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716898

Sigma-Aldrich

Gold nanorods

carboxyl terminated, 10 nm diameter, λmax, 808 nm, dispersion in H2O

Synonym(s):

Au nanorods, Gold nanorod

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About This Item

MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

Quality Level

form

colloidal suspension
dispersion in H2O
nanorod

concentration

≥1800.0 μg/mL

diam. × L

10 nm × 41 nm ± 10%

impurities

<0.0001% CTAB

diameter

10 nm

pH

6-8

density

1 g/mL at 25 °C

λmax

808 nm

Mw/Mn

(<10% CV, monodispersity)
>95 (rods)

functional group

carboxylic acid

storage temp.

2-8°C

InChI

1S/Au

InChI key

PCHJSUWPFVWCPO-UHFFFAOYSA-N

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Application

  • Tuning of chemical interface damping in single gold nanorods through pH-dependent host-guest interactions using cucurbit[6]uril.: This study demonstrates how the functional properties of gold nanorods can be dynamically tuned using pH-sensitive interactions, opening new avenues for high-precision biosensing applications, crucial in both pharma and biotech industries (Kim and Ha, 2024).
  • Ultrasensitive SERS aptasensor using Au@Ag bimetallic nanorod SERS tags for the selective detection of amantadine in foods.: Gold nanorods are utilized to enhance the sensitivity of surface-enhanced Raman scattering (SERS) for detecting contaminants in food products, highlighting their role in ensuring safety and compliance in the food industry (Wang et al., 2024).
  • In situ pulmonary mucus hydration assay using rotational and translational diffusion of gold nanorods with polarization-sensitive optical coherence tomography.: This innovative application demonstrates the use of gold nanorods in medical diagnostics, specifically for assessing lung health, which is vital for respiratory research in clinical settings (Oeler et al., 2024).
  • 4D-STEM Mapping of Nanocrystal Reaction Dynamics and Heterogeneity in a Graphene Liquid Cell.: Highlights the application of gold nanorods in advanced materials research, particularly in visualizing nanoscale chemical reactions which are crucial for developing new nanomaterials for various industrial applications (Liu et al., 2024).

Physical properties

Do not freeze, quality lost if frozen even once. Please keep at approximately 4 °C

Legal Information

This product was produced under the methods claimed in U.S. Pat. Nos. 8,956,440 and 8,241,922

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Articles

Gold nanostructures such as nanorods, nanowires and microgold have found applications in exciting fields such as biomedical engineering, catalysis and diagnostics.

In many technologies, performance requirements drive device dimensions below the scale of electron mean free paths (λe). This trend has increased scientific interest and technological importance of electrical resistivities at the nanoscale.

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Inorganic nanomaterials are tunable by size, shape, structure, and/or composition. Advances in the synthesis of well-defined nanomaterials have enabled control over their unique optical, electronic, and chemical properties stimulating tremendous interest across a wide range of disciplines. This article illuminates some of the recent research advances of inorganic nanoparticles (NPs) in optoelectronics applications.

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