Robuta

https://www.industryweek.com/none/article/21936192/production-and-uses-of-gold-nanomaterials Production and Uses of Gold Nanomaterials | IndustryWeek The global market for gold nanoparticles in biomedical, pharmaceutical and cosmetic applications was worth $204.6 million in 2006. uses of goldproductionnanomaterialsindustryweek