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Surface oxidation of Ni-cermet electrodes by CO_(2) and H_(2)O and how to moderate it

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Journal of Energy Chemistry 2022年第4期31卷 300-308页

作者： Dingkai Chen mathias Barreau Thierry Dintzer Sylwia Turczyniak-Surdacka Fabrice Bournel Jean-Jacques Gallet Spyridon Zafeiratos Institut de Chimie et Procédés pour l’Energie l’Environnement et la SantéUMR 7515 CNRS-UdS25 Rue Becquerel67087 StrasbourgFrance Faculty of Chemistry Biological and Chemical Research CentreUniversity of WarsawŻwirki i Wigury 10102-089 WarsawPoland Faculty of Chemistry University of WarsawPasteura 102-093Poland Laboratoire de Chimie Physique-matière et Rayonnement Sorbonne UniversitéCampus CurieCNRS UMR 76144 place Jussieu75005 ParisFrance Synchrotron soleil L’orme des MerisiersB.P.48Saint AubinGif-sur-Yvette Cedex 91192France

The oxidation of porous Ni-yttria-stabilized zirconia(YSZ)and Ni-gadolinia-doped ceria(GDC)ceramicmetal(cermet)electrodes in H_(2)O and CO_(2)atmospheres was studied by near-ambient pressure X-ray photoelectron spectroscopy(NAP-XPS).We show that the oxidation of nickel by the two gases is not similar,as is commonly believed,but it depends on the ceramic *** is vulnerable to oxidation in H_(2)O but it resists to CO_(2)in Ni-GDC,as compared to the Ni-YSZ *** by this observation we conceptualize and fabricate Ni-YSZ electrodes modified by ceria nanoparticles,which show significantly higher resistance to CO_(2)oxidation as compared with conventional Ni-YSZ *** preparation of tailormade cermet electrodes with identical bulk/mechanical characteristics but very different surface properties offers a promising fabrication strategy for high-performance and durability solid oxide electrolysis cells for CO_(2)conversion.

关键词： NAP-XPS CO_(2)electrolysis Nickel oxidation Solid oxide cells Ceria nanoparticles

X-ray-induced radiophotodynamic therapy （RPDT） using lanthanide micelles： Beyond depth limitations

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Nano research 2015年第7期8卷 2373-2379页

作者： Slavka Kascakova Alexandre Giuliani Sara Lacerda Agnes Pallier Pascal mercere eva Toth matthieu refregiers Synchrotron soleil L'Orme des Merisiers 91190 Gif-sur-Yvette France Universite Paris-Sud XI UMR-S I 193 94800 Villejuif France INRA UAR 1008 Caracterisation et elaboration des Produits Issus de I'Agriculture 44316 Nantes France centre de Biophysique moleculaire CNRS Rue Charles Sadron 45071 Orleans Cedex 2 France

We report lanthanide-based micelles integrating hypericin （Hyp） for X-ray- triggered photodynamic therapy （PDT）. The lanthanide luminescence induced by X-ray irradiation excites the photosensitizer, which leads to the generation of singlet oxygen. This versatile approach can be extended to other photosensitizers or other types of liponanoparticles and can allow for magnetic resonance imaging （mRI） guidance.

关键词： photodynamic therapy liponanoparticles,x-ray deep tumour photosensitizer

Processus pour le développement d’une stratégie d’évaluation de la qualitéde vie en cancer avancépédiatrique Process for Developing a Quality of Life Assessment Strategy in Advanced Pediatric Cancer

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Psycho-Oncologie 2024年第2期18卷 127-135页

作者： Lye-Ann Robichaud marianne Olivier-D’Avignon Julie Felipe Hermann Ferdinand Thomas Ehrenfeld marc-Antoine marquis Bruno michon Émélie Rondeau mathias Tyo-Gomez michel Duval Serge Sultan Département de Psychologie Universitéde MontréalMontréalH3C 3J7Canada centre de recherche Centre Hospitalier Universitaire(CHU)Sainte-JustineMontréalH3T 1C5Canada centre de Psycho-Oncologie(CPO) CHU Sainte-JustineMontréalH3T 1C5Canada École de Travail Social UniversitéLavalQuébecG1V 0A6Canada Département de Pédiatrie Universitéde MontréalMontréalH3T 1C5Canada Département de Pédiatrie Générale CHU Sainte-JustineMontréalH3T 1C5Canada centre mère-enfant soleil CHU de Québec-UniversitéLavalQuébecG1V 4G2Canada CHU de Québec-UniversitéLaval QuébecG1V 4G2Canada Patient Partenaire CHU Sainte-JustineMontréalH3T 1C5Canada Département d’Hémato-OncologIe CHU Sainte-JustineMontréalH3T 1C5Canada

