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543 results on '"Carpentier, S."'

10. First wall power flux management during plasma current ramp-up on ITER

Author

Pitts, R.A., primary, Gribov, Y., additional, Coburn, J., additional, Fuentes, F.J., additional, Severino, G., additional, Vayakis, G., additional, Amoskov, V., additional, Brank, M., additional, Carpentier, S., additional, D’Amico, G., additional, Dubrov, M.L., additional, Fernández-Marina, F., additional, Jong, C., additional, Kavin, A.A., additional, Khayrutdinov, R., additional, Kocan, M., additional, Lamzin, E., additional, Loarte, A., additional, Kos, L., additional, Lukash, V.E., additional, Mitchell, N., additional, Raffray, A.R., additional, Simič, G., additional, Stangeby, P.C., additional, and Sytchevsky, S., additional

Published
2022
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11. Status of the ITER Ion Cyclotron H&CD system

Author

Lamalle, P., Beaumont, B., Kazarian, F., Gassmann, T., Agarici, G., Ajesh, P., Alonzo, T., Arambhadiya, B., Argouarch, A., Bamber, R., Berger-By, G., Bernard, J.-M., Brun, C., Carpentier, S., Clairet, F., Colas, L., Courtois, X., Davis, A., Dechelle, C., Doceul, L., Dumortier, P., Durodié, F., Ferlay, F., Firdaouss, M., Fredd, E., Giacalone, J.-C., Goulding, R., Greenough, N., Grine, D., Hancock, D., Hari, J.V.S., Hillairet, J., Hosea, J., Huygen, S., Jacquinot, J., Jacquot, J., Kaye, A.S., Keller, D., Kyrytsya, V., Lockley, D., Louche, F., Machchhar, H., Manon, E., Mantel, N., Martin, R., McCarthy, M., Messiaen, A., Meunier, L., Milanesio, D., Missirlian, M., Mohan, K., Mukherjee, A., Nightingale, M., Patadia, D., Patel, A.M., Perrollaz, G., Peters, B., Pitts, R., Porton, M., Rajnish, K., Rasmussen, D., Rathi, D., Sanabria, R., Sartori, R., Shannon, M., Simonetto, A., Singh, R., Suthar, G., Swain, D., Thomas, P., Tigwell, P., Trivedi, R.G., Vervier, M., Vrancken, M., Wilson, D., and Winkler, K.

Published
2013
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14. Operating a full tungsten actively cooled tokamak: overview of WEST first phase of operation

