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Merck

938238

Sigma-Aldrich

Silicium(IV)-oxid

monodisperse, non-porous, 5 μm

Synonym(e):

Siliziumdioxid

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About This Item

Lineare Formel:
SiO2
CAS-Nummer:
Molekulargewicht:
60.08
MDL-Nummer:
UNSPSC-Code:
12352309

Qualitätsniveau

Form

powder

Partikelgröße

5 μm

Porengröße

non-porous

bp

2230 °C (lit.)

mp (Schmelzpunkt)

>1600 °C (lit.)

SMILES String

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChIKey

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Allgemeine Beschreibung

Our monodisperse, non-porous silica powder is a white powder composed of speherical particles, precisely engineered to achieve a monodisperse particle size of 5 µm with 99.99% purity. The microparticles do not contain any internal porosity or void spaces, making their surfaces impermeable to fluids or gases.

Anwendung

Monodisperse, non-porous silica particles have several applications in various research areas including drug delivery, molecular imaging, and environmental remediation. Owing to their stable chemical structure, ease of surface modification, and affinity toward various biomolecules, silica microparticles are an attractive platform for bioconjugation of drugs, proteins, DNA, and other biomarkers. Consequently, non-porous silica particles and their bioconjugates are used in biomedical applications for delivering or isolating drugs, proteins, polynucleotides, and more. Bioconjugation of non-porous silica often facilitates imaging techniques including optical imaging (fluorescence and bioluminescence), magnetic resonance imaging (MRI), radionuclide imaging, computed tomography (CT), ultrasound, photoacoustic imaging, and Raman imaging.,Apart from these applications, these monodisperse particles are also used in analytical applications, such as the stationary phase in columns for advanced, high-performance liquid chromatography.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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Die Dokumentenbibliothek aufrufen

Nonporous Silica Nanoparticles for Nanomedicine Application
Tang L, et al.
Nano Today, 8, 290-312 (2013)
Safety of Nonporous Silica Nanoparticles in Human Corneal Endothelial Cells
Kim J Y, et al
Scientific Reports, 7, 14566-14566 (2017)
Core-shell particles lead the way to renewing high-performance liquid chromatography
Gonzalez-Ruiz V, et al
TrAC, Trends in Analytical Chemistry, 64, 17-28 (2015)
Nano-Bio Interactions of Porous and Nonporous Silica Nanoparticles of Varied Surface Chemistry: A Structural, Kinetic, and Thermodynamic Study of Protein Adsorption from RPMI Culture Medium
Lehman S, et al.
Langmuir, 32, 731-742 (2016)
Sean E Lehman et al.
Langmuir : the ACS journal of surfaces and colloids, 32(3), 731-742 (2015-12-31)
Understanding complex chemical changes that take place at nano-bio interfaces is of great concern for being able to sustainably implement nanomaterials in key applications such as drug delivery, imaging, and environmental remediation. Typical in vitro assays use cell viability as

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