scholarly journals Electrochemical Preparation of Synergistic Nanoantimicrobials

Molecules ◽  
2019 ◽  
Vol 25 (1) ◽  
pp. 49 ◽  
Author(s):  
Maria Chiara Sportelli ◽  
Daniela Longano ◽  
Elisabetta Bonerba ◽  
Giuseppina Tantillo ◽  
Luisa Torsi ◽  
...  
Keyword(s):  
Bacterial Infections ◽  
Methyl Ketone ◽  
Composite Coatings ◽  
Antimicrobial Properties ◽  
Synergistic Action ◽  
Vinyl Methyl ◽  
Metal Core ◽  
Shell Nanoparticles ◽  
Electrochemical Preparation ◽  
Core Shell Nanoparticles

The rapid spreading of resistance among common bacterial pathogens towards the misused antibiotics/disinfectant agents has drawn much attention worldwide to bacterial infections. In light of this, the present work aimed at the realization of core–shell nanoparticles possessing remarkable antimicrobial properties thanks to the synergistic action of the metal core and the disinfectant shell. Copper nanoparticles stabilized by benzalkonium chloride were prepared, characterized, and implemented in poly-vinyl-methyl ketone to obtain nanoantimicrobial composite coatings. Bioactivity tests are reported, proving the excellent disinfectant properties of the proposed nanomaterials, as compared to one of the well-known and strongest silver-based nanoantimicrobials. Applications are also briefly described.

Correlating Electron Tomography and Plasmon Spectroscopy of Single Noble Metal Core–Shell Nanoparticles

Nano Letters ◽  
2011 ◽  
Vol 12 (1) ◽  
pp. 145-150 ◽  
Author(s):  
Lev Chuntonov ◽  
Maya Bar-Sadan ◽  
Lothar Houben ◽  
Gilad Haran
Keyword(s):  
Noble Metal ◽  
Electron Tomography ◽  
Core Shell ◽  
Metal Core ◽  
Shell Nanoparticles ◽  
Core Shell Nanoparticles

scholarly journals Surfaces and Interfaces of Liquid Metal Core–Shell Nanoparticles under the Microscope

2020 ◽  
Vol 37 (5) ◽  
pp. 1900469
Author(s):  
Sabrina S. Hafiz ◽  
Daniela Labadini ◽  
Ryan Riddell ◽  
Erich P. Wolff ◽  
Marvin Xavierselvan ◽  
...  
Keyword(s):  
Liquid Metal ◽  
Core Shell ◽  
Metal Core ◽  
Shell Nanoparticles ◽  
Surfaces And Interfaces ◽  
Core Shell Nanoparticles

scholarly journals Influence of Shell Parameters on Optical Properties of Spherical Metallic Core-Oxide Shell Nanoparticles

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Victor K. Pustovalov ◽  
Liudmila G. Astafyeva
Keyword(s):  
Metallic Nanoparticles ◽  
Oxide Shell ◽  
Spectral Interval ◽  
Metal Core ◽  
Metal Shell ◽  
Shell Nanoparticles ◽  
Wide Range ◽  
Potential Applications ◽  
Efficiency Factors ◽  
Core Shell Nanoparticles

Different metal homogeneous nanoparticles have been extensively studied in recent years due to their wide range of potential applications. It is very interesting to investigate core-shell nanoparticles with oxide shell from core metal. The formation of oxide shell on metallic nanoparticles can be achieved by different chemical and physical methods including also natural oxidation of pure metallic nanoparticles in gaseous or liquid media, containing oxygen components (air, water, etc.). We numerically calculated efficiency factors of absorptionKabs, scatteringKsca, and extinctionKextof radiation with wavelengthλin the spectral interval 150–1000 nm by spherical homogeneous metallic and two-layered (metal core – oxide metal shell) nanoparticles: Al, Al-Al2O3and Zn, Zn-ZnO with core radii in the range 5–50 nm and shell thickness 5 nm. Analysis of presented results has been carried out.

Simultaneous SERS and surface-enhanced fluorescence from dye-embedded metal core–shell nanoparticles

2014 ◽  
Vol 16 (19) ◽  
pp. 8791-8794 ◽  
Author(s):  
Yan Zhou ◽  
Peng Zhang
Keyword(s):  
Core Shell ◽  
Dye Molecules ◽  
Enhanced Fluorescence ◽  
Metal Core ◽  
Surface Enhanced Fluorescence ◽  
Shell Nanoparticles ◽  
The Core ◽  
Surface Enhanced ◽  
Core Shell Nanoparticles

We demonstrate a methodology to prepare Au-core–Ag-shell nanoparticles displaying both SERS and surface-enhanced fluorescence (SEF) activities simultaneously by embedding dye molecules between the core and the shell.

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