Author

Bucalossi, J., Achard, J., Agullo, O., Alarcon, T., Allegretti, L., Ancher, H., Antar, G., Antusch, S., Anzallo, V., Arnas, C., Arranger, D., Artaud, J. F., Aumeunier, M. H., Baek, S. G., Bai, X., Balbin, J., Balorin, C., Barbui, T., Barbuti, A., Barlerin, J., Basiuk, V., Batal, T., Baulaigue, O., Bec, A., Bécoulet, M., Benoit, E., Benard, E., Benard, J. M., Bertelli, N., Bertrand, E., Beyer, P., Bielecki, J., Bienvenu, P., Bisson, R., Bobkov, V., Bodner, G., Bottereau, C., Bouchand, C., Bouquey, F., Bourdelle, C., Bourg, J., Brezinsek, S., Brochard, F., Brun, C., Bruno, V., Bufferand, H., Bureau, A., Burles, S., Camenen, Y., Cantone, B., Caprin, E., Carpentier, S., Caulier, G., Chanet, N., Chellai, O., Chen, Y., Chernyshova, M., Chmielewski, P., Choe, W., Chomiczewska, A., Ciraolo, G., Clairet, F., Coenen, J., Colas, L., Colledani, G., Colnel, J., Coquillat, P., Corbel, E., Corre, Y., Costea, S., Courtois, X., Czarski, T., Daniel, R., Daumas, J., De Combarieu, M., Temmerman, G., De, De Vries, P., Dechelle, C., Deguara, F., Dejarnac, R., Delaplanche, J. M., Delgado-Aparicio, L. F., Delmas, E., Delpech, L., Desgranges, C., Devynck, P., Di Genova, S., Diab, R., Diallo, A., Diez, M., Dif-Pradalier, G., Dimitrova, M., Ding, B., Dittmar, T., Doceul, L., Domenes, M., Douai, D., Dougnac, H., Duan, X., Dubus, L., Dumas, N., Dumont, R., Durand, F., Durif, A., Durocher, A., Durodié, F., Ekedahl, A., Elbeze, D., Ertmer, S., Escarguel, A., Escourbiac, F., Ezato, K., Faisse, F., Faure, N., Fedorczak, N., Fejoz, P., Fenzi-Bonizec, C., Ferlay, F., Firdaouss, M., Fleury, L., Flouquet, D., Gallo, A., Gao, Y., Garbet, X., Garcia, J., Gardarein, J. L., Gargiulo, L., Garibaldi, P., Garitta, S., Gaspar, J., Gauthier, E., Gavila, P., Gazzotti, S., Gely, F., Geynet, M., Gharafi, S., Ghendrih, P., Giacalone, I., Gil, C., Ginoux, S., Girard, S., Giroux, E., Giruzzi, G., Goletto, C., Goniche, M., Gray, T., Grelier, E., Greuner, H., Grigore, E., Grisolia, C., Grosjean, A., Grosman, A., Guibert, D., Guilhem, D., Guillemaut, C., Guillermin, B., Guirlet, R., Gunn, J. P., Gunsu, Y., Gyergyek, T., Hakola, A., Harris, J., Hatchressian, J. C., Helou, W., Hennequin, P., Hernandez, C., Hill, K., Hillairet, J., Hirai, T., Hoang, G. T., Houry, M., Hutter, T., Imbeaux, F., Imbert, N., Ivanova-Stanik, I., Jalageas, R., Jardin, A., Jaubert, L., Jiolat, G., Jonas, A., Joubert, P., Kirschner, A., Klepper, C., Komm, M., Koubiti, M., Kovacic, J., Kozeiha, M., Krieger, K., Krol, K., Lacroix, B., Laguardia, L., Lamaison, V., Laqua, H., Lau, C., Lausenaz, Y., Lé, R., Le Bohec, M., Lefevre, N., Lemoine, N., Lerche, E., Lewerentz, M., Li, Y., Li, M., Liang, A., Linczuk, P., Linsmeier, C., Lipa, M., Litaudon, X., Liu, X., Llorens, J., Loarer, T., Loarte, A., Loewenhoff, T., Lombard, G., Lore, J., Lorenzetto, P., Lotte, P., Lozano, M., Lu, B., Lunsford, R., Luo, G., Magaud, P., Maget, P., Mahieu, J. F., Maini, P., Malard, P., Malinowski, K., Manas, P., Manenc, L., Marandet, Y., Marechal, J. L., Marek, S., Martin, C., Martin, E., Martinez, A., Martino, P., Mazon, D., Messina, P., Meunier, L., Midou, D., Mineo, Y., Missilian, M., Mitteau, R., Mitu, B., Mollard, P., Moncada, V., Mondiere, T., Morales, J., Moreau, M., Moreau, P., Moudden, Y., Moureau, G., Mouyon, D., Muraglia, M., Nagy, A., Nakano, T., Nardon, E., Neff, A., Nespoli, F., Nichols, J., Nicollet, S., Nouailletas, R., Ono, M., Ostuni, V., Parish, C., Park, H., Parrat, H., Pascal, J. Y., Pégourié, B., Pellissier, F. P., Peneliau, Y., Peret, M., Peysson, Y., Pignoly, E., Pintsuk, G., Pitts, R., Pocheau, C., Portafaix, C., Poulos, M., Prochet, P., Puig Sitjes, A., Rasinski, M., Raup, G., Regal-Mezin, X., Reux, C., Riccardi, B., Rice, J., Richou, M., Rigollet, F., Roche, H., Romazanov, J., Ruset, C., Sabot, R., Saille, A., Sakamoto, R., Salmon, T., Samaille, F., Santagiustina, A., Santraine, B., Sarazin, Y., Serre, E., Shin, H., Shiraiwai, S., Signoret, Ja., Signoret, Je., Simonin, A., Skalli Fettachi, O., Song, Y., Spring, A., Spuig, P., Sridhar, S., Stratton, B., Talatizi, C., Tamain, P., Tatali, R., Téna, M., Torre, A., Toulouse, L., Travère, J. M., Treutterer, W., Tsitrone, E., Unterberg, E., Urbanczyk, G., Van Eester, D., Van Rooij, G., Vartanian, S., Verger, J. M., Vermare, L., Vézinet, D., Vignal, N., Vincent, B., Vives, S., Volpe, D., Wallace, G., Wang, E., Wang, L., Wang, Yi., Wang, Yo., Wauters, T., Wirth, B., Wirtz, M., Wojenski, A., Wright, J., Xu, M., Yang, Q., Yang, H., Zago, B., Zagorski, Zhang, B., Zhang, X., Zou, X., Institut universitaire des systèmes thermiques industriels (IUSTI), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherche sur la Fusion par confinement Magnétique (IRFM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire de Physique des Plasmas (LPP), Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École polytechnique (X)-Sorbonne Université (SU)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)

