Chromogenic Sensing of Biogenic Amines Using a Chameleon Probe and the Red−Green−Blue Readout of Digital Camera Images

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.19952

Steiner, Mark-Steven ; Meier, Robert J. ; Dürkop, Axel ; Wolfbeis, Otto S.

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Veröffentlichungsdatum dieses Volltextes: 18 Mrz 2011 06:40

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Zusammenfassung

We report on sensing spots containing an amine reactive chromogenic probe and a green fluorescent (amine insensitive) reference dye incorporated in a hydrogel matrix on a solid support. Such spots enable rapid and direct determination of primary amines and, especially, biogenic amines (BA). A distinct color change from blue to red occurs on dipping the test spots into a pH 9.0 sample containing ...