Gold Colloid: 20nm -20ml

Maximise the number of tests per litre with BBI Solutions’ Gold Colloid.

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Gold Colloid: 20nm -20ml

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#SKU EM.GC20/4


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Product Details

BBI Solutions’ gold colloid is cost-efficient and renowned for enhancing assay sensitivity and stability. BBI's unique gold nanoparticle recipe has been used for over 20 years due to its superior quality, performance, and features. Our gold colloid is used in over 400 million tests in the global marketplace per year.

Our proprietary gold colloid manufacturing technique allows for the production of large-volume batches of gold to a high level of reproducibility of size, dispersion, and shape, and we maintain this through tight quality control release specifications. This ensures a firm foundation for conjugation and peace of mind that your assay will provide reliable results.

We offer a 20nm gold which is ideal for a number of applications, including Lateral flow assays, TEM, SEM, Environmental detection and purification, data storage, biomarkers, SERS, photo-thermolysis, catalysis, chemical sensors and DNA detection.

To be used for research and/or further manufacturing purposes and is not to be used in humans or animals.


More information



  • Shipping Information
  • Ambient Shipping
  • Reference Texts
  • Oh, Jusung et al. “A hook effect-free Immunochromatographic assay (HEF-ICA) for measuring the C-reactive protein concentration in one drop of human serum.” Theranostics vol. 8,12 3189-3197. 10 May. 2018, doi:10.7150/thno.24034Karakus, Cebrail, Zeynep Ulupinar, Fahri Akbas, and Duygu Yazici. “Detection of Anti-CagA Antibodies in Sera of Helicobacter pylori-Infected Patients Using an Immunochromatographic Test Strip.” Journal of Chromatographic Science Advance Article (0015).
  • Specification
  • OD1, Mean size = 19.0nm - 21.0 nm, %CV = <8%
  • Recommended Use
  • Lateral Flow
  • Preservatives
  • None
  • Buffer
  • Purified Water
  • Capping Agent
  • Citrate
  • Optical Density
  • OD1
  • Particle Size
  • 20nm

Technical Documents

Example Datasheet (96.71KB)

Safety Data Sheet (87.46KB)

Product Information (373.96KB)

Data Sheets (97.03KB) Lot 21030150

Data Sheets (97.06KB) Lot 21010057

Data Sheets (96.81KB) Lot 21050040

Data Sheets (96.37KB) Lot 21020132

Data Sheets (97.06KB) Lot 21040158

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