Highly dispersible, superparamagnetic magnetite nanoflowers for magnetic resonance imaging

Abstract

A one-pot reaction process was developed to synthesize highly dispersible, superparamagnetic Fe3O4 nanoflowers; the potential of these nanoflowers as MRI contrast agents was investigated.

Polyhedral Magnetite Nanocrystals with Multiple Facets: Facile Synthesis, Structural Modelling, Magnetic Properties and Application for High Capacity Lithium Storage

“…We have carried out a computer simulation study to determine the kinetically and thermodynamically stable surfaces and examined surface structures and crystal morphology of Fe 3 O 4 . Similar calculations have been successfully performed for TiO 2 , [41,42] gibbsite (g-Al(OH) 3 ), [43] g-Fe 2 O 3 , [44] Ca 10 -A C H T U N G T R E N N U N G (PO 4 ) 6 F 2 , [45] LiFePO 4 , [46] and many other inorganic solids. [47] When applied as an electrode material in lithium ion cells, magnetite nanocrystals can tolerate the volume change Abstract: Polyhedral magnetite nanocrystals with multiple facets were synthesised by a low temperature hydrothermal method.…”

“…In recent years, magnetite nanoparticles (Fe 3 O 4 ) have been widely utilised in various fields, such as information storage, magnetic separation [1] and magnetic resonance imaging, [2,3] due to their ability to rapidly respond to an applied magnetic field, accompanied with negligible remanence and coercivity. [4][5][6] Magnetite nanoparticles can also rapidly separate the target molecules from the samples by simply applying an appropriate magnetic field.…”

In vitro evaluation of PEGylated mesoporous MgFe2O4 magnetic nanoassemblies (MMNs) for chemo-thermal therapy

“…The high release of DOX in a mild acidic environment might be due to the dissolution of PEG and weakening of electrostatic bonding by excessive deprotonation of the daunosamine group of the DOX. 6,23 This is favourable for Journal of Materials Chemistry B Paper the effective treatment of cancer because the majority of tumours have mildly acidic cellular environments. 24,25 Additionally, the mesoporous nature of the MMNs protects the drug payload from unwanted enzymatic degradation and protein biofouling which usually happens with free DOX in blood.…”

Structural and Magnetic Properties of Iron Oxide Nanoparticles in Shells of Hollow Microcapsules Designed for Biomedical Applications

“…Targeted drug delivery [1] and theranostics, [2] hyperthermia treatment, [3] contrast media in magnetic resonance imaging, [4] immunoassays, [5] separation and manipulation of biochemical products [6] are the main fields of investigations. The possibility to tune the magnetic properties of iron oxides nanoparticles (Fe3O4, α-Fe2O3, γ-Fe2O3, CoFe2O4) by the specific methods of synthesis is very important, and this is the key factor of practical applications of these materials.…”