Detection of cadmium ion using the fluorescence probe Indo-1

Fluorescence probes for biosensors used for the determination of intracellular concentration of metal ions have been synthesized in order to bind selectivity with a specific cation. Since certain ions exhibit similar chemical properties, binding selectivity with the probes is difficult. In this pape...

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Bibliographic Details
Published in:Analytica chimica acta 1994-09, Vol.295 (1), p.67-72
Main Authors: Vo-Dinh, T., Viallet, P., Ramirez, L., Pal, A., Vigo, J.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Biosensors
Biotechnology
Cadmium
Fluorimetry
Fundamental and applied biological sciences. Psychology
Indo-1
Methods. Procedures. Technologies
Various methods and equipments
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Summary:Fluorescence probes for biosensors used for the determination of intracellular concentration of metal ions have been synthesized in order to bind selectivity with a specific cation. Since certain ions exhibit similar chemical properties, binding selectivity with the probes is difficult. In this paper we describe for the first time the interaction between Indo-1, a fluorescence probe representative of a family of “specific chelating compounds” (mainly used for calcium) with the cadmium ion. The fluorescence properties of the cadmium complex are described and a method is proposed to determine the concentrations of both calcium and cadmium ions in aqueous solutions.
ISSN:0003-2670
1873-4324
DOI:10.1016/0003-2670(94)80335-8