In pediatric advanced cancer,i.e.,when cancer-targeted treatments are not effective,care provided to patients is of palliative *** aims at limiting symptoms and optimizing quality of life(QoL).To orient care,it is necessary to know and measure what is really important for young ***,tools are still scarce in this *** aim of this paper is to describe the development process of a new QoL assessment method,the Advance QoL *** is specifically designed for the clinical context of pediatric advanced *** previous studies carried out by our team identified seven important QoL domains for this *** developed a tool named Advance QoL—parent/caregiver version.A current study aims to develop self-reported versions of the Advance QoL for children(8-12 years)and adolescents(13-18 years)with advanced *** the very near future,the Advance QoL tool will be available in three versions(parents/caregivers,children,and adolescents)ready to be tested in validation *** assessment of the QoL of young people with cancer is a central process in defining targets for care and should be carried out throughout the trajectory,including when cancer is at an advanced stage,i.e.,when no standard treatment options are available.

关键词： Pediatric cancer advanced cancer palliative care quality of life measures

Vasarely painting at the nanoscale on sapphire crystals

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Nano research 2020年第9期13卷 2512-2516页

作者： Caroline matringe Elsa Thune Rémy Cavalotti Ahmad Fakih Stephan Amaud Nils Blanc Nathalie Boudet Alessandro Coati Yves Garreau David Babonneau rené Guinebretière IRCER UMR CNRS 7315Centre Europeen de la CeramiqueUniversite de Limoges12 rue Atlantis87068 LimogesFrance Institut Neel UPR CNRS 2940 CRG D2AM BeamlineESRFUniversite Grenoble Alpes38042 GrenobleFrance SixS Beamline Synchrotron SOLEILBP4891192 Gifsur YvetteFrance Laboratoire materiaux et Phenomenes Quantiques UMR CNRS 7162Universite de Paris75013 ParisFrance Institut Pprime Departement Physique et Mecanique des Materiauxf UPR CNRS 3346Universite de PoitiersSP2MITSA 4112386073 Poitiers Cedex 9France

We demonstrate that convenient thermal treatment of a specific sapphire vicinal surface can induce the formation of a fully two-dimensional(2D)ordered surface made of a periodic assembly of(006)*** simiarity between the resuting surface topography and pattemns represented in the hexagon series"of paintings by Vasarely is really striking!We thus propose to call these surfaces as"nanoscaled Vasarely surfaces".We also show that the self-organization process,which is driven by the minimization of the free energy of a closed system,results in a quasi-linear isothermal growth of the facets'surface area over time.

关键词： nanoscaled Vasarely surfaces two-dimensional(2D)-self-organization sapphire vicinal surfaces

Free electron lasers driven by plasma accelerators:status and near-term prospects

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High Power Laser Science and Engineering 2021年第4期9卷 112-126页

作者： C.Emma J.Van Tilborg R.Assmann S.Barber A.Cianchi S.Corde m.E.Couprie R.D'Arcy m.Ferrario A.F.Habib B.Hidding m.J.Hogan C.B.Schroeder A.marinelli m.Labat R.Li J.Liu A.Loulergue J.Osterhoff A.R.maier B.W.J.mc Neil W.Wang SLAC National Accelerator Laboratory Menlo ParkCA 94025USA BELLA Center Lawrence Berkeley National LaboratoryBerkeleyCA 94720USA Deutsches Elektronen-Synchrotron DESY 22607 HamburgGermany INFN-LNF 00044 FrascatiItaly LOA ENSTA ParisCNRSEcole PolytechniqueInstitut Polytechnique de Paris91762 PalaiseauFrance Synchrotron soleil L'Orme des MerisiersSaint-Aubin91192 Gif-sur-YvetteFrance Scottish centre for the Application of Plasma-Based Accelerators SCAPA Department of PhysicsUniversity of StrathclydeScottish Universities Physics Alliance SUPAGlasgow G11XQUK Shanghai Institute of Optics and Fine mechanics Chinese Academy of SciencesShanghai 201800China Department of Physics University of StrathclydeScottish Universities Physics Alliance SUPAGlasgow G1IXQUK Cockcroft Institute Warrington WA44ADUK

Owing to their ultra-high accelerating gradients,combined with injection inside micrometer-scale accelerating wakefield buckets,plasma-based accelerators hold great potential to drive a new generation of free-electron lasers(FELs).Indeed,the first demonstration of plasma-driven FEL gain was reported recently,representing a major milestone for the *** groups around the world are pursuing these novel light sources,with methodology varying in the use of wakefield driver(laser-driven or beam-driven),plasma structure,phase-space manipulation,beamline design,and undulator technology,among *** paper presents our best attempt to provide a comprehensive overview of the global community efforts towards plasma-based FEL research and development.

关键词： plasma accelerators free electron lasers novel light sources