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Sigma-Aldrich

Iron oxide(II,III) magnetic nanopowder

30 nm avg. part. size (TEM), NHS ester functionalized

Synonym(s):

Fe NP NHS, FexOy

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About This Item

UNSPSC Code:
12352302
NACRES:
NA.23

form

nanopowder
powder

Quality Level

100

composition

Fe, ~1.25 % (w/w)

magnetization

>45 emu/g, at room temperature; under 4500 Oe

color

light brown to dark brown, and Dark Grey

avg. part. size

30 nm (TEM)

functional group

NHS ester (functionalized)

storage temp.

−20°C

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Application

These magnetic nanoparticles are typically used in imaging or as contrast agents. The surface functionality allows for different ligation or further functionalization.

Legal Information

Product of Ocean Nanotech; LLC.

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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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)
The preparation of magnetic nanoparticles for applications in biomedicine.
Tartaj P, et al.
Journal of Physics D: Applied Physics, 36(13), R182-R182 (2003)
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Journal of bacteriology, 196(14), 2552-2562 (2014-05-06)
The biomineralization of magnetosomes in Magnetospirillum gryphiswaldense and other magnetotactic bacteria occurs only under suboxic conditions. However, the mechanism of oxygen regulation and redox control of biosynthesis of the mixed-valence iron oxide magnetite [FeII(FeIII)2O4] is still unclear. Here, we set
Eye, magnetism and magnets.
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The British journal of ophthalmology, 98(4), 425-426 (2014-05-02)
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Journal of computer assisted tomography, 38(4), 571-573 (2014-04-16)
Ferumoxytol is a parenteral iron therapy that the Food and Drug Administration recently approved for the treatment of iron-deficiency anemia. The form of the iron, ultrasmall superparamagnetic iron oxide nanoparticles, causes T1, T2, and T2* shortening on magnetic resonance imaging
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