Sigma-Aldrich Silver Dispersion Nanoparticles 40Ánm&

Name: Sigma-Aldrich Silver Dispersion Nanoparticles 40Ánm&
SKU: SIAL-730807-250ML
Price: 454.25 USD

List Price $454.25 Your Price $454.25

Sigma-Aldrich Silver Dispersion Nanoparticles 40Ánm& - SIAL (Additional S&H or Hazmat Fees May Apply)

NETA PART: SIAL-730807-250ML

MFG.PART: 730807-250ML

UNSPSC: 12350000

Manufacturer: Sigma-Aldrich

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Description

form

nanoparticles

Quality Level

100

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

λ_em 412 nm FWHM 63 nm

storage temp.

2-8°C

SMILES string

[Ag]

InChI

1S/Ag

InChI key

BQCADISMDOOEFD-UHFFFAOYSA-N

General description

Our silver nanoparticles (40 nm in diameter) are spherical nanoparticles of metallic silver dispersed in an aqueous citrate buffer. This buffer stabilizes the dispersion; citrate ions adsorb onto the surface of the silver nanoparticles and create a protective layer that prevents aggregation. Because of the nanoparticles′ small size the nanoparticles exhibit quantum confined optical properties, most notably an emission wavelength of (λem) of412 nm with a full width at half maximum (FWHM) of only 63 nm, owing to the monodispersity of the particles. The optoelectronic properties in combination with a high surface area make our silver nanoparticles useful in biosensors and fluorescent imaging for the sensitive detection of biomolecules, pathogens, and environmental contaminants.

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

GHS09

signalword

Warning

hcodes

H410

pcodes

P273 - P391 - P501

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c