Philippe JEAN-PIERRE

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• Type de publi. : Article dans une revue
• Date de publi. : 12/04/2023
• Auteurs : Aminou Elhadj OumarouKosma PhilippeNoubissie Tchiagam Jean BaptisteMetsena PierreRapmo Kononer Serge
• Organismes : Department of Agriculture, Livestock and By Products, National Advanced School of Engineering of Maroua, University of Maroua, P.O. Box-46 Maroua, Cameroon. Department of Agriculture, Livestock and By Products, National Advanced School of Engineering of Maroua, University of Maroua, P.O. Box-46 Maroua, Cameroon. Department of Biological Sciences, Faculty of Science, University of Ngaoundere, P.O. Box-454 Ngaoundere, Cameroon. Department of Agriculture, Livestock and By Products, National Advanced School of Engineering of Maroua, University of Maroua, P.O. Box-46 Maroua, Cameroon. Department of Agriculture, Livestock and By Products, National Advanced School of Engineering of Maroua, University of Maroua, P.O. Box-46 Maroua, Cameroon.
• Publié dans International Journal of Pathogen Research le 02/06/2024

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Résumé : Objective: Onion (Allium cepa L.) is a vegetable crop with an important economic asset for Cameroonian farmers. The objective of this study is to evaluate the effects of different formulations of K. senegalensis on late blight, the main onion disease in the department of Diamaré, (Far North, Cameroon). Methodology and Results: For this purpose, an experimental split-splot device consisting of three blocks (repeats), comprising three varieties (Chagari, Goudami and Blanc de galmi) of onion and eight treatments (TtN, Ttp, THK1, THK2, TEFK1, TEFK2, TEEK1 and TEEK2) was used in two study sites (Gayak and Wouro-Mayo) and during two agricultural seasons (2020 and 2021). After data collection and analysis, the results obtained show that the mean value of the highest incidence was obtained with Ttn treatment (34.44) in Gayak in 2020, and the lowest value was obtained with THK2 (0.00) in Wouro-Mayo. In 2021, the highest mean value was recorded in Gayak with TtN (32.03) and the lowest incidence is observed with TEEK2 (0.37) in Wouro-Mayo. Moreover, the highest severity was obtained with TtN (17.58) in Wouro-Mayo in 2020, and the lowest with THK2 (0.00) at the same site. In 2021, the lowest severity was observed with THK2 (0.18) in Gayak and the highest with TtN (14.90) in Gayak. The highest yields were recorded with THK2 (160.27 t/ha) at Wouro-Mayo in 2020 and THK2 (169.46 t/ha) in 2021 at the same study site. On the other hand, the lowest yields were obtained in Gayak with TtN (79.6 t/ha) in 2020 and in 2021 with TtN (92.26 t/ha) at the same site. Conclusion and Application of Findings: The oil and aqueous extracts of Khaya senegalensis bark could therefore constitute an alternative to synthetic pesticides in the context of integrated onion disease management.

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• Type de publi. : Article dans une revue
• Date de publi. : 12/04/2023
• Auteurs : Bertrand NapoléonAndrea LisottiFabrice CaillolMohamed GasmiPhilippe Ah-SouneArthur BelleAntoine CharachonFranck CholetPierre-Yves EyraudPhilippe GrandvalJean-Michel GonzalezFrançois HabersetzerStéphane KochMarc Le RhunLuigi MangialavoriNicolas MusquerMaxime PalazzoLaurent PoinclouxJocelyn PrivatAdrien SportesMorgane StouvenotClement SubtilLucie ThomassinGeoffroy VanbiervlietGuillaume VidalLucine VuittonMarc GiovanniniMarc Barthet
• Organismes : Institute for Translational Medicine and Liver Disease Institut de Recherche sur les Maladies Virales et Hépatiques
• Publié dans Gastrointestinal Endoscopy le 24/02/2017

