Littérature scientifique sur le sujet « Supports activateurs »
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Articles de revues sur le sujet "Supports activateurs"
Czuba, Beata. « Social support for veterans ». Scientific Journal of the Military University of Land Forces 199, no 1 (18 mars 2021) : 5–20. http://dx.doi.org/10.5604/01.3001.0014.8106.
Texte intégralSolmonson, Ashley, Brandon Faubert, Wen Gu, Aparna Rao, Mitzy A. Cowdin, Ivan Menendez-Montes, Sherwin Kelekar et al. « Compartmentalized metabolism supports midgestation mammalian development ». Nature 604, no 7905 (6 avril 2022) : 349–53. http://dx.doi.org/10.1038/s41586-022-04557-9.
Texte intégralMyers, Elizabeth A., et Linda Rinaman. « Trimethylthiazoline supports conditioned flavor avoidance and activates viscerosensory, hypothalamic, and limbic circuits in rats ». American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 288, no 6 (juin 2005) : R1716—R1726. http://dx.doi.org/10.1152/ajpregu.00479.2004.
Texte intégralPollak, Shaul, Shira Omer-Bendori, Eran Even-Tov, Valeria Lipsman, Tasneem Bareia, Ishay Ben-Zion et Avigdor Eldar. « Facultative cheating supports the coexistence of diverse quorum-sensing alleles ». Proceedings of the National Academy of Sciences 113, no 8 (19 janvier 2016) : 2152–57. http://dx.doi.org/10.1073/pnas.1520615113.
Texte intégralFraser, Lynn R. « Strontium supports capacitation and the acrosome reaction in mouse sperm and rapidly activates mouse eggs ». Gamete Research 18, no 4 (décembre 1987) : 363–74. http://dx.doi.org/10.1002/mrd.1120180410.
Texte intégralGrisan, Francesca, Martina Spacci, Carlotta Paoli, Andrea Costamagna, Marco Fantuz, Miriam Martini, Konstantinos Lefkimmiatis et Alessandro Carrer. « Cholesterol Activates Cyclic AMP Signaling in Metaplastic Acinar Cells ». Metabolites 11, no 3 (26 février 2021) : 141. http://dx.doi.org/10.3390/metabo11030141.
Texte intégralWu, Sheng-Shiung, Sing-Jie Jong, Kai Hu et Jiann-Ming Wu. « Learning Neural Representations and Local Embedding for Nonlinear Dimensionality Reduction Mapping ». Mathematics 9, no 9 (30 avril 2021) : 1017. http://dx.doi.org/10.3390/math9091017.
Texte intégralKolańczyk, Alina. « When Affect Supports Cognitive Control – A Working Memory Perspective ». Polish Psychological Bulletin 47, no 1 (1 avril 2016) : 29–42. http://dx.doi.org/10.1515/ppb-2016-0004.
Texte intégralRafei, Moutih, Alexandre Rouette, Sylvie Brochu, Juan Ruiz Vanegas et Claude Perreault. « Differential effects of γc cytokines on postselection differentiation of CD8 thymocytes ». Blood 121, no 1 (3 janvier 2013) : 107–17. http://dx.doi.org/10.1182/blood-2012-05-433508.
Texte intégralShih, Han-Yu, William Olcott et Michael Krangel. « Chromatin conformations and contacts that support Tcra/d locus rearrangement (62.2) ». Journal of Immunology 186, no 1_Supplement (1 avril 2011) : 62.2. http://dx.doi.org/10.4049/jimmunol.186.supp.62.2.
Texte intégralThèses sur le sujet "Supports activateurs"
Sauter, Dominique. « Développement de nouveaux supports activateurs solides pour la polymérisation des oléfines ». Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1249.
Texte intégralPannier, Gaëlle. « Développement de nouveaux supports activateurs de catalyseurs à site unique pour la polymérisation des oléfines ». Lyon 1, 2008. http://www.theses.fr/2008LYO10196.
