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KMID : 0893319900050010045
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Journal of Environmental Toxicology
1990 Volume.5 No. 1 p.45 ~ p.50
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Comparative Study on Red Blood Cell Hemolysis and Yeast Test by Photosensitizing Compounds
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Kim Bong-Hee
Baek Kwang-Heum
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Abstract
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In order to investigate the phototoxicity of five phenothiazine derivatives and one thioxanthen derivative were examined by using in vitro method based on growth inhibition of Candida albicans and red blood cell hemolysis. Effects of the test compounds on RBCs were monitored with a spectrophotometer and a drug PI in the Candida albicans was calculated on the basis of the lowest concentration giving a yeast-free zone. All phenothiazines phototoxic in the red blood cell hemolysis method were positive in the yeast test except promethazine. It was also observed that toxic photo-products were formed by perphenazine and chlorpromazine in the red blood cell hemolysis.
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