In Vivo Photochemotherapy With Hematoporphyrin Derivative Via Two-Step Excitation

"In vivo" photochemotherapy with Hematoporphyrin Derivative via two -step excitation"A.Andreoni, R.Cubeddu, O.Svelto, G.F.Canti* and L.Ricci*Centro di Elettronica Quantistica e Strumentazione Elettronica del C.N.R.c/o Istituto di Fisica del PolitecnicoPiazza Leonardo da Vinci 32, 20133 Milano, Italy* Istituto di Farmacologia, Universita, Milano, ItalyAbstractHigh peak -power nanosecond laser pulses generated by excimer -pumped dye lasers are uti-lized to induce the formation of cytotoxic photoproducts of Hematoporphyrin Derivative.