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Photobleaching Properties of Photosensitizers for Photodynamic diagnosis
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ZHENG Wei-feng£¬LI Bu-hong, XIE Shu-sen, ZHOU Chuan-zhao
£¨School of Physics and Optoelectronics Technology£¬Fujian Normal University£¬Fuzhou£¬350007,China£©
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Abstract: Study the photobleaching properties of three photosensitizers£¨HpD¡¢ PsD-007¡¢HMME£© at ¦Ë=514¡¢488nm,C=2¡¢3¡¢5¦Ìg/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 ¦Ë=488 nm,C=2¦Ìg/ml¡¢3¦Ìg/ml¡¢5 ¦Ìg/ml and P=5 mW, photobleaching time of HMME is 210 s , 240 s and 325 s .
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