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Résumé : Background and Aims EUS-guided radiofrequency ablation (EUS-RFA) has been described as a potentially curative option for solid and cystic pancreatic neoplasms. We aimed to assess the safety and efficacy of pancreatic EUS-RFA in a large study population. Methods A retrospective study retrieving all consecutive patients who underwent pancreatic EUS-RFA during 2019 and 2020 in France was conducted. Indication, procedural characteristics, early and late adverse events (AEs), and clinical outcomes were recorded. Risk factors for AEs and factors related to complete tumor ablation were assessed on univariate and multivariate analyses. Results One hundred patients (54% men, 64.8 ± 17.6 years old) affected by 104 neoplasms were included. Sixty-four neoplasms were neuroendocrine neoplasms (NENs), 23 were metastases, and 10 were intraductal papillary mucinous neoplasms with mural nodules. No procedure-related mortality was observed, and 22 AEs were reported. Proximity of pancreatic neoplasms (≤1 mm) to the main pancreatic duct was the only independent risk factor for AEs (odds ratio [OR), 4.10; 95% confidence interval [CI), 1.02-15.22; P = .04). Fifty-nine patients (60.2%) achieved a complete tumor response, 31 (31.6%) a partial response, and 9 (9.2%) achieved no response. On multivariate analysis, NENs (OR, 7.95; 95% CI, 1.66-51.79; P < .001) and neoplasm size <20 mm (OR, 5.26; 95% CI, 2.17-14.29; P < .001) were independently related to complete tumor ablation. Conclusions The results of this large study confirm an overall acceptable safety profile for pancreatic EUS-RFA. Close proximity (≤1 mm) to the main pancreatic duct represents an independent risk factor for AEs. Good clinical outcomes in terms of tumor ablation were observed, especially for small NENs.

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• Type de publi. : Article dans une revue
• Date de publi. : 12/04/2023
• Auteurs : Shengli TaoZurui AoWigneron J.-P.Sassan SaatchiPhilippe CiaisJérôme ChaveThuy Le ToanPierre-Louis FrisonXiaomei HuChi ChenLei FanMengjia WangJiangling ZhuXia ZhaoXiaojun LiXiangzhuo LiuYanjun SuTianyu HuQinghua GuoZhiheng WangZhiyao TangYi LiuJingyun Fang
• Organismes : Peking University [Beijing] South China Normal University [Guangdong, China] = Université normale de Chine du Sud [Canton, Chine] = 華南師范大學 Interactions Sol Plante Atmosphère California Institute of Technology Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] Evolution et Diversité Biologique Centre d'études spatiales de la biosphère Laboratoire en Sciences et Technologies de l'Information Géographique Peking University [Beijing] Lawrence Berkeley National Laboratory [Berkeley] Southwest University [Chongqing] Interactions Sol Plante Atmosphère Peking University [Beijing] Tianjin University of Science and Technology Zhengzhou University Peking University [Beijing] Chinese Academy of Sciences [Beijing] Chinese Academy of Sciences [Beijing] Peking University [Beijing] Peking University [Beijing] Peking University [Beijing] University of New South Wales [Sydney] Peking University [Beijing]
• Publié dans Earth System Science Data le 23/10/2020

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Résumé : Satellite radar backscatter contains unique information on land surface moisture, vegetation features, and surface roughness and has thus been used in a range of Earth science disciplines. However, there is no single global radar data set that has a relatively long wavelength and a decades-long time span. We here provide the first long-term (since 1992), high-resolution ( similar to 8 :9 km instead of the commonly used similar to 25 km resolution) monthly satellite radar backscatter data set over global land areas, called the long-term, high-resolution scatterometer (LHScat) data set, by fusing signals from the European Remote Sensing satellite (ERS; 1992-2001; C-band; 5.3 GHz), Quick Scatterometer (QSCAT, 1999-2009; Ku-band; 13.4 GHz), and the Advanced SCATterometer (ASCAT; since 2007; C-band; 5.255 GHz). The 6-year data gap between C-band ERS and ASCAT was filled by modelling a substitute C-band signal during 1999-2009 from Ku-band QSCAT signals and climatic information. To this end, we first rescaled the signals from different sensors, pixel by pixel. We then corrected the monthly signal differences between the C-band and the scaled Ku-band signals by modelling the signal differences from climatic variables (i.e. monthly precipitation, skin temperature, and snow depth) using decision tree regression.The quality of the merged radar signal was assessed by computing the Pearson r, root mean square error (RMSE), and relative RMSE (rRMSE) between the C-band and the corrected Ku-band signals in the overlapping years (1999-2001 and 2007-2009). We obtained high Pearson r values and low RMSE values at both the regional ( r >= 0 :92, RMSE <= 0.11 dB, and rRMSE <= 0.38) and pixel levels (median r across pixels >= 0.64, median RMSE <= 0.34 dB, and median rRMSE <= 0.88), suggesting high accuracy for the data-merging procedure. The merged radar signals were then validated against the European Space Agency (ESA) ERS-2 data, which provide observations for a subset of global pixels until 2011, even after the failure of on-board gyroscopes in 2001. We found highly concordant monthly dynamics between the merged radar signals and the ESA ERS-2 signals, with regional Pearson r values ranging from 0.79 to 0.98. These results showed that our merged radar data have a consistent C-band signal dynamic.The LHScat data set (https://doi.org/10.6084/m9.figshare.20407857; Tao et al., 2023) is expected to advance our understanding of the long-term changes in, e.g., global vegetation and soil moisture with a high spatial resolution. The data set will be updated on a regular basis to include the latest images acquired by ASCAT and to include even higher spatial and temporal resolutions.

