Výsledky vyhledávání - "Karine Heuzé"

Modulation of laccase catalysed oxidations at the surface of magnetic nanoparticles

Autor: Lu Ren, Karine Heuzé, Emilie Genin, Bruno Faure, Hongtao Ji, Pierre Rousselot Pailley, Thierry Tron

Publikováno v: Colloids and Surfaces B: Biointerfaces
Colloids and Surfaces B: Biointerfaces, Elsevier, 2021, 206, pp.111963. ⟨10.1016/j.colsurfb.2021.111963⟩
Colloids and Surfaces B: Biointerfaces, 2021, 206, pp.111963. ⟨10.1016/j.colsurfb.2021.111963⟩

International audience; We explored the coupling of laccases to magnetic nanoparticles (MNPs) with different surface chemical coating. Two laccase variants offering two opposite and precise orientations of the substrate oxidation site were immobilise

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46e8dd75ea63c8960d0c26995b9e8a7d
https://hal.archives-ouvertes.fr/hal-03405996

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Influence of the grafting process on the orientation and the reactivity of azide-terminated monolayers onto silica surface

Autor: Yannick Mousli, Nisreen Al-Hajj, Antoine Miche, Emilie Genin, Julien Hunel, Vincent Humblot, Karine Heuzé, Luc Vellutini, Thierry Buffeteau

Publikováno v: Applied Surface Science
Applied Surface Science, 2020, 527, pp.146778 (8)
Applied Surface Science, Elsevier, 2020, 527, pp.146778. ⟨10.1016/j.apsusc.2020.146778⟩

International audience; Click chemistry is widely used in materials and surface science for its high efficiency, ease of use and high yields. Azide-terminated SAMs have been prepared successfully by using three different deposition methods (post-func

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc1f48f508e9fbfe31799df6076a532a
https://hal.archives-ouvertes.fr/hal-03020559

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Functionalisation of TiO2 nanoparticles with a fluorescent organosilane: A synergy enabling their visualisation in biological cells and an enhanced photocatalytic activity

Autor: Karine Heuzé, S. Hackenberg, G. Le Bourdon, Sofia Dembski, Luc Vellutini, Emilie Genin, M. Kessler, Susanne Wintzheimer

Publikováno v: Colloids and Surfaces B: Biointerfaces
Colloids and Surfaces B: Biointerfaces, Elsevier, 2019, 181, pp.1019-1025. ⟨10.1016/j.colsurfb.2019.05.060⟩

Nanoparticles, such as TiO2 particles, have a great potential for biomedical applications due to their ultra-small size and large specific surface area. However, their detection within cells is to date more than challenging. Thus, implementing fluore

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b101f1c82d4b6fed643e73185b93e008
https://hal.archives-ouvertes.fr/hal-02322617/document

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Positive Dendritic Effect on Maleimide Surface Modification of Core-Shell (γ-Fe2O3/Polymer) Nanoparticles for Bio-Immobilization

Autor: Odile Babot, Luc Vellutini, Karine Heuzé, Gwénaëlle Le Bourdon, Liubov Mitcova, Thierry Buffeteau

Publikováno v: ChemistrySelect. 1:4350-4356

Maleimide functionalization of γ-Fe2O3/Polymer MNPs (Magnetic Nanoparticles) was investigated via covalent grafting of a linear and two dendritic functional coupling agents. Chemical surface modification was monitored by ATR FTIR spectroscopy and we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a68fc865af6ad1b2835f5b2b6f59023
https://doi.org/10.1002/slct.201600764

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Immobilization of Cryptophane Derivatives onto γ-Fe2O3 Core–Shell Magnetic Nanoparticles

Autor: Luc Vellutini, Thierry Brotin, Elise Siurdyban, Karine Heuzé, David Talaga, Thierry Buffeteau

Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, 2016, 120 (12), pp.6583-6590. ⟨10.1021/acs.jpcc.5b12514⟩
Journal of Physical Chemistry C, American Chemical Society, 2016, 120 (12), pp.6583-6590. ⟨10.1021/acs.jpcc.5b12514⟩

Three immobilization strategies of cryptophane derivatives onto core–shell γ-Fe2O3/silica magnetic nanoparticles (MNPs) are reported. Immobilization of a cryptophane bearing five methoxy substituents and an alkanethiol chain, 1, was performed onto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8b9af9610b017a7677773be81fd7ee0
https://doi.org/10.1021/acs.jpcc.5b12514

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Magnetically recoverable catalysts based on mono- or bis-(NHC) complexes of palladium for the Suzuki–Miyaura reaction in aqueous media: two NHC–Pd linkages are better than one

Autor: Juan C. Flores, Francisco Martínez-Olid, Pilar Gómez-Sal, Román Andrés, Karine Heuzé, Ernesto de Jesús, Luc Vellutini

Publikováno v: Dalton Transactions. 45:11633-11638

Pre-synthesized mono- and bis(NHC) palladium complexes have been grafted onto magnetic core/shell γ-Fe2O3/silica particles and tested as catalysts in model Suzuki-Miyaura coupling reactions. The bis(NHC) immobilized complex was found to be a robust

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83c43d0471dfb7125f0ef6094d84c364
https://doi.org/10.1039/c6dt01330a

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Discovering the Determining Parameters for the Photocatalytic Activity of TiO 2 Colloids Based on an Anomalous Dependence on the Specific Surface Area

Autor: Wolfram Jaegermann, Susanne Wintzheimer, Sofia Dembski, Valeria Nicolosi, Karine Heuzé, Aleksey Shmeliov, Andreas Klein, Ana GuilhermeBuzanich, Thierry Toupance, Wojciech Szczerba, Karl Mandel, Shun Kashiwaya

Publikováno v: Particle & Particle Systems Characterization
Particle & Particle Systems Characterization, 2018, 35 (9), pp.1800216. ⟨10.1002/ppsc.201800216⟩

The photocatalytic (PC) performance of titanium dioxide (TiO2) nanoparticles strongly depends on their speciﬁc surface, the presence of crystal defects, their crystal phase, and the exposed crystal facets. In order to understand which of these fact

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07256f06fc0f14314f6b38bcf8175cc8
https://hal.archives-ouvertes.fr/hal-02322482

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Hydrosilylation of Azide-Containing Olefins as a Convenient Access to Azidoorganotrialkoxysilanes for Self-Assembled Monolayer Elaboration onto Silica by Spin Coating

Autor: Karine Heuzé, Emilie Genin, Julien Hunel, Thierry Buffeteau, Luc Vellutini, Yannick Mousli, Lisa Rouvière, Iman Traboulsi

Publikováno v: ChemistrySelect
ChemistrySelect, Wiley, 2018, 3 (25), pp.7333-7339. ⟨10.1002/slct.201800858⟩

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ff70773f398ab57af4b03920bda8353
https://hal.archives-ouvertes.fr/hal-02322377

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Immobilization of Cryptophane Derivatives onto SiO2/Au and Au Substrates

Autor: Elise Siurdyban, Karine Heuzé, Luc Vellutini, Thierry Brotin, Thierry Buffeteau

Publikováno v: Langmuir
Langmuir, 2014, 30 (49), pp.14859-14867. ⟨10.1021/la5039156⟩
Langmuir, American Chemical Society, 2014, 30 (49), pp.14859-14867. ⟨10.1021/la5039156⟩

The synthesis of a cryptophane molecule bearing five methoxy substituents and an alkanethiol chain, 4, as well as its subsequent grafting onto a gold surface, is reported. Immobilization of cryptophane derivatives onto silica (SiO2/Au) surfaces was a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1dcb5323817f55a9d300ddf2515e71cd
https://doi.org/10.1021/la5039156

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