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7 results on '"Pech, Catherine"'

1. Multiomics Blood Biomarkers Predict Alzheimer from predementia with High Specificity

Author

Souchet, Benoit, primary, Michaïl, Alkéos, additional, Heuillet, Maud, additional, Dupuy‐Gayral, Aude, additional, Haudebourg, Eloi, additional, Pech, Catherine, additional, Berthemy, Antoine, additional, Billoir, Baptiste, additional, Autelitano, François, additional, Fortea, Juan, additional, Fowler, Christopher J, additional, Jayadev, Suman, additional, Lleo, Alberto, additional, Masters, Colin L, additional, Mouton‐Liger, Francois, additional, Paquet, Claire, additional, and Braudeau, Jerome, additional

Published
2023
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2. Multiomics Blood Test for Increasing Asymptomatic AD Patients Proportion in Preventive Clinical Trials

Author

Souchet, Benoit, primary, Michaïl, Alkéos, additional, Heuillet, Maud, additional, Dupuy‐Gayral, Aude, additional, Haudebourg, Eloi, additional, Pech, Catherine, additional, Berthemy, Antoine, additional, Billoir, Baptiste, additional, Autelitano, François, additional, Fortea, Juan, additional, Fowler, Christopher J, additional, Jayadev, Suman, additional, Lleo, Alberto, additional, Masters, Colin L, additional, Mouton‐Liger, Francois, additional, Paquet, Claire, additional, and Braudeau, Jerome, additional

Published
2023
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4. Diffuse Gas Condensation Induced by Variations of the Ionizing Flux

Author

Parravano, Antonio and Pech, Catherine

Subjects
Astrophysics
Abstract

The variation of an ionizing flux as a mechanism to stimulate the condensation of a diffuse gas is considered. To illustrate this effect, two situations are examined: one on the context of pregalactic conditions, and the other on the context of the actual interstellar medium. We focus our attention on flash-like variations; that is, during a ``short'' period of time the ionizing flux is enhanced in comparison to the pre- and post-flash values. In both cases the cause of the induced phase change is the same: the enhancement of the cooling rate by the increase in the electron density caused by the momentary increase of ionizing flux. After the passing of the flash, the cooling rate remains enhanced due to the ``inertia of the ionization''. In the first case (metal free gas) the cooling rate is enhanced due to the fact that the increase of the electron density makes possible the gas phase formation of H_2 by the creation of the intermediaries H^- and H^+_2. We show that after the passing of the photo-ionizing flash a cloud near thermo-chemical equilibrium at ~8000 K may be induced to increase its H_2 content by many orders of magnitude, causing a rapid decrease of its temperature to values as low as 100 K. In the second case (solar abundances gas) the dominant cooling mechanism of the warm neutral gas (the excitation of heavy ions by electron impacts) is proportional to the electron density. We show that, for the expected states of the warm interstellar gas, ionizing flashes may induce the phase transition from the warm to the cool phase. The results indicate that the mechanism of induced condensation studied here might play a relevant role in the gas evolution of the diffuse gas in both, the pregalactic and the actual interstellar medium conditions., Comment: 14 pages, 11 Postscript figures, Latex, l-aa.sty, accepted by Astronomy & Astrophysics, e-mail:parravan@ciens.ula.ve

Published
1997

5. Notch activation shifts the fate decision of senescent progenitors toward myofibrogenesis in human adipose tissue

Author

Boulet, Nathalie, primary, Briot, Anaïs, additional, Jargaud, Valentin, additional, Estève, David, additional, Rémaury, Anne, additional, Belles, Chloé, additional, Viana, Pénélope, additional, Fontaine, Jessica, additional, Murphy, Lucie, additional, Déon, Catherine, additional, Guillemot, Marie, additional, Pech, Catherine, additional, Veeranagouda, Yaligara, additional, Didier, Michel, additional, Decaunes, Pauline, additional, Mouisel, Etienne, additional, Carpéné, Christian, additional, Iacovoni, Jason S., additional, Zakaroff‐Girard, Alexia, additional, Grolleau, Jean‐Louis, additional, Galitzky, Jean, additional, Ledoux, Séverine, additional, Guillemot, Jean‐Claude, additional, and Bouloumié, Anne, additional

Published
2023
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6. NFL in CSF and serum, a potential translational dynamic biomarker of neurodegeneration in preclinical models

Author

Schussler, Nathalie, primary, Brureau, Anthony, additional, Blanchard-Bregeon, Veronique, additional, Pech, Catherine, additional, Hamon, Stephanie, additional, Chaillou, Pascal, additional, Guillemot, Jean-Claude, additional, Barneoud, Pascal, additional, Bertrand, Philippe, additional, Pradier, Laurent, additional, and Rooney, Thomas, additional

Published
2018
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7. Plasma Peptide Biomarker Discovery for Amyotrophic Lateral Sclerosis by MALDI –TOF Mass Spectrometry Profiling

Author

Conraux, Laurence, primary, Pech, Catherine, additional, Guerraoui, Halim, additional, Loyaux, Denis, additional, Ferrara, Pascual, additional, Guillemot, Jean-Claude, additional, Meininger, Vincent, additional, Pradat, Pierre-François, additional, Salachas, François, additional, Bruneteau, Gaëlle, additional, Le Forestier, Nadine, additional, and Lacomblez, Lucette, additional

Published
2013
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