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Fichiers liés : 2023-Tao.pdf

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• Type de publi. : Article dans une revue
• Date de publi. : 07/04/2023
• Auteurs : Nicolas MassartChristophe CamusNicolas NesselerPierre FillâtreErwan FlécherAlexandre MansourJean-Philippe VerhoyeLucie Le FèvreCharles-Edouard Luyt
• Organismes : Centre hospitalier de Saint-Brieuc [Hôpital Yves Le Foll] Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou] Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou] Nutrition, Métabolismes et Cancer Centre d'Investigation Clinique [Rennes] Centre hospitalier de Saint-Brieuc [Hôpital Yves Le Foll] Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou] Laboratoire Traitement du Signal et de l'Image Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou] Nutrition, Métabolismes et Cancer Centre Hospitalier Universitaire de Rennes [CHU Rennes] = Rennes University Hospital [Pontchaillou] Laboratoire Traitement du Signal et de l'Image Institut de cardiologie [CHU Pitié-Salpêtrière] Unité de Recherche sur les Maladies Cardiovasculaires, du Métabolisme et de la Nutrition = Research Unit on Cardiovascular and Metabolic Diseases
• Publié dans Annals of Intensive Care le 23/10/2020

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Résumé : BackgroundAcute distress respiratory syndrome (ARDS) patients with veno-venous extra corporeal membrane oxygenation (ECMO) support are particularly exposed to ECMO-associated infection (ECMO-AI). Unfortunately, data regarding AI prophylaxis in this setting are lacking. Selective decontamination regimens decrease AI incidence, including ventilator-associated pneumonia (VAP) and bloodstream infection (BSI) in critically ill patients. We hypothesized that a multiple-site decontamination (MSD) regimen is associated with a reduction in the incidence of AI among VV-ECMO patients.MethodsWe conducted a retrospective observational study in three French ECMO referral centers from January 2010 to December 2021. All adult patients (> 18 years old) who received VV-ECMO support for ARDS were eligible. In addition to standard care (SC), 2 ICUs used MSD, which consists of the administration of topical antibiotics four times daily in the oropharynx and the gastric tube, once daily chlorhexidine body-wash and a 5-day nasal mupirocin course. AIs were compared between the 2 ICUs using MSD (MSD group) and the last ICU using SC.ResultsThey were 241 patients available for the study. Sixty-nine were admitted in an ICU that applied MSD while the 172 others received standard care and constituted the SC group.There were 19 ECMO-AIs (12 VAP, 7 BSI) in the MSD group (1162 ECMO-days) compared to 143 AIs (104 VAP, 39 BSI) in the SC group (2376 ECMO-days), (p < 0.05 for all infection site). In a Poisson regression model, MSD was independently associated with a lower incidence of ECMO-AI (IRR = 0.42, 95% CI [0.23-0.60] p < 0.001). There were 30 multidrug resistant microorganisms (MDRO) acquisition in the SC group as compared with two in the MSD group (IRR = 0.13, 95% CI [0.03-0.56] p = 0.001). Mortality in ICU was similar in both groups (43% in the SC group vs 45% in the MSD group p = 0.90). Results were similar after propensity-score matching.ConclusionIn this cohort of patients from different hospitals, MSD appeared to be safe in ECMO patients and may be associated with improved outcomes including lower ECMO-AI and MDRO acquisition incidences. Since residual confounders may persist, these promising results deserve confirmation by randomized controlled trials.

