Lichen-based bio-mechanochemical synthesis of silver nanoparticles with antibacterial activity / Matej Baláž, Michal Goga, Margaréta Marcinčinová, Nina Daneu, Ľudmila Balážová, Mária Kováčová, Michal Hegedüs, Ľudmila Tkáčiková, Martin Bačkor KE304