88 research outputs found

    Peyroules, Ă©glise Saint-Pons

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    L’ ancienne Ă©glise Saint-Pons est situĂ©e Ă  1 200 m d’altitude, au-dessus du village actuel, aux limites sud-est du dĂ©partement. Le positionnement de l’édifice, isolĂ© sur un piton rocheux du versant sud de la montagne du Teillon, est Ă  mettre en relation avec la proximitĂ© du bourg castral de Ville, situĂ© sur un second mamelon rocheux lui faisant face Ă  quelques centaines de mĂštres au sud. L’ Ă©glise paroissiale ducastrum de Peirolis n’apparaĂźt pas dans les textes avant le XIIIe s., bien que la mention plus ancienne de l’occupation du site remonte Ă  1045, date Ă  laquelle il est fait donation Ă  Saint-Victor de Marseille d’une manse in Peirolas. L’ abandon de l’église est consĂ©cutif au transfertde la paroisse vers le hameau de la RiviĂšre, actuel chef-lieu du village, en 1830 et Ă  la construction dans la vallĂ©e d’une nouvelle Ă©glise dĂ©diĂ©e Ă  sainte Anne. L’ Ă©difice, partiellement ruinĂ©, est inscrit Ă  l’Inventaire supplĂ©mentaire des Monuments historiques depuis 2006et plusieurs travaux d’entretien ont Ă©tĂ© rĂ©alisĂ©s depuis cette date. L’ objectif de cette Ă©tude du bĂąti Ă©tait de mieux caractĂ©riser les diffĂ©rentes phases de construction afin d’orienter les travaux d’entretien de l’édifice engagĂ©s par la commune et placĂ©s sous la maĂźtrise d’oeuvre du STAP des Alpes-de-Haute-Provence

    Saint-Michel l'Observatoire, Ă©glise Saint-Pierre

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    Ce diagnostic a Ă©tĂ© prescrit prĂ©alablement Ă  des travauxde restauration de l’église Saint-Pierre envisagĂ©s par laCommunautĂ© de communes de Haute-Provence. Lesobservationssur le bĂąti, accompagnĂ©es par la rĂ©alisationde deux sondages au sol dans la nef de l’église, Ă©taientdestinĂ©es Ă  prĂ©ciser la chronologie de la construction etĂ  renseigner le potentiel stratigraphique du sous-sol del’édifice. SituĂ© Ă  la pĂ©riphĂ©rie du village mĂ©diĂ©val, il n’avaitjamais fait l’objet d’une Ă©tude archĂ©ologique ou historique

    Senez, Place de l'Ă©glise

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    Le village de Senez (179 hab. en 2009) – situĂ© dansla haute-vallĂ©e de l'Asse, en bordure de la route reliantDigne Ă  Grasse – est connu pour avoir Ă©tĂ© le chef-lieu dela citĂ© antique des Sentii puis pour avoir abritĂ©, jusqu’àla RĂ©volution française, le siĂšge d’un Ă©vĂȘchĂ© attestĂ© dĂšs506, date Ă  laquelle l’évĂȘque Marcellus est mentionnĂ©au concile d’Agde. Le territoire du diocĂšse, qui absorbeĂ  partir du VIe s. les Ă©vĂȘchĂ©s Ă©phĂ©mĂšres d’Enturamina(Thorame) et de Salinae (Castellane), s’étend alors surune large partie des hautes vallĂ©es de l’Asse et du Verdon.La cathĂ©drale actuelle, de style roman, a Ă©tĂ© entiĂšrementreconstruite au cours des XIIe-XIIIe s. Le villagen’avait jamais fait l’objet d’une investigation archĂ©ologiqueet la localisation de la citĂ© antique, comme celledu groupe Ă©piscopal palĂ©ochrĂ©tien, demeure inconnueĂ  ce jour

    The First Genomic and Proteomic Characterization of a Deep-Sea Sulfate Reducer: Insights into the Piezophilic Lifestyle of Desulfovibrio piezophilus

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    Desulfovibrio piezophilus strain C1TLV30T is a piezophilic anaerobe that was isolated from wood falls in the Mediterranean deep-sea. D. piezophilus represents a unique model for studying the adaptation of sulfate-reducing bacteria to hydrostatic pressure. Here, we report the 3.6 Mbp genome sequence of this piezophilic bacterium. An analysis of the genome revealed the presence of seven genomic islands as well as gene clusters that are most likely linked to life at a high hydrostatic pressure. Comparative genomics and differential proteomics identified the transport of solutes and amino acids as well as amino acid metabolism as major cellular processes for the adaptation of this bacterium to hydrostatic pressure. In addition, the proteome profiles showed that the abundance of key enzymes that are involved in sulfate reduction was dependent on hydrostatic pressure. A comparative analysis of orthologs from the non-piezophilic marine bacterium D. salexigens and D. piezophilus identified aspartic acid, glutamic acid, lysine, asparagine, serine and tyrosine as the amino acids preferentially replaced by arginine, histidine, alanine and threonine in the piezophilic strain. This work reveals the adaptation strategies developed by a sulfate reducer to a deep-sea lifestyle

