Now we’ve invented next-generation fluorescent inks that will present a formidable challenge to counterfeiters. Images printed from these new inks display colors that depend on a type of built ...

Invisible inks could help foil counterfeiters of all kinds Date: April 22, 2015 Source: Northwestern University Summary: Scientists have invented sophisticated fluorescent inks that one day could ...

How is this possible? Northwestern University scientists have invented new advanced fluorescent inks – revealed through a phone’s ultraviolet light – that serve as the product barcodes of ...

fluorescent paint was prepared using white shellac colored with fluorescent dyes and dissolved in alcohol—a product not suitable for mixing with oily printing ink varnishes. Joe developed a process ...