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725366

Sigma-Aldrich

Iron oxide(II,III), magnetic nanoparticles solution

20 nm avg. part. size, 5 mg/mL in H2O

Sinónimos:

Magnetic iron oxide nanocrystals, Magnetite, Superparamagnetic iron oxide nanoparticles

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About This Item

Fórmula empírica (notación de Hill):
Fe3O4
Número de CAS:
1317-61-9
Peso molecular:
231.53
MDL number:
MFCD00011010
UNSPSC Code:
12352302
PubChem Substance ID:
329764150
NACRES:
NA.23

form

dispersion
nanoparticles

concentration

5 mg/mL in H2O

magnetization

>20 emu/g, at 4500Oe

particle size

18-22 nm

avg. part. size

20 nm

density

1.00 g/mL at 25 °C

SMILES string

O=[Fe].O=[Fe]O[Fe]=O

InChI

1S/3Fe.4O

InChI key

SZVJSHCCFOBDDC-UHFFFAOYSA-N

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General description

Concentration 5mg/ml includes total weight nanocrystals plus ligands.

Application

  • Magnetic iron oxide nanoparticle (IONP) synthesis to applications: present and future: This report outlines the co-precipitation synthesis of magnetite nanoparticles using Fe(II) and Fe(III) solutions and discusses their future applications (N Ajinkya et al., 2020).
  • Surface modification of magnetic iron oxide nanoparticles: Explores the surface engineering of iron oxide nanoparticles (IONPs) to enhance their functionality for various applications (N Zhu et al., 2018).
  • Recent advances on iron oxide magnetic nanoparticles as sorbents of organic pollutants in water and wastewater treatment: Discusses the use of iron oxide magnetic nanoparticles in removing organic pollutants from water, highlighting the synthesis of core-shell magnetic nanoparticles (AM Gutierrez et al., 2017).
  • Potential toxicity of iron oxide magnetic nanoparticles: Reviews the potential toxic effects of iron oxide magnetic nanoparticles, emphasizing their stability, biocompatibility, and size control (N Malhotra et al., 2020).
  • Co-precipitation in aqueous solution synthesis of magnetite nanoparticles using iron (III) salts as precursors: Details the synthesis process of iron oxide nanocrystals and their potential applications in various fields (MI Khalil, 2015).

Storage Class

12 - Non Combustible Liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Jens Baumgartner et al.
Nature materials, 12(4), 310-314 (2013-02-05)
The formation of crystalline materials from solution is usually described by the nucleation and growth theory, where atoms or molecules are assumed to assemble directly from solution. For numerous systems, the formation of the thermodynamically stable crystalline phase is additionally
Marina I Siponen et al.
Nature, 502(7473), 681-684 (2013-10-08)
Magnetotactic bacteria align along the Earth's magnetic field using an organelle called the magnetosome, a biomineralized magnetite (Fe(II)Fe(III)2O4) or greigite (Fe(II)Fe(III)2S4) crystal embedded in a lipid vesicle. Although the need for both iron(II) and iron(III) is clear, little is known
Yongxing Hu et al.
Journal of the American Chemical Society, 135(6), 2213-2221 (2013-01-26)
Controlled assembly of nanoparticles into asymmetric configurations is of great interest due to their novel properties and promising applications. In this Article, we report a generic strategy for the synthesis of dimer nanoclusters and asymmetric nanoassemblies by using magnetic colloidal
Leyong Zeng et al.
Nanoscale, 5(5), 2107-2113 (2013-02-06)
Multifunctional Fe(3)O(4)-TiO(2) nanocomposites with Janus structure for magnetic resonance imaging (MRI) and potential photodynamic therapy (PDT) were synthesized, in which Fe(3)O(4) was used as a MRI contrast agent and TiO(2) as an inorganic photosensitizer for PDT. Their morphology, structure, and
Lu Zhang et al.
Nanoscale, 5(17), 7664-7684 (2013-07-24)
Superparamagnetic iron oxide nanoparticles (SPIONs) have shown great promise in biomedical applications. In this review, we summarize the recent advances in the design and fabrication of core-shell and hetero-structured SPIONs and further outline some exciting developments and progresses of these
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