scholarly journals On the synthesis of bi-magnetic manganese ferrite-based core–shell nanoparticles

2021 ◽  
Author(s):  
Marco Sanna Angotzi ◽  
Valentina Mameli ◽  
Claudio Cara ◽  
Davide Peddis ◽  
Huolin L. Xin ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Cobalt Ferrite ◽  
Magnetic Core ◽  
Oxide Shell ◽  
Core Shell ◽  
Manganese Ferrite ◽  
Shell Nanoparticles ◽  
Seed Mediated ◽  
Core Shell Nanoparticles

Dissolution phenomena in seed-mediated growth approaches of MnFe2O4-based bi-magnetic core–shell nanoheterostructures with a cobalt ferrite or spinel iron oxide shell.

Iron Oxide Composite Nanoparticles and Sensing Properties

2005 ◽  
Vol 900 ◽  
Author(s):  
Lingyan Wang ◽  
Xiajing Shi ◽  
Sakienah Mahs ◽  
Jeongku Choi ◽  
Karan Sarup ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Oxide Shell ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Fe Oxide ◽  
Sensing Properties ◽  
Volatile Organic ◽  
Unique Aspect ◽  
Core Shell Nanoparticles ◽  
Piezoelectric Devices

ABSTRACTThis paper reports findings of an investigation of the synthesis of monolayer-capped iron oxide and core (iron oxide)-shell (gold) nanocomposite and their assembly towards thin films as sensing materials. Pre-synthesized and size-defined iron oxide nanoparticles were used as seeding materials for the reduction of gold precursors, which was shown to be effective for coating the iron oxide cores with gold shells (Fe oxide@Au). The unique aspect of our synthesis is the formation of Fe oxide@Au core-shell nanoparticles with controllable surface properties. By controlling the reaction temperatures and manipulating the capping agent properties and solution compositions, the size, shape, composition, and monodispersity can be tailored. The core-shell nanoparticles were shown to form molecularly-mediated thin film assemblies using molecular mediators. The sensing properties of the nanostructures on piezoelectric devices were examined for the detection of volatile organic compounds. The preliminary results have provided important insights into the design of core-shell nanocomposites as sensing materials.

scholarly journals Interplay between inter- and intraparticle interactions in bi-magnetic core/shell nanoparticles

2021 ◽  
Author(s):  
Alexander Omelyanchik ◽  
Silvia Villa ◽  
Marianna Vasilakaki ◽  
Gurvinder Singh ◽  
Anna Maria Ferretti ◽  
...  
Keyword(s):  
Cobalt Ferrite ◽  
Magnetic Core ◽  
Shell Morphology ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Synthesis Strategy ◽  
Two Systems ◽  
Magnetically Hard ◽  
Core Shell Nanoparticles ◽  
Soft Nanoparticles

The synthesis strategy and magnetic characterisation of two systems consisting of nanoparticles with core/shell morphology are presented: an assembly of hard/soft nanoparticles with cores consisting of magnetically hard cobalt ferrite...

scholarly journals Fabrication of copper(II)-coated magnetic core-shell nanoparticles Fe3O4@SiO2-2-aminobenzohydrazide and investigation of its catalytic application in the synthesis of 1,2,3-triazole compounds

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
H. Rajabi-Moghaddam ◽  
M. R. Naimi-Jamal ◽  
M. Tajbakhsh
Keyword(s):  
High Efficiency ◽  
Click Reaction ◽  
Magnetic Core ◽  
Core Shell ◽  
Isatoic Anhydride ◽  
Shell Nanoparticles ◽  
Triazole Derivatives ◽  
Catalytic Application ◽  
Ft Ir ◽  
Core Shell Nanoparticles

AbstractIn the present work, an attempt has been made to synthesize the 1,2,3-triazole derivatives resulting from the click reaction, in a mild and green environment using the new copper(II)-coated magnetic core–shell nanoparticles Fe3O4@SiO2 modified by isatoic anhydride. The structure of the catalyst has been determined by XRD, FE-SEM, TGA, VSM, EDS, and FT-IR analyzes. The high efficiency and the ability to be recovered and reused for at least up to 6 consecutive runs are some superior properties of the catalyst.

Iron Oxide-Gold Core-Shell Nanoparticles as Multimodal Imaging Contrast Agent

2013 ◽  
Vol 13 (6) ◽  
pp. 2341-2347 ◽  
Author(s):  
Luca Menichetti ◽  
Leonardo Manzoni ◽  
Luigi Paduano ◽  
A. Flori ◽  
Claudia Kusmic ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Contrast Agent ◽  
Multimodal Imaging ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Gold Core ◽  
Core Shell Nanoparticles ◽  
Imaging Contrast Agent

scholarly journals Multifunktionale bakterielle Nanomagnete für Biotechnologie und Medizin

BIOspektrum ◽  
2021 ◽  
Vol 27 (4) ◽  
pp. 442-444
Author(s):  
Frank Mickoleit ◽  
Sabine Rosenfeldt ◽  
Anna S. Schenk ◽  
Dirk Schüler ◽  
René Uebe
Keyword(s):  
Particle Production ◽  
Magnetotactic Bacteria ◽  
Magnetic Core ◽  
High Yield ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Magnetospirillum Gryphiswaldense ◽  
Core Shell Nanoparticles ◽  
Genetic Toolkit ◽  
The Way

AbstractBacterial magnetosomes represent magnetic core-shell nanoparticles biomineralized by magnetotactic bacteria like Magnetospirillum gryphiswaldense. The establishment of fermentation regimes for high-yield particle production, standardized isolation procedures as well as the development of a genetic toolkit for the generation of “tailored” particles might soon pave the way for the application of engineered magnetosomes in the biomedical and biotechnological field.

scholarly journals Novel magnetic core-shell nanoparticles for the removal of polychlorinated biphenyls from contaminated water sources

2019 ◽  
Vol 223 ◽  
pp. 68-74 ◽  
Author(s):  
Angela M. Gutierrez ◽  
Rohit Bhandari ◽  
Jiaying Weng ◽  
Arnold Stromberg ◽  
Thomas D. Dziubla ◽  
...  
Keyword(s):  
Polychlorinated Biphenyls ◽  
Magnetic Core ◽  
Water Sources ◽  
Core Shell ◽  
Contaminated Water ◽  
Shell Nanoparticles ◽  
Core Shell Nanoparticles
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