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author:

Chen, C. (Chen, C..) [1] | Dong, H. (Dong, H..) [2] | Chen, Y. (Chen, Y..) [3] | Guo, L. (Guo, L..) [4] | Wang, Z. (Wang, Z..) [5] | Sun, J.-J. (Sun, J.-J..) [6] | Fu, N. (Fu, N..) [7]

Indexed by:

Scopus

Abstract:

A novel chemosensor based on unsymmetrical squaraine dye (USQ-1) for the selective detection of Hg 2+ in aqueous media is described. USQ-1 in combination with metal ions shows dual chromogenic and "turn-on" fluorogenic response selectivity toward Hg 2+ as compared to Li +, Na +, K +, Mg 2+, Ca 2+, Ba 2+, Al 3+, Cu 2+, Cd 2+, Mn 2+, Fe 3+, Ag +, Pb 2+, Zn 2+, Ni 2+ and Co 2+ due to the Hg 2+-induced deaggregation of the dye molecule. A recognition mechanism based on the binding mode is proposed based on the absorption and fluorescence changes, 1H NMR titration experiments, ESI-MS study, and theoretical calculations. © The Royal Society of Chemistry 2011.

Keyword:

Community:

  • [ 1 ] [Chen, C.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350108, China
  • [ 2 ] [Dong, H.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350108, China
  • [ 3 ] [Chen, Y.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350108, China
  • [ 4 ] [Guo, L.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350108, China
  • [ 5 ] [Wang, Z.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350108, China
  • [ 6 ] [Sun, J.-J.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350108, China
  • [ 7 ] [Fu, N.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350108, China

Reprint 's Address:

  • [Fu, N.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350108, China

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Source :

Organic and Biomolecular Chemistry

ISSN: 1477-0520

Year: 2011

Issue: 23

Volume: 9

Page: 8195-8201

3 . 6 9 6

JCR@2011

2 . 9 0 0

JCR@2023

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 44

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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