Open Access

Scientific Reports, volume 4, issue 1, publication number 5624

Ultrasensitive Quantum Dot Fluorescence quenching Assay for Selective Detection of Mercury Ions in Drinking Water

Jun Ke ¹

Xinyong Li ¹

Zhao Qidong ¹

Yang Hou ²

Junhong Chen ²

Hide authors affiliations Show authors affiliations: 2 affiliations

State Key Laboratory of Fine Chemicals, Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China |

Department of Mechanical Engineering, University of Wisconsin-Milwaukee, Milwaukee, USA |

Publication type: Journal Article

Publication date: 2014-07-09

Springer Nature

Journal: Scientific Reports

Quartile SCImago

Quartile WOS

Impact factor: 4.6

ISSN: 20452322, 20452322

DOI: 10.1038/srep05624

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PubMed ID: 25005836

Multidisciplinary

Abstract

Mercury is one of the most acutely toxic substances at trace level to human health and living thing. Developing a rapid, cheap and water soluble metal sensor for detecting mercury ions at ppb level remains a challenge. Herein, a metal sensor consisting of MPA coated Mn doped ZnSe/ZnS colloidal nanoparticles was utilized to ultrasensitively and selectively detect Hg2+ ions with a low detection limit (0.1 nM) over a dynamic range from 0 to 20 nM. According to strong interaction between thiol(s) and mercury ions, mercaptopropionic acid (MPA) was used as a highly unique acceptor for mercury ions in the as-obtained ultrasensitive sensor. In the presence of mercury ions, colloidal nanoparticles rapidly agglomerated due to changes of surface chemical properties, which results in severe quenching of fluorescent intensity. Meanwhile, we find that the original ligands are separated from the surface of colloidal nanoparticles involving strongly chelation between mercury ion and thiol(s) proved by controlled IR analysis. The result shows that the QD-based metal ions sensor possesses satisfactory precision, high sensitivity and selectivity and could be applied for the quantification analysis of real samples.

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	1 2 3 4 5
Sensors and Actuators, B: Chemical	Sensors and Actuators, B: Chemical, 5, 5.68% Sensors and Actuators, B: Chemical 5 publications, 5.68%
Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy	Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 4, 4.55% Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy 4 publications, 4.55%
Scientific Reports	Scientific Reports, 3, 3.41% Scientific Reports 3 publications, 3.41%
Journal of Fluorescence	Journal of Fluorescence, 3, 3.41% Journal of Fluorescence 3 publications, 3.41%
Biosensors and Bioelectronics	Biosensors and Bioelectronics, 3, 3.41% Biosensors and Bioelectronics 3 publications, 3.41%
Sensors	Sensors, 2, 2.27% Sensors 2 publications, 2.27%
Microchimica Acta	Microchimica Acta, 2, 2.27% Microchimica Acta 2 publications, 2.27%
Journal of Molecular Structure	Journal of Molecular Structure, 2, 2.27% Journal of Molecular Structure 2 publications, 2.27%
Small	Small, 2, 2.27% Small 2 publications, 2.27%
ChemistrySelect	ChemistrySelect, 2, 2.27% ChemistrySelect 2 publications, 2.27%
ACS Sensors	ACS Sensors, 2, 2.27% ACS Sensors 2 publications, 2.27%
ACS applied materials & interfaces	ACS applied materials & interfaces, 2, 2.27% ACS applied materials & interfaces 2 publications, 2.27%
ACS Omega	ACS Omega, 2, 2.27% ACS Omega 2 publications, 2.27%
RSC Advances	RSC Advances, 2, 2.27% RSC Advances 2 publications, 2.27%
Sensor Review	Sensor Review, 1, 1.14% Sensor Review 1 publication, 1.14%
Journal of Nanophotonics	Journal of Nanophotonics, 1, 1.14% Journal of Nanophotonics 1 publication, 1.14%
Catalysts	Catalysts, 1, 1.14% Catalysts 1 publication, 1.14%
Nanomaterials	Nanomaterials, 1, 1.14% Nanomaterials 1 publication, 1.14%
Crystals	Crystals, 1, 1.14% Crystals 1 publication, 1.14%
Frontiers in Environmental Chemistry	Frontiers in Environmental Chemistry, 1, 1.14% Frontiers in Environmental Chemistry 1 publication, 1.14%
Nuclear Science and Techniques/Hewuli	Nuclear Science and Techniques/Hewuli, 1, 1.14% Nuclear Science and Techniques/Hewuli 1 publication, 1.14%
NPG Asia Materials	NPG Asia Materials, 1, 1.14% NPG Asia Materials 1 publication, 1.14%
Analytical Sciences	Analytical Sciences, 1, 1.14% Analytical Sciences 1 publication, 1.14%
Water, Air, and Soil Pollution	Water, Air, and Soil Pollution, 1, 1.14% Water, Air, and Soil Pollution 1 publication, 1.14%
Biophysical Reviews	Biophysical Reviews, 1, 1.14% Biophysical Reviews 1 publication, 1.14%
Applied Nanoscience (Switzerland)	Applied Nanoscience (Switzerland), 1, 1.14% Applied Nanoscience (Switzerland) 1 publication, 1.14%
Ultrasonics Sonochemistry	Ultrasonics Sonochemistry, 1, 1.14% Ultrasonics Sonochemistry 1 publication, 1.14%
Sensors and Actuators, A: Physical	Sensors and Actuators, A: Physical, 1, 1.14% Sensors and Actuators, A: Physical 1 publication, 1.14%
Trends in Environmental Analytical Chemistry	Trends in Environmental Analytical Chemistry, 1, 1.14% Trends in Environmental Analytical Chemistry 1 publication, 1.14%
	1 2 3 4 5

