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Epidemiological and Diagnostic Features of Non-Traumatic Gonalgia in Adults in Bouake (Ivory Coast): About 140 Patients

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Open Journal of Rheumatology and Autoimmune Diseases 2023年第4期13卷 78-87页

作者： Kouakou Ehaulier Soh Christian Louis Sougué Charles Yao Konan Joe Clauvis Traore Aissata Koffi joseph Kan Enock Goua Jean Jacques Same Bebey Francine Goupille Phillipe Daboiko Jean Claude felix Rheumatology Department University Hospital Center Bouaké Bouaké C&#244te d’Ivoire Internal Medicine Department University Hospital Center Sour&#244 Sanou Bobo Dioulasso Burkina Faso Rheumatology Department Laquintinie Hospital Douala Cameroon Rheumatology Department University Hospital Center Tours France

Background: Non traumatic gonalgia is the second most common reason for rheumatology consultations and accounted for 15.6% of rheumatological disorders in Abidjan. Objective: The aim of this work was to study the epidemiological and diagnostic features of non-traumatic gonalgia (NTG) in a black adult population from sub-Saharan Africa. Patients and Methods: This was a five-year retrospective descriptive study (January 2014 to December 2018) of black sub-Saharan African adult patients with non traumatic gonalgia seen in the rheumatology department of the Bouake University Hospital in Côte d’Ivoire. Results: Of 2198 patients seen for rheumatological conditions, 140 had non traumatic gonalgia (6.4%). The mean age of patients was 56.13 ± 13.3 years (extremes 20 and 87 years), and the sex ratio was 0.43 (42 men and 98 women). Gonalgia without swelling was observed in 33.6% of cases. Symptoms were predominantly progressive (97.1%), chronic (82.1%) and bilateral (50%). The causes of TNM were gonarthrosis (85%), septic arthritis (7.1%), reactive arthritis (2.9%), gout (2.9%), rheumatoid arthritis (1.4%) and chondrocalcinosis (0.7%). Gonarthrosis (119/140) was bilateral in 65 patients, bi- or tri-compartmental in 83, radiographic stage (Kellgren and Lawrence) III in 80 and IV in 15. A germ was isolated in two cases of septic arthritis (methicillin-sensitive Staphylococcus aureus and Streptococcus pneumoniae). Conclusion: GNT is common in rheumatology practice in Bouake, and mainly affects women in their fifties. It is most often a chronic bilateral gonalgia, with gonarthrosis as the main etiology.

关键词： Non-Traumatic Gonalgia Gonarthrosis Bouake

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Physiological Resilience of Bambara Groundnut (Vigna subterranea L. Verdc) Genotypes to Intermittent Periods of Drought Stress at Different Growth Stages

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Agricultural Sciences 2023年第11期14卷 1573-1592页

作者： Kennedy Agyeman felix Frimpong Patricia Amankwaa-Yeboah Isaac Osei-Bonsu Stephen Yeboah Agbesi Keteku Paul Marno Mavis Brempong Brempong Eric Owusu Danquah Asamoah Emmanuel Adjei Michael Odenkey Quaye joseph Nketiah Berchie CSIR-Crops Research Institute Fumesua-Kumasi Ghana Departnent of Agricultural Science Education University of Education Winneba Ghana

Different genotypes of Bambara groundnut (Vigna subterranea L. Verdc) grow well under conducive environmental conditions, provided that adequate soil moisture is available during vegetative and reproductive phases. However, drought stress is the major limiting factor to bambara production, which accounts for up to 40% of yield losses. This situation could worsen due to drastic and rapid changes in the global climate. Landraces grown by farmers are low-yielding. Understanding the physiological response of different genotypes to drought stress is key to achieving food security through crop improvement and diversification. This study focused on variations in the response of Bambara groundnut genotypes to intermittent drought stress during the crop’s critical growth (vegetative and reproductive) stages. The experiment was undertaken at CSIR-Crops Research Institute Screen-house. The treatments were used in a factorial experiment with three replications in a randomized complete block design. The Bambara genotypes showed considerable variability in tolerance to drought stress. Drought stress during vegetative and reproductive stages significantly reduced crop growth indices, the leaf relative water content, chlorophyll content and leaf area. Drought stress during vegetative and reproductive stages had a more severe impact on the seed yield of genotype Nav Red, reducing it by 69% and 13%, respectively. Farmers should pay more attention to adopting drought-tolerant and high-yielding varieties for improved Bambara groundnut productivity and livelihoods.

