Green route synthesis of metallic nanoparticles using various herbal extracts: A review

Chaudhary, Jyoti; Tailor, Giriraj; Yadav, Megha; Mehta, Chesta

doi:10.1016/j.bcab.2023.102692

Cited by 15 publications

(8 citation statements)

References 60 publications

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“…Recently, researchers have sought to biosynthesize nanoparticles through plant matrices, due to their speed of attainment and stability. The phytochemical constituents present in plant extracts act as reducing agents, capable of absorbing metal ions for the delineation of metal nanoparticles, by employing “green” technologies, ensuring safe and sustainable production [21] . In another example, Kodhaiyolii and colleagues [22] developed bimetallic cobalt‐nickel nanoparticles from the aqueous extract of Boerhavia diffusa leaves, characterized with physicochemical assays that evidenced the stability provided by the protein and phenolic compounds present in the matrix of the plant species.…”

Section: Nanosystemsmentioning

confidence: 99%

Nanotechnology Formulations Designed with Herbal Extracts and Their Therapeutic Applications – A Review

Silva

Ferreira

Soares

2023

Chemistry & Biodiversity

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Because of the increasing demand for natural products, the development of nanoformulations containing natural active ingredients requires in‐depth knowledge of the substances used, methods of obtaining, and stability profiles to ensure product quality, efficacy, and safety. Considering this, the bibliography of the last five years presented in databases (PubMed and Science Direct) was discussed in this work, discussing the study with medicinal plants to obtain active metabolites with therapeutic properties, as well as the different nano‐systems responsible for carrying these molecules. Due to the wealth of biodiversity found in the world, many species are submitted to the extraction process for several purposes. However, identifying, classifying, and quantifying the constituents of herbal matrices are crucial steps to verify their therapeutic potential. In addition, knowing the techniques of production and elaboration of nanotechnology products allows the optimization of the incorporation of herbal extracts as an innovation target. For studies to be successful, it is necessary to exhaust experimental results that guarantee the efficacy, safety, and quality of natural nanosystems, with the objective of obtaining reliable answers in nanotechnology therapy.

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Section: Nanosystemsmentioning

confidence: 99%

Nanotechnology Formulations Designed with Herbal Extracts and Their Therapeutic Applications – A Review

Silva

Ferreira

Soares

2023

Chemistry & Biodiversity

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“…As a result, biosynthesis and other economical, environmentally friendly, biocompatible, and reliable approaches for producing nanoparticles have been developed. Scientists often use plant extracts as a reducing agent to create metal oxide nanoparticles [21][22][23][24][25]. These extracts are highly efficient, accessible, safe, and contain bioactive components [26].…”

Section: Introductionmentioning

confidence: 99%

“…Scientists often use plant extracts as a reducing agent to create metal oxide nanoparticles [21][22][23][24][25]. These extracts are highly efficient, accessible, safe, and contain bioactive components [26].…”

Section: Introductionmentioning

confidence: 99%

Methylene Blue Removal by Copper Oxide Nanoparticles Obtained from Green Synthesis of Melia azedarach: Kinetic and Isotherm Studies

Essa

2024

Chemistry

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In this study, Melia azedarach fruit extract was used as a reducing agent and copper chloride dihydrate (CuCl2·2H2O) was used as a precursor in the synthesis of copper oxide nanoparticles (CuO NPs). The UV–visible spectrum showed a characteristic absorption peak of CuO NPs at 350 nm. The surface properties of the adsorbent were analyzed through various techniques, indicating the successful formation of CuO NPs. The impacts of several factors, including initial pH (4 to 8), a dose of CuO NPs adsorbent (0.01–0.05 g), dye initial concentration (10–50 mg·L−1), and contact times ranging from 5 to 120 min, were examined in batch adsorption studies. Based on the experimental results, the Langmuir isotherm is well-fitted, indicating MB dye monolayer capping on the CuO NPs surface with 26.738 mg·g−1 as a maximum adsorption capacity Qm value. For the pseudo-second-order kinetic model, the experimental and calculated adsorption capacity values (qe) exhibited good agreement.

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“…The emerging field of nanotechnology research refers to the implementation of nanostructures or nanomaterials in the design, development, and application [ 2 ]. Nanomaterials refer to substances with a size of about one billionth of a meter and a length of approximately 100 nm [ 3 , 4 ]. These nanomaterials are classified as zero-dimensional, one-dimensional, two-dimensional, and three-dimensional nanomaterials [ 2 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Green Synthesis of Silver Nanoparticles Using Jasminum nudiflorum Flower Extract and Their Antifungal and Antioxidant Activity

Yang,

Guo,

Long

et al. 2023

Nanomaterials

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The synthesis of metal nanomaterials is a timely topic due to their widespread use in fields such as crop protection, the environment, medicine, and engineering. Green synthesis of nanoparticles, which uses plant extracts instead of industrial chemical agents to reduce metal ions, has been developed to decrease costs, reduce pollution, and improve environmental and human health safety. In this paper, silver nanoparticles (AgNPs) were synthesized from the flower extract of Jasminum nudiflorum. The green synthesized AgNPs were characterized by UV-Vis, FTIR, XRD, SEM, and other technologies. The antifungal activity of the prepared AgNPs against Alternaria longipes was tested using the plate method, the concentration dilution method, and other methods, and the antioxidant activity of the prepared AgNPs was evaluated by DPPH and hydroxyl free scavenging methods. The results showed that AgNPs synthesized from J. nudiflorum flower extract have a face-centered cubic structure (fcc), and the average grain size of the nanoparticles is 13 nm; they are also mainly spherical in shape. Additionally, the concentration of AgNPs (ranging from 16 to 128 μg/mL) significantly inhibited the mycelial growth of A. longipes in comparison to the control. The inhibitory rate gradually increased with increasing AgNP concentration, ranging from 70.64% to 79.60% at a concentration of 128 μg/mL. The minimum inhibitory concentration was observed at 32 μg/mL. AgNPs induced overaccumulation of MDA in A. longipes, resulting in cell membrane damage and nucleic acid leakage. Moreover, the AgNPs have significant antioxidant properties, which increase with increasing concentration. The clearance rate of DPPH was 25.46 ± 0.90% when the concentration of AgNPs was 8 μg/mL, and the clearance rate of the hydroxyl radical was 28.62 ± 0.59% when the concentration of AgNPs was 128 μg/mL. Thus, the flower extract from J. nudiflorum holds potential as an environmentally friendly and green alternative for the synthesis of AgNPs, which have antifungal and antioxidant potential.

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Green route synthesis of metallic nanoparticles using various herbal extracts: A review

Cited by 15 publications

References 60 publications

Nanotechnology Formulations Designed with Herbal Extracts and Their Therapeutic Applications – A Review

Nanotechnology Formulations Designed with Herbal Extracts and Their Therapeutic Applications – A Review

Methylene Blue Removal by Copper Oxide Nanoparticles Obtained from Green Synthesis of Melia azedarach: Kinetic and Isotherm Studies

Green Synthesis of Silver Nanoparticles Using Jasminum nudiflorum Flower Extract and Their Antifungal and Antioxidant Activity

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