Results 11 to 20 of about 35,935 (220)

Hydrophilic Copolymers with Hydroxamic Acid Groups as a Protective Biocompatible Coating of Maghemite Nanoparticles: Synthesis, Physico-Chemical Characterization and MRI Biodistribution Study

Pharmaceutics, 2023
Superparamagnetic iron oxide nanoparticles (SPION) with a “non-fouling” surface represent a versatile group of biocompatible nanomaterials valuable for medical diagnostics, including oncology.
Hana Charvátová, Zdeněk Plichta, Jiřina Hromádková, Vít Herynek, Michal Babič   +4 more
doaj   +1 more source

Magnetic Domains and Surface Effects in Hollow Maghemite Nanoparticles [PDF]

, 2008
In the present work, we investigate the magnetic properties of ferrimagnetic and noninteracting maghemite (g-Fe2O3) hollow nanoparticles obtained by the Kirkendall effect.
Alivisatos, A. Paul, Balcells, Lluis, Cabot, Andreu, Iglesias, Oscar, Labarta, Amilcar, Puntes, Victor F.   +5 more
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As^{(III, V)} Uptake from Nanostructured Iron Oxides and Oxyhydroxides: The Complex Interplay between Sorbent Surface Chemistry and Arsenic Equilibria

Nanomaterials, 2022
Iron oxides/oxyhydroxides, namely maghemite, iron oxide-silica composite, akaganeite, and ferrihydrite, are studied for AsV and AsIII removal from water in the pH range 2–8.
Marco Sanna Angotzi, Valentina Mameli, Alessandra Fantasia, Claudio Cara, Fausto Secci, Stefano Enzo, Marianna Gerina, Carla Cannas   +7 more
doaj   +1 more source

MRI Relaxivity Changes of the Magnetic Nanoparticles Induced by Different Amino Acid Coatings

Nanomaterials, 2020
In this study, we analysed the physico-chemical properties of positively charged magnetic fluids consisting of magnetic nanoparticles (MNPs) functionalised by different amino acids (AAs): glycine (Gly), lysine (Lys) and tryptophan (Trp), and the ...
Iryna Antal, Oliver Strbak, Iryna Khmara, Martina Koneracka, Martina Kubovcikova, Vlasta Zavisova, Martina Kmetova, Eva Baranovicova, Dusan Dobrota   +8 more
doaj   +1 more source

Scanning nano-spin ensemble microscope for nanoscale magnetic and thermal imaging [PDF]

, 2015
Quantum sensors based on solid-state spins provide tremendous opportunities in a wide range of fields from basic physics and chemistry to biomedical imaging.
Hollenberg, Lloyd C. L., Lombard, Alain, Lu, Jianing, Mulvaney, Paul, Ritchie, Cameron, Simpson, David A., Tetienne, Jean-Philippe   +6 more
core   +3 more sources

Synthesis and Characterization of Maghemite as an Anode for Lithium-Ion Batteries

International Journal of Electrochemical Science, 2016
Thermal decomposition method were used to synthesize magnetite nanoparticles which then oxidized to maghemite. Simultaneous thermal analysis, X-ray diffraction, and Fourier transform infrared spectroscopy disclosed the formation of iron-urea complex and ...
M. Golmohammad, F. Golestanifard, A. Mirhabibi   +2 more
doaj   +1 more source

Synthesis of Oxide Iron Nanoparticles Using Laser Ablation for Possible Hyperthermia Applications

Nanomaterials, 2020
In this work, iron oxide nanoparticles produced using the laser ablation technique were studied in order to determine the characteristics of these nanoparticles as a function of the laser energy for the possible application in magnetic hyperthermia ...
María J. Rivera-Chaverra, Elisabeth Restrepo-Parra, Carlos D. Acosta-Medina, Alexandre. Mello, Rogelio. Ospina   +4 more
doaj   +1 more source

Rotation of a Ferromanganese Nodule in the Penrhyn Basin, South Pacific, Tracked by the Earth's Magnetic Field

Geochemistry, Geophysics, Geosystems, 2023
Ferromanganese nodules are cm‐sized, authigenic, abyssal manganese‐iron‐hydroxide concretions. They grow very slowly at rates of a few mm per million years.
Hirokuni Oda, Wataru Katanoda, Akira Usui, Masafumi Murayama, Yuhji Yamamoto   +4 more
doaj   +1 more source

Maghemite-like regions at crossing of two antiphase boundaries in doped BiFeO3 [PDF]

, 2015
We report the observation of a novel structure at the point where two antiphase boundaries cross in a doped bismuth ferrite of composition (Bi0.85Nd0.15)(Fe0.9Ti0.1)O0.3. The structure was investigated using a combination of high angle annular dark field
Barthel, J., Craven, A.J., Jones, L., MacLaren, I., Ramasse, Q.M., Reaney, I.M., Salih, J.M., Wang, L.   +7 more
core   +1 more source

Mechanochemical synthesis and magnetic properties of maghemite

Vojnotehnički Glasnik, 2011
This work presents the results of an investigation on maghemite (γ -Fe2O3) nanoparticles magnetic properties, which show superparamagnetic behavior i.e. superparamagnetism. Nanoscale maghemite samples were obtained by the mechanochemical method.
Marin M. Tadić, Nada M. Čitaković
doaj   +1 more source