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8 April 2005 Photobleaching of Photogem: a spectroscopic study in solution
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We have performed an experiment to investigate the degradation of the photosensitizer Photogem in solution. The investigation was carried out at 630 nm diode laser for different intensities. The light degradation considered was from light that could cause modification of the solution fluorescence spectra under excitation of 535 nm. Knowing the degradation rate as a function of intensity, one can infer the rate of degradation during PDT application and its process efficiency loss.
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Juliana Ferreira, Lilian Tan Moriyama, Cristina Kurachi, Orlando de Castro e Silva Jr., Claudio Sibata, and Vanderlei Salvador Bagnato "Photobleaching of Photogem: a spectroscopic study in solution", Proc. SPIE 5689, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XIV, (8 April 2005);

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