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MilliporeSigma

914622

Sigma-Aldrich

Silica nanoparticles

pore size non-porous, 500 nm particle size, 5 % (w/w) in water, dispersion

Synonym(s):

Monodisperse silicon dioxide, Non-porous silica, Non-porous silicon dioxide, Silica

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2 ML
$220.00

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About This Item

Empirical Formula (Hill Notation):
SiO2
CAS Number:
Molecular Weight:
60.08
MDL number:
UNSPSC Code:
12352309
NACRES:
NA.23

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form

dispersion
nanoparticles

Quality Level

concentration

5 % (w/w) in water

particle size

500 nm

pore size

non-porous

SMILES string

[Si](=O)=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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1 of 4

This Item
914126914142914886
particle size

500 nm

particle size

300 nm

particle size

900 nm

particle size

700 nm

form

dispersion, nanoparticles

form

dispersion, nanoparticles

form

dispersion

form

dispersion, nanoparticles

concentration

5 % (w/w) in water

concentration

5 % (w/w) in water

concentration

5 % (w/w) in water

concentration

5 % (w/w) in water

pore size

non-porous

pore size

non-porous

pore size

non-porous

pore size

non-porous

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

Application

Monodisperse nonporous silica nanoparticles find application in drug delivery and molecular imaging[1][2] whereas micron sized particles are used in liquid chromatography[3]. We offer highly monodisperse nonporous silica in aqueous solution, with sizes varying from 150 nm to 900 nm. The high monodispersity of our particles makes them suitable for aforementioned applications.

Storage Class

12 - Non Combustible Liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


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Martha Kim et al.
Scientific reports, 7(1), 8238-8238 (2017-08-16)
Nonporous silica nanoparticles (SiNPs) have potential as promising carriers for ophthalmic drugs. However, the in vivo safety of ocular topical SiNPs remains unclear. This study investigated the in vivo safety of oral and ocular topical applications of 100 nm-sized SiNPs in
Li Tang et al.
Nano today, 8(3), 290-312 (2013-09-03)
Nanomedicine, the use of nanotechnology for biomedical applications, has potential to change the landscape of the diagnosis and therapy of many diseases. In the past several decades, the advancement in nanotechnology and material science has resulted in a large number

Articles

Nonporous SiNPs are investigated as nanocarriers for drug delivery and smart plastics due to monodispersed particles.

Questions

1–2 of 2 Questions  
  1. 1. Is it pure SiO₂ or surface-treated SiO₂? 2. Are there additives such as surfactants present?

    1 answer
    1. This product is unfunctionalized SiO2. Additionally, no additives such as surfactants are indicated to be present in this product.

      Helpful?

  2. Does the material contain surfactant to aid in dispersibility? Also, what is the zeta potential of this SiO2 nanoparticle and pH of this suspension?

    1 answer
    1. This product is unfunctionalized SiO2, and no additives like surfactants are indicated to be present. Zeta potential and pH are not tested for this product.

      Helpful?

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