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Fichiers liés : s13613-023-01120-1

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• Type de publi. : Article dans une revue
• Date de publi. : 06/04/2023
• Auteurs : Rodrigue GarciaPeder Emil WarmingKumar NarayananPascal DefayeLaurence Guedon-MoreauHugues BlangyOlivier PiotChristophe LeclercqEloi MarijonLaurence Guedon MoreauMohanad MahfoudPhilippe RitterJean Marc DupuisArab YaliouaAntoine DompnierMarc GoralskiSaïda CheggourChristophe LeclercqJérôme BouetClémentine AndréFabrice ExtramianaFlorent BriandAnne RollinGilles LandePhilippe ChevalierJean Luc PasquiéNicolas LelloucheBruno DegandYves CottinFrançois JourdaJacques MansouratiAngeline MartinAntoine da CostaOlivier BillonIsabelle CheradameJean-Sylvain HermidaJulien BayardRomain EschalierBenoit Guy MoyatVladimir ManentiHervé GorkaNicolas CombesAntoine MilhemOlivier PiotYves GuyomarRenaud FouchéElisabeth Somody LitouxAnne QuentinJean Baptiste BerneauThierry TibiAurélien MirallesFiorella SalernoPeggy JaconLaurentin NituDamien BrunetHugues BaderArnaud SavourePascal SagnolFrédéric SebagSebastien BufflerJoël FedidaJulien PineauGuillaume de GeeterAdlane ZemmouraAhmed SalhiEric VerbruggeSophie PynnJean Pierre GueffetWalid AmaraAurélien SeemannPierre WinumNicolas JohnsonClaire VanessonAlexis MechulanVincent HugonXavier MarchandJean-Claude DeharoSylvain ReuterRaphael SandrasDamien LegalloiOlivier GarrierGaël JauvertJérémy DescouxHugues BlangyAlain LebonPierre SultanFranck SibellasSamer MousiGabriel LaurentMaxime PonsHalim MarzakJérôme ClercHassan BarakeAurélie GuiotVincent AlgalarrondoLaurent PaludDenis RaguinFrédéric TreguerPierre Le FrancIsabelle LecardonnelFrederic FossatiGhassan MoubarakOmar Bilel MokraniPascal Chavernac
• Organismes : Physiologie & médecine expérimentale du Cœur et des Muscles [U 1046] Centre Hospitalier Régional Universitaire [Montpellier]
• Publié dans EP-Europace le 30/10/2020

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Résumé : Abstract Aims While elevated resting heart rate measured at a single point of time has been associated with cardiovascular outcomes, utility of continuous monitoring of nocturnal heart rate (NHR) has never been evaluated. We hypothesized that dynamic NHR changes may predict, at short term, impending cardiovascular events in patients equipped with a wearable cardioverter-defibrillator (WCD). Methods and results The WEARIT-France prospective cohort study enrolled heart failure patients with WCD between 2014 and 2018. Night-time was defined as midnight to 7 a.m. NHR initial trajectories were classified into four categories based on mean NHR in the first week (High/Low) and NHR evolution over the second week (Up/Down) of WCD use. The primary endpoint was a composite of cardiovascular death and heart failure hospitalization. A total of 1013 [61 (interquartile range, IQR 53–68) years, 16% women, left ventricular ejection fraction 26% (IQR 22–30)] were included. During a median WCD wear duration of 68 (IQR 44–90) days, 58 patients (6%) experienced 69 events. After considering potential confounders, High-Up NHR trajectory was significantly associated with the primary endpoint compared to Low-Down [adjusted hazard ratio (HR) 6.08, 95% confidence interval (CI) 2.56–14.45, P < 0.001]. Additionally, a rise of >5 bpm in weekly average NHR from the preceding week was associated with 2.5 higher composite event risk (HR 2.51, 95% CI 1.22–5.18, P = 0.012) as well as total mortality (HR 11.21, 95% CI 3.55–35.37, P < 0.001) and cardiovascular hospitalization (HR 2.70, 95% CI 1.51–4.82, P < 0.001). Conclusion Dynamic monitoring of NHR may allow timely identification of impending cardiovascular events, with the potential for ‘pre-emptive’ action. Registration number Clinical Trials.gov Identifier: NCT03319160

