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silica nanoparticles

Based on

1401 Articles
108 Patents
2017 Most recent source

Composition

1

silicon dioxide

silicic oxide silica
Type Single Compound
Formula SiO2
Role raw materials

Properties

General physical and chemical properties

Property Value Nanomaterial Variant Source
colloidal stability

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density
Nitrogen adsorption/desorption
Pore volume
Porosity
refractive index
specific surface area
Surface area
water contact angle
Zeta potential
zeta potential

Catalytic properties

Reaction Value Nanomaterial Variant Source
conversion of hydrogen peroxide into hydroxyl radicals

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Sensor properties

Type of sensor Sensor property Nanomaterial Variant Source
compounds sensor for acetaldehyde in air

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Applications

Area Application Nanomaterial Variant Source
adsorbents/absorbers/ion exchange materials

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analysis methods
catalysis
coatings
diagnostics
drug delivery
electronics
medicine/veterinary
nanobiotechnology
other
power generation
raw materials/precursors/templates
sensors (excluding biosensors)

Characterization

Method Nanomaterial Variant Source
atomic force microscopy

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differential scanning calorimetry
differential thermal analysis
dynamic light scattering
energy dispersive X-ray spectroscopy
field emission scanning electron microscopy
fluorescence spectroscopy
high-resolution transmission electron microscopy
infrared spectroscopy
nanoparticle tracking analysis
nuclear magnetic resonance spectroscopy
optical microscopy
other
photoluminescence
scanning electron microscopy
selected area electron diffraction
small angle X-ray diffraction
small angle X-ray scattering
thermogravimetric analysis
transmission electron microscopy
UV
UV-Vis spectroscopy
UV-Vis-NIR optical spectroscopy
wide angle X-ray diffraction
X-ray diffraction
X-ray photoelectron spectroscopy

Biological effects

Biological system Test details Nanomaterial Variant Source
3D atherosclerosis arterial-wall model composed of endothelial-cell layers and underlying 5-layered smooth muscle cells

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Preparation

Method 1

Type: Chemical synthesis
Source:
Starting materials
  • water
  • silicic acid tetraethyl ester
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  5. LiR
Product

silica nanoparticles

Size: 34 nm

Medium/Support: none

Method 2

Type: Chemical synthesis
Source:
Starting materials
  • water
  • silicic acid tetraethyl ester
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  3. UwMUm2bB
Product

silica nanoparticles

Pore diameter: 3.1 nm

Size: 189 - 301 nm

Medium/Support: none

Method 3

Type: Physical formation
Source:
Starting materials
Product

silica nanoparticles

Diameter: 246 nm

Hydrodynamic diameter: 201 nm

Medium: isopropyl alcohol

Support: none

Method 4

Type: Chemical synthesis
Source:
Starting materials
  • silicic acid tetraethyl ester
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  2. I1BT70Jiyn6tP0rxNYMjCtDSgVXmjz
  3. GRlscXveyyAVbA3y
  4. lJbMuA5
  5. YCscMkSu
Product

silica nanoparticles

Diameter: ~ 100 nm

Pore size: 2.0 - 2.6 nm

Medium/Support: none

Method 5

Type: Physical formation
Source:
Starting materials
Product

silica nanoparticles

Diameter: 50 nm

Medium: Hanks' balanced salt solution

Support: none

References

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