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791342

Sigma-Aldrich

Silica, nanoparticle dispersion in water

<50 nm (DLS), triethoxylpropylaminosilane functionalized

Synonym(s):

NH2 functionalized NPs

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About This Item

UNSPSC Code:
12352302
NACRES:
NA.23

Quality Level

form

dispersion
nanoparticles

shelf life

1 yr

concentration

in water (Dispersion)

particle size

<50 nm (DLS)

functional group

amine

storage temp.

20-25°C

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General description

Composition of nanoparticles non-crystalline colloidal SiO2 particles
Dispersion loading and medium (27 ± 3) wt.-% in water
Particle size d90 (volume distribution; DLS) < 50 nm
pH 2 ± 1
Density (1.2 ± 0.1) g/l
Primary particle size < 20 nm
Surface modification using Triethoxylpropylaminosilane

Application

Silica nanoparticles play a crucial role in biotechnology including bone engineering and drug delivery. The amino functionality present on the surface of these materials provide a synthetic handle for further modification and conjugation to target moieties. Amino functionalized silica particles can be used for applicaitons including in vivo gene delivery, nanocomposite formation, and formation of biofilms.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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