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747556 Sigma-Aldrich

Gold nanoparticles

5 nm diameter, silica coated, OD 1, dispersion in H2O

Synonym: Gold Colloid, Gold/Silica core/shell particles

  • Empirical Formula (Hill Notation) Au

  • Molecular Weight 196.97

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Properties

Related Categories 79: Au, Bioelectronics, Biosensing and Bioimaging, Gold Nanoparticle Suspension, Gold Nanoparticles,
material   silica
form   dispersion
concentration   ~6.6E+13 particles/mL
OD   1
diameter   5 nm
density   0.99345 g/mL at 25 °C
storage temp.   2-8°C

Description

Packaging

5 mL in poly bottle

Application

Webinar: Introduction to Gold Nanoparticles - Properties and Applications in Life Science

Our silica coated gold nanoparticles are highly stable and suitable for applications including: Sensing/Detection1, Biological Targeting2, and enhanced photoacoustics upon aggregation3. Silica coating has also been shown to enhance gold uptake in cells4.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
Flash Point(F) 
>230 °F
Flash Point(C) 
>110 °C

Documents

Certificate of Analysis

Protocols & Articles

Articles

Graphene-Based Composites and their Unique Renewable Energy Applications

Wen Qian, Andrew Y. Wang* Ocean NanoTech, LLC, San Diego, CA 92126, USA *Email: awang@oceannanotech.com
Keywords: Catalysis, Nanotubes, Oxidations, Purification, Recombination, Reductions, Renewable energy, Semiconductor, Separation

Silica-coated Gold Nanoparticles: Surface Chemistry, Properties, Benefits and Applications

In the past few decades, research and commercial use of gold nanoparticles has rapidly expanded into fields extending from biomedical engineering1 to photovoltaics.2 Most applications take advantage ...
Kimberly Homan, Ph.D., CTO, Nishi Viswanathan, MBBS, MA., Director, Product Development
NanoHybrids Inc.
Keywords: Absorption, Adsorption, Bacterial conjugations, Cancer, Catalysis, Centrifugation, Environmental, Gene expression, Infrared spectroscopy, Ligands, Melting, Nucleic acid hybridization, Pesticides, Photovoltaics, Raman spectroscopy, Reductions, Spectroscopy, transformation

Peer-Reviewed Papers
15

References

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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