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Photobleaching Properties of Photosensitizers for Photodynamic diagnosis
ZHENG Wei-feng，LI Bu-hong, XIE Shu-sen, ZHOU Chuan-zhao
（School of Physics and Optoelectronics Technology，Fujian Normal University，Fuzhou，350007,China）
Abstract: Study the photobleaching properties of three photosensitizers（HpD、 PsD-007、HMME） at λ=514、488nm,C=2、3、5μg/ml and P=10、15、20mW. The experimental results show that the photobleaching time of photosensitizers relate to the type and concentration of photosensitizers, and to the power of irradiation laser. When λ=488 nm,C=2μg/ml、3μg/ml、5 μg/ml and P=5 mW, photobleaching time of HMME is 210 s , 240 s and 325 s .
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