URAL FEDERAL UNIVERSITY IMAGE: TIMOFEY MOSEYEV HAS BEEN WORKING ON THE SENSOR CREATION SINCE 2015. CREDIT: URFU / REGINA PIDGAETSKAYA Chemists at the Ural Federal University have created a sensor for determining the human saliva pH. This is a fluorophore with strong and stable emission, which picks up the smallest fluctuations in the pH(tenths) in...