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Water-soluble porphyrin, as a kind of photosensitive agent and good anticancer modelcompound. may find wide application in the diagnosis and photo-dynamic therapy of can-cer. For its clinical uses. it is very important to elucidate the interaction mechanism ofporphyrin with DNA at molecular level. In 1990. when Turpin et al.studied the
It finds very wide application in the diagnosis and photo-dynamic therapy of can-cer. For its clinical uses. It is very important to elucidate the interaction mechanism of porphyrin with DNA at molecular level. In 1990. when Turpin et al. studied the