The basic working principle of colorimetric sensing is colorimetry, which is a visible change in color that results from a chemical interaction between the sensing/detecting material and the target ...

Occasionally referred to as ‘colloidal gold,’ gold colloid is a suspension comprising sub-micron gold nanoparticles suspended in a solvent - most commonly water. Gold nanoparticles' distinct ...

Nanomedicines, especially those based on nanoparticles, are revolutionizing healthcare in terms of both diagnostics and therapeutics. These particles, often containing metals like iron or gold, can ...

Some key applications of gold nanoparticles include photonics, medicine and catalysis. 3 Gold nanoparticles have a high absorption cross-section in the visible and infrared regions, which can be tuned ...

A team of researchers has developed a novel method to enhance the precision of cancer treatment using gold nanoparticles tagged with DNA barcodes. A team of researchers from the National University of ...