Results 31 to 40 of about 250,326 (305)

Green synthesis of silver nanoparticles using aqueous extract of Acacia cyanophylla and its antibacterial activity

Heliyon, 2021
Aims: The aim of this research is to conduct green synthesis of silver nanoparticles in an eco-friendly, economical and more effective approach using Acacia cyanophylla plant extract as well as to study the effects of the preparation conditions on the ...
Joud Jalab, Wassim Abdelwahed, Adawia Kitaz, Rawaa Al-Kayali   +3 more
doaj   +1 more source

Antibacterial performance of Ag nanoparticles and AgGO nanocomposites prepared via rapid microwave-assisted synthesis method [PDF]

, 2012
Silver nanoparticles and silver-graphene oxide nanocomposites were fabricated using a rapid and green microwave irradiation synthesis method. Silver nanoparticles with narrow size distribution were formed under microwave irradiation for both samples. The
Chin Chia, Hong Lim, Hui Neoh, Kah Chee, Mohd Ayob, Nay Huang, RahaMohdFadhilRajaAbdul Rahman, Rahman Jamal, Sarani Zakaria, Soon Chook   +9 more
core   +2 more sources

The effect of Lactobacillus casei and Bacillus coagulans probiotics on liver damage induced by silver nanoparticles and expression of Bax, Bcl2 and Caspase 3 genes in male rats

European Journal of Translational Myology, 2022
In this study, we aimed to evaluate the effect of Bacillus coagulans and Lactobacillus casei probiotics on liver damage induced by silver nanoparticles and expression of Bax, Bcl2 and Caspase 3 genes in rats.
Reyhaneh Oliaei, Zahra Keshtmand, Ronak Shabani   +2 more
doaj   +1 more source

Far-Field Plasmonic Resonance Enhanced Nano-Particle Image Velocimetry within a Micro Channel

, 2010
In this paper, a novel far-field plasmonic resonance enhanced nanoparticle-seeded Particle Image Velocimetry (nPIV) has been demonstrated to measure the velocity profile in a micro channel.
Bruun H. H., Maier S. A., Mingjun Zhang, Quanshui Li, Raffel M., Sara S. Haque, Zhili Zhang   +6 more
core   +1 more source

Ultrastructural changes in methicillin-resistant Staphylococcus aureus induced by positively charged silver nanoparticles

Beilstein Journal of Nanotechnology, 2015
Silver nanoparticles offer a possible means of fighting antibacterial resistance. Most of their antibacterial properties are attributed to their silver ions.
Dulce G. Romero-Urbina, Humberto H. Lara, J. Jesús Velázquez-Salazar, M. Josefina Arellano-Jiménez, Eduardo Larios, Anand Srinivasan, Jose L. Lopez-Ribot, Miguel José Yacamán   +7 more
doaj   +1 more source

Optical determination and identification of organic shells around nanoparticles: application to silver nanoparticles

, 2013
We present a simple method to prove the presence of an organic shell around silver nanoparticles. This method is based on the comparison between optical extinction measurements of isolated nanoparticles and Mie calculations predicting the expected ...
Abdellaoui, N., Adam, P. -M., Bijeon, J. -L., Bourezzou, M., Chaumont, D., Gwiazda, A., Maurer, T., Vial, A.   +7 more
core   +3 more sources

Degradation of Methylene Blue Using Biologically Synthesized Silver Nanoparticles

Bioinorganic Chemistry and Applications, 2014
Nowadays plant mediated synthesis of nanoparticles has great interest and achievement due to its eco-benign and low time consuming properties. In this study silver nanoparticles were successfully synthesized by using Morinda tinctoria leaf extract under ...
M. Vanaja, K. Paulkumar, M. Baburaja, S. Rajeshkumar, G. Gnanajobitha, C. Malarkodi, M. Sivakavinesan, G. Annadurai   +7 more
doaj   +1 more source

Resonant Raman Scattering by quadrupolar vibrations of Ni-Ag Core-shell Nanoparticles

, 2002
Low-frequency Raman scattering experiments have been performed on thin films consisting of nickel-silver composite nanoparticles embedded in alumina matrix.
B. Palpant, B. Palpant, E. Duval, E. Duval, E. Duval, Emmanuel Cottancin, Eugène Duval, G. Mariotto, H. Lamb, H. Portales, H. Portales, Hervé Portales, J. Wittmer, J.-L. Rousset, Jean Lermé, Lucien Saviot, M. Gaudry, M. Pellarin, Michel Broyer, Michel Pellarin, Mélanie Gaudry   +20 more
core   +4 more sources

Self-assembled metallic nanoparticle template --- a new approach of surface nanostructuring at nanometer scale [PDF]

, 2017
In the present work, the formation of silver and copper nanostructures on highly oriented pyrolytic graphite (HOPG) modified with self-assembled gold nanoparticles (Au NPs) is demonstrated.
Ivanova, V., Taleb, A.
core   +2 more sources

Elinvar Materials: Recent Progress and Challenges

Advanced Engineering Materials, EarlyView.
Elinvar materials, exhibiting temperature‐invariant elastic modulus, are critical for precision instruments and emerging technologies. This article reviews recent progress in the field, with a focus on the anomalous thermoelastic behavior observed in key material systems.
Wenjie Li, Yang Ren
wiley   +1 more source