Texte intégralSince around ten years, the research on the metallocenes complexes heterogeneisation realized in the “Laboratoire de Chimie et Catalyse de Polymerisation” (LCPP) evolved a lot. The used chemistry is complex and based on inorganic supports surface modifications allowing to obtain activating sites of métallocènes for olefins polymerization. This research allowed the development of the new concept of activating support. The obtaining of solid activators for organometallic complexes, very effective for the olefins polymerization, was realized without addition of a homogeneous activator (MAO, borate). However, the main drawback of these new supports is the presence of a very limited number of activating sites. The purpose of this PhD work was to try to better understand how these activating supports work, and thus to find how it is possible to control their preparation to improve them. Both main characteristics of the activating supports are the necessity of a fluorination stage during their preparation, and the presence of hydroxyls groups involved in the process of metallocene activation. During this study, we developed at once new ways of fluorination and preparation of surface hydroxyls. The most effective supports allowed the obtaining of good catalytic activities, the same order as those obtained in solution with the MAO, as well as the polymers possessing particle morphology
Bisiriyu, Muhammad Taoheed. « Préparation et Caractérisation de Nouveaux Catalyseurs Supportés à base de Rhénium pour la Metathèse des Oléfiness ». Electronic Thesis or Diss., Lyon 1, 2023. https://n2t.net/ark:/47881/m6sb45v3.
Texte intégralRepositioned heterogeneous catalysts based on rhenium hold a unique position in olefin metathesis, a widely used reaction in various industrial processes, due to their ability to catalyze the exchange of olefinic fragments at room temperature. Among the catalysts described in the literature, materials obtained by activating methylrhenium trioxo (MTO) on supports containing Lewis acids, such as alumina, silica-alumina, and zinc chloride-modified alumina, have shown high initial activities in olefin metathesis. However, these catalytic systems have certain limitations, such as a low proportion of active sites and rapid deactivation. The aim of this thesis was to develop a new method for synthesizing supported catalysts that involves ligand exchange between activating supports and the MTO precursor. The general strategy is to design activating supports bearing alkyl and/or chloride ligands that, upon transfer to rhenium followed by α-H abstraction, not only increase the fraction of active "carbene" sites but also exhibit significant activity in olefin metathesis. Thus, the first part of this work focused on the development of aluminum-based activating supports. The targeted activating supports, comprising Al-CH2tBu or Al-Cl fragments, are formed by surface organometallic chemistry grafting of [Al(CH2tBu)3] or [Al(CH2tBu)2Cl]2 onto dehydroxylated silica or alumina at 700°C or 200°C. The structure of the resulting materials, determined by mass balance analysis, DRIFT spectroscopy, and solid-state NMR, depends on the support dehydroxylation temperature, as well as the choice of precursor and solvent. For example, [Al(CH2tBu)3] reacts with silica (SiO2-700) to selectively yield monopodal species in ether, [≡SiO-Al(CH2tBu)(Et2O)], while in pentane, the major species obtained is bipodal, [(≡SiO)2Al(CH2tBu)], with the transfer of a neopentyl ligand to silicon through siloxane bridge opening. The second step involves the activation of MTO on these activating supports. For instance, the activation of MTO on [(≡SiO)2Al(CH2tBu)] results in the transfer of a neopentyl ligand, forming a penta-coordinated species with the structure [(≡SiO)2AlO-Re(=O)2(Me)CH2tBu)]. This species is characterized by mass balance analysis, DRIFT spectroscopy, solid-state NMR and EXAFS. Upon heating to 70°C, this species undergoes a α-H abstraction to yield a supported catalyst with a rhenium-carbene fragment. This new catalytic system exhibits better catalytic performances for propylene metathesis, compared to the classical MTO/γ-Al2O3 catalyst. The better activity is primarily attributed to a higher proportion of active sites achieved through this new MTO activation strategy involving a ligand exchange. This is the first example of MTO supported on a functionalized silica that is an active catalyst for olefin metathesis
Tudella, Joana. « Nouvelles approches pour la résolution de problèmes récurrents en polymérisation des oléfines ». Bordeaux 1, 2008. http://www.theses.fr/2008BOR13791.
Texte intégralZouhri, Yassir. « Amélioration du procédé de synthèse de polychlorure de vinyle par décomposition catalytique de peroxydes ». Electronic Thesis or Diss., Université de Lille (2022-....), 2022. http://www.theses.fr/2022ULILR017.
