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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Fluorescent derivatives of thromboxane B
2
: Synthesis, spectroscopic and immunologic properties
Talanta, Volume 41, No. 4, Year 1994
Notification
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Description
Thromboxane B2 has been labeled by four fluorescent probes structurally related to coumarin (4-bromomethyl-7-methoxycoumarin, 7-[(chlorocarbonyl) methoxy]-4-methylcoumarin, 4-luminarin) or anthracen (panacyl bromide). The purity of the derivatives determined by liquid chromatography was over 90%. The extinction coefficient, Stokes' shift, quantum yield, life-time and the anisotropy of the emitted fluorescence were determined. Immunorecognition of thromboxane B2 derivatives was checked by competition immunoassays. Among the derivatives tested, that obtained with 4-luminarin has a suitable Stokes' shift (95 nm), a quantum yield of 0.46, a single value of excited state life-time (9.3 nsec), a well-preserved immunorecognition and a good chemical stability. Preliminary results in competition experiments showed variations in fluorescence anisotropy correlated to thromboxane B2 concentration. © 1994.
Authors & Co-Authors
Gueddour, Rachid Ben
France, Nancy
Laboratoire Cnrs Centre du Médicament, Nancy
Morocco, Kenitra
Faculty of Science, Ibn Tofail University
Matt, Muriel
France, Nancy
Laboratoire Cnrs Centre du Médicament, Nancy
Muller, Sylvaine
France, Paris
Inserm
Donner, Mireille
France, Paris
Inserm
El-Haloui, N.
Morocco, Kenitra
Faculty of Science, Ibn Tofail University
Nicolas, Alain
France, Nancy
Laboratoire Cnrs Centre du Médicament, Nancy
Statistics
Citations: 6
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1016/0039-9140(93)E0011-2