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Analysis of the Relationship between Oral Diseases and Glycemic Control of Diabetes in the West African Context: Survey at the Centre Anti-Diabetique d’Abidjan (CADA),cote d’Ivoire

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Open Journal of Epidemiology 2018年第4期8卷 213-225页

作者： jean-claude guinan Guanga David Meless Abou Dramane Sangaré Datté Atta Sébastien Mamadou Samba Viviane Da-Danho Ramata Bakayoko-Ly Département de Santé Publique UFROS UFHB Abidjan cote d’Ivoire Laboratoire de Santé Publique Cariologie et Plantes Médicinales Abidjancote d’Ivoire

The relationship between diabetes and periodontitis is established and described as a bidirectional influence, whereas that with dental caries is still controversial. The objective of this study was to analyze the relationship between blood glucose control and oral diseases in a population of diabetics followed at the “Centre Anti Diabétique d’Abidjan” (CADA). The dental condition of the diabetics included in this cross-sectional study was assessed by the DMF index, periodontal condition by the CPITN and oral hygiene by the OHIS index. Diabetes data were extracted from CADA patient medical records. Blood glucose control has been defined by an average of the blood glucose values of the last 3 months less than or equal to 1.26 g/l. Regression models were constructed to estimate the risk of diabetes imbalance adjusted for all characteristics collected. The sample of 356 diabetics consisted of 53.7% women with an average age of 55.6 years (range: 12 - 85 years). The average DMF index was 7.9 (Std: 6.6) with an estimated prevalence of caries of 77.0%, that of periodontitis of 53.1%. The proportion of subjects with good glycemic control was estimated at 41.3%. The characteristics associated with glycemic control were: dry mouth (p = 0.005), type of diabetes treatment (p < 0.00014) and duration of diabetes (p = 0.039) and periodontal status assessed with the CPITN (p = 0.014). The results of this study confirmed the link between periodontitis and glycemic control of diabetes described in the literature but didn’t find significant association between dental caries and diabetes.

关键词： Diabetes Glycemic Control Oral Health Periodontitis Dental Caries West Africa cote d’Ivoire

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Attitudes and Practices of Senegalese Dentists towards Hepatitis B

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Open Journal of Epidemiology 2017年第4期7卷 317-325页

作者： Massamba Diouf jean-claude guinan Amadou Dieng Mbatio Diop Aida Kanouté Abou Dramane Sanghare Ndeye Amina Diop Daouda Cisse Cheikh Mamadou Mbacke Lo Daouda Faye Public Health Service Department of Dentistry Cheikh Anta Diop University Dakar Senegal Public Health Service Faculty of Dentistry Felix H Boigny University Abidjan C&ocirc te d’Ivoire Service of Dentistry Health Office Dakar Senegal

Introduction: Hepatitis B is an infectious viral disease that causes inflammation of the liver. It is transmitted through body secretions and fluids, including genital secretions, saliva and blood. The objective of this study was to assess the attitudes and practices of dental surgeons in the face infection of Hepatitis B. Methods: This was a descriptive, cross-sectional a sample of 171 dental surgeons. Probabilistic multi-stage, stratified, and systematic sampling was used. Using a questionnaire, we gathered variables related to the attitudes and practices of dentists with respect to Hep B. Results: Nearly 22% of dentists were not vaccinated against hepatitis B virus;Compliance with the use of gloves, glasses, professional clothing, and hygiene in dental offices was not systematic. Blood exposure accidents (BEA) were common, with nearly 13% suffering from needle stick injuries, 10% from eye splashes and about 6% from sharp instruments. The majority of the actions to be taken in the event of (BEA) were disinfection in the event of sticks or injuries (52.1%) and rinsing in the event of eye splashes (66.7%). Conclusion: Dentists should be educated and informed about the need for vaccination and hygiene, sterilization, and good behaviour in case of exposure to blood.