Texte intégralThe acceleration of radical suspension polymerization of vinyl chloride monomer (VCM) by peroxide initiation using a redox system has been investigated as well as its impact on the properties of the resulting polyvinyl chloride (PVC). This project is part of a CIFRE collaboration between the company Vynova-Mazingarbe and the MOCAH team of the UCCS Laboratory of the University of Lille. The initiation of the polymerization was based on the formation of radicals via redox decomposition of a peroxide pre-initiator, promoted by a dual-component activator, so-called “kicker”. This kicker consists of an organometallic derivative in catalytic amount, the catalyst, that reduces the peroxide and causes its decomposition combined with a reducing agent, which is able to regenerate the oxidized form of the catalyst. A preliminary development stage was carried out on a model monomer of VCM, 1-chlorobutane, to provide a first evaluation of the effect of redox initiation with the kicker before being applied in the suspension polymerization of VCM. A series of iron-based catalysts, mainly ferrocene (Fc) and its derivatives, combined with a range of water-soluble reducing agents, have been evaluated toward the decomposition of di-(2-ethylhexylperoxydicarbonate) (EHP) or lauroyl peroxide (LPO) as pre-initiators. When applied to the suspension polymerization of VCM, a significant improvement in rate has been achieved using Fc/Rongalite or decamethylferrocene/Rongalite as kicker in the presence of EHP or LPO. The use of a phase transfer agent to improve the interaction between the kicker compounds located in different phases has also been examined; the cetyltrimethylammonium bromide phase transfer agent used in this study has been shown to further improve the performance of the Fc/Rongalite kicker under certain optimized conditions. Other reducing agents, including some new ones, belonging to the family of sulfinates and potentially more soluble in the organic phase have been synthesized, using Rongalite as a starting product. Within this family, all compounds, in particular dicyclohexylammonium N-perfluoroethane α-aminomethanesulfinate, have shown a good efficiency in accelerating the rate of polymerization when combined with Fc in the presence of EHP peroxide, while preserving the stability of the reaction medium as well as the properties of the resulting polymer
Tsai, Chi-Chang, et 蔡琦璋. « Musashi1 activates STAT3 signaling pathway and supports cell survival of glioblastoma cells ». Thesis, 2014. http://ndltd.ncl.edu.tw/handle/70590446089759879560.
Texte intégral國立陽明大學
解剖學及細胞生物學研究所
102
The RNA-binding protein Musashi-1 contains two RNA recognition motifs (RRMs), and acts an important role in maintaining the self-renew of mammalian neural stem/progenitor cells. By overexpressed Musashi-1 in GBM cell lines we have established, we found that Musashi-1 may promote drug resistance and against drug-induced apoptosis. Previous studies have shown that Musashi-1 regulates mRNA expression level through binding to 3'UTR and represses its translation. However, there is little known about Musashi-1 also interacts with the proteins. In this study, we identify Stat3 as a Musashi-1 binding protein, and find that Musashi-1 enhances Stat3 phosphorylation on serine 727 under stress stimulation. We also demonstrate that Musashi-1 regulates p-Stat3 (serine727) translocating to the nuclear under stress stimulation by extracting nuclear and cytoplasmic fraction. Taken together, our data suggest that Musashi-1 can activate Stat3 signaling, which not only promote Stat3 phosphorylation, but also influence its function. Therefore, Musashi-1 and Stat3 are potential targets for GBM prevention and treatment.
Chapitres de livres sur le sujet "Supports activateurs"
Nakashige, Mutsuhiro, Ryota Shibusawa et Katsutoshi Oe. « Vocal Behavior Acquisition with a Toy Operating by Sound Detection ». Dans Assistive Technology : Shaping a Sustainable and Inclusive World. IOS Press, 2023. http://dx.doi.org/10.3233/shti230656.
Texte intégralSchwartzman, Roy. « Trumping Reason ». Dans Advances in Linguistics and Communication Studies, 269–95. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7439-3.ch015.
Texte intégralDas, Rupa, et Saikat Biswas. « Influence of Abiotic Stresses on Seed Production and Quality ». Dans Seed Biology Updates [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106045.
Texte intégralSayeduzzaman, Md, et Ashik Mahmud. « Design and Implementation of a Multi-Source Automatic Transfer Switch (ATS) System to Run the Utility Systems Via Different Power Sources and 3-Phase Synchronous Industrial Generator ». Dans Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde221199.
Texte intégralBamshad, Michael J., et Lynn B. Jorde. « TBX3 and TBX5 and the Ulnar–Mammary and Holt–Oram Syndromes ». Dans Inborn Errors Of Development, 867–77. Oxford University PressNew York, NY, 2008. http://dx.doi.org/10.1093/oso/9780195306910.003.0094.
Texte intégralPoletto, Cecilia, et Jean-Yves Pollock. « Remnant movement and smuggling in some romance interrogative clauses ». Dans Smuggling in Syntax, 255–317. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780197509869.003.0010.
