LrgpV1, Main, Exploration, bibRecord, 000140

Monitoring the size and the stability of zinc oxide quantum dots in biological media

Identifieur interne : 000140 ( Main/Exploration ); précédent : 000139; suivant : 000141

Monitoring the size and the stability of zinc oxide quantum dots in biological media

Auteurs : Jean-Jacques Gaumet [France] ; Gabriel Gaiffe [France] ; Clément Dezanet [France] ; Stéphane Dalmasso [France] ; Pierre Magri [France] ; Lavinia Balan [France] ; Raphaël Schneider [France]

Source :

RBID : Hal:hal-01306316

English descriptors

mix :
- Core/shell.

Abstract

We present herein a joint physical/physico-chemical study and, more specifically, the first application of Matrix Assisted Laser Desorption Ionization coupled with Time of Flight Mass Spectrometry (MALDI-TOF-MS) to analyze small-sized ZnO quantum dots (QDs) (2.8-3.1 nm diameter range) synthesized by sol-gel chemistry and stabilized through an aminosilane coating. A careful investigation of the stability of ZnO QDs was initiated once these dots were dispersed in different media (water, biological buffer) for a period up to 3 weeks. Positive ion mode mass spectra MALDI-TOF-MS combined with optical spectrometry was used to monitor the stability of ZnO QDs when aging. Such a unique combination of MALDI-TOF-MS and physico-chemical techniques is likely to bring new insights into the structure analysis, the stability and consequently the potential toxicity of QDs.

Url:

https://hal.archives-ouvertes.fr/hal-01306316

DOI: 10.1557/OPL.2015.620

Affiliations:

Links toward previous steps (curation, corpus...)

to stream Hal, to step Corpus: 000787
to stream Hal, to step Curation: 000787
to stream Hal, to step Checkpoint: 000133
to stream Main, to step Merge: 000140
to stream Main, to step Curation: 000140

