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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Photochem Photobiol. 2012 Jun 6;88(5):1273–1279. doi: 10.1111/j.1751-1097.2012.01171.x

Figure 1.

Figure 1

Representative (a) fluorescence and (b) reflectance spectra taken in vivo from the same EMT6 tumor illustrate photobleaching of Pc 4 in response to PDT. The pre-Pc 4 reflectance spectrum was taken before administration of Pc 4 and pre-PDT spectra were taken immediately after IT injection of 0.03 mg/kg Pc 4. Post-PDT spectra were taken immediately after conclusion of irradiation (100 J/cm2). Both sets of spectra were background subtracted and corrected for the wavelength-dependent system response. Fluorescence spectra were additionally divided by the corresponding reflectance spectra as described in the text.