关键词： Drought Stress Bambara Groundnut Genotypes Seed Yield

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基于上下文感知交互的智能家居仿真系统

基于上下文感知交互的智能家居仿真系统

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作者： AGBOR joseph 湖南师范大学

学位级别：硕士

目前,正在开发创新的信息和通信技术,以帮助改善日常生活的各个领域。在这些创新中,物联网(IOT)的发展,普适计算和无处不在计算都是值得关注的,因为它们可以无视终端用户的物理位置,为其提供控制和访问各种计算资源和信息的能力。智能... 详细信息

目前,正在开发创新的信息和通信技术,以帮助改善日常生活的各个领域。在这些创新中,物联网(IOT)的发展,普适计算和无处不在计算都是值得关注的,因为它们可以无视终端用户的物理位置,为其提供控制和访问各种计算资源和信息的能力。智能家居的概念已经存在了十年,并经历了可喜的发展。上下文感知计算的发明是可以应用于各种设置的此类开发的一个好例子。从智能家居的角度来看,上下文感知信息有助于家庭根据手头的情况进行调整。例如,上下文感知智能家居可以通过上下文感知计算自动控制室温或环境灯。上下文感知计算长期以来一直是全球研究的核心领域。虽然上下文感知计算正在不同的平台进行测试,但一个特定的领域是开发上下文感知的智能家居系统。在这个领域中应用和使用上下文感知有望为家庭服务带来有希望的创新。然而,为了使上下文感知的智能家庭系统能够商业化,还有更多的研究空间。开发智能家庭系统对研究人员和工程师来说是一个挑战,因为这些系统的实施和评估过程成本高昂,同时非常耗时。在实际构建之前测试设计的智能家居系统被认为是实现高效智能家居项目的另一个障碍。这是因为各种传感器、家用电器和设备都可用于真正的智能环境。为了解决开发动态上下文感知智能家居系统的问题,本文提出了一种基于上下文感知的智能家居仿真器,适合于智能家居的仿真方面环境。该模拟器提供了一个设计的家庭计划,虚拟传感器和不同的设备作为虚拟家庭环境的模型。还可以定义场景以测试设备状态的各种可能的组合;因此可以简单地评估不同的标准和变量,而无需在实际环境中进行实验。本文旨在设计和实现基于OSGi框架的分布式智能家居环境感知模拟器,其中虚拟传感器创建上下文信息而不是使用物理传感器。XML配置文件用于保存用于构造家庭环境、虚拟设备和服务、模拟上下文信息和测试设备之间的OSGi事件交互的信息。针对当今时代的动态需求,本文开发了一种支持无处不在的技术并具有情境感知能力智能家居系统。交互是基于通过公用OSGi框架以分布式环境的形式连接在一起的实际设备触发的。实际操作上下文与模拟上下文进行比较,并根据一组规则确定智能家居内的交互。环境和管理功能(规则、事件和操作模式)通过一组可配置的XML文件进行配置,动态图形表示描述智能家居的当前状态。本文的主要成果如下:1.本文指出了以往设计的上下文感知模拟器的常见问题和局限性,并提出了一种更具伸缩性和动态性的面向服务架构(SOA)上下文感知模拟器。2.针对智能家居系统的开发和测试,提出了一种基于OSGi的分布式智能家居环境感知模拟器,解决了智能家居设计中存在的问题。OSGi旨在为智能家居系统应用程序的开发提供一个基于模块化和动态的Java系统规范。这种智能家居模拟已被开发为分布式环境。在共享网络的不同对象之间发送和接收数据。由于可以在智能家居中添加和删除设备,因此OSGi框架是最佳的选择。即使设备发生故障(如光故障),系统其余部分的工作也不会受到影响。一旦设备被修复,就可以将其添加回OSGi网络,并在系统中恢复其角色。3.在高度动态模拟器的设计方面,本文提出了一种基于OSGi的环境感知模拟器,用于分布式智能家居中解决该问题。Apache felix iPOJO(注入的普通Java对象)基于Maven的方法被用于建立OSGi环境。iPOJO是专门为OSGi服务平台创建的面向服务的组件模型。iPOJO的目的是通过提供和使用服务、处理动态性问题来简化OSGi开发,并通过无缝地合并高级功能(包括组件配置、同步和组合)为基本的OSGi机制提供支持。模拟在真正智能家居的设计和开发阶段发挥了重要作用。模拟器直观地表示基于用户活动的智能家居不同设备之间发生的运行时交互。通过虚拟传感器,可以模拟真实环境,并且能够便捷的生成上下文感知逻辑。一旦系统意识到了上下文感知,虚拟设备就可以被真实设备所替代。如前所述,使智能家居系统分布式的解决方案是使用(OSGi)技术。使用OSGi框架来设计分布式智能家居是一个很好的研究领域。文中已经研究并实现了几种模拟器的设计,这些模拟器并不一定基于OSGI。本文类似于傅等学者(2011)所提出的观点。本文目的是为基于分布式OSGi的智能家居系统中的多个居民开发上下文感知逻辑。所开发的工具必须支持多种设备,并且应在不同的智能家居环境中安装。系统的不同组件是可配置的,例如设备、人员和环境,都是通过XML文件进行配置。这使得相同系统可以在任何类似的智能家居中应用,而无需更改任何已开发的组件。由于系统是基于OSGi的,所以它是一个分布式的智能家居系统。本文模拟了一个案例研究场景,并通过实验结果验证了基于OSGi的模拟器的工作原理。该模拟器有两种操作模式,即在Net Beans IDE(集成开发环境)上运行的模拟器模式和使用Apache felix iPOJO(Maven数据库)开发的OSG