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Fichiers liés : 2023 Garcia et al., Dynamic.pdf

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• Type de publi. : Communication dans un congrès
• Date de publi. : 06/04/2023
• Auteurs : Michaël LarefLaure LarefOlivier AïmDavid ForestDidier BigoOlivier TesquetJérôme Lasserre CapdevilleRoxana FamilyPierre-Alain ClémentPauline Le Monnier De GouvilleMyriam QuéménerCatherine Giraud-BonnetEmilie CaronCamille AlloingDelphine Pollet-PanoussisMarc ReesYann BrunaPhilippe SanegonBernard BossuFranck LudwiczakNadia BeddiarAndré FerragneGuillaume BrieAnaïs TschanzOlivier RazacIoannis PanoussisFranck RenucciPatrick PerrotSéverine ArsèneCaroline LequesneJean-Gabriel GanasciaJean-Pierre MarguénaudMustapha MekkiFlorent CastagninoPhilippe ColletMehdi KébirTony FerriLaure LarefMichaël LarefOlivier AïmDavid ForestDidier BigoOlivier TesquetJérôme Lasserre CapdevilleRoxana FamilyPierre-Alain ClémentPauline Le Monnier De GouvilleMyriam QuéménerCatherine Giraud-BonnetEmilie CaronCamille AlloingDelphine Pollet-PanoussisMarc ReesPhilippe SanegonBernard BossuFranck LudwiczakNadia BeddiarAndré FerragneGuillaume BrieAnaïs TschanzOlivier RazacIoannis PanoussisFranck RenucciPatrick PerrotSéverine ArsèneCaroline Lequesne RothJean-Pierre MarguénaudMustapha MekkiFlorent CastagninoPhilippe ColletMehdi KébirTony Ferri
• Organismes : Centre de recherche sur les relations entre les risques et le droit Centre de recherche sur les relations entre les risques et le droit Groupe de recherches interdisciplinaires sur les processus d’information et de communication Paris-Saclay Food and Bioproduct Engineering Centre de recherches internationales (Sciences Po, CNRS) Université de Cergy Pontoise Laboratoire d'Etudes Juridiques Et Politique Centre de recherche de l'École des officiers de la gendarmerie nationale Lille Neurosciences & Cognition - U 1172 Institut d'Administration des Entreprises (IAE) - Poitiers Centre de recherche en gestion [EA 1722] Centre de recherche sur les relations entre les risques et le droit Passages Université de Pau et des Pays de l'Adour Université de Lille Laboratoire d'Etudes et de Recherches en Droit social Centre d'Etudes et de Recherches Administratives, Politiques et Sociales - UMR 8026 Centre de recherche sur les relations entre les risques et le droit Université Grenoble Alpes - UFR Arts & Sciences Humaines Laboratoire Information, Milieux, Médias, Médiations - EA 3820 Institut de recherche criminelle de la Gendarmerie nationale Centre de recherches internationales (Sciences Po, CNRS) Agents Cognitifs et Apprentissage Symbolique Automatique Université de Limoges Institut de Droit Européen des Droits de l'Homme - EA 3976

