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Molecules 2010, 15(5), 2962-2971; doi:10.3390/molecules15052962

8-Hydroxyquinoline Dansylates Modified with PAMAM Dendrimer as Fluorescent Fe3+ Sensors

1
Department of Chemistry, The Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology, Tsinghua University, Beijing 100084, China
2
School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
*
Author to whom correspondence should be addressed.
Received: 11 March 2010 / Revised: 31 March 2010 / Accepted: 6 April 2010 / Published: 27 April 2010
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Abstract

A series of fluorescent sensors based on 8-hydroxyquinoline dansylate as core and dendritic PAMAM as shell were synthesized. Their fluorescence characteristic and fluorescent sensing behavior toward metal ions were studied in water/methanol (1: 1, v/v). The sensors exhibit good selectivity and sensitivity for Fe3+ ion and to some extent for Cr3+ ion. The third generation dendrimer has the better sensitivity than the first and second generations.
Keywords: flourescent sensors; dendrimers; Fe3+ ion flourescent sensors; dendrimers; Fe3+ ion
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Zhang, Q.; Sha, Y.; Wang, J.-H. 8-Hydroxyquinoline Dansylates Modified with PAMAM Dendrimer as Fluorescent Fe3+ Sensors. Molecules 2010, 15, 2962-2971.

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