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730807

Sigma-Aldrich

Silver, dispersion

nanoparticles, 40 nm particle size (TEM), 0.02 mg/mL in aqueous buffer, contains sodium citrate as stabilizer

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Synonym(s):
Colloidal silver
Linear Formula:
Ag
CAS Number:
Molecular Weight:
107.87
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

form

nanoparticles

Quality Level

contains

sodium citrate as stabilizer

concentration

0.02 mg/mL in aqueous buffer

refractive index

n20/D 1.333

particle size

40 nm (TEM)

density

0.990 g/mL at 25 °C

fluorescence

λem 412 nm FWHM 63 nm

storage temp.

2-8°C

SMILES string

[Ag]

InChI

1S/Ag

InChI key

BQCADISMDOOEFD-UHFFFAOYSA-N

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Application

  • Silver as acrolein hydrogenation catalyst: intricate effects of catalyst nature and reactant partial pressures.: This study explores the use of silver as a catalyst for acrolein hydrogenation, highlighting the complex effects of catalyst nature and the partial pressures of reactants, which could inform future applications in industrial chemical processes (Bron et al., 2007).
  • Surface-enhanced Raman analysis of sulfa drugs on colloidal silver dispersion.: This research discusses the application of surface-enhanced Raman spectroscopy (SERS) using colloidal silver dispersions for analyzing sulfa drugs, potentially enhancing detection methods in pharmaceutical research (Sutherland et al., 1990).

Pictograms

Environment

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Guang Zhao et al.
Chemosphere, 229, 169-180 (2019-05-12)
Although silver nanoparticles (AgNPs) are used in various commercial products, the biological effects of AgNPs on fish embryogenesis and the underlying molecular mechanisms are still poorly understood. In this study, both touch responses and neuron membrane potential were found to

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