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747467

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

747467-1G:4548174014554
747467-1G-PW:
747467-BULK:
747467-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP6228
MKCP3664
MKCL3637
MKCH4428
MKCG9368

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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)
Yingjie Li et al.
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.
Richard Keeler et al.
The British journal of ophthalmology, 98(4), 425-426 (2014-05-02)
Aaron Harman et al.
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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