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Résumé : Ce colloque organisé dans le cadre d’un projet de recherche INES par le C3RD en partenariat avec le Centre Interdisciplinaire de Recherche Appliquée au champ Pénitentiaire (Ecole Nationale d’Administration Pénitentiaire) et les éditions Dalloz (Actualité Juridique pénale et la revue de droit de la propriété intellectuelle et du numérique) et avec le soutien de la Fondation de la catho et de la région Hauts-de-France rassemblera un panel pluridisciplinaire et sera l’occasion d’interroger les pratiques de surveillance tant au regard des finalités qu’elles poursuivraient, la prévention des risques, qu’au regard de ceux qu’elles révèlent. D’hier à aujourd’hui, prévenir les risques a toujours occupé les autorités publiques. Cette ambition s’est particulièrement renforcée à mesure que les hommes se regroupaient, que leurs intérêts convergeaient et qu’il fallait protéger le groupe et, in fine, les institutions en place. De la même manière, les particuliers ont depuis longtemps développé des mécanismes de surveillance pour protéger individuellement leurs intérêts, singulièrement lorsqu’il s’agit de leur propriété et, plus largement, de leurs biens. La sécurité a dès lors toujours reposé sur des dispositifs de surveillance plus ou moins aboutis et dont le déploiement a varié selon le contexte politique et sociétal. Le C3RD, a développé une thématique « sécurité ». Partant, l’objet de ces journées d’étude s’inscrit dans son ressort et permet même d’y associer les questionnements posés au sein de la thématique « risques émergents » elle aussi portée par le Laboratoire, en raison des interrogations qu’ont fait naître certains outils et certaines pratiques de surveillance, institutionnalisés ou non. Les pratiques de surveillance constituent en effet tout à la fois une technique de prévention des risques tout en en faisant naître de nouveaux, singulièrement au regard du droit au respect de la vie privée des individus, en raison, entre autres choses, du développement de l’Internet des objets, des utilisations envisagées de l’IA ou encore de l’impact de la surveillance numérique via, plus généralement, le recours aux nouvelles technologies de l’information et de la communication. Il s’agit donc d’aborder les pratiques de surveillance tant au regard des f inalités qu’elles poursuivraient, la prévention des risques, qu’au regard de ceux qu’elles révèlent. Ces journées d’étude visent, de manière générale, à se questionner sur les pratiques de surveillance – qu’elles soient mises en œuvre par des particuliers ou par des institutions -, les finalités poursuivies et les moyens et outils mobilisés à cette fin et leur incidence sur le respect des Droits et libertés fondamentaux, la société civile nourrissant de ses contradictions – exigence de sécurité/préservation du droit au respect de la vie privée – cette ambivalence. Ces réflexions sont aujourd’hui partagées par beaucoup, d’autant plus à l’heure où les technologies de l’information et de la communication et les nouvelles technologies dans leur ensemble permettent une surveillance diffuse et non moins discrète. Pour autant, certains enjeux – sanitaires, environnementaux, sécuritaires,…- ont néanmoins nécessité le renforcement des dispositifs de surveillance existants.Direction scientifiqueLaure Laref et Michaël Laref, Enseignants en droit privé et sciences criminelles à la Faculté de droit de l’Université catholique de Lille et chercheurs au sein du laboratoire C3RD.Nos partenairesLes éditions Dalloz, Revue AJ Pénal Dalloz / Revue Dalloz IP/IT L’ENAP-Ministère de la Justice, Le Centre interdisciplinaire de recherche appliquée au champ pénitentiaire La Fondation de la Catho de Lille La région Haut-de-France L’Université Catholique de Lille, La Faculté de Droit, Le C3RD

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• Type de publi. : Article dans une revue
• Date de publi. : 04/04/2023
• Auteurs : Arnan ArazaMartin HeroldSytze de BruinPhilippe CiaisDavid A GibbsNancy HarrisMaurizio SantoroWigneron J.-P.Hui YangNatalia MálagaKarimon NeshaPedro Rodriguez-VeigaOlga BrovkinaHugh C.A. BrownMilen ChanevZlatomir DimitrovLachezar FilchevJonas FridmanMariano GarcíaAlexander GikovLeen GovaerePetar DimitrovFardin MoradiAdriane Esquivel MuelbertJan NovotnýThomas a M PughMart‐jan SchelhaasLars HeinDmitry SchepaschenkoKrzysztof Stereńczak
• Organismes : Wageningen University and Research [Wageningen] Wageningen University and Research [Wageningen] Wageningen University and Research [Wageningen] Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] Interactions Sol Plante Atmosphère Wageningen University and Research [Wageningen] Wageningen University and Research [Wageningen] University of Leicester Wageningen University and Research [Wageningen]
• Publié dans International Journal of Applied Earth Observation and Geoinformation le 27/10/2020

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Résumé : consistently captured AGB losses in known deforestation hotspots. The comparisons also identified several carbon sink regions consistently detected by all maps. However, disagreement between maps is still large in key forest regions such as the Amazon basin. The overall ΔAGB map cross-correlation between maps varied in the range 0.11-0.29 (r). Reported ΔAGB magnitudes were largest in the high-resolution datasets including the CCI map differencing (stock change) and Flux model (gain-loss) methods, while they were smallest according to the coarser-resolution LVOD and JPL time series products, especially for AGB gains. Our results suggest that ΔAGB assessed from current maps can be biased and any use of the estimates should take that into account. Currently, ΔAGB reference data are sparse especially in the tropics but that deficit can be alleviated by upcoming LiDAR data networks in the context of Supersites and GEO-Trees.

