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Related papers: Anti-bacterial Studies of Silver Nanoparticles

200 papers

Antibiotic resistance is a topical problem for both humans and animals and has been the subject of special monitoring for two decades. Several recent studies, including ours, have shown that this phenomenon is accentuated by the transfer of…

Biomolecules · Quantitative Biology 2021-08-16 Mbarga Manga Joseph Arsene

Electrostatic interaction is the driving force for the encapsulation by virus coat proteins of nanoparticles such as quantum dots, gold particles and magnetic beads for, e.g., imaging and therapeutic purposes. In recent experimental work,…

Biological Physics · Physics 2015-06-11 Hsiang-Ku Lin , Paul van der Schoot , Roya Zandi

Due to their antimicrobial properties, silver nanoparticles (AgNPs) are being used in non-edible and edible consumer products. It is not clear though if exposure to these chemicals can exert toxic effects on the host and gut microbiome.…

Programmable assembly of nanoparticles into structures other than hexagonal lattices remains challenging. Assembling an open checkerboard or square lattice is harder to achieve compared to a close-packed hexagonal structure. Here, we…

The present research explores the effects of Percentage Fe incorporation on the structure and antibacterial activity of Fe ZSM 5. Silica extracted from local rice husk straw (white particles) by applying NaOH and HCl solutions for…

Applied Physics · Physics 2022-02-15 Karam S. El-Nassera , T. A. Taha , Ibraheem O. Alia , Hossam Donya

The interparticle interactions in a magnetic nanocomposite play a dominant role in controlling the phase transitions superparamagnetic to superspinglass to superferromagnetic. These interactions can be tuned by controlling the size and…

Materials Science · Physics 2016-07-27 V. Thiruvengadam , Satish Vitta

The intricate interplay between complex permittivity and permeability constitutes the cornerstone of electromagnetic (EM) applications, enabling precise customization for various uses. This study employed silver-epoxy nano-composites to…

Applied Physics · Physics 2025-03-27 Bo-Wei Tseng , Tsun-Hsu Chang

Interactions between silver nanoparticles and (-)-epigallocatechin gallate (EGCG) have been investigated. Prior to the addition of EGCG molecules the silver particles are stabilized by borate ions. Studies on the surface plasmon resonance…

Biological Physics · Physics 2010-01-05 Goutam Kumar Chandra , Debi Ranjan Tripathy , Swagata Dasgupta , Anushree Roy

Here we develop a class off face centred cubic structure of metallic silver nanocrystals, to enable high ORR activity process. Silver nanoparticles deposited within different carbon supports: carboxylated-graphene, SiO2-doted reduced-…

A new and straightforward single-step route to decorate melamine foams with silver nanoparticles (ME/Ag) is proposed.

We realise an antibacterial nanomaterial based on the self-limited assembly of patchy plasmonic colloids, obtained by adsorption of lysozyme to gold nanoparticles. The possibility of selecting the size of the assemblies within several…

Bacterial biofilms can initiate chronic infections that become difficult to eradicate. There is an unmet need for effective therapeutic strategies that control and inhibit the growth of these biofilms. Herein, light sensitive mesoporous…

Tissues and Organs · Quantitative Biology 2021-10-18 Ana Garcia , Blanca Gonzalez , Catherine Harvey , Isabel Izquierdo-Barba , Maria Vallet-Regi

Temperature-controlled-growth of silver nanoclusters in soda glass matrix is investigated by low-frequency Raman scattering spectroscopy. Growth of the nanoclusters is ascribed to the diffusion-controlled precipitation of silver atoms due…

Materials Science · Physics 2009-11-10 P. Gangopadhyay , P. Magudapathy , R. Kesavamoorthy , B. K. Panigrahi , K. G. M. Nair , P. V. Satyam

pH of a solution is the ratio of H+/OH- ions. The relative ratio of these charges may affect forming bonds during a hydrothermal synthesis by influencing electronic clouds of participant ions, which can modify the structure and hence…

The conversion of heat into current can be obtained by a process with two stages. In the first one, the heat is used for distilling a solution and obtaining two flows with different concentrations. In the second stage, the two flows are…

Chemical Physics · Physics 2014-03-18 M. Marino , L. Misuri , A. Carati , D. Brogioli

Bacteria meticulously regulate their intracellular ion concentrations and create ionic concentration gradients across the bacterial membrane. These ionic concentration gradients provide free energy for many cellular processes and are…

Applied Physics · Physics 2022-07-05 Yichao Yang , Hagen Gress , Kamil L. Ekinci

In this paper, experiments on the deposition of silver nanoclusters are analysed numerically using improved DSMC method. These experiments were made in the Institute of Thermophysics SB RAS recent years, in the context of the development of…

Other Condensed Matter · Physics 2012-01-19 Roman V. Maltsev

Silver staining is used to detect proteins after electrophoretic separation on polyacrylamide gels. It -combines excellent sensitivity (in the low nanogram range) with the use of very simple and cheap equipment and chemicals. For its use in…

Genomics · Quantitative Biology 2012-06-15 Thierry Rabilloud

Silver staining is used to detect proteins after electrophoretic separation on polyacrylamide gels. It combines excellent sensitivity (in the low nanogram range) with the use of very simple and cheap equipment and chemicals. It is…

Genomics · Quantitative Biology 2007-07-02 Mireille Chevallet , Sylvie Luche , Thierry Rabilloud

We demonstrate that it is possible to distinguish two conductance switching mechanisms in silver sulfide devices at room temperature. Experiments were performed using a Ag$_2$S thin film deposited on a wide Ag bottom electrode, which was…

Mesoscale and Nanoscale Physics · Physics 2017-12-11 J. J. T. Wagenaar , M. Morales-Masis , J. M. van Ruitenbeek