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Merck

725358

Sigma-Aldrich

Eisenoxid(II,III), magnetische Nanopartikel -Lösung

10 nm avg. part. size, 5 mg/mL in H2O

Synonym(e):

Magnetische Eisenoxid Nanokristalle, Magnetit, Superparamagnetische Eisenoxid Nanopartikel

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About This Item

Empirische Formel (Hill-System):
Fe3O4
CAS-Nummer:
Molekulargewicht:
231.53
MDL-Nummer:
UNSPSC-Code:
12352302
PubChem Substanz-ID:
NACRES:
NA.23

Form

dispersion
nanoparticles

Qualitätsniveau

Konzentration

5 mg/mL in H2O

Magnetisierung

>45 emu/g, at 4500Oe

Durchschnittliche Teilgröße

10 nm

Partikelgröße

9-11 nm (TEM)

Dichte

1.00 g/mL at 25 °C

SMILES String

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

InChI

1S/3Fe.4O

InChIKey

SZVJSHCCFOBDDC-UHFFFAOYSA-N

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Allgemeine Beschreibung

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

Anwendung



  • Optical resolution of ephedrine: A study explored the optical resolution of racemic ephedrine using various derivatives of tartaric acid, presenting a method that could refine the production of pharmaceutical-grade ephedrine hydrochloride (Bánhegyi et al., 2022).


  • Stereoselective forensic analysis: Supercritical fluid chromatography coupled with tandem mass spectrometry was used to perform a stereoselective analysis of ephedrine and its isomers in seized methamphetamine samples, offering insights into forensic applications of ephedrine hydrochloride (Segawa et al., 2021).


  • Chiral analysis of stimulants: A chiral high-performance liquid chromatography-tandem mass spectrometry method was applied to determine amphetamine-type stimulants, including ephedrine, in forensic samples, providing a tool for the precise separation and identification of chiral drugs (Schwelm et al., 2020).


Lagerklassenschlüssel

12 - Non Combustible Liquids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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Aman Khurana et al.
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To determine whether intravenous ferumoxytol can be used to effectively label mesenchymal stem cells (MSCs) in vivo and can be used for tracking of stem cell transplants. This study was approved by the institutional animal care and use committee. Sprague-Dawley
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
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
Maoquan Chu et al.
Biomaterials, 34(16), 4078-4088 (2013-03-08)
The photothermal effect of Fe3O4 magnetic nanoparticles is investigated for cancer therapy both in vitro and in vivo experiments. Heat is found to be rapidly generated by red and near-infrared (NIR) range laser irradiation of Fe3O4 nanoparticles with spherical, hexagonal and wire-like
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

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