A Fluorescent Chemosensor for Copper(II) Based on a Carboxylic Acid-functionalized Tris(2,2′-bipyridine)- ruthenium(II) Complex View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2006-12-10

AUTHORS

Chun-Lian He, Feng-Lian Ren, Xiao-Bing Zhang, Yan-Yan Dong, Yan Zhao

ABSTRACT

In this research, bis(2,2′-bipyridine)(4-methyl-2,2,-bipyridine-4′-carboxylic acid)ruthenium(II)-2PF6- complex (1), was first used as a fluorescent chemosensor to recognize Cu(II) in EtOH/H2O (1:1, v/v) solution. The response of the sensor is based on the fluorescence quenching of complex 1 by binding with Cu(II). The analytical performance characteristics of the proposed Cu(II)-sensitive chemosensor were investigated. The sensor can be applied to the quantification of Cu(II) with a linear range covering from 5.0 x 10-8 to 1.0 x 10-4 M and a detection limit of 4.2 x 10-8 M. The experiment results show that the response behavior of 1 to Cu(II) is pH independent in medium condition (pH 4.0 - 8.0), and show excellent selectivity for Cu(II) over other transition metal cations. More... »

PAGES

1547-1551

Identifiers

URI

http://scigraph.springernature.com/pub.10.2116/analsci.22.1547

DOI

http://dx.doi.org/10.2116/analsci.22.1547

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1017605128

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/17159313


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