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720704

Sigma-Aldrich

Iron(III) oxide, dispersion

nanoparticles, ≤110 nm particle size, 20 wt. % in H2O

Synonym(s):

Iron oxide in water

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About This Item

Empirical Formula (Hill Notation):
Fe2O3
CAS Number:
Molecular Weight:
159.69
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23

form

nanoparticles

concentration

20 wt. % in H2O

particle size

≤110 nm

pH

6-8

density

1.17 g/mL±0.1 g/mL at 25 °C

SMILES string

O=[Fe]O[Fe]=O

InChI

1S/2Fe.3O

InChI key

JEIPFZHSYJVQDO-UHFFFAOYSA-N

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Storage Class Code

10 - Combustible liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Magnetic iron oxide nanoparticles: synthesis, stabilization, vectorization, physicochemical characterizations, and biological applications
Laurent S, et al.
Chemical Reviews, 108(6), 2064-2110 (2008)
J Sangeetha et al.
Journal of biomedical nanotechnology, 9(5), 751-764 (2013-06-28)
We present methodologies to functionalize iron oxide (Fe3O4) nanoparticles with biosurfactants and biocompatibility results. Positively charged Fe3O4 nanoparticles of average hydrodynamic size -26 nm is functionalized with four different molecules of interest, viz., surfactin, rhamnolipid, polyethylene glycol (PEG) and dextran.
Alice Panariti et al.
Journal of biomedical nanotechnology, 9(9), 1556-1569 (2013-08-29)
Magnetic nanoparticles have emerged as important players in current research in modern medicine since they can be used in medicine for diagnosis and/or therapeutic treatment of diseases. Among many therapeutic applications of iron-based nanoparticles, drug delivery and photothermal therapy are
Andrew Pratt et al.
Nature materials, 13(1), 26-30 (2013-11-05)
Geometry and confinement effects at the nanoscale can result in substantial modifications to a material's properties with significant consequences in terms of chemical reactivity, biocompatibility and toxicity. Although benefiting applications across a diverse array of environmental and technological settings, the
Tomoko Satomi et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 54(6), 999-1004 (2013-05-15)
Various noninvasive imaging methods have been developed to evaluate atherosclerotic plaques. Among them, (18)F-FDG PET and MR imaging with ultrasmall superparamagnetic iron oxide particles (USPIO) have been used to quantify plaque inflammation. Both methods are based on the efficient uptake

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