Silver micro- and nano-particles obtained using different glycols as reducing agents and measurement of their conductivity

Moudir, N.; Moulai‐Mostefa, Nadji; Boukennous, Y.

doi:10.2298/ciceq150106036m

Cited by 7 publications

(6 citation statements)

References 34 publications

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“…This route follows the influence of different temperatures (200–260 °C) and reaction time on the silver nanoparticles formation, more precisely shapes, sizes, and consequently the antimicrobial activity. The polyethylene glycol 400 (PEG), with polyvinylpyrrolidone (PVP) are used both as a stabilizing agent [ 50 , 51 , 52 , 53 ].…”

Section: Introductionmentioning

confidence: 99%

Comparative Antimicrobial Activity of Silver Nanoparticles Obtained by Wet Chemical Reduction and Solvothermal Methods

Marinescu

Ficai

et al. 2022

IJMS

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The synthesis of nanoparticles from noble metals has received high attention from researchers due to their unique properties and their wide range of applications. Silver nanoparticles (AgNPs), in particular, show a remarkable inhibitory effect against microorganisms and viruses. Various methods have been developed to obtain AgNPs, however the stability of such nanostructures over time is still challenging. Researchers attempt to obtain particular shapes and sizes in order to tailor AgNPs properties for specific areas, such as biochemistry, biology, agriculture, electronics, medicine, and industry. The aim of this study was to design AgNPs with improved antimicrobial characteristics and stability. Two different wet chemical routes were considered: synthesis being performed (i) reduction method at room temperatures and (ii) solvothermal method at high temperature. Here, we show that the antimicrobial properties of the obtained AgNPs, are influenced by their synthesis route, which impact on the size and shape of the structures. This work analyses and compares the antimicrobial properties of the obtained AgNPs, based on their structure, sizes and morphologies which are influenced, in turn, not only by the type or quantities of precursors used but also by the temperature of the reaction. Generally, AgNPs obtained by solvothermal, at raised temperature, registered better antimicrobial activity as compared to NPs obtained by reduction method at room temperature.

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Section: Introductionmentioning

confidence: 99%

Comparative Antimicrobial Activity of Silver Nanoparticles Obtained by Wet Chemical Reduction and Solvothermal Methods

Marinescu

Ficai

et al. 2022

IJMS

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“…Polyol synthesis is an excellent method for the production of metallic nanoparticles. Based on this method, a lot of silver nanoparticles with different shapes and sizes have been obtained by variation of reaction condition [80]. Using polyol method with a certain EG or PEG/PVP ratio, controlling the pH by adding ammonia could lead a good size control and well dispersed of Ag nanoparticles.…”

Section: Journal Of Nanomaterialsmentioning

confidence: 99%

Optimized Synthesis Approaches of Metal Nanoparticles with Antimicrobial Applications

Marinescu

Ficai

Oprea

et al. 2020

Journal of Nanomaterials

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According to the literature data, metal nanoparticles can be synthesized by various methods but the chemical reduction methods are mostly applied getting more advantageous comparing with the other methods. This work emphasizes also that the combination of synthetized methods could lead to the spectacular results depending on the application. Among the chemical methods, this work analyzed the polyol method, radiolytic process, microemulsion method, solvo-thermal method, microwave-assisted synthesis, and electrochemical synthesis. It also presents the main application of metal nanoparticles in biomedical fields, empathizing on their antimicrobial potential.

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“…Silver nanoparticles were rarely synthesized using propane-1,2-diol or propylene glycol (PG) [7]. The material is composed of propane, which contains hydroxyl group at position 1 and 2.…”

Section: Introductionmentioning

confidence: 99%

A Simple Synthesis of Silver Nanoparticles on Cellulose Paper for Antimicrobial Applications

Handayani¹,

Listyarini

Yasman

et al. 2020

MSF

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Silver nanoparticles are well known for their antimicrobial properties and have been widely used in medical and industrial applications to prevent the growth of microorganisms. The effectiveness of silver nanoparticles (AgNPs) as an antimicrobial material is influenced by their shape and size; the smaller the size, the more active the AgNPs. To prevent aggregation, the nanoparticles can be maintained by stabilizing agents. This study aims to synthesize silver nanoparticles in situ using cellulose paper and to evaluate their antimicrobial activity. For reduction of Ag+ ions were used propane-1,2-diol. The reduction was carried out at 60, 80, and 100o C to accelerate the reaction. The formation of silver nanoparticles can be seen from the change in paper color from white to yellow or brown. This result is confirmed by the occurrence of the absorption peak in the UV-Vis spectrum between 300-500 nm. The TEM image shows the size distribution of silver nanoparticles affected by their reduction temperature. Antimicrobial tests provide a clear zone from the bottom of the paper to the edge. The reaction temperature at 60o C showed the best antimicrobial activity with AgNPs averaging at 6 nm. This method can be applied to antimicrobial paper preparation with controlled size and distribution.

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Silver micro- and nano-particles obtained using different glycols as reducing agents and measurement of their conductivity

Cited by 7 publications

References 34 publications

Comparative Antimicrobial Activity of Silver Nanoparticles Obtained by Wet Chemical Reduction and Solvothermal Methods

Comparative Antimicrobial Activity of Silver Nanoparticles Obtained by Wet Chemical Reduction and Solvothermal Methods

Optimized Synthesis Approaches of Metal Nanoparticles with Antimicrobial Applications

A Simple Synthesis of Silver Nanoparticles on Cellulose Paper for Antimicrobial Applications

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