BBI's unique recipe gold nanoparticle has been used for over 20 years due to its superior quality and performance, and features in over 400 million tests in the global market place per year. We offer a 30nm gold which isideal for a number of applications including Lateral flow assays, TEM, SEM, Environmental detection and purification, Data storage, Drug delivery, Biomarkers, SERS, Photo-thermolysis, Catalysis Chemical sensors and DNA detection.