关键词： Attitudes Practices Hepatitis B Dentist Senegal

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Dental Caries and Associated Determinants among Students of the Military School of Saint Louis (Senegal)

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Open Journal of Epidemiology 2017年第4期7卷 299-306页

作者： Massamba Diouf Mababou Kebe Mamadou Lamine Guirassy Mbathio Diop Abdoulaye Diouf Aida Kanoute jean-claude guinan Amadou Dieng Abou Dramane Sanghare Daouda Cisse Daouda Faye Cheikh Mbacké Lo Public Health Service Department of Dentistry Cheikh Anta Diop University Dakar Senegal Dental Office Military Hospital Dakar Senegal Service of Periodontology Department of Dentistry Cheikh Anta Diop University Dakar Senegal Service of Pediatric Dentistry Department of Dentistry Cheikh Anta Diop University Dakar Senegal Public Health Service Faculty of Dentistry Felix H Boigny University Abidjan C&ocirc te d’Ivoire

Introduction: Due to its health, social and economic morbidity, dental caries leads to absenteeism and a drop in school performance among schoolchildren. The objective of this work is to study dental caries and its determinants in pupils known as Children of Troop (CT) of the “Military School of Saint Louis” (MSS). Method: This was a descriptive and cross-sectional study. Recruitment was exhaustive. The collection was made at the school and has covered the period of March 10 throughout June 13, 2014 in an individual interview, based upon a deliberate consent, using a questionnaire drawn up on the basis of the variables studied. The bivariate analysis was done with the Epi Info software version 3.5.3. Results: The mean age of CT was 14.9. The prevalence of caries was 61.2%. Determinants related to caries were: sugar intake between meals (OR = 6.44 [3.4 - 11.9]);insufficient tooth brushing (OR = 14.3 [8.8 - 23.29]);(OR = 3.84 [2.38 - 7.14]) and for regular dental visits (OR = 5.26 [3.44 - 8.33]), with the last dental visit dating back more than one year. Conclusion: In the face of challenges of school performance of CT, it is necessary to set up a control plan focusing mainly on the factors identified and associated with dental caries in military school.

关键词： Military School Child of Troop Dental Caries Determinants

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The synergy between the payloads on the ASO-S mission

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Research in Astronomy and Astrophysics 2019年第11期19卷 115-126页

作者： jean-claude Vial Institut d’Astrophysique Spatiale University Paris-Sud

This paper addresses the improved science resulting from joint observations performed by the different instruments onboard the Advanced Space-based Solar Observatory(ASO-S)mission along with ancillary instruments on missions flying at the same *** first describes the three major instruments along with their stated *** it presents some basic science issues concerning jointly observed flares,coronal mass ejections(CMEs)and eruptive prominences(EPs).Each physical candidate(magnetic reconnection,instability,hard X-ray emission and magnetic coronal field topology)is discussed in terms of its signature and identification with ASO-S *** importance of Lyαdetection and non-LTE modeling is *** instrumental and science challenges are briefly discussed.

关键词： techniques imagery,polarimetry-Sun eruptions,flares,coronal mass ejections

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Lanthanide-doped nanoscintillators

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Light(Science & Applications) 2022年第10期11卷 2264-2266页

作者： jean-claude Georges Bünzli institute of Chemical Sciences and Engineering Swiss Federal Institute of TechnologyLausanne(EPFL)LausanneSwitzerland Department of Biomedical Engineering Southern University of Science and Technology(SUSTech)ShenzhenChina

Lanthanide-doped nanoscintillators are taking the lead in several important fields including radiation detection,biomedicine,both at the level of diagnosis and therapy,and information encoding.

关键词： diagnosis Lanthanide ill

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G~n filling orbicular N-sided holes using periodic B-spline surfaces

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Science China(Information Sciences) 2011年第7期54卷 1383-1394页

作者： PAUL jean-claude School of Software Tsinghua University Key Laboratory for Information System Security Ministry of Education of China Tsinghua National Laboratory for Information Science and Technology Institute National de Recherche en Informatique et en Automatique

The orbicular N -sided hole filling problem is usually introduced by filleting an end-point of a part with large *** existing methods based on quadrilateral partition or constrained-optimization can rarely generate high-order continuous blending surfaces under these *** paper first reparameterizes the boundary of the specified orbicular N -sided hole to ensure the compatibility of neighboring cross-boundary derivatives on the connecting points,preserving their G n *** we compute the control points of the periodic B-spline surface using the sufficient G n continuity condition on the pole and the algorithm of extending parametric *** method generates single blending surface,which can be converted into standard Bspline surface by adding knots without introducing *** only elevates the degree of the boundary by *** construction method is simple and efficient,without iteration nor large-scale matrix *** achieves G n continuity under compatible *** blending examples underline its feasibility and practicability.