Citations by publishers

	5 10 15 20 25 30 35
Elsevier	Elsevier, 31, 35.23% Elsevier 31 publications, 35.23%
Springer Nature	Springer Nature, 14, 15.91% Springer Nature 14 publications, 15.91%
American Chemical Society (ACS)	American Chemical Society (ACS), 9, 10.23% American Chemical Society (ACS) 9 publications, 10.23%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 9, 10.23% Royal Society of Chemistry (RSC) 9 publications, 10.23%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 7, 7.95% Multidisciplinary Digital Publishing Institute (MDPI) 7 publications, 7.95%
Wiley	Wiley, 6, 6.82% Wiley 6 publications, 6.82%
Emerald	Emerald, 1, 1.14% Emerald 1 publication, 1.14%
SPIE	SPIE, 1, 1.14% SPIE 1 publication, 1.14%
Frontiers Media S.A.	Frontiers Media S.A., 1, 1.14% Frontiers Media S.A. 1 publication, 1.14%
Japan Society for Analytical Chemistry	Japan Society for Analytical Chemistry, 1, 1.14% Japan Society for Analytical Chemistry 1 publication, 1.14%
IOP Publishing	IOP Publishing, 1, 1.14% IOP Publishing 1 publication, 1.14%
Taiwan Institute of Chemical Engineers	Taiwan Institute of Chemical Engineers, 1, 1.14% Taiwan Institute of Chemical Engineers 1 publication, 1.14%
King Saud University	King Saud University, 1, 1.14% King Saud University 1 publication, 1.14%
Pleiades Publishing	Pleiades Publishing, 1, 1.14% Pleiades Publishing 1 publication, 1.14%
IEEE	IEEE, 1, 1.14% IEEE 1 publication, 1.14%
Bentham Science	Bentham Science, 1, 1.14% Bentham Science 1 publication, 1.14%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii	Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii, 1, 1.14% Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii 1 publication, 1.14%
	5 10 15 20 25 30 35

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GOST Copy

Ke J. et al. Ultrasensitive Quantum Dot Fluorescence quenching Assay for Selective Detection of Mercury Ions in Drinking Water // Scientific Reports. 2014. Vol. 4. No. 1. 5624

GOST all authors (up to 50) Copy

Ke J., Li X., Qidong Z., Hou Y., Chen J. Ultrasensitive Quantum Dot Fluorescence quenching Assay for Selective Detection of Mercury Ions in Drinking Water // Scientific Reports. 2014. Vol. 4. No. 1. 5624

RIS |

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RIS Copy

TY - JOUR

DO - 10.1038/srep05624

UR - https://doi.org/10.1038/srep05624

TI - Ultrasensitive Quantum Dot Fluorescence quenching Assay for Selective Detection of Mercury Ions in Drinking Water

T2 - Scientific Reports

AU - Ke, Jun

AU - Li, Xinyong

AU - Qidong, Zhao

AU - Hou, Yang

AU - Chen, Junhong

PY - 2014

DA - 2014/07/09 00:00:00

PB - Springer Nature

IS - 1

VL - 4

PMID - 25005836

SN - 2045-2322

ER -

BibTex

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BibTex Copy

@article{2014_Ke,

author = {Jun Ke and Xinyong Li and Zhao Qidong and Yang Hou and Junhong Chen},

title = {Ultrasensitive Quantum Dot Fluorescence quenching Assay for Selective Detection of Mercury Ions in Drinking Water},

journal = {Scientific Reports},

year = {2014},

volume = {4},

publisher = {Springer Nature},

month = {jul},

url = {https://doi.org/10.1038/srep05624},

number = {1},

doi = {10.1038/srep05624}

}

Found error?

Publisher

Springer Nature

Journal

Scientific Reports

Quartile SCImago

Quartile WOS

Impact factor

4.6

ISSN

20452322 (Print)
20452322 (Electronic)