Aqueous dispersions of ‘green’ silver nanoparticles for eco-applications: Synthesis, structure and biosafety DOI Creative Commons
S. М. Dybkova, Olena Goncharuk, Л. С. Рєзніченко

et al.

Journal of Molecular Liquids, Journal Year: 2024, Volume and Issue: unknown, P. 126319 - 126319

Published: Oct. 1, 2024

Language: Английский

Plant-mediated green synthesis of silver nanoparticles: Synthesis, characterization, biological applications, and toxicological considerations: A review DOI

Zarfishan Zulfiqar,

Rana Rashad Mahmood Khan, Muhammad Summer

et al.

Biocatalysis and Agricultural Biotechnology, Journal Year: 2024, Volume and Issue: 57, P. 103121 - 103121

Published: March 19, 2024

Language: Английский

Citations

67

Spotlight on therapeutic efficiency of green synthesis metals and their oxide nanoparticles in periodontitis DOI Creative Commons

Mohammad Kiarashi,

Parham Mahamed,

Nader Ghotbi

et al.

Journal of Nanobiotechnology, Journal Year: 2024, Volume and Issue: 22(1)

Published: Jan. 5, 2024

Abstract Periodontitis, one of the most prevalent dental diseases, causes loss bone and gum tissue that hold teeth in place. Several bacteria, commonly present clinically healthy oral cavities, may induce perpetuate periodontitis when their concentration rises gingival sulcus. Antibacterial effect against various Gram-negative Gram-positive including pathogenic drug-resistant ones, has been shown for several distinct transient metal oxide NPs. Therefore, NPs be used biomedicine to treat periodontal problems nanotechnology inhibit development microorganisms. Instead using harmful chemicals or energy-intensive machinery, biosynthesis nanoparticles (NPs) suggested. To produce NPs, ideal technique is “Green” synthesis because its low toxicity safety human health environment. Gold (AuNPs) appear less toxic mammalian cells than other nanometals antibacterial activity not dependent on reactive oxygen species (ROS). AgNPs also possess chemical stability, catalytic activity, superior electrical thermal conductivity, name a few advantageous characteristics. It was observed zinc (ZnO) copper (Cu) exhibited discernible inhibitory effects gram-positive gram-negative bacterial strains, respectively. ZnO demonstrated bactericidal microorganisms responsible periodontitis. Medications containing magnetic are highly effective multidrug-resistant fungal infections. The titanium dioxide (TiO 2 ) implicated elevating salivary peroxidase individuals diagnosed with chronic Furthermore, specific metallic have potential enhance antimicrobial efficacy treatments combined. these as well only some metals oxides synthesized environmentally friendly ways therapeutic benefits Graphical

Language: Английский

Citations

64

Silver Nanoparticles: A Comprehensive Review of Synthesis Methods and Chemical and Physical Properties DOI Creative Commons
Hatice Duman, Furkan Eker, Emir Akdaşçi

et al.

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(18), P. 1527 - 1527

Published: Sept. 20, 2024

Recently, silver nanoparticles (NPs) have attracted significant attention for being highly desirable nanomaterials in scientific studies as a result of their extraordinary characteristics. They are widely known effective antibacterial agents that capable targeting wide range pathogens. Their distinct optical characteristics, such localized surface plasmon resonance, enlarge utilization, particularly the fields biosensing and imaging. Also, capacity to control charge modify them using biocompatible substances offers improved durability specific interactions with biological systems. Due exceptional stability minimal chemical reactivity, NPs suitable diverse array applications. These produced through chemical, biological, physical processes, each which has advantages disadvantages. Chemical techniques often encounter issues complicated purification, reactive substances, excessive energy usage. However, eco-friendly approaches exist, even though they require longer processing times. A key factor affecting stability, size distribution, purity is synthesis process selected. This review focuses on how essential it choose appropriate method order optimize characteristics use NPs.

Language: Английский

Citations

37

Green synthesis of silver nanoparticles and its environmental sensor ability to some heavy metals DOI Creative Commons

Nesma H. Ibrahim,

G. M. Taha,

Noura Sh. A. Hagaggi

et al.

