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. 2014 Nov 11;9(11):e111617. doi: 10.1371/journal.pone.0111617

Figure 7. Formation of new fluorescence species and changes in thermal unfolding of the human extracellular EGFR upon UV illumination.

Figure 7

(A) Fluorescence emission spectra of human extracellular EGFR (sEGFR) samples recorded upon 320 nm excitation after 280 nm illumination for 0 min, 15 min, 30 min, 45 min, 60 min and 75 min. (B) Fluorescence emission spectra of sEGFR recorded upon 360 nm excitation after 280 nm illumination for 0 min, 15 min, 30 min, 45 min and 75 min. (C) Fluorescence excitation spectra of sEGFR obtained with fluorescence emission fixed at 400 nm after 280 nm illumination for 0 min, 15 min, 30 min, 45 min, 60 min and 75 min.