نتایج جستجو برای: magnetite nanoparticle loaded

تعداد نتایج: 76809  

2010
Swapankumar Ghosh Darren Carty Sarah P. Clarke Serena A. Corr Renata Tekoriute Yurii K. Gun’ko Dermot F. Brougham

We report the physico-chemical characterisation of fatty acid stabilised aqueous magnetic fluids, which are ideal systems for studying the influence of nanoparticle aggregation on the emergent magnetic resonance properties of the suspensions. Stable colloids of superparamagnetic magnetite, Fe3O4, nanoparticle clusters in the 80 to 100 nm size range were produced by in situ nanoparticle growth a...

Journal: :Physical chemistry chemical physics : PCCP 2010
Swapankumar Ghosh Darren Carty Sarah P Clarke Serena A Corr Renata Tekoriute Yurii K Gun'ko Dermot F Brougham

We report the physico-chemical characterisation of fatty acid stabilised aqueous magnetic fluids, which are ideal systems for studying the influence of nanoparticle aggregation on the emergent magnetic resonance properties of the suspensions. Stable colloids of superparamagnetic magnetite, Fe(3)O(4), nanoparticle clusters in the 80 to 100 nm size range were produced by in situ nanoparticle grow...

Journal: :Molecules 2014
Alina Georgiana Anghel Alexandru Mihai Grumezescu Mariana Chirea Valentina Grumezescu Gabriel Socol Florin Iordache Alexandra Elena Oprea Ion Anghel Alina Maria Holban

Cinnamomum verum-functionalized Fe3O4 nanoparticles of 9.4 nm in size were laser transferred by matrix assisted pulsed laser evaporation (MAPLE) technique onto gastrostomy tubes (G-tubes) for antibacterial activity evaluation toward Gram positive and Gram negative microbial colonization. X-ray diffraction analysis of the nanoparticle powder showed a polycrystalline magnetite structure, whereas ...

Journal: :Organic & biomolecular chemistry 2015
Thomas P Coxon Thomas W Fallows Julie E Gough Simon J Webb

A simple synthetic route has been devised for the production of coating agents that can give multivalent displays of saccharides on the surface of magnetite nanoparticles and phospholipid vesicles. A versatile and potentially high-throughput condensation reaction allowed the rapid synthesis of a variety of glycosylhydrazide conjugates with lipid, resorcinol or catechol termini, each in good yie...

2014
Ayman M. Atta Gamal A. El-Mahdy Hamad A. Al-Lohedan Sami A. Al-Hussain

This work presents a new method to prepare monodisperse magnetite nanoparticles capping with new cationic surfactants based on rosin. Core/shell type magnetite nanoparticles were synthesized using bis-N-(3-levopimaric maleic acid adduct-2-hydroxy) propyl-triethyl ammonium chloride (LPMQA) as capping agent. Fourier transform infrared spectroscopy (FTIR) was employed to characterize the nanoparti...

Journal: :Bulletin du cancer 2017
Ayesha Sohail Zaki Ahmad O Anwar Bég Sarmad Arshad Lubna Sherin

Hyperthermia treatment, generated by magnetic nanoparticles (MNPs) is promising since it is tumour-focused, minimally invasive and uniform. The most unique feature of magnetic nanoparticles is its reaction and modulation by a magnetic force basically responsible for enabling its potential as heating mediators for cancer therapy. In magnetic nanoparticle hyperthermia, a tumour is preferentially ...

2016
Monica Cîrcu Alexandrina Nan Gheorghe Borodi Jürgen Liebscher Rodica Turcu

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 phosphate, phospho-l-ascorbic acid, phospho-d,l-serine, glycolic acid, lactic acid, d,l-malic acid, and d,l-mandelic acid was studied. Remarkably, this...

In this study we suggested a new strategy for drug delivery of 6-thioguanine (6-TG) as a cancer drug by loading of this thiolic drug at a surface of Au nanoparticles. For this goal, we synthesized Au nanoparticle (Au/NPs) by reduction of tetrachloroauric (III) acid solutions by sodium borohydride and characterized Au/NPs by X-ray powder diffraction (XRD), dynamic light scattering (DLS), Ultravi...

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