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. 2001 Sep 14;57(11):2271-83.
doi: 10.1016/s1386-1425(01)00476-0.

New fluorescent markers for the red region

J Arden-Jacob  1 , J Frantzeskos, N U Kemnitzer, A Zilles, K H Drexhage
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New fluorescent markers for the red region

J Arden-Jacob et al. Spectrochim Acta A Mol Biomol Spectrosc. .

Abstract

Two new classes of fluorescent dyes have been developed as labels for the red region of the spectrum: amide-bridged benzopyrylium dyes and carbopyronin dyes. The fluorescence quantum yield ranges from 20 to 90%, the decay time from 1 to 4 ns. The pH- and solvent-dependence of absorption and fluorescence are described in detail. Covalent attachment is possible via activated carboxyl groups.

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