Subjects
Nuclear and High Energy Physics, Tokamak, Materials science, WEST, Nuclear engineering, Phase (waves), chemistry.chemical_element, Tungsten, law.invention, [PHYS.PHYS.PHYS-PLASM-PH]Physics [physics]/Physics [physics]/Plasma Physics [physics.plasm-ph], law, ITER, divertor, DEMO, Engineering & allied operations, nuclear fusion, Superconductivity, [PHYS]Physics [physics], Divertor, RF power amplifier, magnetic confinement, Plasma, Condensed Matter Physics, chemistry, Heat flux, ddc:620, tokamak physics
Abstract

WEST is an MA class superconducting, actively cooled, full tungsten (W) tokamak, designed to operate in long pulses up to 1000 s. In support of ITER operation and DEMO conceptual activities, key missions of WEST are: (i) qualification of high heat flux plasma-facing components in integrating both technological and physics aspects in relevant heat and particle exhaust conditions, particularly for the tungsten monoblocks foreseen in ITER divertor; (ii) integrated steady-state operation at high confinement, with a focus on power exhaust issues. During the phase 1 of operation (2017–2020), a set of actively cooled ITER-grade plasma facing unit prototypes was integrated into the inertially cooled W coated startup lower divertor. Up to 8.8 MW of RF power has been coupled to the plasma and divertor heat flux of up to 6 MW m−2 were reached. Long pulse operation was started, using the upper actively cooled divertor, with a discharge of about 1 min achieved. This paper gives an overview of the results achieved in phase 1. Perspectives for phase 2, operating with the full capability of the device with the complete ITER-grade actively cooled lower divertor, are also described.

Published
2022

21. Physical body experiences questionnaire simplified for active aging (PBE-QAG): Validation with Rasch measurement theory

Author

Deng W, Van de Winckel A, and Carpentier S

Subjects
education.field_of_study, Rasch model, Physical body, Separation (statistics), Population, Ceiling effect, Psychology, education, Body awareness, Differential item functioning, Mental health, Clinical psychology
Abstract

PurposeTo validate the Physical body experiences questionnaire simplified for active aging (PBE-QAG) with Rasch measurement theory. PBE-QAG measures body awareness during physical activity and includes dimensions of body-mind relationship, body acceptance, and awareness of physical skills and limits.MethodsAdults without pain (n=269), with pain (n=61), with mental health conditions (n=200), and with stroke (n=36) were recruited at the Minnesota State Fair, Highland Fest, and in the Brain Body Mind Lab (University of Minnesota) and completed demographic and clinical questionnaires as well as the PBE-QAG. The PBE-QAG has 12 items, with scores ranging between 0 (totally true) to 4 (totally false). A low total score on the PBE-QAG reflects better body awareness. We evaluated item and person fit, targeting, unidimensionality, person separation reliability (PSR), local item dependence (LID), and differential item functioning (DIF) for demographic and clinical characteristics. We compared with Kruskal-Wallis ANOVA the person mean location in four groups: Adults with or without mental health conditions; and whether those groups did body awareness training.ResultsUnidimensionality and item fit were obtained after deleting 2 and rescoring 5 items. Seven participants did not fit the model (1.23%). There was minimal floor (5.72%), no ceiling effect (0.00%), and no LID. No DIF was greater than 0.50 logits for any of the variables. The Wright-corrected PSR was 0.96. The person mean location was -1.71±1.21 logits. Adults with mental health conditions who did not practice body awareness had a higher person mean location [Median (IQR)=0.83(0.89) logits, pConclusionsPBE-QAG demonstrated good item and person fit, but the targeting is off. Therefore, the current version of PBE-QAG is not recommended for use in the general population. We encourage further validation of PBE-QAG in adults with mental health conditions who do not practice body awareness.

Published
2021

24. Very high-resolution infrared imagery of misaligned tungsten monoblock edge heating in the WEST tokamak

Author

Grosjean, A., primary, Corre, Y., additional, Gaspar, J., additional, Gunn, J.P., additional, Carpentier, S., additional, Courtois, X., additional, Dejarnac, R., additional, Delmas, E., additional, De Temmerman, G., additional, Diez, M., additional, Dubus, L., additional, Dupont, L., additional, Escourbiac, F., additional, Firdaouss, M., additional, Gerardin, J., additional, Houry, M., additional, Pitts, R., additional, Pocheau, C., additional, and Tsitrone, E., additional

Published
2021
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25. Concept and development of ITER divertor thermography diagnostic

Author

Reichle, R., Andrew, Ph., Balorin, C., Brichard, B., Carpentier, S., Corre, Y., Davi, M., Daviot, R., Desgranges, C., Gardarein, J.L., Gauthier, E., Guilhem, D., Gicquel, S., Herrmann, A., Hernandez, D., Jouve, M., Le Niliot, Ch., Loarer, Th., Martin, A., Martins, J.P., Migozzi, J.-B., Patterlini, J.P., Pocheau, C., Rigollet, F., Roche, H., and Travere, J.M.