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Fichiers liés : 1-s2.0-S1569843223000961-main.pdf

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• Type de publi. : Communication dans un congrès
• Date de publi. : 03/04/2023
• Auteurs : Christophe LucchesiJulien LegendreThomas ChâteletDilek CakirogluJean-Philippe PerezThierry TaliercioEric TourniéOlivier MerchiersRodolphe VaillonPierre-Olivier Chapuis
• Organismes : Centre d'Energétique et de Thermique de Lyon Centre d'Energétique et de Thermique de Lyon Centre d'Energétique et de Thermique de Lyon Composants à Nanostructure pour le moyen infrarouge Composants à Nanostructure pour le moyen infrarouge Composants à Nanostructure pour le moyen infrarouge Composants à Nanostructure pour le moyen infrarouge Centre d'Energétique et de Thermique de Lyon Institut d’Electronique et des Systèmes Micro électronique, Composants, Systèmes, Efficacité Energétique Énergie Centre d'Energétique et de Thermique de Lyon

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• Type de publi. : Article dans une revue
• Date de publi. : 03/04/2023
• Auteurs : Géraldine PetitSophie LeclercqCaroline QuoilinMarie PoncinPeter StarkelPierre MaurageBenjamin RollandLaurence DricotPhilippe de Timary
• Organismes : Department of Experimental Medical Sciences [Lund] Université Catholique de Louvain = Catholic University of Louvain Université Catholique de Louvain = Catholic University of Louvain Université Catholique de Louvain = Catholic University of Louvain Service Universitaire d’Addictologie de Lyon [CH Le Vinatier, Bron] Psychiatric Disorders, Neuroscience Research and Clinical Research Université Catholique de Louvain = Catholic University of Louvain Université Catholique de Louvain = Catholic University of Louvain
• Publié dans Neuropsychopharmacology Reports le 17/02/2025

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Résumé : Abstract Background Anxiety and depression are psychopathological states frequently co‐occurring with severe alcohol use disorder (SAUD). These symptoms generally disappear with abstinence but may persist in some patients, increasing the relapse risk. Methods The cerebral cortex thickness of 94 male patients with SAUD was correlated with symptoms of depression and anxiety, both measured at the end (2–3 weeks) of the detoxification treatment. Cortical measures were obtained using surface‐based morphometry implemented with Freesurfer. Results Depressive symptoms were associated with reduced cortical thickness in the superior temporal gyrus of the right hemisphere. Anxiety level was correlated with lower cortical thickness in the rostral middle frontal region, inferior temporal region, and supramarginal, postcentral, superior temporal, and transverse temporal regions of the left hemisphere, as well as with a large cluster in the middle temporal region of the right hemisphere. Conclusions At the end of the detoxification stage, the intensity of depressive and anxiety symptoms is inversely associated with the cortical thickness of regions involved in emotions‐related processes, and the persistence of the symptoms could be explained by these brain deficits.

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• Type de publi. : Communication dans un congrès
• Date de publi. : 03/04/2023
• Auteurs : Raphaël PederivaPhilippe ArtillanP.-B. VigneronQuyang LinJean-François Roux
• Organismes : Université Savoie Mont Blanc Institut de Microélectronique, Electromagnétisme et Photonique - Laboratoire d'Hyperfréquences et Caractérisation Université Savoie Mont Blanc Institut de Microélectronique, Electromagnétisme et Photonique - Laboratoire d'Hyperfréquences et Caractérisation Université Savoie Mont Blanc Institut de Microélectronique, Electromagnétisme et Photonique - Laboratoire d'Hyperfréquences et Caractérisation Université Savoie Mont Blanc Institut de Microélectronique, Electromagnétisme et Photonique - Laboratoire d'Hyperfréquences et Caractérisation Université Savoie Mont Blanc Institut de Microélectronique, Electromagnétisme et Photonique - Laboratoire d'Hyperfréquences et Caractérisation

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Résumé : Cette étude présente le développement d'un procédé de caractérisation térahertz de matériaux en couche mince. Une méthode temporelle basée sur la transmission d'impulsions électriques picosecondes à travers le matériau à caractériser est proposée pour déterminer la permittivité diélectrique des films jusqu'à des fréquences de 400 GHz.

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