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LIGHT IRRADIATION METHOD, LIGHT IRRADIATION DEVICE, LIGHT IRRADIATION SYSTEM, DEVICE SYSTEM FOR PHOTODYNAMIC DIAGNOSIS OR PHOTODYNAMIC THERAPY, SYSTEM FOR SPECIFYING TUMOR SITE AND SYSTEM FOR TREATING TUMOR
LIGHT IRRADIATION METHOD, LIGHT IRRADIATION DEVICE, LIGHT IRRADIATION SYSTEM, DEVICE SYSTEM FOR PHOTODYNAMIC DIAGNOSIS OR PHOTODYNAMIC THERAPY, SYSTEM FOR SPECIFYING TUMOR SITE AND SYSTEM FOR TREATING TUMOR
To provide a light irradiation method using a pulse laser, said light irradiation method being applicable to PDD and/or PDT technology, and a system for treating tumor having an enhanced tumoricidal effect.Provided is a light irradiation method comprising irradiating a cell, into which a photosensitive compound capable of generating singlet oxygen has been incorporated, with a pulse laser having a wavelength within the Soret band. The pulse width of the pulse laser can be controlled to not more than 100 psec and the aforesaid wavelength can be controlled to 405±10 nm. As the photosensitive compound capable of generating singlet oxygen, a drug for photodynamic therapy (PDT) or a drug for photodynamic diagnosis (PDD) is usable.
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