Results 21 to 30 of about 158,239 (251)

All-inorganic core-shell silica-titania mesoporous colloidal nanoparticles showing orthogonal functionality [PDF]

open access: yes, 2011
Colloidal mesoporous silica (CMS) nanoparticles with a thin titania-enriched outer shell showing a spatially resolved functionality were synthesized by a delayed co-condensation approach.
Abe   +32 more
core   +1 more source

Synthesis, thermal stability, magnetic properties, and microwave absorption applications of CoNi-C core-shell nanoparticles with tunable Co/Ni molar ratio

open access: yesResults in Physics, 2021
Magnetic alloy-C core-shell nanoparticles with tunable elemental components are highly expected for their controllable magnetic, catalytic, and electromagnetic properties, and high air stability.
Lizhen Hou   +8 more
doaj   +1 more source

Dual mode nanoparticles: CdS coated iron nanoparticles [PDF]

open access: yes, 2010
Reverse micelles can be used in a sequential fashion to make core-shell nanoparticles. Using this technique it is possible to make a magnetic quantum dot, by coating an iron core with a cadmium sulfide shell.
Carpenter, E. E.   +2 more
core   +2 more sources

Shell Thickness-Dependent Strain Distributions of Confined Au/Ag and Ag/Au Core-Shell Nanoparticles

open access: yesAdvances in Condensed Matter Physics, 2015
The shell thickness-dependent strain distributions of the Au/Ag and Ag/Au core-shell nanoparticles embedded in Al2O3 matrix have been investigated by finite element method (FEM) calculations, respectively.
Feng Liu   +5 more
doaj   +1 more source

Magnetic core nanoparticles coated by titania and alumina for water and wastewater remediation from metal contaminants [PDF]

open access: yes, 2017
Nanomaterials have been widely used for remediation of contaminated streams. However, using nanomaterials within water and wastewater might be dangerous since fate and health impact of nanoparticles is still unknown.
Boni, Maria Rosaria   +3 more
core   +1 more source

Synthesis and properties of nickel-cobalt-boron nanoparticles [PDF]

open access: yes, 2005
morphous cobalt nickel boride nanoparticles were synthesised by chemical reduction synthesis in aqueous solution. Careful control of synthesis conditions and post reaction oxidation enabled the nanoparticles to be converted into a core-shell structure ...
Pankhurst, QA, Parkin, IP, Patel, J
core   +1 more source

Cancer cell membrane-coated upconversion nanoparticles/ZnxMn1-xS core-shell nanoparticles for targeted photodynamic and chemodynamic therapy of pancreatic cancer

open access: yesMaterials Today Bio, 2023
Oxidative stress induced by reactive oxygen species (ROS) is promising treatment approach for pancreatic ductal adenocarcinoma (PDAC), which is typically insensitive to conventional chemotherapy.
Xiaoyan Liu   +6 more
doaj   +1 more source

Enhanced Upconversion Luminescence in Yb3+/Tm3+-Codoped Fluoride Active Core/Active Shell/Inert Shell Nanoparticles through Directed Energy Migration

open access: yesNanomaterials, 2014
The luminescence efficiency of lanthanide-doped upconversion nanoparticles is of particular importance for their embodiment in biophotonic and photonic applications.
Hailong Qiu   +7 more
doaj   +1 more source

Functionalization of BaTiO3 nanoparticles with electron insulating and conducting organophosphazene-based hybrid materials [PDF]

open access: yes, 2017
Novel core–shell structured organophosphazene (OPZ) coated BaTiO3 nanoparticles (OPZ@BaTiO3) were produced via a facile and rapid one-step nucleophilic substitution reaction in ambient conditions.
Bowen, Chris   +4 more
core   +1 more source

Synthesis of Au@Pt Core-Shell Nanoparticles with High Electro-catalytic Activity of Methanol Oxidation by Photochemical Seeding Growth

open access: yesInternational Journal of Electrochemical Science, 2013
Au@Pt core-shell nanoparticles were synthesized by photochemical seeding growth method in PEG-acetone system, in which the thickness of Pt shell could be controlled by changing the molar ratio of Au seed to Pt(IV).
Shanshan Li   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy