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

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

1,2, 1,*  and 2
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
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

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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