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Graphene Aerogel-Metal-Organic Framework-Based Electrochemical Method for Simultaneous Detection of Multiple Heavy-Metal Ions

The development of an effective method for detecting heavy-metal ions remains a serious task because of their high toxicity to public health and environments. Herein, a new electrochemical method based on a graphene aerogel (GA) and metal-organic framework (MOF) composites was developed for simultan... Full description

Journal Title: Analytical chemistry 02 January 2019, Vol.91(1), pp.888-895
Main Author: Lu, Muxin
Other Authors: Deng, Yajuan , Luo, Yi , Lv, Junping , Li, Tianbao , Xu, Juan , Chen, Shu-Wei , Wang, Jinyi
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1520-6882 ; PMID: 30338985 Version:1 ; DOI: 10.1021/acs.analchem.8b03764
Link: http://pubmed.gov/30338985
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recordid: medline30338985
title: Graphene Aerogel-Metal-Organic Framework-Based Electrochemical Method for Simultaneous Detection of Multiple Heavy-Metal Ions
format: Article
creator:
  • Lu, Muxin
  • Deng, Yajuan
  • Luo, Yi
  • Lv, Junping
  • Li, Tianbao
  • Xu, Juan
  • Chen, Shu-Wei
  • Wang, Jinyi
subjects:
  • Metal-Ions
  • Mixed-Material
  • Cations
  • Electrodes
  • Electron-Transition
  • River-Water
  • Vegetables
  • Organic-Frameworks
  • Aqueous-Solutions
  • Electrochemical-Method
  • Graphene
  • Toxicity
  • Terrain
  • Public-Health
  • Hydrophilic-Group
  • Metallion
  • Komposit
  • Kation
  • Elektrode
  • Elektronentransfer
  • Flusswasser
  • Gemüse
  • Organisches Gerüst
  • Wässrige Lösung
  • Elektrochemisches Verfahren
  • Graphen
  • Toxizität
  • Gelände
  • Gesundheitswesen
  • Hydrophile Gruppe
  • Engineering
  • Chemistry
ispartof: Analytical chemistry, 02 January 2019, Vol.91(1), pp.888-895
description: The development of an effective method for detecting heavy-metal ions remains a serious task because of their high toxicity to public health and environments. Herein, a new electrochemical method based on a graphene aerogel (GA) and metal-organic framework (MOF) composites was developed for simultaneous detection of multiple heavy-metal ions in aqueous solutions. The GA-MOF composites were synthesized via the in situ growth of the MOF UiO-66-NH crystal on the GA matrix. GA not only serves as the backbone for UiO-66-NH but also enhances the conductivity of the composites by accelerating the electron transfer in the matrix. UiO-66-NH worked as a binding site for heavy-metal ions because of the interaction between hydrophilic groups and metal cations. The detection performance of the GA-UiO-66-NH composite-modified electrodes was determined. The developed electrochemical method can be successfully applied for individual and simultaneous detection of heavy-metal ions, namely, Cd, Pb, Cu,and...
language: eng
source:
identifier: E-ISSN: 1520-6882 ; PMID: 30338985 Version:1 ; DOI: 10.1021/acs.analchem.8b03764
fulltext: fulltext
issn:
  • 15206882
  • 1520-6882
url: Link


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descriptionThe development of an effective method for detecting heavy-metal ions remains a serious task because of their high toxicity to public health and environments. Herein, a new electrochemical method based on a graphene aerogel (GA) and metal-organic framework (MOF) composites was developed for simultaneous detection of multiple heavy-metal ions in aqueous solutions. The GA-MOF composites were synthesized via the in situ growth of the MOF UiO-66-NH crystal on the GA matrix. GA not only serves as the backbone for UiO-66-NH but also enhances the conductivity of the composites by accelerating the electron transfer in the matrix. UiO-66-NH worked as a binding site for heavy-metal ions because of the interaction between hydrophilic groups and metal cations. The detection performance of the GA-UiO-66-NH composite-modified electrodes was determined. The developed electrochemical method can be successfully applied for individual and simultaneous detection of heavy-metal ions, namely, Cd, Pb, Cu,and...
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subjectMetal-Ions ; Mixed-Material ; Cations ; Electrodes ; Electron-Transition ; River-Water ; Vegetables ; Organic-Frameworks ; Aqueous-Solutions ; Electrochemical-Method ; Graphene ; Toxicity ; Terrain ; Public-Health ; Hydrophilic-Group ; Metallion ; Komposit ; Kation ; Elektrode ; Elektronentransfer ; Flusswasser ; Gemüse ; Organisches Gerüst ; Wässrige Lösung ; Elektrochemisches Verfahren ; Graphen ; Toxizität ; Gelände ; Gesundheitswesen ; Hydrophile Gruppe ; Engineering ; Chemistry;
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abstractThe development of an effective method for detecting heavy-metal ions remains a serious task because of their high toxicity to public health and environments. Herein, a new electrochemical method based on a graphene aerogel (GA) and metal-organic framework (MOF) composites was developed for simultaneous detection of multiple heavy-metal ions in aqueous solutions. The GA-MOF composites were synthesized via the in situ growth of the MOF UiO-66-NH crystal on the GA matrix. GA not only serves as the backbone for UiO-66-NH but also enhances the conductivity of the composites by accelerating the electron transfer in the matrix. UiO-66-NH worked as a binding site for heavy-metal ions because of the interaction between hydrophilic groups and metal cations. The detection performance of the GA-UiO-66-NH composite-modified electrodes was determined. The developed electrochemical method can be successfully applied for individual and simultaneous detection of heavy-metal ions, namely, Cd, Pb, Cu,and...
doi10.1021/acs.analchem.8b03764
pmid30338985
orcidid0000-0002-2466-064X
date2019-01-02