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Fe3O4@SiO2@Au core-shell nanoparticles

Based on

1 Articles
2014 Most recent source

Composition

Image only illustrates the order and placement of components as described in literature.

1

iron oxide nanoparticles

iron oxide nanocrystals magnetic nanocrystals Fe3O4 nanocrystals
Type Nano Material
Formula
Role core
2

silicon dioxide

silicic oxide silica
Type Single Compound
Formula SiO2
Role layer
3

(3-aminopropyl)trimethoxysilane moiety

(3-aminopropyl)trimethoxysilane moiety (3-aminopropyl)triethoxysilane moiety γ-aminopropyltriethoxy silane moiety 3-aminopropyltrimethoxysilane moiety γ-aminopropyltriethoxysilane moiety 3-aminopropyltriethoxysilane moiety (3-aminopropyl)trioxysilane moiety (3-aminopropyl)silanetrioxy group 3-aminopropylsilanetrioxy group 3-aminopropylsiloxy fragment 3-aminopropyl silane moiety 3-aminopropylsilane moiety γ-APTES moiety 3-APTS moiety APTES moiety APTMS moiety AMPS moiety APTS moiety APS moiety
Type Single Compound
Formula -C3H8NO3Si-
Role graft
4

gold

Type Single Compound
Formula Au
Role layer

Properties

General physical and chemical properties

Property Value Nanomaterial Variant Source
4-MBA Raman enhancement factor dependent on excitation wavelength

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Applications

Area Application Nanomaterial Variant Source
analysis methods

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Characterization

Method Nanomaterial Variant Source
dynamic light scattering

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Biological effects

Biological system Test details Nanomaterial Variant Source
HUVEC human umbilical vein endothelial cells

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Preparation

Method 1

Type: Chemical synthesis
Source:
Starting materials
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  2. ojdkbHtD9zVMiIRfEIbok8Iq9grdld4QONxfA6FWRgRWMKmYGmGY
Product

Fe3O4@SiO2@Au core-shell nanoparticles

Hydrodynamic diameter: 166 - 190 nm

Thickness: ~ 20 nm

Thickness: ~ 30 nm

Medium: water

Support: none

Method 2

Type: Physical formation
Source:
  1. DombK1jFBnl7ocdngW
Product

Fe3O4@SiO2@Au core-shell nanoparticles

Thickness: ~ 20 nm

Thickness: ~ 30 nm

Medium/Support: none

References

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