Colloidal Gold

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At Expedeon we use specialized techniques that enable the production of extremely uniform spherical particles with a very narrow size distribution, minimizing variability within your assay.  Using our proprietary production protocols we can very quickly produce large quantities of gold nanoparticles, without compromising on quality and passing on the savings to you.

Did you know…

It is possible to check the quality of a gold colloid using a simple test that takes only a couple of minutes, without the need of a TEM. Download our guide today, simply fill in the form and receive your personal copy >>>

Why choose our gold?

We can supply any of our colloidal gold in quantities to suit your research and manufacturing needs. Our bulk products have the same high level of performance and quality as our off-the-shelf products only on a larger scale.

  • Different sizes available – 10, 20, 40 and 80 nm diameter
  • Different concentrations (OD) available
  • Exceptional sphericity and narrow size distribution (CV < 10%)
  • Fully scalable production (up to 300L)
  • ISO9001 accredited manufacturing & Stringently QC tested, ensuring batch-to-batch consistency and reliability

Expedeon’s gold nanoparticle production process allows particularly tight control of shape, completely preventing the formation of irregular structures seen in all other commercial products (Fig 1). Our colloidal gold is superior when compared in a lateral flow assay against uncoated gold from a leading supplier (Fig 2).

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Figure 1. Transmission electron microscopy of commercially available gold particles. Note that the Expedeon particles (bottom right) have the most regular shape.
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Figure 1. Transmission electron microscopy of commercially available gold particles. Note that the Expedeon particles (bottom right) have the most regular shape.

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