    Molecular biomarkers in the context of focal therapy for prostate cancer: Recommendations of a delphi consensus from the focal therapy society

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    BACKGROUND: Focal therapy (FT) for prostate cancer (PCa) is promising. However, long-term oncological results are awaited and there is no consensus on follow-up strategies. Molecular biomarkers (MB) may be useful in selecting, treating and following up men undergoing FT, though there is limited evidence in this field to guide practice. We aimed to conduct a consensus meeting, endorsed by the Focal Therapy Society, amongst a large group of experts, to understand the potential utility of MB in FT for localized PCa. METHODS: A 38-item questionnaire was built following a literature search. The authors then performed three rounds of a Delphi Consensus using DelphiManager, using the GRADE grid scoring system, followed by a face-to-face expert meeting. Three areas of interest were identified and covered concerning MB for FT, 1) the current/present role; 2) the potential/future role; 3) the recommended features for future studies. Consensus was defined using a 70% agreement threshold. RESULTS: Of 95 invited experts, 42 (44.2%) completed the three Delphi rounds. Twenty-four items reached a consensus and they were then approved at the meeting involving (N.=15) experts. Fourteen items reached a consensus on uncertainty, or they did not reach a consensus. They were re-discussed, resulting in a consensus (N.=3), a consensus on a partial agreement (N.=1), and a consensus on uncertainty (N.=10). A final list of statements were derived from the approved and discussed items, with the addition of three generated statements, to provide guidance regarding MB in the context of FT for localized PCa. Research efforts in this field should be considered a priority. CONCLUSIONS: The present study detailed an initial consensus on the use of MB in FT for PCa. This is until evidence becomes available on the subject

    Peri-operative red blood cell transfusion in neonates and infants: NEonate and Children audiT of Anaesthesia pRactice IN Europe: A prospective European multicentre observational study

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    BACKGROUND: Little is known about current clinical practice concerning peri-operative red blood cell transfusion in neonates and small infants. Guidelines suggest transfusions based on haemoglobin thresholds ranging from 8.5 to 12 g dl-1, distinguishing between children from birth to day 7 (week 1), from day 8 to day 14 (week 2) or from day 15 (≄week 3) onwards. OBJECTIVE: To observe peri-operative red blood cell transfusion practice according to guidelines in relation to patient outcome. DESIGN: A multicentre observational study. SETTING: The NEonate-Children sTudy of Anaesthesia pRactice IN Europe (NECTARINE) trial recruited patients up to 60 weeks' postmenstrual age undergoing anaesthesia for surgical or diagnostic procedures from 165 centres in 31 European countries between March 2016 and January 2017. PATIENTS: The data included 5609 patients undergoing 6542 procedures. Inclusion criteria was a peri-operative red blood cell transfusion. MAIN OUTCOME MEASURES: The primary endpoint was the haemoglobin level triggering a transfusion for neonates in week 1, week 2 and week 3. Secondary endpoints were transfusion volumes, 'delta haemoglobin' (preprocedure - transfusion-triggering) and 30-day and 90-day morbidity and mortality. RESULTS: Peri-operative red blood cell transfusions were recorded during 447 procedures (6.9%). The median haemoglobin levels triggering a transfusion were 9.6 [IQR 8.7 to 10.9] g dl-1 for neonates in week 1, 9.6 [7.7 to 10.4] g dl-1 in week 2 and 8.0 [7.3 to 9.0] g dl-1 in week 3. The median transfusion volume was 17.1 [11.1 to 26.4] ml kg-1 with a median delta haemoglobin of 1.8 [0.0 to 3.6] g dl-1. Thirty-day morbidity was 47.8% with an overall mortality of 11.3%. CONCLUSIONS: Results indicate lower transfusion-triggering haemoglobin thresholds in clinical practice than suggested by current guidelines. The high morbidity and mortality of this NECTARINE sub-cohort calls for investigative action and evidence-based guidelines addressing peri-operative red blood cell transfusions strategies. TRIAL REGISTRATION: ClinicalTrials.gov, identifier: NCT02350348

    Volx (Alpes-de-Haute-Provence). 9, rue du Chùteau

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    Le chĂąteau de Volx se situe sur un promontoire rocheux qui domine le village et la vallĂ©e de la Durance. Le site castral, attestĂ© depuis le xiie s., est aujourd’hui trĂšs arasĂ© et largement occupĂ© par des maisons individuelles. Le parcellaire a toutefois conservĂ© les traces des remparts, et des Ă©lĂ©vations anciennes apparaissent encore de maniĂšre disparate dans les parties hautes du village. Le diagnostic a portĂ© sur une parcelle situĂ©e sur le flanc oriental de l’enceinte. L’opĂ©ration a consist..

