Results 41 to 50 of about 60,731 (265)

Vacancy Coalescence during Oxidation of Iron Nanoparticles [PDF]

Journal of the American Chemical Society, 2007
In the present work, we analyze the geometry and composition of the nanostructures obtained from the oxidation of iron nanoparticles. The initial oxidation of iron takes place by outward diffusion of cations through the growing oxide shell. This net material flow is balanced by an opposite flow of vacancies, which coalesce at the metal/oxide interface.
Cabot, Andreu, Puntes, Victor F., Shevchenko, Elena, Yin, Yadong, Balcells, Lluis, Marcus, Matthew A., Hughes, Steven M., Alivisatos, A. Paul   +7 more
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Iron Oxide Nanoparticles for Magnetic Hyperthermia [PDF]

SPIN, 2019
Assemblies of magnetic nanoparticles show a great potential for application in biomedicine, particularly, magnetic hyperthermia. However, to achieve desired therapeutic effect in magnetic hyperthermia, the assembly of nanoparticles should have a sufficiently high specific absorption rate (SAR) in alternating magnetic field of moderate amplitude and ...
openaire   +2 more sources

Influence of Different Capping Agents on the Structural, Optical, and Photocatalytic Degradation Efficiency of Magnetite (Fe₃O₄) Nanoparticles

Nanomaterials, 2023
Octylamine (OTA), 1-dodecanethiol (DDT), and tri-n-octylphosphine (TOP) capped magnetite nanoparticles were prepared by co-precipitation method. Powder X-ray diffraction patterns confirmed inverse spinel crystalline phases for the as-prepared iron oxide ...
Thandi B. Mbuyazi, Peter A. Ajibade
doaj   +1 more source

Imaging Constructs: The Rise of Iron Oxide Nanoparticles [PDF]

Molecules, 2021
Over the last decade, an important challenge in nanomedicine imaging has been the work to design multifunctional agents that can be detected by single and/or multimodal techniques. Among the broad spectrum of nanoscale materials being investigated for imaging use, iron oxide nanoparticles have gained significant attention due to their intrinsic ...
Bianca Elena-Beatrice Crețu, Gianina Dodi, Amin Shavandi, Ioannis Gardikiotis, Ionela Lăcrămioara Șerban, Vera Balan   +5 more
openaire   +4 more sources

The Detailed Bactericidal Process of Ferric Oxide Nanoparticles on E. coli

Molecules, 2018
While nanoparticles exert bactericidal effects through the generation of reactive oxygen species (ROS), the processes of the internalization of and the direct physical damage caused by iron oxide nanoparticles are not completely clear.
Yunqiao Li, Dong Yang, Shang Wang, Chenyu Li, Bin Xue, Lin Yang, Zhiqiang Shen, Min Jin, Jingfeng Wang, Zhigang Qiu   +9 more
doaj   +1 more source

Biosynthesis of iron oxide nanoparticles using Solanum trilobatum leaf extract and its efficacy on pancreatic cancer [PDF]

EPJ Web of Conferences
Nanoparticles are widely used in anticancer drugs, antimicrobial agent, degradation of harmful organic dyes, and waste water treatment etc. In the present investigation on iron oxide nanoparticles (IONPs) are biosynthesized by using solanum trilobatum ...
Koyyalamudi Sireesha, Kumar V. Ganesh, Jayaseelan C., Balamurugan J.   +3 more
doaj   +1 more source

Anti-radical, anti-inflammatory and antibacterial efficacy of iron oxide nanoparticles availed using aqueous extract of Vitex trifolia leaf

Next Materials
Nanotechnology creates nanometric particles with new and improved traits. In our work, we created iron oxide nanoparticles using the aqueous extrac`t of V. trifolia (Vitex trifolia) leaf.
S.L. Harish, Dhivya Viswanathan, Rajakumar Govindasamy, B. Nisha   +3 more
doaj   +1 more source

In vitro toxicity assessment of chitosan oligosaccharide coated iron oxide nanoparticles

Toxicology Reports, 2015
Iron oxide nanoparticles (INPs) have potential biological, biomedical and environmental applications. These applications require surface modification of the iron oxide nanoparticles, which makes it non-toxic, biocompatible, stable and non-agglomerative ...
Sudeep Shukla, Alka Jadaun, Vikas Arora, Raj Kumar Sinha, Neha Biyani, V.K. Jain   +5 more
doaj   +1 more source

Self-healing Passivation of Antimicrobial Iron oxide Nanoparticles for Epoxy Nanocomposite Coatings on Carbon Steel

International Journal of Electrochemical Science, 2016
Self-healing smart nanomaterials are fast responsive materials that can be used to repair organic coating defects. In this work, the ability of smart nanomaterials based on iron oxide nanoparticles capped with Myrrh to form protective films for epoxy ...
Ayman M. Atta, Ashraf M. El-Saeed, H.I. Al-Shafey, Gamal A. El-Mahdy   +3 more
doaj   +1 more source

Iron oxide nanoparticles for therapeutic applications

Drug Discovery Today, 2020
In nanomedicine, iron oxide nanoparticles are at an advanced stage, being commercialized for cancer treatment and iron-deficiency anemia treatment. Their therapeutic efficacy comes from their ability to target a tissue, activate a drug, locally produce a temperature increase following (or not) the application of an external source of energy, modify ...
openaire   +5 more sources