Results 1 to 10 of about 35,382 (205)

Chitosan - Carbon Nanotube - Maghemite nanocomposites – A Flexible Negative Dielectric Constant Material [PDF]

open access: yesProgress in Physics of Applied Materials, 2023
In this work, the nanocomposites of chitosan containing carbon nanotubes (CNT) and maghemite nanoparticles have been prepared by solution casting method. Techniques such as Raman spectroscopy, SEM, TEM, dielectric relaxation spectroscopy, and VSM studies
Saravanan Annamalai   +1 more
doaj   +1 more source

Catecholamine Coated Maghemite Nanoparticles for Asphaltene Adsorption/Desorption Process [PDF]

open access: yesJournal of Chemical and Petroleum Engineering, 2021
In this study, a nano-layer polydopamine (PDA) coated superparamagnetic maghemite nanoparticles (MNPs) was applied to investigate the asphaltene adsorption-desorption behavior using a model solution.
Behruz Mirzayi   +3 more
doaj   +1 more source

MAGHEMITE PARTICLES FOR SPERMIDINE SEPARATION [PDF]

open access: yesNANOCON Conference Proeedings, 2020
We report the optimal conditions for the separation of spermidine from different types of samples, for example blood or cancer cells and its subsequent determination by ion-exchange liquid chromatography (IEC) with UV-VIS detector. Here in, we synthesized paramagnetic particles able to isolate and immobilize spermidine from blood of patients with ...
Kopel, Pavel   +7 more
openaire   +2 more sources

Combustion method combined with sonochemical step for synthesis of maghemite-supported catalysts for the hydrogenation of 2,4-dinitrotoluene

open access: yesCatalysis Communications, 2021
Maghemite particles were synthesized by using a combined combustion method and sonochemical step. Maghemite was used as carrier to prepare supported Pt and Pd catalysts after deposition via a sonochemical step.
Viktória Hajdu   +8 more
doaj   +1 more source

Effect of Heat-Treatment Temperatures on Magnetite Oxidation in 20SiO2.50FeO.30CaO Glass Ceramic Prepared by the Sol-Gel Method [PDF]

open access: yesIranian Journal of Materials Science and Engineering, 2023
The effect of different heat-treatment temperatures on the magnetic, crystallization, and structural properties of 20SiO2.50FeO.30CaO (mol%) glass ceramics was studied.
parisa rastgoo oskoui   +2 more
doaj  

Phosphate removal from real wastewater using maghemite beads [PDF]

open access: yesThe Holistic Approach to Environment, 2019
The present study aimed at research of phosphate adsorption onto poly(vinyl-alcohol) PVA alginate beads in comparison with maghemite modified beads from wastewater. The characterisation of material was performed by Fourier transform infrared spectroscopy
Marjana Simonič
doaj   +1 more source

AC Susceptibility Studies under DC Fields in Superspinglass Nanomaghemite-Multiwall Carbon Nanotube Hybrid

open access: yesMagnetochemistry, 2021
Magnetic properties of maghemite (γ-Fe2O3) nanoparticles grown on activated multiwall carbon nanotubes have been studied by alternating current (AC) magnetic susceptibility experiments performed under different temperatures, frequencies, and applied ...
Juan A. Ramos-Guivar   +2 more
doaj   +1 more source

Multifunctional Magnetic Nanocolloids for Hybrid Solar-Thermoelectric Energy Harvesting

open access: yesNanomaterials, 2021
Present environmental issues force the research to explore radically new concepts in sustainable and renewable energy production. In the present work, a functional fluid consisting of a stable colloidal suspension of maghemite magnetic nanoparticles in ...
Elisa Sani   +5 more
doaj   +1 more source

New Phenotype and Mineralization of Biogenic Iron Oxide in Magnetotactic Bacteria

open access: yesNanomaterials, 2021
Many magnetotactic bacteria (MTB) biomineralize magnetite crystals that nucleate and grow inside intracellular membranous vesicles originating from invaginations of the cytoplasmic membrane.
Walid Baaziz   +7 more
doaj   +1 more source

Maghemite Functionalization for Antitumor Drug Vehiculization [PDF]

open access: yesMolecular Pharmaceutics, 2012
In this paper we describe the preparation and characterization of magnetic nanocomposites designed for applications in targeted drug delivery. Combining superparamagnetic behavior with proper surface functionalization in a single entity makes it possible to have altogether controlled location and drug loading, and release capabilities.
Katarzyna, Rudzka   +2 more
openaire   +2 more sources

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