A novel fluorescence probe PISOH comprising phenanthroimidazole as a fluorophore and thioacetal as recognition unit is designed and synthesized. PISOH displays high selective turn-on fluorescence response toward Hg2+ with no interference from other metal cations, such as Cu2+, Ag+, Fe3+, Pb2+, etc. PISOH can be converted to the corresponding aldehyde PICHO in the presence of Hg2+, based on the Hg2+ promoted deprotection of thioacetal. Moreover, the fluorescence emission and sensing properties of PISOH can be modulated by surfactants in aqueous solution. PISOH exhibits a detection limit (LOD) of 1.16 nM for Hg2+ in aqueous Triton X-100 solution, much lower than that in DMF (LOD = 6.83 nM). The response time of PISOH for Hg2+ is around 1 min, suitable for rapid detection of Hg2+. Furthermore, the probe can be used to monitor Hg2+ effectively in living cells by fluorescence imaging. This work represents a novel and simple strategy for sensing of Hg2+ in pure water by using commercially available surfactants to solubilize fluorescent probe. (C) 2018 Elsevier B.V. All rights reserved.
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CSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
CV Raman Coll Engeneering, Dept Chem, Bhubaneswar 752054, Odisha, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Agarwalla, Hridesh
;
Mahajan, Pankaj S.
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CSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Mahajan, Pankaj S.
;
Sahu, Debashis
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CSIR, Cent Salt & Marine Chem Res Inst, Analyt Discipline & Cent Instrument Facil, Computat & Simulat Unit, Bhavnagar 364002, Gujarat, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Sahu, Debashis
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Taye, Nandaraj
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Natl Ctr Cell Sci, Chromatin & Dis Biol Lab, Pune 411007, Maharashtra, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Taye, Nandaraj
;
Ganguly, Bishwajit
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CSIR, Cent Salt & Marine Chem Res Inst, Analyt Discipline & Cent Instrument Facil, Computat & Simulat Unit, Bhavnagar 364002, Gujarat, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Ganguly, Bishwajit
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Mhaske, Santosh B.
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CSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Mhaske, Santosh B.
;
Chattopadhyay, Samit
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Natl Ctr Cell Sci, Chromatin & Dis Biol Lab, Pune 411007, Maharashtra, India
CSIR, Indian Inst Chem Biol, Kolkata 700032, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Chattopadhyay, Samit
;
Das, Amitava
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CSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
CSIR, Cent Salt & Marine Chem Res Inst, Bhavnagar 364002, Gujarat, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
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Jadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, IndiaJadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India
Bhowmick, Rahul
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Islam, Abu Saleh Musha
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Katarkar, Atul
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Indian Inst Chem Biol, CSIR, Dept Mol, Kolkata 700032, W Bengal, India
Indian Inst Chem Biol, CSIR, Div Human Genet, Kolkata 700032, W Bengal, IndiaJadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India
Katarkar, Atul
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Chaudhuri, Keya
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Indian Inst Chem Biol, CSIR, Dept Mol, Kolkata 700032, W Bengal, India
Indian Inst Chem Biol, CSIR, Div Human Genet, Kolkata 700032, W Bengal, IndiaJadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India
Chaudhuri, Keya
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Ali, Mahammad
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Jadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, IndiaJadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India
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CSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
CV Raman Coll Engeneering, Dept Chem, Bhubaneswar 752054, Odisha, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Agarwalla, Hridesh
;
Mahajan, Pankaj S.
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CSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Mahajan, Pankaj S.
;
Sahu, Debashis
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CSIR, Cent Salt & Marine Chem Res Inst, Analyt Discipline & Cent Instrument Facil, Computat & Simulat Unit, Bhavnagar 364002, Gujarat, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Sahu, Debashis
;
Taye, Nandaraj
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Natl Ctr Cell Sci, Chromatin & Dis Biol Lab, Pune 411007, Maharashtra, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Taye, Nandaraj
;
Ganguly, Bishwajit
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CSIR, Cent Salt & Marine Chem Res Inst, Analyt Discipline & Cent Instrument Facil, Computat & Simulat Unit, Bhavnagar 364002, Gujarat, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Ganguly, Bishwajit
;
Mhaske, Santosh B.
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机构:
CSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Mhaske, Santosh B.
;
Chattopadhyay, Samit
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Natl Ctr Cell Sci, Chromatin & Dis Biol Lab, Pune 411007, Maharashtra, India
CSIR, Indian Inst Chem Biol, Kolkata 700032, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
Chattopadhyay, Samit
;
Das, Amitava
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CSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
CSIR, Cent Salt & Marine Chem Res Inst, Bhavnagar 364002, Gujarat, IndiaCSIR, Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India
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Jadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, IndiaJadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India
Bhowmick, Rahul
;
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Islam, Abu Saleh Musha
;
Katarkar, Atul
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Indian Inst Chem Biol, CSIR, Dept Mol, Kolkata 700032, W Bengal, India
Indian Inst Chem Biol, CSIR, Div Human Genet, Kolkata 700032, W Bengal, IndiaJadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India
Katarkar, Atul
;
Chaudhuri, Keya
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Indian Inst Chem Biol, CSIR, Dept Mol, Kolkata 700032, W Bengal, India
Indian Inst Chem Biol, CSIR, Div Human Genet, Kolkata 700032, W Bengal, IndiaJadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India
Chaudhuri, Keya
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Ali, Mahammad
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Jadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, IndiaJadavpur Univ, Dept Chem, Kolkata 700032, W Bengal, India