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Communication | Regular issue | Vol 20, No. 6, 1983, pp.1027-1030
Published online, 1st January, 1970
DOI: 10.3987/R-1983-06-1027
Fluorescene and Phosphorescene Spectra of Firefly and Cypridina Oxyluciferins: A Question for the Multiplicity of the Excited States Produced in the Bioluminescent Systems

Nobutaka Suzuki, Takeshi Ueyama, Yasuji Izawa, Yoshiaki Toya, and Toshio Goto

*Faculty of Engineering, Mie University, 1515 Uehama-cho, Tsu, Mie 514-5807, Japan


Firefly oxyluciferin (1), the emitter of firefly bio- and chemiluminescence, gives identical FL and PL spectra under a certain condition. Hence, we showed that it would be necessary to examine the fluorescence and phosphorescence spectra before the identification of the multiplicity of the emitting species in the every bio- and chemiluminescence.