Magnetic metrology for iron oxide nanoparticle scaled-up synthesis

RSC Advances ◽  
2014 ◽  
Vol 4 (90) ◽  
pp. 49086-49089 ◽  
Author(s):  
Irena Milosevic ◽  
Fabienne Warmont ◽  
Yoann Lalatonne ◽  
Laurence Motte
Keyword(s):  
Iron Oxide ◽  
Iron Oxide Nanoparticle ◽  
Oxide Nanoparticle ◽  
Portable Sensor

The formation of iron oxide NPs in scaled-up conditions is monitored in situ using a handled magnetic portable sensor.

Synthesis of spinel iron oxide nanoparticle/organic hybrid for hyperthermia

2008 ◽  
Vol 23 (12) ◽  
pp. 3415-3424 ◽  
Author(s):  
Koichiro Hayashi ◽  
Toshifumi Shimizu ◽  
Hidefumi Asano ◽  
Wataru Sakamoto ◽  
Toshinobu Yogo
Keyword(s):  
Magnetic Field ◽  
Iron Oxide ◽  
Photoelectron Spectroscopy ◽  
Iron Oxide Nanoparticle ◽  
Organic Hybrid ◽  
Oxide Nanoparticle ◽  
Hydrolysis Conditions ◽  
Size Controlled ◽  
Controlled Hydrolysis

Size-controlled spinel iron oxide (SIO) nanoparticle/organic hybrid was synthesized in situ from iron (III) allylacetylacetonate (IAA) at around 80 °C. The formation of SIO particles chemically bound with organics was confirmed by infrared and x-ray photoelectron spectroscopy. The sizes of SIO nanoparticles in the hybrids were monodispersed and ranged from 7 to 23 nm under controlled hydrolysis conditions. The hybrid including SIO particles of 7.3 nm was superparamagnetic, whereas those dispersed with particles above 11 nm were ferrimagnetic. The specific absorption rate (SAR) value was dependent upon the magnetic properties of the hybrid at 100 Oe. The SAR was 15.2 W g−1 in a 230 kHz alternating magnetic field and 100 Oe when the crystallite size of SIO particle in the hybrid was 16 nm. The temperatures of agars dispersed with hybrid powders of 5 and 8 mg ml−1 reached the optimum temperature (42 °C) for 17 and 8 min, respectively. The increase in temperature was controlled in terms of the strength of magnetic field. The simulation of heat transfer in the agar phantom model revealed that the suitable temperature distribution for therapy was attained from 15 to 20 min at 230 kHz and 100 Oe.

scholarly journals Field-scale demonstration of in situ immobilization of heavy metals by injecting iron oxide nanoparticle adsorption barriers in groundwater

2021 ◽  
Vol 237 ◽  
pp. 103741 ◽  
Author(s):  
Sadjad Mohammadian ◽  
Beate Krok ◽  
Andreas Fritzsche ◽  
Carlo Bianco ◽  
Tiziana Tosco ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Iron Oxide ◽  
Iron Oxide Nanoparticle ◽  
Field Scale ◽  
In Situ Immobilization ◽  
Oxide Nanoparticle

Observing the colloidal stability of iron oxide nanoparticlesin situ

Nanoscale ◽  
2019 ◽  
Vol 11 (27) ◽  
pp. 13098-13107 ◽  
Author(s):  
Ryan Hufschmid ◽  
Eric Teeman ◽  
B. Layla Mehdi ◽  
Kannan M. Krishnan ◽  
Nigel D. Browning
Keyword(s):  
Iron Oxide ◽  
Scanning Transmission Electron Microscopy ◽  
Colloidal Stability ◽  
Iron Oxide Nanoparticle ◽  
Nanoparticle Surface ◽  
Transmission Electron ◽  
Scanning Transmission ◽  
Liquid Cell ◽  
Oxide Nanoparticle

Iron oxide nanoparticle surface chemistry controls growth and dissolution, which are observed in real-time usingin situliquid cell Scanning Transmission Electron Microscopy (STEM).

Evaluation of In-Situ Magnetic Signals from Iron Oxide Nanoparticle-Labeled PC12 Cells by Atomic Force Microscopy

2015 ◽  
Vol 11 (3) ◽  
pp. 457-468 ◽  
Author(s):  
Lijun Wang ◽  
Yue Min ◽  
Zhigang Wang ◽  
Cristina Riggio ◽  
M. Pilar Calatayud ◽  
...  
Keyword(s):  
Atomic Force Microscopy ◽  
Iron Oxide ◽  
Pc12 Cells ◽  
Iron Oxide Nanoparticle ◽  
Force Microscopy ◽  
Atomic Force ◽  
Oxide Nanoparticle

Spatiotemporal Study of Iron Oxide Nanoparticle Monolayer Formation at Liquid/Liquid Interfaces by Using In Situ Small-Angle X-ray Scattering

2020 ◽  
Vol 124 (43) ◽  
pp. 23949-23963
Author(s):  
Jiayang Hu ◽  
Evan W. C. Spotte-Smith ◽  
Brady Pan ◽  
Roy J. Garcia ◽  
Carlos Colosqui ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Small Angle ◽  
Iron Oxide Nanoparticle ◽  
Liquid Interfaces ◽  
X Ray ◽  
Monolayer Formation ◽  
X Ray Scattering ◽  
Oxide Nanoparticle ◽  
Ray Scattering

Adsorption of As (V) on iron oxide nanoparticle films studied by in situ ATR-FTIR spectroscopy

2009 ◽  
Vol 346 (1-3) ◽  
pp. 106-113 ◽  
Author(s):  
Ivan Carabante ◽  
Mattias Grahn ◽  
Allan Holmgren ◽  
Jurate Kumpiene ◽  
Jonas Hedlund
Keyword(s):  
Iron Oxide ◽  
Ftir Spectroscopy ◽  
Iron Oxide Nanoparticle ◽  
Nanoparticle Films ◽  
Oxide Nanoparticle

scholarly journals In-situ synthesis of magnetic iron-oxide nanoparticle-nanofibre composites using electrospinning

2017 ◽  
Vol 70 ◽  
pp. 512-519 ◽  
Author(s):  
Luke Burke ◽  
Chris J. Mortimer ◽  
Daniel J. Curtis ◽  
Aled R. Lewis ◽  
Rhodri Williams ◽  
...  
Keyword(s):  
Iron Oxide ◽  
In Situ Synthesis ◽  
Iron Oxide Nanoparticle ◽  
Magnetic Iron Oxide ◽  
Oxide Nanoparticle
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