    Volx, 9 rue du ChĂąteau

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    Le chĂąteau de Volx se situe sur le promontoire rocheuxqui domine le village et la vallĂ©e de la Durance. Le sitecastral, attestĂ© depuis le XIIe s., est aujourd’hui trĂšs arasĂ©et largement occupĂ© par des maisons individuelles. Leparcellaire a toutefois conservĂ© les traces des remparts,et des Ă©lĂ©vations anciennes apparaissent encore demaniĂšre disparate dans les parties hautes du village.Le diagnostic portait sur une parcelle situĂ©e sur le flancoriental de l’enceinte. L’ opĂ©ration a concernĂ© une analysesommaire des Ă©lĂ©vations du bĂątiment qui occupe la partiesud-est de la parcelle, complĂ©tĂ©e par la rĂ©alisation detrois sondages dans les jardins

    Senez (Alpes-de-Haute-Provence). Place de l’Église

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    Le village de Senez – situĂ© dans la haute-vallĂ©e de l’Asse, en bordure de la route reliant Digne Ă  Grasse – est connu pour avoir Ă©tĂ© le chef-lieu de la citĂ© antique des Sentii puis pour avoir abritĂ©, jusqu’à la RĂ©volution française, le siĂšge d’un Ă©vĂȘchĂ© attestĂ© dĂšs 506. Le territoire du diocĂšse, qui absorbe Ă  partir du vie s. les Ă©vĂȘchĂ©s Ă©phĂ©mĂšres d’Enturamina (Thorame) et de Salinae (Castellane), s’étend alors sur une large partie des hautes vallĂ©es de l’Asse et du Verdon. La cathĂ©drale actu..

    Simulation numérique du comportement thermo-mécanique de composites stratifiés tissés carbone PPS sous flux radiant

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    International audienceUnder critical conditions of use in service, aeronautical structural parts made of polymer matrix composite materials may be subjected simultaneously to heat flows under mechanical load. In this context, this work aims to develop numerical tools to simulate the thermal and mechanical behaviours of laminates consisting of a polyphenylene sulfide thermoplastic matrix reinforced by carbon wovenfibers subjected to a thermal flow or a combined loading (Thermal flux + mechanical loading). Such modelling requires the consideration of a wide range of phenomena (modification of physical and mechanical properties, thermal decomposition, damage, etc.) and complex boundary conditions (heterogeneous distribution of heat flux density on the sample surface, convection, radiation). The proposed model makes it possible to predict the evolution of the macroscopic stiffness of the laminate over a temperature range up to the melting of the material (about 320°C)Dans des conditions critiques d’utilisation en service, des piĂšces de structures aĂ©ronautiques en matĂ©riaux composites Ă  matrice polymĂšre peuvent ĂȘtre soumises simultanĂ©ment Ă  des flux de chaleur sous charge mĂ©canique. Dans ce contexte, ce travail vise ainsi Ă  dĂ©velopper des outils numĂ©riques permettant de simuler les comportements thermique et mĂ©canique de stratifiĂ©s Ă  matrice thermoplastique polysulfure de phĂ©nylĂšne renforcĂ©e par un tissu de fibres de carbone soumis Ă  un flux thermique ou un chargement combinĂ© (flux et chargement mĂ©canique). Une telle modĂ©lisation nĂ©cessite la prise en compte de trĂšs nombreux phĂ©nomĂšnes (modification des propriĂ©tĂ©s physiques et mĂ©caniques, dĂ©composition thermique, endommagement, etc.) et de conditions aux limites complexes (distribution hĂ©tĂ©rogĂšne de la densitĂ© de flux thermique Ă  la surface de l’échantillon, convection, rayonnement). Le modĂšle de comportement dĂ©veloppĂ© permet de prĂ©dire l’évolution de la rigiditĂ© macroscopique du stratifiĂ© sur une gamme de tempĂ©rature allant jusqu’à la fusion du matĂ©riau (environ 320°C
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