characterization, Antimicrobial Activities, Applications, Cytotoxicity and Safety Issues: An Updated Review

et al. 2021

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Rapid advances in nanotechnology have led to its emergence as a tool for the development of green synthesized noble metal nanoparticles, especially silver nanoparticles (AgNPs), for applications in diverse fields such as human health, the environment and industry. The importance of AgNPs is because of their unique physicochemical and antimicrobial properties, with a myriad of activities that are applicable in various fields, including the pharmaceutical industry. Countries with high biodiversity require the collection and transformation of information about biological assets into processes, associations, methods and tools that must be combined with the sustainable utilization of biological diversity. Therefore, this review paper discusses the applicable studies of the biosynthesis of AgNPs and their antimicrobial activities towards microorganisms in different areas viz. medicine and agriculture. The confirmed antiviral properties of AgNPs promote their applicability for SARS-CoV-2 treatment, based on assimilating the virus’ activities with those of similar viruses via in vivo studies. In this review, an insight into the cytotoxicity and safety issues of AgNPs, along with their future prospects, is also provided.

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Section: Green Synthesis Of Agnpsmentioning

confidence: 99%

Section: Green Synthesis Of Agnpsmentioning

confidence: 99%

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Silver Nanoparticles Biosynthesis, Characterization, Antimicrobial Activities, Applications, Cytotoxicity and Safety Issues: An Updated Review

et al. 2021

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“…All of these bioactive molecules can cause a reduction of Au 3+ in the process of biosynthesis of nanoparticles. The extraction of most plant parts, including leaves, flowers, undergrounds (root), and seeds, can act as regenerative agents [ 36 ]. Since ancient times, medicinal plants in the Middle East countries have been widely used [ 37 ].…”

Section: Introductionmentioning

confidence: 99%

Environmentally Safe Biosynthesis of Gold Nanoparticles Using Plant Water Extracts

et al. 2021

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Due to their simplicity of synthesis, stability, and functionalization, low toxicity, and ease of detection, gold nanoparticles (AuNPs) are a natural choice for biomedical applications. AuNPs’ unique optoelectronic features have subsequently been investigated and used in high-tech applications such as organic photovoltaics, sensory probes, therapeutic agents, the administration of drugs in biological and medical applications, electronic devices, catalysis, etc. Researchers have demonstrated the biosynthesis of AuNPs using plants. The present study evaluates 109 plant species used in the traditional medicine of Middle East countries as new sources of AuNPs in a wide variety of laboratory environments. In this study, dried samples of bark, bulb, flower, fruit, gum, leaf, petiole, rhizome, root, seed, stamen, and above-ground parts were evaluated in water extracts. About 117 plant parts were screened from 109 species in 54 plant families, with 102 extracts demonstrating a bioreduction of Au3+ to Au0, revealing 37 new plant species in this regard. The color change of biosynthesized AuNPs to gray, violet, or red was confirmed by UV-Visible spectroscopy, TEM, FSEM, DLS, and EDAX of six plants. In this study, AuNPs of various sizes were measured from 27 to 107 nm. This study also includes an evaluation of the potency of traditional East Asian medicinal plants used in this biosynthesis of AuNPs. An environmentally safe procedure such as this could act as a foundation for cosmetic industries whose quality assessment systems give a high priority to non-chemically synthesized products. It is crucial that future optimizations are adequately documented to scale up the described process.

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“…Globally in 2010, it is estimated that 260,000–309,000 metric tons of nanoparticles were produced [ 5 ], and worldwide consumption of nanomaterials was approximately 225,060–585,000 metric tons in 2014 to 2019 [ 6 ]. In nanomaterial science, green synthesis of nanomaterials has gained extensive attention as a sustainable, reliable, and eco-friendly protocol [ 7 , 8 ]. Plant extract can be used for synthesis of AgNPs.…”

Section: Introductionmentioning

confidence: 99%

Antibacterial and Antifungal Studies of Biosynthesized Silver Nanoparticles against Plant Parasitic Nematode Meloidogyne incognita, Plant Pathogens Ralstonia solanacearum and Fusarium oxysporum

Khan

Bogdanchikova

et al. 2021

Molecules

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The possibility of using silver nanoparticles (AgNPs) to enhance the plants growth, crop production, and control of plant diseases is currently being researched. One of the most effective approaches for the production of AgNPs is green synthesis. Herein, we report a green and phytogenic synthesis of AgNPs by using aqueous extract of strawberry waste (solid waste after fruit juice extraction) as a novel bioresource, which is a non-hazardous and inexpensive that can act as a reducing, capping, and stabilizing agent. Successful biosynthesis of AgNPs was monitored by UV-visible spectroscopy showing a surface plasmon resonance (SPR) peak at ~415 nm. The X-ray diffraction studies confirm the face-centered cubic crystalline AgNPs. The scanning electron microscopy (SEM) and transmission electron microscopy (TEM) techniques confirm the rectangular shape with an average size of ~55 nm. The antibacterial and antifungal efficacy and inhibitory impact of the biosynthesized AgNPs were tested against nematode, Meloidogyne incognita, plant pathogenic bacterium, Ralstonia solanacearum and fungus, Fusarium oxysporum. These results confirm that biosynthesized AgNPs can significantly control these plant pathogens.

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Review on green nano-biosynthesis of silver nanoparticles and their biological activities: with an emphasis on medicinal plants

Cited by 76 publications

References 133 publications

Silver Nanoparticles Biosynthesis, Characterization, Antimicrobial Activities, Applications, Cytotoxicity and Safety Issues: An Updated Review

Silver Nanoparticles Biosynthesis, Characterization, Antimicrobial Activities, Applications, Cytotoxicity and Safety Issues: An Updated Review

Environmentally Safe Biosynthesis of Gold Nanoparticles Using Plant Water Extracts

Antibacterial and Antifungal Studies of Biosynthesized Silver Nanoparticles against Plant Parasitic Nematode Meloidogyne incognita, Plant Pathogens Ralstonia solanacearum and Fusarium oxysporum

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