Gold Colloid
BBI's unique recipe gold colloid (colloidal gold) has been used for over 25 years due to its superior quality and performance. The optical properties of gold at the nanoscale means there is a variation in colour from red to pink to orange depending on nanoparticle size, a property that can be successfully exploited in a range of applications. Additionally, gold nanoparticles are now known to be catalytically active for a range of commercially important reactions.
BBI’s colloidal gold offers excellent stability and sensitivity characteristics, and as the market has grown to expect higher levels of sensitivity, gold has increasingly become regarded as an extremely reliable raw material in providing an accurate visual signal.
Our gold colloid is available in a wide range of pre-determined sizes and is supplied ready for conjugation. BBI’s gold colloid has a shelf life of 12 months when stored unopened at 4°C.
High OD gold colloid is also available – please visit the services section.
Gold Colloid
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