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Sigma-Aldrich

Gold

evaporation slug, diam. × L 0.3 cm × 0.6 cm, 99.99% trace metals basis

Synonym(s):

Gold Powder, Gold element

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About This Item

Empirical Formula (Hill Notation):
Au
CAS Number:
7440-57-5
Molecular Weight:
196.97
EC Number:
231-165-9
MDL number:
MFCD00003436
UNSPSC Code:
12141717
PubChem Substance ID:
24863194
NACRES:
NA.23

Quality Level

100

Assay

99.99% trace metals basis

form

evaporation slug

resistivity

2.05 μΩ-cm, 0°C

diam. × L

0.3 cm × 0.6 cm

weight

800 mg (one slug)

bp

2808 °C (lit.)

mp

1063 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

SMILES string

[Au]

InChI

1S/Au

InChI key

PCHJSUWPFVWCPO-UHFFFAOYSA-N

General description

Gold evaporation slugs are chiefly employed in decorating nanoparticles which possess unique characteristics such as plasmon resonance and catalytic effects.

Application

  • Gold nanoparticles in diagnostics and therapeutics for human cancer: Discusses the bio-applications of gold nanoparticles, particularly in cancer diagnostics and therapy, highlighting their low immunogenicity and potential for targeted drug delivery (Singh et al., 2018).
  • Chemical and physical heterogeneity within native gold: This study provides insights into the heterogeneity of gold and its implications for various scientific studies, which is crucial for understanding gold′s physical and chemical properties in natural settings (Chapman et al., 2021).
  • Gold nanoparticles for biology and medicine: Provides a comprehensive overview of the utilization of gold nanoparticles in biological and medical applications, emphasizing their unique properties that benefit drug delivery systems and therapeutic agents (Giljohann et al., 2015).
  • Surface plasmon resonance in gold nanoparticles: A detailed review focusing on the surface plasmon resonance properties of gold nanoparticles and their applications in sensing, imaging, and other technologies (Amendola et al., 2017).

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Gas-phase production of gold-decorated silica nanoparticles
Boies AM, et al.
Nanotechnology, 22(31) (2011)
From Si source gas directly to positioned, electrically contacted Si nanowires: the self-assembling ?grow-in-place approach
Shan Y, et al.
Nano Letters, 49(11), 2085-2089 (2004)
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Journal of biomedical nanotechnology, 9(6), 985-991 (2013-07-19)
In this paper, we proposed the use of gold nanoparticles as plasmon scattering probes for dark-field multiplex imaging of live cancer cells. By carefully engineering the surfaces, aqueous dispersions of anti-EGFR antibody-conjugated gold nanospheres and gold nanorods are prepared. We
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Journal of biomedical nanotechnology, 9(6), 1060-1064 (2013-07-19)
We report on the enhancement of sensitivity of SPR biosensor by modifying the metal surface. A mixture layer, in which gold and dielectric medium coexist, was simply prepared by increasing the roughness of gold surface deposited onto a glass substrate
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Ischemic stroke is a leading cause of death and disability, and the treatment options are limited. Recent studies demonstrated that the promising applications of gold nanoparticles (Au-NPs) as intrinsic therapeutics; however, little is known about the effect of Au-NPs on
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