Texte intégralVasylyshyna, N. M., et N. V. Honcharenko-Zakrevska. « SECTION #2. INNOVATIVE METHODS AND TECHNOLOGIES IN THE STUDY AND TEACHING OF FOREIGN 2.1 THE EFFICIENCY OF NEW TEACHING METHODOLOGIES IN THE PROCESS OF SHAPING FOREIGN COMMUNICATIVE COMPETENCIES ». Dans CURRENT THEORY AND PRACTICE ASPECTS OF LINGUISTICS, SOCIOLINGUISTICS AND METHODOLOGY OF FOREIGN LANGUAGES AT UNIVERSITIES IN MODERN GLOBAL HIGHER EDUCATIONAL SPACE. RS Global Sp. z O.O., 2022. http://dx.doi.org/10.31435/rsglobal/052-4.
Texte intégralActes de conférences sur le sujet "Supports activateurs"
« DIGITAL SUPPORT ACTIVATES YOUNG ELDERLY TO HEALTH-ENHANCING PHYSICAL ACTIVITY ». Dans 15th International Conference on ICT, Society and Human Beings (ICT 2022), the 19th International Conference Web Based Communities and Social Media (WBCSM 2022) and 14th International Conference on e-Health (EH 2022). IADIS Press, 2022. http://dx.doi.org/10.33965/ict_wbc_eh2022_202204l023.
Texte intégralQu, Dongfeng, Nathaniel Weygant, Randal May, William Berry, James Tomasek, Parthasarathy Chandrakesan, Michael Schlosser et Courtney Houchen. « Abstract 1731 : Overexpression of DCLK1 in pancreatic cancer activates KRAS/PI3K/MTOR pathway signaling and supports tumorigenesis, invasiveness, and stemness ». Dans Proceedings : AACR 107th Annual Meeting 2016 ; April 16-20, 2016 ; New Orleans, LA. American Association for Cancer Research, 2016. http://dx.doi.org/10.1158/1538-7445.am2016-1731.
Texte intégralDing, Houzhu, et Robert C. Chang. « Bioprinting of Liquid Hydrogel Precursors in a Support Bath by Analyzing Two Key Features : Cell Distribution and Shape Fidelity ». Dans ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6675.
Texte intégralOfosu, F. A., G. J. Modi, M. R. Buchanan, J. Hirsh et M. A. Blajchman. « HEPARIN IS NOT AN EFFICIENT INHIBITOR OF THE FACTOR Xa-DEPENDENT ACTIVATION OF FACTOR V AND FACTOR VIII ». Dans XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1642931.
Texte intégralVigneri, Valentino, Christoph Odenbreit et Matthias Braun. « Numerical evaluation of the plastic hinges developed in headed stud shear connectors in composite beams with profiled steel sheeting ». Dans 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Valencia : Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.7166.
Texte intégralTans, G., J. Rosing, M. Berrettini, B. Lammle et J. H. Griffin. « AUTOACTIVATION OF HUMAN PLASMA PREKALLIKREIN ». Dans XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1642898.
Texte intégralMorrison, Matthew C., et Kenneth J. Bateman. « Transfer and Storage of Molten Salt for the Pyroprocessing of Used Nuclear Fuel ». Dans ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36481.
Texte intégralHariman, H., J. R. Hughes, P. J. Grant et J. A. Davies. « THE EFFECTS OF PHYSIOLOGICAL CONCENTRATIONS OF VASOPRESSIN ON COMPONENTS OF THE FIBRINOLYTIC PATHWAY ». Dans XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643121.
Texte intégralMorrissey, J. H., S. A. Gregory et T. S. Edgington. « DIFFERENTIAL EXPRESSION AND SUBCELLULAR LOCALIZATION OF TISSUE FACTORIN A CONSTITUTIVE VERSUS AN INDUCIBLE CELL TYPE ». Dans XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643739.
Texte intégralRampart, M., H. Bult, A. G. Herman, P. J. Jose et T. J. Williams. « PROSTACYCLIN (PGI2) FORMATION IN RELATION TO ANAPHYLATOXIN C5a GENERATION DURING RABBIT ENDOTOXIN SHOCK ». Dans XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1642837.
Texte intégralRapports d'organisations sur le sujet "Supports activateurs"
Lytvynova, Svitlana H. Хмаро орієнтоване навчальне середовище загальноосвітнього навчального закладу. [б. в.], août 2018. http://dx.doi.org/10.31812/0564/2451.
Texte intégralPrusky, Dov, Noel T. Keen et Stanley Freeman. Elicitation of Preformed Antifungal Compounds by Non-Pathogenic Fungus Mutants and their Use for the Prevention of Postharvest Decay in Avocado Fruits. United States Department of Agriculture, janvier 1996. http://dx.doi.org/10.32747/1996.7570573.bard.
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