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A new generation of photosensitizers for photodynamic therapy (PDT) has been investigated. Different amino acids were bound to protoporphyrin (PP). Two methods of determination the quantum yield of generated singlet oxygen in porphyrin solutions were investigated. In the first method, tryptophan was used as a singlet oxygen acceptor. In the second one, the amount of singlet oxygen was determined by...
An new generation of photosensitizers for photodynamic therapy (PDT) has been investigated. Different amino acids (Ala, Ser, Thr, Phe and Trp) were bound to protoporphyrin (PP). The quantum yield of fluorescence of porphyrin solutions was investigated. Fluorescence spectra and lifetimes of excited porphyrins were determined, too. The purpose of this work was to evaluate the quantum yield of fluorescence...
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