Results 21 to 30 of about 48,877 (253)

A Fast and Robust Approach for the Green Synthesis of Spherical Magnetite (Fe3O4) Nanoparticles by Tilia tomentosa (Ihlamur) Leaves and its Antibacterial Studies [PDF]

open access: yesPharmaceutical Sciences, 2020
Background: In the past few years, Magnetite (Fe3O4) nanoparticles have gained a significant research interest in the field of biology, chemistry, metallurgy due to their wide range of applications.
Shashanka Rajendrachari   +3 more
doaj   +1 more source

A Comparison between Chemical Synthesis Magnetite Nanoparticles and Biosynthesis Magnetite [PDF]

open access: yesBioinorganic Chemistry and Applications, 2014
The preparation of Fe3O4from ferrous salt by air in alkaline aqueous solution at various temperatures was proposed. The synthetic magnetites have different particle size distributions. We studied the properties of the magnetite prepared by chemical methods compared with magnetotactic bacterial nanoparticles.
Seyed Abolghasem Kahani, Zahra Yagini
openaire   +3 more sources

Refinement of Magnetite Nanoparticles by Coating with Organic Stabilizers

open access: yesNanomaterials, 2016
Magnetite nanoparticles are of great importance in nanotechnology and nanomedicine and have found manifold applications. Here, the effect of coating of magnetite nanoparticles with organic stabilizers, such as O-phosphoryl ethanolamine, glycerol ...
Monica Cîrcu   +4 more
doaj   +1 more source

Controlled biomineralization of magnetite (Fe3O4) by Magnetospirillum gryphiswaldense [PDF]

open access: yes, 2008
Results from a study of the chemical composition and micro-structural characteristics of bacterial magnetosomes extracted from the magnetotactic bacterial strain Magnetospirillum gryphiswaldense are presented here.
Bauerlein   +12 more
core   +2 more sources

Off-axis electron holography of bacterial cells and magnetic nanoparticles in liquid [PDF]

open access: yes, 2017
The mapping of electrostatic potentials and magnetic fields in liquids usingelectron holography has been considered to be unrealistic. Here, we showthat hydrated cells ofMagnetospirillum magneticumstrain AMB-1 and assem-blies of magnetic nanoparticles ...
András Kovács   +18 more
core   +3 more sources

Bean Seedling Growth Enhancement Using Magnetite Nanoparticles [PDF]

open access: yesJournal of Agricultural and Food Chemistry, 2018
Advanced fertilizers are one of the top requirements to address rising global food demand. This study investigates the effect of bare and polyethylene glycol-coated Fe3O4 nanoparticles on the germination and seedling development of Phaseolus vulgaris L.
Nádia M. Duran   +7 more
openaire   +2 more sources

Magnetite-Silica Core/Shell Nanostructures: From Surface Functionalization towards Biomedical Applications—A Review

open access: yesApplied Sciences, 2021
The interconnection of nanotechnology and medicine could lead to improved materials, offering a better quality of life and new opportunities for biomedical applications, moving from research to clinical applications.
Angela Spoială   +5 more
doaj   +1 more source

Application of Eco-friendly Magnetite Nanoparticles Coated with Rosin Amidoxime as Corrosion Inhibitor for Mild Steel in 1 M Hydrochloric Acid Solution

open access: yesInternational Journal of Electrochemical Science, 2015
In the present study, new magnetite nanoparticles coated with rosin amidoxime prepared to apply as corrosion inhibitors for steel in 1 M HCl. Rosin midoxime was prepared from from hydrolysis of rosin-acrylonitrile Diels Alder adduct using hyroxylamine in
Ayman M. Atta   +3 more
doaj   +1 more source

Magnetite Nanoparticles for Biomedical Applications

open access: yesEncyclopedia, 2022
Magnetic nanoparticles (MNPs) have great potential in various areas such as medicine, cancer therapy and diagnostics, biosensing, and material science. In particular, magnetite (Fe3O4) nanoparticles are extensively used for numerous bioapplications due to their biocompatibility, high saturation magnetization, chemical stability, large surface area, and
Kirill Petrov, Alexey Chubarov
openaire   +2 more sources

Progress in the Preparation of Magnetite Nanoparticles through the Electrochemical Method

open access: yesKONA Powder and Particle Journal, 2018
Magnetite (Fe3O4) is one of the most important iron oxides due to its extensive range of application in various fields. The characteristics of magnetite can be considerably enhanced by reducing the particle size to the nanometer scale.
Heru Setyawan, W. Widiyastuti
doaj   +1 more source

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