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Spectroscopic studies of aqueous solutions of haematoporphyrin-type sensitisers reveal that photobleaching during eposure to light is followed by the formation of stable red-absorbing photoproducts. Experiments in model systems (sensitisers bound to human serum albumin or in a suspension of resealed erythrocyte ‘ghosts’) and in tumour tissue show that similar photomodification takes place in all investigated...
AbstractSpectroscopic studies of aqueous solutions of haematoporphyrin-type sensitisers reveal that photobleaching during eposure to light is followed by the formation of stable red-absorbing photoproducts. Experiments in model systems (sensitisers bound to human serum albumin or in a suspension of resealed erythrocyte ghosts) and in tumour tissue show that similar photomodification takes place in...
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