Fig. 2
From: Direct photo-patterning on anthracene containing polymer for guiding stem cell adhesion
a Fluorescence spectra change of a PMAn film depending on UV irradiation time, from top of bottom, 0, 1, 2, 3, 4, 5 min under air. b Normalized FL intensity change of the film at 535 nm at different dose under air and argon condition. Film thickness: 185 nm