International Journal of Photoenergy / 2014 / Article / Fig 2

Research Article

Photophysical Properties of Pheophorbide-a Derivatives and Their Photodynamic Therapeutic Effects on a Tumor Cell Line In Vitro

Figure 2

(a) Steady-state absorption spectra of PaDs. The details of -bands are shown in the inset. (b) Steady-state fluorescence ( = 507 nm) spectra of PaDs in toluene solution; PA (solid grey line) and HPA (dotted black line).