BMC Chemistry, Journal Year: 2024, Volume and Issue: 18(1)

Published: Jan. 6, 2024

Abstract This study marks a pioneering effort in utilizing Vachellia tortilis subsp. raddiana (Savi) Kyal. & Boatwr., (commonly known as acacia ) leaves both reducing and stabilizing agent the green “eco-friendly” synthesis of silver nanoparticles (AgNPs). The research aimed to optimize AgNPs process by investigating influence pH, temperature, extract volume, contact time on reaction rate resulting AgNPs' morphology well discuss potential detecting some heavy metals. Various characterization methods, such UV–vis spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), infrared spectroscopy (IR), Zeta sizer, EDAX, transmitting (TEM), were used thoroughly analyze properties synthesized AgNPs. XRD results verified successful production with crystallite size between 20 30 nm. SEM TEM analyses revealed that are primarily spherical rod-shaped, sizes ranging from 8 41 Significantly, was notably higher basic conditions (pH 10) at 70 °C. These underscore effectiveness source for sustainable synthesis. also examined ability detect various metal ions colorimetrically, including Hg 2+ , Cu Pb Co . UV–Vis proved useful this purpose. color shifts brownish-yellow pale yellow, colorless, red, reddish yellow when ions, respectively. change an alteration absorbance band, vanishing shifting 423 352 nm, 438 429 nm showed high sensitivity, detection limits 1.322 × 10 –5 M, 1.37 –7 1.63 1.34 –4 M highlights using eco-friendly their environmental sensors metals, showcasing strong capabilities colorimetric

Language: Английский

Citations

33

Effective degradation of dyes using silver nanoparticles synthesized from Thunbergia grandiflora leaf extract DOI Creative Commons

Thivaharan Varadavenkatesan,

Vasundra Nagendran,

Ramesh Vinayagam

et al.

Bioresource Technology Reports, Journal Year: 2024, Volume and Issue: 27, P. 101914 - 101914

Published: July 23, 2024

Motivated by the urgent need to address dye-related environmental pollution, this study explores green synthesis of silver nanoparticles (AgNPs) using Thunbergia grandiflora leaf extract for its simplicity, affordability, and eco-friendliness. UV–Vis spectroscopy reveals a distinctive signal at 441 nm, while Dynamic Light Scattering shows zeta potential charge −18.2 mV, indicating nanoparticle stability. The demonstrates catalytic activity AgNPs in degrading industrial dyes Acid Red 88 Methylene Blue, showcasing first-order kinetics with kinetic constants 0.18 min−1 0.14 min−1, respectively. Moreover, Scanning Electron Microscopic images reveal predominantly spherical nanostructures, X-ray diffractometry analysis portrays face-centered crystalline structure. These findings underscore synthesized from T. nanoremediation efforts, offering sustainable solution pressing challenge dye-contaminated wastewater, thereby contributing protection.

Language: Английский

Citations

25

Silver Nanoparticles: Synthesis, Structure, Properties and Applications DOI Creative Commons

Rimsha Abbas,

Jingjing Luo, Xue Qi

et al.

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(17), P. 1425 - 1425

Published: Aug. 31, 2024

Silver nanoparticles (Ag NPs) have accumulated significant interest due to their exceptional physicochemical properties and remarkable applications in biomedicine, electronics, catalysis sensing. This comprehensive review provides an in-depth study of synthetic approaches such as biological synthesis, chemical physical synthesis with a detailed overview sub-methodologies, highlighting advantages disadvantages. Additionally, structural affected by methods are discussed detail examining the dimensions surface morphology. The explores distinctive Ag NPs, including optical, electrical, catalytic, antimicrobial properties, which render them beneficial for range applications. Furthermore, this describes diverse several fields, medicine, environmental science, optoelectronics. However, numerous applications, kinds issues still exist. Future attempts need address difficulties regarding techniques, friendliness, affordability. In order ensure secure utilization it is necessary establish sustainability techniques eco-friendly production methods. aims give analysis, multifaceted NPs.

Language: Английский

Citations

23

Silver Nanoparticles (AgNPs): Comprehensive Insights into Bio/Synthesis, Key Influencing Factors, Multifaceted Applications, and Toxicity─A 2024 Update DOI Creative Commons

Abhinav Sati,

Tanvi N. Ranade,

Suraj N. Mali

et al.

