Time-resolved Fluorescence Decay Study of Hematoporphyrin Derivative

Chin. Phys. Lett.

1991, Vol. 8

Issue (1): 40-43 DOI:

Original Articles

Time-resolved Fluorescence Decay Study of Hematoporphyrin Derivative

LIU Wenqing;XIA Yuxing;LIU Songhao;R. Ramponi^*;R. Cubeddu^*

Anhui Institute of Optics and Fine Mechanics, Academia Sinica, Hefei 230031 ^*CEQSE-CNR, Istituto di Fisica, Politecnico di Milano, Italy

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LIU Wenqing, XIA Yuxing, LIU Songhao et al 1991 Chin. Phys. Lett. 8 40-43

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Abstract Time-resolved fluorescence decays were first performed on hematoporphyrin derivative laser No.3 in buffer at different micelles concentration. The fluorescence lifetime constants, measured with a time-correlated single photon counting system, could be fitted by two or three exponential components with different relative peak amplitudes depending on the observation wavelength, thus indicating the presence of different emitting molecular species and/or of molecular species in different aggregational states.

Keywords: 78.47.+p 87.15.-v 36.20.-r

Published: 01 January 1991

PACS:	78.47.+p
	87.15.-v	(Biomolecules: structure and physical properties)
	36.20.-r	(Macromolecules and polymer molecules)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1991/V8/I1/040

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