Search Results - "Boucher, Virginie"

Direct evidence of two equilibration mechanisms in glassy polymers by Cangialosi, Daniele, Boucher, Virginie M, Alegría, Angel, Colmenero, Juan

“…We investigated the kinetics of enthalpy recovery of several glass-forming polymers at temperatures significantly below the glass transition temperature (Tg)…”
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Enthalpy Recovery in Nanometer to Micrometer Thick Polystyrene Films by Boucher, Virginie M, Cangialosi, Daniele, Alegría, Angel, Colmenero, Juan

“…The physical aging of polystyrene (PS) free-standing films has been investigated as a function of the films thickness, ranging from several micrometers to tens…”
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Enhanced physical aging of polymer nanocomposites: The key role of the area to volume ratio by Cangialosi, Daniele, Boucher, Virginie M., Alegría, Angel, Colmenero, Juan

“…The physical aging process, namely the spontaneous evolution of the thermodynamic state occurring in glasses, has been monitored in poly(methyl methacrylate)…”
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Mobility and glass transition temperature of polymer nanospheres by Zhang, Chuan, Boucher, Virginie M., Cangialosi, Daniele, Priestley, Rodney D.

“…Recent studies have illustrated a decoupling between cooperative segmental mobility and the glass transition temperature (Tg) of thin polymer films and…”
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Enthalpy Recovery of Glassy Polymers: Dramatic Deviations from the Extrapolated Liquidlike Behavior by Boucher, Virginie M, Cangialosi, Daniele, Alegría, Angel, Colmenero, Juan

“…We performed a systematic study on the recoverable enthalpy in several glass-forming polymers. We found that after prolonged isothermal physical aging the…”
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Enthalpy Recovery of PMMA/Silica Nanocomposites by Boucher, Virginie M, Cangialosi, Daniele, Alegría, Angel, Colmenero, Juan

“…In this work, we have studied the effect of silica particles on the physical aging of nanocomposites based on poly(methyl methacrylate) (PMMA). To do that, we…”
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Accounting for the thickness dependence of the Tg in supported PS films via the volume holes diffusion model by Boucher, Virginie M., Cangialosi, Daniele, Alegría, Angel, Colmenero, Juan

“…•Supported thin PS films exhibit Tg reduction.•Tg reduction is not accompanied by a change in the segmental dynamics.•Tg reduction and unchanged segmental…”
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Volume recovery of polystyrene/silica nancomposites by Cangialosi, Daniele, Boucher, Virginie M, Alegría, Angel, Colmenero, Juan

“…Macroscopic volume as well as capacitive dilatometry (CD) measurements have been performed on polystyrene/silica nanocomposites during the course of physical…”
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Volume recovery of polystyrene/silica nanocomposites by Cangialosi, Daniele, Boucher, Virginie M., Alegría, Angel, Colmenero, Juan

“…Macroscopic volume as well as capacitive dilatometry (CD) measurements have been performed on polystyrene/silica nanocomposites during the course of physical…”
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Physical aging in PMMA/silica nanocomposites: Enthalpy and dielectric relaxation by Boucher, Virginie M., Cangialosi, Daniele, Alegrìa, Angel, Colmenero, Juan, González-Irun, Juan, Liz-Marzan, Luis M.

“…We have investigated the physical aging below the glass transition temperature, namely the slow evolution occurring in non-equilibrium glasses, of poly(methyl…”
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Arabidopsis thaliana Expresses Multiple Lines of Defense to Counterattack Erwinia chrysanthemi by Fagard, M, Dellagi, A, Roux, C, Périno, C, Rigault, M, Boucher, V, Shevchik, V.E, Expert, D

“…Many taxonomically diverse plant species are attacked by Erwinia chrysanthemi, a member of the causal agents of soft-rotting diseases. Symptom development is…”
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Time dependence of the segmental relaxation time of poly(vinyl acetate)-silica nanocomposites by Boucher, Virginie M, Cangialosi, Daniele, Alegría, Angel, Colmenero, Juan

“…The aging-time dependence of the segmental relaxation time of poly(vinyl acetate) (PVAc) in the glassy state is investigated in the bulk polymer and its…”
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Chemical control of the aromatic disulfide exchange kinetics for tailor-made epoxy vitrimers by Ruiz de Luzuriaga, Alaitz, Solera, Gema, Azcarate-Ascasua, Izaskun, Boucher, Virginie, Grande, Hans-Jürgen, Rekondo, Alaitz

“…Aromatic disulfides containing epoxy vitrimers are one of the most versatile materials and the top candidates for employment in industrial applications, as…”
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Cortical and subcortical projections to primary visual cortex in anophthalmic, enucleated and sighted mice by Charbonneau, Valérie, Laramée, Marie-Eve, Boucher, Virginie, Bronchti, Gilles, Boire, Denis

“…The purpose of this study was to identify and compare the afferent projections to the primary visual cortex in intact and enucleated C57BL/6 mice and in…”
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Dickeya dadantii pectic enzymes necessary for virulence are also responsible for activation of the Arabidopsis thaliana innate immune system by Expert, Dominique, Patrit, Oriane, Shevchik, Vladimir E., Perino, Claude, Boucher, Virginie, Creze, Christophe, Wenes, Estelle, Fagard, Mathilde

“…Summary Soft‐rot diseases of plants attributed to Dickeya dadantii result from lysis of the plant cell wall caused by pectic enzymes released by the bacterial…”
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MtPM25 is an atypical hydrophobic late embryogenesis-abundant protein that dissociates cold and desiccation-aggregated proteins by BOUCHER, VIRGINIE, BUITINK, JULIA, LIN, XIAODONG, BOUDET, JULIE, HOEKSTRA, FOLKERT A, HUNDERTMARK, MICHAELA, RENARD, DENIS, LEPRINCE, OLIVIER

“…Late embryogenesis-abundant (LEA) proteins are one of the components involved in desiccation tolerance (DT) by maintaining cellular structures in the dry…”
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Effects of 4-hydroxytamoxifen, raloxifene and ICI 182 780 on survival of uterine cancer cell lines in the presence and absence of exogenous estrogens by LEBLANC, Kim, SEXTON, Emilie, PARENT, Sophie, BELANGER, Geoffroy, DERY, Marie-Claude, BOUCHER, Virginie, ASSELIN, Eric

“…The impact of 17beta-estradiol and antiestrogens on uterine cancer cells is poorly understood. The aim of this study was to determine the impact of…”
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Reaching the ideal glass transition by aging polymer films by Boucher, Virginie M, Cangialosi, Daniele, Alegria, Angel, Colmenero, Juan

“…Searching for the ideal glass transition, we exploit the ability of glassy polymer films to explore low energy states in remarkably short time scales. We use…”
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