Hydroalcoholic gels and other sanitising solutions have become part of our everyday life. Hand disinfection with these products helps prevent the transmission of infectious diseases, including COVID-19. However, it has been estimated that 89% of the population leaves some incorrectly disinfected areas on their hands after gel application, which can pose a risk as pathogens and other bacteria

might proliferate there. To help reduce this risk, researchers at the Nanophotonics Technology Center, a research institute of the Universitat Politècnica de València (UPV), have developed a luminescent hydroalcoholic gel that makes it possible to determine the quality of hand disinfection by luminescence. The gel, which has been patented by the UPV, is the main result of the LEGO Project, which has received funding from the Valencian Innovation Agency (AVI) and support from the Valencian Government. The gel incorporates completely safe luminescent particles, so that it both sanitises skin and monitors its degree of disinfection in an immediate, safe, simple, economical and routine way. It can therefore be used at the entrance to any place where disinfection is required, thus guaranteeing the safety of all those who enter there.

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