Novel invisible ink’ may help detect fake currency

Novel invisible ink’ may help detect fake currency

Greater Noida: Scientists at Shiv Nadar University here have developed a low-cost security ink that may help detect counterfeit currency, and could be employed in official documents and medical diagnosis. The new ink, described in the peer-reviewed Journal of Physical Chemistry C, offers improved security features compared to existing inks that are multi-component and, therefore, […]