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author:

Zhu, Huijun (Zhu, Huijun.) [1] | Fan, Juan (Fan, Juan.) [2] | Chen, Hangqing (Chen, Hangqing.) [3] | Tang, Zhenwei (Tang, Zhenwei.) [4] | Wang, Guimei (Wang, Guimei.) [5] (Scholars:王桂美) | Fu, Nanyan (Fu, Nanyan.) [6] (Scholars:傅南雁)

Indexed by:

EI Scopus SCIE

Abstract:

In this work, a novel fluorescent sensing strategy was developed for the detection of Hg2+ with excellent sensitivity and selectivity using a metal-induced disaggregation of aggregated squaraine molecules with the help of ethylenediaminetetreaacetic acid (EDTA). This EDTA promoted probe exhibited a specific "turn on" fluorescent response to Hg2+ with a detection limit of 7.6 x 10(-9) M (3 sigma/k). Owning to the high coordinating ability of EDTA and dithiocarbamate tethered squaraine dye toward Hg2+, the disaggregation process could be improved by EDTA via the formation of squaraine-Hg2+-EDTA trinary complex, resulting in a greater fluorescent release, and this novel phenomenon has been confirmed by light scattering experiments, H-1 NMR, IR and MS. (C) 2014 Elsevier Ltd. All rights reserved.

Keyword:

Disaggregation Dithiocarbamate EDTA Fluorescent probe Mercury Squaraine

Community:

  • [ 1 ] [Zhu, Huijun]Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 2 ] [Fan, Juan]Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 3 ] [Chen, Hangqing]Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 4 ] [Tang, Zhenwei]Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 5 ] [Wang, Guimei]Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 6 ] [Fu, Nanyan]Fuzhou Univ, Res Inst Photocatalysis, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China
  • [ 7 ] [Zhu, Huijun]Fuzhou Univ, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350108, Peoples R China
  • [ 8 ] [Fan, Juan]Fuzhou Univ, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350108, Peoples R China
  • [ 9 ] [Chen, Hangqing]Fuzhou Univ, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350108, Peoples R China
  • [ 10 ] [Tang, Zhenwei]Fuzhou Univ, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350108, Peoples R China
  • [ 11 ] [Wang, Guimei]Fuzhou Univ, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350108, Peoples R China
  • [ 12 ] [Fu, Nanyan]Fuzhou Univ, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350108, Peoples R China
  • [ 13 ] [Zhu, Huijun]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350108, Peoples R China
  • [ 14 ] [Fan, Juan]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350108, Peoples R China
  • [ 15 ] [Chen, Hangqing]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350108, Peoples R China
  • [ 16 ] [Tang, Zhenwei]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350108, Peoples R China
  • [ 17 ] [Wang, Guimei]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350108, Peoples R China
  • [ 18 ] [Fu, Nanyan]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350108, Peoples R China
  • [ 19 ] [Zhu, Huijun]Fuzhou Univ, Dept Chem, Fuzhou 350108, Peoples R China
  • [ 20 ] [Fan, Juan]Fuzhou Univ, Dept Chem, Fuzhou 350108, Peoples R China
  • [ 21 ] [Chen, Hangqing]Fuzhou Univ, Dept Chem, Fuzhou 350108, Peoples R China
  • [ 22 ] [Tang, Zhenwei]Fuzhou Univ, Dept Chem, Fuzhou 350108, Peoples R China
  • [ 23 ] [Wang, Guimei]Fuzhou Univ, Dept Chem, Fuzhou 350108, Peoples R China
  • [ 24 ] [Fu, Nanyan]Fuzhou Univ, Dept Chem, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • 傅南雁

    [Fu, Nanyan]Fuzhou Univ, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350108, Peoples R China

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Source :

DYES AND PIGMENTS

ISSN: 0143-7208

Year: 2015

Volume: 113

Page: 181-188

4 . 0 5 5

JCR@2015

4 . 1 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:265

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 20

SCOPUS Cited Count: 21

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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