Towards the direct detection of viral materials at the surface of protective face masks via infrared spectroscopy. - Schorer, Vanessa; Haas, Julian; Stach, Robert; Kokoric, Vjekoslav; Groß, Rüdiger; Muench, Jan; Hummel, Tim; Sobek, Harald; Mennig, Jan; Mizaikoff, Boris (Scientific Reports, 2022)