A zinc fluorescent sensor used to detect mercury (II) and hydrosulfide

Jae Min Jung; Jae Jun Lee; Eunju Nam; Mi Hee Lim; Cheal Kim; Roger G. Harrison

doi:10.1016/j.saa.2017.02.006

A zinc fluorescent sensor used to detect mercury (II) and hydrosulfide

Jae Min Jung, Jae Jun Lee, Eunju Nam, Mi Hee Lim, Cheal Kim, Roger G. Harrison

Dept. of Fine Chemistry

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

A zinc sensor based on quinoline and morpholine has been synthesized. The sensor selectively fluoresces in the presence of Zn^2 +, while not for other metal ions. Absorbance changes in the 350 nm region are observed when Zn^2 + binds, which binds in a 1:1 ratio. The sensor fluoresces due to Zn^2 + above pH values of 6.0 and in the biological important region. The Zn^2 +-sensor complex has the unique ability to detect both Hg^2 + and HS⁻. The fluorescence of the Zn^2 +-sensor complex is quenched when it is exposed to aqueous solutions of Hg^2 + with sub-micromolar detection levels for Hg^2 +. The fluorescence of the Zn^2 +-sensor complex is also quenched by aqueous solutions of hydrosulfide. The sensor was used to detect Zn^2 + and Hg^2 + in living cells.

Original language	English
Pages (from-to)	203-211
Number of pages	9
Journal	Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume	178
DOIs	https://doi.org/10.1016/j.saa.2017.02.006
State	Published - 5 May 2017

Keywords

Chemosensor
Hydrosulfide
Mercury
Morpholine
Quinoline

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title = "A zinc fluorescent sensor used to detect mercury (II) and hydrosulfide",

abstract = "A zinc sensor based on quinoline and morpholine has been synthesized. The sensor selectively fluoresces in the presence of Zn2 +, while not for other metal ions. Absorbance changes in the 350 nm region are observed when Zn2 + binds, which binds in a 1:1 ratio. The sensor fluoresces due to Zn2 + above pH values of 6.0 and in the biological important region. The Zn2 +-sensor complex has the unique ability to detect both Hg2 + and HS−. The fluorescence of the Zn2 +-sensor complex is quenched when it is exposed to aqueous solutions of Hg2 + with sub-micromolar detection levels for Hg2 +. The fluorescence of the Zn2 +-sensor complex is also quenched by aqueous solutions of hydrosulfide. The sensor was used to detect Zn2 + and Hg2 + in living cells.",

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T1 - A zinc fluorescent sensor used to detect mercury (II) and hydrosulfide

AU - Jung, Jae Min

AU - Lee, Jae Jun

AU - Nam, Eunju

AU - Lim, Mi Hee

AU - Kim, Cheal

AU - Harrison, Roger G.

PY - 2017/5/5

Y1 - 2017/5/5

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AB - A zinc sensor based on quinoline and morpholine has been synthesized. The sensor selectively fluoresces in the presence of Zn2 +, while not for other metal ions. Absorbance changes in the 350 nm region are observed when Zn2 + binds, which binds in a 1:1 ratio. The sensor fluoresces due to Zn2 + above pH values of 6.0 and in the biological important region. The Zn2 +-sensor complex has the unique ability to detect both Hg2 + and HS−. The fluorescence of the Zn2 +-sensor complex is quenched when it is exposed to aqueous solutions of Hg2 + with sub-micromolar detection levels for Hg2 +. The fluorescence of the Zn2 +-sensor complex is also quenched by aqueous solutions of hydrosulfide. The sensor was used to detect Zn2 + and Hg2 + in living cells.

KW - Chemosensor

KW - Hydrosulfide

KW - Mercury

KW - Morpholine

KW - Quinoline

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JO - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy

JF - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy

ER -

A zinc fluorescent sensor used to detect mercury (II) and hydrosulfide

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Keywords

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