Anion-lnduced Fluorescence Quenching of a New Zwitterionic Biacridine Derivative

URN to cite this document:: urn:nbn:de:bvb:355-epub-210854

Werner, Tobias ; Fähnrich, Karsten ; Huber, Christian ; Wolfbeis, Otto S.

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Date of publication of this fulltext: 06 Jun 2011 13:04

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Abstract

The effect of halides and different buffer anions on the quenching of the fluorescence of the new probe 10,10′-bis(3-sulfopropyl)-9,9′-biacridine (SPBA) has been studied using fluorescence and decay time measurements. The linearity of the Stern-Volmer plot indicates that fluorescence quenching by halides can be described reasonably well by a single-exponential decay with a K of 4.06 times ...