ACS Omega, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

Silver nanoparticles (AgNPs) are widely recognized for their unique optical, electronic, and antibacterial properties, enabling use in biosensing, photonics, electronics, drug delivery, antimicrobial treatments. Green chemistry-based biological synthesis methods offer an eco-friendly alternative to traditional chemical techniques. Among metallic (NPs) metal oxides, those derived from plant extracts exhibit notable medicinal properties. Due exceptional stability low reactivity, AgNPs particularly well-suited various applications. can be synthesized through chemical, physical, or methods, each with distinct benefits challenges. Chemical physical approaches often involve complex purification, reactive reagents, high energy demands, while though slower, provide sustainable solutions. The chosen method strongly influences the stability, size, purity of resulting NPs. This review emphasizes importance selecting appropriate optimize characteristics functionality silver It consolidates research spanning past two decades, including most recent findings 2024. A comprehensive electronic search databases such as PubMed, Scopus, ScienceDirect, Cochrane, Google Scholar was conducted up-to-date overview advances applications nanoparticles.

Language: Английский

Citations

5

Syzygium aromaticum extract mediated, sustainable silver nanoparticle synergetic with heterocyclic antibiotic clarithromycin and their antimicrobial activities DOI Creative Commons
Zehra Edis, Samir Haj Bloukh, Akram Ashames

et al.

Frontiers in Chemistry, Journal Year: 2025, Volume and Issue: 12

Published: Jan. 15, 2025

Microorganisms are becoming resistant to drugs and antimicrobials, making it a significantly critical global issue. Nosocomial infections resulting in alarmingly increasing rates of morbidity mortality. Plant derived compounds hold numerous antimicrobial properties, them very capable source counteract microbial strains. Syzygium aromaticum (Clove) extract has been proven by studies contain active ingredients that demonstrate antibacterial, antifungal, antioxidant, insecticidal properties. It also used historically for its pain relief especially tooth ache. Clove nanoparticle synthesis is promising method combining therapeutics with metals at nanoscale. Such nanostructured systems combination the heterocyclic antibiotic clarithromycin could potentiate action plant extracts, decrease drug side effects improve activity. In this study, clove (C) was successfully synthesize silver nanoparticles (AgNP) create AgNPC AgNPCA (A = clarithromycin). The two underwent different analytical methods consisting SEM, EDS, DLS, UV-vis, FTIR XRD. These were against variety 10 pathogens exhibited good intermediate antibacterial resulted better properties smaller size. This study demonstrates potential mediated AgNP without clarithromycin.

Language: Английский

Citations

3

Aqueous Cymbopogon citratus Extract Mediated Silver Nanoparticles: Part I. Influence of Synthesis Parameters, Characterization, and Biomedical Studies DOI Creative Commons

Himabindu Kurra,

Aditya Velidandi, Mounika Sarvepalli

et al.

Nanomaterials, Journal Year: 2025, Volume and Issue: 15(5), P. 328 - 328

Published: Feb. 20, 2025

This study explores the green synthesis of silver nanoparticles (AgNPs) using Cymbopogon citratus (lemongrass) extract as a reducing agent. Synthesis was confirmed by color change (light yellow to dark brown) under optimal conditions: 1.50 mM nitrate, 3.5% v/v extract, at 100 °C, with pH 9, and for 60 min. The AgNPs exhibited spherical morphology, hydrodynamic diameter 135.41 ± 49.30 nm, zeta potential -29.9 1.4 mV, crystalline structure, minimal aggregation. showed significant antibacterial activity, particularly >20 µg/well, zones inhibition varying bacterial strain. In vitro studies demonstrated anti-inflammatory, antidiabetic (α-glucosidase α-amylase inhibition), antioxidant activities, outperforming plant nearing standard efficacy higher concentrations. Cyto-toxicity indicated that were less toxic than doxorubicin but concentration-dependent effects on cancerous non-cancerous cells. Eco-toxicity assays revealed acutely controls posed risks prolonged exposure. work highlights eco-friendly their in biomedical applications, demonstrating activities.

Language: Английский

Citations

2

Sustainable green synthesis of silver nanoparticles for safer biomedical application DOI
Mohammed Ali Dheyab, Azlan Abdul Aziz,

Shaymaa Hussein Nowfal

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 115998 - 115998

Published: Feb. 1, 2025

Language: Английский

Citations

2