Published
2009
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29. Overview of the deuterium inventory campaign in Tore Supra: Operational conditions and particle balance

Author

Pégourié, B., Brosset, C., Tsitrone, E., Beauté, A., Brémond, S., Bucalossi, J., Carpentier, S., Corre, Y., Delchambre, E., Desgranges, C., Devynck, P., Douai, D., Dunand, G., Ekedahl, A., Escarguel, A., Gauthier, E., Gunn, J.P., Hertout, P., Hong, S.-H., Kazarian, F., Kočan, M., Linez, F., Marandet, Y., Martinez, A., Mayer, M., Meyer, O., Monier-Garbet, P., Moreau, P., Oddon, P., Pascal, J.-Y., Rimini, F., Roth, J., Saint-Laurent, F., Samaille, F., Vartanian, S., Arnas, C., Aréou, E., Gil, C., Lasalle, J., Manenc, L., Martin, C., Richou, M., Roubin, P., and Sabot, R.

Published
2009
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38. Reactive oxygen species production by mitochondria in endothelial cells exposed to reoxygenation after hypoxia and glucose depletion is mediated by ceramide

Author

Therade-Matharan, S., Laemmel, E., Carpentier, S., Obata, Y., Levade, T., Duranteau, J., and Vicaut, E.

Subjects
Endothelium -- Research, Mitochondria -- Research, Ceramides -- Health aspects, Biological sciences
Abstract

In endothelium, reoxygenation after hypoxia (H/R) has been shown to induce production of reactive oxygen species (ROS) by complex III of the mitochondrial respiratory chain. The purpose of the present study was to test the involvement of ceramide in this phenomenon. Human umbilical vein endothelial cells underwent 2 h of hypoxia ([P.sub.[O.sub.2]], ~20 mmHg) without glucose and 1 h of reoxygenation ([P.sub.[O.sub.2]], ~120 mmHg) with glucose. ROS production was measured by the fluorescent marker 2',7'-dichlorodihydrofluorescein diacetate, and cell death by propidium iodide. We showed that 1) after 1 h of reoxygenation, fluorescence had risen and that ROS production was inhibited by desipramine, an inhibitor of sphingomyelinase, an enzyme responsible for ceramide production (126 [+ or -] 7% vs. 48 [+ or -] 12%, P < 0.05); 2) administration of ceramide (N-acetylsphingosine) per se (i.e., in the absence of H/R) induced ROS production (65 [+ or -] 3%), which was inhibited by complex III inhibitor: antimycin A (24 [+ or -] 3%, P < 0.0001), or stigmatellin (31 [+ or -] 2%, P < 0.0001); 3) hypoxia/reoxygenation-induced ROS production was not affected by either ceramide-activated protein kinase inhibitor dimethyl aminopurine or mitochondrial permeability transition inhibitor cyclosporin A but was significantly inhibited by the antiapoptotic protein Bc1-2 (82 [+ or -] 8%, P < 0.05) ; 4) ceramide-induced ROS production was also inhibited by Bcl-2 (41 [+ or -] 4%, P < 0.0001). These results demonstrate that in endothelial cells submitted to hypoxia and glucose depletion followed by reoxygenation with glucose, the pathway implicated in mitochondrial complex III ROS production is ceramide dependent and is decreased by the antiapoptotic protein Bcl-2. [H.sub.2][O.sub.2]

Published
2005

40. p27(super kip 1) regulates the apoptotic response of gastric epithelial cells to Helicobacter pylori

Author

Eguchi, H., Carpentier, S., Kim, S.S., and Moss, S.F.

Subjects
Helicobacter pylori -- Research, Apoptosis -- Evaluation, Stomach cancer -- Research, Health
Abstract

The role of low level of p27 protein in the resistance to apoptosis of gastric cancer cells is examined. Low gastric p27 inhibits apoptotic pathways and promotes gastric carcinogenesis associated with helicobacter pylori.

Published
2004

41. Collagenous spherulosis in an adenomyoepithelioma of the breast

Author

Reis-Filho, J.S., Fulford, L.G., Crebassa, B., Carpentier, S., and Lakhani, S.R.

Subjects
Health
Abstract

Collagenous spherulosis (CS) is an incidental finding that usually occurs in association with benign proliferative and preinvasive lesions. Adenomyoepithelioma is a biphasic neoplasm of the breast, composed of both luminal [...]

Published
2004

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