Le document en format XML

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<settlement type="city">Metz</settlement>
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</placeName>
<orgName type="university">Université de Lorraine</orgName>
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<author><name sortKey="Dalmasso, Stephane" sort="Dalmasso, Stephane" uniqKey="Dalmasso S" first="Stéphane" last="Dalmasso">Stéphane Dalmasso</name>
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<orgName>Laboratoire de Chimie et Physique - Approche Multi-échelle des Milieux Complexes</orgName>
<orgName type="acronym">LCP-A2MC</orgName>
<date type="start">2012-01-01</date>
<desc><address><addrLine>Université de Lorraine, ICPM, 1 boulevard Arago, CP 87811, 57078 Metz Cedex 3</addrLine>
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</address>
<ref type="url">http://lcp-a2mc.univ-lorraine.fr/</ref>
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<orgName>Université de Lorraine</orgName>
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<desc><address><addrLine>34 cours Léopold - CS 25233 - 54052 Nancy cedex</addrLine>
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</address>
<ref type="url">http://www.univ-lorraine.fr/</ref>
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<country>France</country>
<placeName><settlement type="city">Nancy</settlement>
<settlement type="city">Metz</settlement>
<region type="region" nuts="2">Grand Est</region>
<region type="old region" nuts="2">Lorraine (région)</region>
</placeName>
<orgName type="university">Université de Lorraine</orgName>
</affiliation>
</author>
<author><name sortKey="Magri, Pierre" sort="Magri, Pierre" uniqKey="Magri P" first="Pierre" last="Magri">Pierre Magri</name>
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<orgName>Laboratoire de Chimie et Physique - Approche Multi-échelle des Milieux Complexes</orgName>
<orgName type="acronym">LCP-A2MC</orgName>
<date type="start">2012-01-01</date>
<desc><address><addrLine>Université de Lorraine, ICPM, 1 boulevard Arago, CP 87811, 57078 Metz Cedex 3</addrLine>
<country key="FR"></country>
</address>
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<orgName>Université de Lorraine</orgName>
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<desc><address><addrLine>34 cours Léopold - CS 25233 - 54052 Nancy cedex</addrLine>
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</address>
<ref type="url">http://www.univ-lorraine.fr/</ref>
</desc>
</org>
</tutelle>
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</hal:affiliation>
<country>France</country>
<placeName><settlement type="city">Nancy</settlement>
<settlement type="city">Metz</settlement>
<region type="region" nuts="2">Grand Est</region>
<region type="old region" nuts="2">Lorraine (région)</region>
</placeName>
<orgName type="university">Université de Lorraine</orgName>
</affiliation>
</author>
<author><name sortKey="Balan, Lavinia" sort="Balan, Lavinia" uniqKey="Balan L" first="Lavinia" last="Balan">Lavinia Balan</name>
<affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-239285" status="VALID"><orgName>Univ Haute Alsace, Inst Sci Mat Mulhouse IS2M, CNRS, UMR 7361</orgName>
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<desc><address><addrLine>68093 Mulhouse</addrLine>
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<orgName>Université de Franche-Comté</orgName>
<orgName type="acronym">UFC</orgName>
<desc><address><country key="FR"></country>
</address>
<ref type="url">http://www.univ-fcomte.fr</ref>
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</hal:affiliation>
<country>France</country>
<placeName><settlement type="city" wicri:auto="siege">Besançon</settlement>
<region type="region" nuts="2">Franche-Comté</region>
</placeName>
<orgName type="university">Université de Franche-Comté</orgName>
<orgName type="institution" wicri:auto="newGroup">Université de Bourgogne Franche-Comté</orgName>
</affiliation>
</author>
<author><name sortKey="Schneider, Raphael" sort="Schneider, Raphael" uniqKey="Schneider R" first="Raphaël" last="Schneider">Raphaël Schneider</name>
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<idno type="RNSR">201320573K</idno>
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<orgName>Laboratoire Réactions et Génie des Procédés</orgName>
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<date type="start">2013-01-01</date>
<desc><address><addrLine>Université de Lorraine - ENSIC, 1 rue de Grandville BP 20451, 54001 Nancy Cedex</addrLine>
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</address>
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<orgName>Université de Lorraine</orgName>
<orgName type="acronym">UL</orgName>
<date type="start">2012-01-01</date>
<desc><address><addrLine>34 cours Léopold - CS 25233 - 54052 Nancy cedex</addrLine>
<country key="FR"></country>
</address>
<ref type="url">http://www.univ-lorraine.fr/</ref>
</desc>
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<idno type="IdRef">02636817X</idno>
<orgName>Centre National de la Recherche Scientifique</orgName>
<orgName type="acronym">CNRS</orgName>
<date type="start">1939-10-19</date>
<desc><address><country key="FR"></country>
</address>
<ref type="url">http://www.cnrs.fr/</ref>
</desc>
</org>
</tutelle>
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</hal:affiliation>
<country>France</country>
<placeName><settlement type="city">Nancy</settlement>
<settlement type="city">Metz</settlement>
<region type="region" nuts="2">Grand Est</region>
<region type="old region" nuts="2">Lorraine (région)</region>
</placeName>
<orgName type="university">Université de Lorraine</orgName>
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</analytic>
<idno type="DOI">10.1557/OPL.2015.620 </idno>
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<front><div type="abstract" xml:lang="en">We present herein a joint physical/physico-chemical study and, more specifically, the first application of Matrix Assisted Laser Desorption Ionization coupled with Time of Flight Mass Spectrometry (MALDI-TOF-MS) to analyze small-sized ZnO quantum dots (QDs) (2.8-3.1 nm diameter range) synthesized by sol-gel chemistry and stabilized through an aminosilane coating. A careful investigation of the stability of ZnO QDs was initiated once these dots were dispersed in different media (water, biological buffer) for a period up to 3 weeks. Positive ion mode mass spectra MALDI-TOF-MS combined with optical spectrometry was used to monitor the stability of ZnO QDs when aging. Such a unique combination of MALDI-TOF-MS and physico-chemical techniques is likely to bring new insights into the structure analysis, the stability and consequently the potential toxicity of QDs.</div>
</front>
</TEI>
<affiliations><list><country><li>France</li>
</country>
<region><li>Franche-Comté</li>
<li>Grand Est</li>
<li>Lorraine (région)</li>
</region>
<settlement><li>Besançon</li>
<li>Metz</li>
<li>Nancy</li>
</settlement>
<orgName><li>Université de Bourgogne Franche-Comté</li>
<li>Université de Franche-Comté</li>
<li>Université de Lorraine</li>
</orgName>
</list>
<tree><country name="France"><region name="Grand Est"><name sortKey="Gaumet, Jean Jacques" sort="Gaumet, Jean Jacques" uniqKey="Gaumet J" first="Jean-Jacques" last="Gaumet">Jean-Jacques Gaumet</name>
</region>
<name sortKey="Balan, Lavinia" sort="Balan, Lavinia" uniqKey="Balan L" first="Lavinia" last="Balan">Lavinia Balan</name>
<name sortKey="Dalmasso, Stephane" sort="Dalmasso, Stephane" uniqKey="Dalmasso S" first="Stéphane" last="Dalmasso">Stéphane Dalmasso</name>
<name sortKey="Dezanet, Clement" sort="Dezanet, Clement" uniqKey="Dezanet C" first="Clément" last="Dezanet">Clément Dezanet</name>
<name sortKey="Gaiffe, Gabriel" sort="Gaiffe, Gabriel" uniqKey="Gaiffe G" first="Gabriel" last="Gaiffe">Gabriel Gaiffe</name>
<name sortKey="Magri, Pierre" sort="Magri, Pierre" uniqKey="Magri P" first="Pierre" last="Magri">Pierre Magri</name>
<name sortKey="Schneider, Raphael" sort="Schneider, Raphael" uniqKey="Schneider R" first="Raphaël" last="Schneider">Raphaël Schneider</name>
</country>
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Monitoring the size and the stability of zinc oxide quantum dots in biological media

Monitoring the size and the stability of zinc oxide quantum dots in biological media

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