Fig. 10From: Recent advances in M13 bacteriophage-based optical sensing applicationsReproduced with permission from American Chemical Society © 2016 a Tryptophan fluorescence emission spectra of native M13 phage and ZP-M13 under 295 nm excitation. b Molar extinction coefficient (absorption), c transient absorption at 400 nm, and d fluorescence spectra of ZnDPEG, ZP-M13-1, and ZP-M13-2 under 400 nm excitation. The insert in b shows a magnified emission spectrum around 550 nm, and the insert in d shows a magnified emission spectra of ZP-M13-2 [108].Back to article page