The effect of Clitoria ternatea L. flowers-derived silver nanoparticles on A549 and L-132 human cell lines and their antibacterial efficacy in Caenorhabditis elegans in vivo

Hybrid Advances, Journal Year: 2024, Volume and Issue: unknown, P. 100359 - 100359

Published: Dec. 1, 2024

Language: Английский

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Nanoparticle Properties and Characterization

Published: Jan. 1, 2024

Nanoparticles are a fascinating and versatile class of materials that have gained immense significance in various scientific technological fields due to their unique properties characteristics. In this chapter, we will delve into the profound impact nanoparticle size on how these attributes affect behaviour utility wide range applications associated environmental implications. One most striking features nanoparticles is size-dependent properties. As decreases, its physical chemical characteristics can change dramatically. Understanding manipulating optical led like nanophotonics sensors even medical diagnostics. This chapter discusses magnetic crucial applications, particularly data storage biomedical imaging. Superparamagnetism, for instance, phenomenon observed at specific range. It characterised by particles transitioning between states response external fields. exploited resonance imaging (MRI) contrast agents development high-density storage. Besides properties, high surface area chemistry were also explained. Due small size, possess an incredibly per unit volume, which makes them highly reactive. The intricate interplay reactivity paramount importance. allows adsorb or react with larger number surrounding molecules. feature significant catalysis, where act as catalysts, often outperforming bulk counterparts. For example, platinum widely used catalytic converters automobiles, significantly improving efficiency pollutant conversion. activity be finely tuned controlling chemistry, making essential processes. combination stemming from has paved way innovations advancements numerous domains. substantial contributions diverse science, medicine, energy storage, more. sheds light catalyst role perform myriad reactions, thus paving across

Language: Английский

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A polyaniline-coated Ni–Co Prussian blue analogue nanocube-modified separator for high-performance lithium–sulfur batteries

New Journal of Chemistry, Journal Year: 2024, Volume and Issue: 48(12), P. 5289 - 5299

Published: Jan. 1, 2024

A PANi-coated Ni–Co-based Prussian blue analogue (NCP@PANi) was synthesized through a simple coprecipitation and in situ oxidation polymerization method. The NCP@PANi-modified separators can inhibit the polysulfide shuttling effectively.

Language: Английский

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Syntheses of diphenolic resin based anti-corrosion coating material and reinforce its performance through MWCNT-Ag and MWCNT-Ag/PANI nanofillers

Surface and Coatings Technology, Journal Year: 2024, Volume and Issue: 485, P. 130871 - 130871

Published: May 3, 2024

Language: Английский

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Green synthesis, optimization and analyzing of silver nanoparticles encapsulated with Syzygium aromaticum extract: Evaluating antibacterial and photocatalytic properties

Bioresource Technology Reports, Journal Year: 2023, Volume and Issue: 24, P. 101669 - 101669

Published: Oct. 23, 2023

Language: Английский

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Flow synthesis of silver nanoparticles using water in supercritical CO2 emulsion

Journal of CO2 Utilization, Journal Year: 2024, Volume and Issue: 83, P. 102776 - 102776

Published: April 24, 2024

Rapid and continuous synthesis of metal nanoparticles using green solvent system is still a serious challenge for both fundamental practical research. In this work, we report new flow process water in supercritical CO2 (w/scCO2) emulsion applied it to the silver (AgNPs). To investigate performance our system, AgNPs were synthesized by batch, w/scCO2 at 40 ºC while AgNO3, NaBH(OAc)3, trisodium citrate Aerosol-OT as precursor, reducer, stabilizer emulsifier. As result, demonstrated that droplets significantly contribute rise size controllability productivity (product yield). Additionally, allowed control mean from 4.0 36.6 nm yield 25% 65% changing pressure concentration. Furthermore, successfully gave citrate-modified surface with high zeta potential –54 mV transparent dispersion unimodal distribution, showing promising allow various applications.

Language: Английский

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Biosynthesis of silver nanoparticles from macroalgae Hormophysa triquetra and investigation of its antibacterial activity and mechanism against pathogenic bacteria

Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)

Published: Jan. 20, 2025

In this study, brown macroalgae Hormophysta triquetra (HT) collected from the Qatari coast is used to biosynthesize silver nanoparticles (AgNPs) its aqueous (AQ), chloroform: methanol (MCF), and ethanolic extracts (ET). The NPs are characterized using Transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), Gas chromatography/Mass spectrometry (GC/MS) photoelectron (XPS). were evaluated for their antibacterial activities by disc-diffusion method minimum inhibitory concentrations (MIC) assessed. synthesized through biological process exhibited significant efficacy against Escherichia coli, Bacillus subtilis, Staphylococcus aureus, Pseudomonas stutzeri, fragi all three NPs. AQ-AgNP ET-AgNP showed higher zones of inhibition P. with 22.5 mm 25 respectively. On other hand, MCF-AgNP a zone E. coli an 23.5 mm. inhibited growth bacterial strains deforming structure forming pits. results revealed that HT could be as potential candidate produce AgNPs have efficient both types bacteria i.e., Gram-positive (B. subtilis S. aureus) Gram-negative (E. fragi).

Language: Английский

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Bio-functionalization of Chitosan@Ag nanoparticles using Terminalia arjuna and their antioxidant, antibacterial and cytotoxic activity

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: 301, P. 140507 - 140507

Published: Jan. 29, 2025

Language: Английский

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Synthesis of Ag-decorated SrTiO3-based nanocomposites via solvothermal method using Uncaria gambir Roxb. leaf extract as a bioreductor with enhanced electrical conductivity

Nano-Structures & Nano-Objects, Journal Year: 2025, Volume and Issue: 41, P. 101447 - 101447

Published: Feb. 1, 2025

Language: Английский

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Anticancer, antioxidant and antibacterial potential of L-Glutaminase (Streptomyces roseolus strain ZKB1) capped silver and zinc oxide nanoparticles and its molecular characterization

Bioresources and Bioprocessing, Journal Year: 2025, Volume and Issue: 12(1)

Published: March 23, 2025

Abstract The current investigation reports anti-cancer, antioxidant and antibacterial potential of L-Glutaminase ( Streptomyces roseolus strain ZKB1) capped nanoparticles. highest production 9.57 U/mL was achieved on the 4th day fermentation when L-Glutamine used as sole carbon nitrogen source. Enhanced recycling stability observed after 6 cycles using immobilized in 3% agar agarose matrices. Free L- Glutaminase showed K m 13.89 ± 0.8 7.13 0.3 mM V max 18.40 1.5 24.21 1.7 U/mg respectively. silver (AgNP) zinc oxide (ZnONP) nanoparticles were synthesized structurally characterized UV visible spectroscopy, FTIR, SEM–EDS, XRD AFM. AgNP ZnONP exhibited good thermal with five three stages weight loss pattern respectively based TGA. inhibitory activity against B. subtilis (45 $$\pm$$ ± 0.5 mm) E. coli (33 whereas, demonstrated inhibition (30 cereus (25 mm). Increased concentration increased compared to wild lowest MIC 0.09 µg/mL . significant properties through in-vitro ABTS DPPH radical scavenging assays a dosage-dependent manner. ZnONP, pronounced cell cytotoxicity MCF-7 cancerous line 57.17 µg/mL, 8.13 28.31 IC 50 values respectively, suggesting promising anticancer agents enzyme-based therapy. results reveal biological activities applications healthcare sector. Graphical

Language: Английский

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