关键词： CAD periodic B-spline surface polar coordinates N -sided hole filling G n continuity

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Regulation of Sulfate Uptake and Assimilation——the Same or Not the Same？

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Molecular Plant 2010年第2期3卷 314-325页

作者： jean-claude Davidian Stanislav Kopriva Unite mixte de recherche Biochimie et Physiologie Molculaire des Plantes Montpellier SupAgro/CNRS/INRA/UM2 2 place Pierre Viala 34060 MontpellierCedex 2 France Department of Metabolic Biology John Innes Centre Norwich NR4 7UH UK

Plant take up the essential nutrient sulfur as sulfate from the soil, reduce it, and assimilate into bioorganic compounds, with cysteine being the first product. Both sulfate uptake and assimilation are highly regulated by the demand for the reduced sulfur, by availability of nutrients, and by environmental conditions. In the last decade, great prog- ress has been achieved in dissecting the regulation of sulfur metabolism. Sulfate uptake and reduction of activated sulfate, adenosine 5＇-phosphosulfate （APS）, to sulfite by APS reductase appear to be the key regulatory steps. Here, we review the current knowledge on regulation of these processes, with special attention given to similarities and differences.

关键词： Metabolic regulation nutrient and metal transport nutrition primary metabolism sulfate uptake sulfur metabolism.

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ON MAXWELL EQUATIONS WITH THE TRANSPARENT BOUNDARY CONDITION

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Journal of Computational Mathematics 2008年第3期26卷 284-296页

作者： Zhiming Chen jean-claude Nédélec LSEC ICMSEC Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100080 China Centre de Mathématiques Appliquées Ecole Polytechnique 91228 Palaiseau Cedex France

In this paper we show the well-posedness and stability of the Maxwell scattering problem with the transparent boundary condition. The proof depends on the well-posedness of the time-harmonic Maxwell scattering problem... 详细信息

关键词： Electromagnetic scattering Well-posedness Stability

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Ontogeny of Drosophila melanogaster female sex-appeal and cuticular hydrocarbons

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Integrative Zoology 2010年第3期5卷 272-282页

作者： Marisa ARIENTI claude ANTONY claude WICKER-THOMAS jean-Paul DELBECQUE jean-Marc JALLON University of Paris South 11 Center of Neurosciences of Paris SouthOrsayFrance Department of Biology Autonoma Metropolitan University-XochimilcoMexico DFMexico EMBL HeidelbergGermany LEGS CNRSGif sur YvetteFrance University of Bordeaux 1 Center of Integrative and Cognitive NeurosciencesTalenceFrance

The chemical communication system in Drosophila melanogaster Meigen,1830 plays a major role in courtship and consists of the male-specific cis-Vaccenyl acetate and sex-specific contact pheromones,cuticular hydrocarbons(CHC),which build up during ontogeny(first 4 days).They replace longer CHCs,common to both sexes and present only after the imaginal eclosion.A detailed quantitative description of the evolution of cuticular unsaturated hydrocarbons with age is presented here for males and females of different *** strains,which have been bred in well controlled *** appear in both sexes at around 12 h,before female *** present paper argues that this is likely linked to the switching on of a new set of ***,which is more abundant in females than in males during this critical period,might control this *** behavioral studies show that whereas female of all ages trigger early mature male courtship steps like wing vibration,only females older than 1 day trigger late courtship steps like attempted *** supports the hypothesis that late male courtship steps might be triggered by the CHCs,which build up after this age,especially female-specific(Z,Z)-7,11-and(Z,Z)-5,9-dienes.

关键词： contact pheromones Drosophila melanogaster ecdysone control ontogeny sex differences

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Visual Simulation of Multiple Unmixable Fluids

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Journal of Computer Science & Technology 2007年第1期22卷 156-160页

作者：郑文雍俊海 jean-claude Paul School of Software Tsinghua University Beijing 100084 China Department of Computer Science and Technology Tsinghua University Beijing 100084 China CNRS Paris 75794 France

We present a novel grid-based method for simulating multiple unmixable fluids moving and interacting. Unlike previous methods that can only represent the interface between two fluids （usually between liquid and gas）, this method can handle an arbitrary number of fluids through multiple independent level sets coupled with a constrain condition. To capture the fluid surface more accurately, we extend the particle level set method to a multi-fluid version. It shares the advantages of the particle level set method, and has the ability to track the interfaces of multiple fluids. To handle the dynamic behavior of different fluids existing together, we use a multiphase fluid formulation based on a smooth weight function.

关键词： computational fluid dynamics natural phenomena physically based animation

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