UVA irradiation of riboflavin generates oxygen-dependent hydroxyl radicals - Sel, Saadettin; Naß, Norbert; Pötzsch, Sandy; Trau, Stefanie; Simm, Andreas; Kalinski, Thomas; Duncker, Gernot; Kruse, Friedrich E.; Auffarth, Gerd U.; Brömme, Hans-Jürgen (Redox report, 2014)