THE PHOTOTOXICITY OF 2,5-DIPHENYLOXAZOLE (POP) AND 1,4-BIS(5-PHENYLOXAZOL-2-YL)BENZENE (POPOP) |
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| Authors: | Jacques Kagan Chris P. Kolyvas Jeffery A. Jaworski Edgard D. Kagan Isabelle A. Kagan Li-Hsin Zang |
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| Affiliation: | Department of Chemistry, University of Illinois at Chicago, Box 4348, Chicago, IL 60680, USA |
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| Abstract: | Abstract 2,5-Diphenyloxazole (POP) is widely used for the determination of radioactivity by scintillation counting. It has been found to be phototoxic to the yeasts Saccharomyces cerevisiae and Candida utilis , to the first instar larvae of the mosquito Aedes aegypti , to the crustaceans Daphnia magna and Artemia salida , as well as to the eggs of Drosophila melanogaster . The related molecule 1,4-bis(5-phenyloxazol-2-yl)benzene (POPOP) is also phototoxic, but to a lesser degree. Both POP and POPOP can sensitize the formation of singlet oxygen. |
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