Colloidal gold consists of microscopic particles of gold suspended in liquid and is usually red or purple. It comes from shale or clay deposits. There has been much debate about the health benefits of ...

Colloidal gold is a kind of nanomaterial widely used in immunolabeling technology. Colloidal gold technology is a commonly used labeling technology, which is a new type of immune labeling technology ...

Scientists have measured the interaction of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike (S) protein with nano-gold colloids. These nanoparticles functionalized with the S ...

The European Commission’s (EC) Scientific Committee on Consumer Safety (SCCS) published a final opinion on June 28, 2021, on gold (nano), colloidal gold (nano), gold thioethylamino hyaluronic acid ...

The analysis of dyes in cultural heritage samples is a well-known challenging task, due to their inherent high tinting strength and consequent low concentration in the carrying matrix a fact that ...