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Fluorescence turn-on chemodosimeter-functionalized mesoporous silica nanoparticles and their application in cell imaging

The monitoring of Cu2+ levels in living cells has attracted increasing interest, however, the techniques used often suffer from interference from Hg2+. In the present study, we synthesized mesoporous silica nanospheres modified with a rhodamine B derivative containing a thiourea group to be used as... Full description

Journal Title: Journal of Materials Chemistry 2011, Vol.21(20), pp.7175-7181
Main Author: Liu, Jinliang
Other Authors: Li, Chunyan , Li, Fuyou
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0959-9428 ; DOI: 10.1039/C1JM10803D
Link: http://search.proquest.com/docview/963910180/?pq-origsite=primo
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title: Fluorescence turn-on chemodosimeter-functionalized mesoporous silica nanoparticles and their application in cell imaging
format: Article
creator:
  • Liu, Jinliang
  • Li, Chunyan
  • Li, Fuyou
subjects:
  • Cations
  • Derivatives
  • Fluorescence
  • Imaging
  • Nanocomposites
  • Nanomaterials
  • Nanostructure
  • Rhodamine
  • Thin Films, Surfaces, and Interfaces (So)
  • Chemical and Electrochemical Properties (MD)
  • Chemical and Electrochemical Properties (Ep)
  • Chemical and Electrochemical Properties (Ed)
  • Chemical and Electrochemical Properties (EC)
ispartof: Journal of Materials Chemistry, 2011, Vol.21(20), pp.7175-7181
description: The monitoring of Cu2+ levels in living cells has attracted increasing interest, however, the techniques used often suffer from interference from Hg2+. In the present study, we synthesized mesoporous silica nanospheres modified with a rhodamine B derivative containing a thiourea group to be used as a chemodosimeter-functionalized nanoprobe for the detection of Cu2+. This system is expected to offer selective detection of Cu2+ over Hg2+, as these ions react differently with the rhodamine derivative. This chemodosimeter-functionalized nanoprobe was characterized by transmission electron microscopy, small-angle X-ray diffraction, and N2 adsorption-desorption isotherms. The nanoprobe's response to metal cations was investigated using absorption and fluorescence spectroscopies. Addition of Hg2+ or Cu2+ induced a significant solution color change (colorless to purple) and an enhancement in fluorescence of the nanoprobe, even in the presence of other cations in aqueous...
language: eng
source:
identifier: ISSN: 0959-9428 ; DOI: 10.1039/C1JM10803D
fulltext: fulltext
issn:
  • 09599428
  • 0959-9428
url: Link


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titleFluorescence turn-on chemodosimeter-functionalized mesoporous silica nanoparticles and their application in cell imaging
creatorLiu, Jinliang ; Li, Chunyan ; Li, Fuyou
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ispartofJournal of Materials Chemistry, 2011, Vol.21(20), pp.7175-7181
identifierISSN: 0959-9428 ; DOI: 10.1039/C1JM10803D
subjectCations ; Derivatives ; Fluorescence ; Imaging ; Nanocomposites ; Nanomaterials ; Nanostructure ; Rhodamine ; Thin Films, Surfaces, and Interfaces (So) ; Chemical and Electrochemical Properties (MD) ; Chemical and Electrochemical Properties (Ep) ; Chemical and Electrochemical Properties (Ed) ; Chemical and Electrochemical Properties (EC)
descriptionThe monitoring of Cu2+ levels in living cells has attracted increasing interest, however, the techniques used often suffer from interference from Hg2+. In the present study, we synthesized mesoporous silica nanospheres modified with a rhodamine B derivative containing a thiourea group to be used as a chemodosimeter-functionalized nanoprobe for the detection of Cu2+. This system is expected to offer selective detection of Cu2+ over Hg2+, as these ions react differently with the rhodamine derivative. This chemodosimeter-functionalized nanoprobe was characterized by transmission electron microscopy, small-angle X-ray diffraction, and N2 adsorption-desorption isotherms. The nanoprobe's response to metal cations was investigated using absorption and fluorescence spectroscopies. Addition of Hg2+ or Cu2+ induced a significant solution color change (colorless to purple) and an enhancement in fluorescence of the nanoprobe, even in the presence of other cations in aqueous...
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descriptionThe monitoring of Cu2+ levels in living cells has attracted increasing interest, however, the techniques used often suffer from interference from Hg2+. In the present study, we synthesized mesoporous silica nanospheres modified with a rhodamine B derivative containing a thiourea group to be used as a chemodosimeter-functionalized nanoprobe for the detection of Cu2+. This system is expected to offer selective detection of Cu2+ over Hg2+, as these ions react differently with the rhodamine derivative. This chemodosimeter-functionalized nanoprobe was characterized by transmission electron microscopy, small-angle X-ray diffraction, and N2 adsorption-desorption isotherms. The nanoprobe's response to metal cations was investigated using absorption and fluorescence spectroscopies. Addition of Hg2+ or Cu2+ induced a significant solution color change (colorless to purple) and an enhancement in fluorescence of the nanoprobe, even in the presence of other cations in aqueous...
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abstractThe monitoring of Cu2+ levels in living cells has attracted increasing interest, however, the techniques used often suffer from interference from Hg2+. In the present study, we synthesized mesoporous silica nanospheres modified with a rhodamine B derivative containing a thiourea group to be used as a chemodosimeter-functionalized nanoprobe for the detection of Cu2+. This system is expected to offer selective detection of Cu2+ over Hg2+, as these ions react differently with the rhodamine derivative. This chemodosimeter-functionalized nanoprobe was characterized by transmission electron microscopy, small-angle X-ray diffraction, and N2 adsorption-desorption isotherms. The nanoprobe's response to metal cations was investigated using absorption and fluorescence spectroscopies. Addition of Hg2+ or Cu2+ induced a significant solution color change (colorless to purple) and an enhancement in fluorescence of the nanoprobe, even in the presence of other cations in aqueous...
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date2011-01-01