关键词：智能家居系统上下文感知基于OSGi的模拟器 Apache felixi POJO 仿真

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The Perspectives of Kwame Nkrumah University of Science and Technology Dental School Graduates

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Open Journal of Stomatology 2018年第5期8卷 158-167页

作者： Alex Oti Acheampong felix Ampofo Anafi Nana Tuffuor Ampem Gyimah Ama Amuasi Solomon Obiri-Yeboah Daniel Kwesi Sabbah Alfred Nyarko Merley Newman Nartey Patrick Ampofo Stephen Ankoh joseph Abu-Sakyi Isaac Kwaku Asiamah Robert Nii Lamy Larmie Francis Adu-Ababio James Appiah Amoateng Peter Donkor Kwame Nkrumah University of Science and Technology Dental School Kumasi Ghana Kumasi South Hospital Kumasi Ghana Komfo Anokye Teaching Hospital Oral Health Directorate Kumasi Ghana University of Ghana School of Medicine and Dentistry Accra Ghana

Background: The idea of establishing a Dental school at the Kwame Nkrumah University of Science and Technology (KNUST) was borne out of a need. There was a shortfall in the supply of dental surgeons, especially in the northern half of the country. Aim/Objective: To seek for feedback from KNUST Dental school graduates over the past six about their overall assessment of the BDS courses taught during their clinical training and challenges faced in the course of their training. Methodology: A cross-sectional retrospective study of all KNUST Dental school graduates from 2012 to 2017. A structured goggle form questionnaire was developed. The Google form link was emailed to the representatives who in turn forwarded the link to their year mates. The questionnaire was filled online and submitted as requested. Results: This represented 63.0% of the entire graduates from KNUST Dental School. The male to female ratio was 1.3:1.0. The age range of our graduate was from 24 yrs (3.8%) to 32 years (1.9%). The average age was 26.3 years. 48.10% of respondents said their training was very good. The major challenges were inadequate clinical space (25.2%) and lack of materials and dental chairs for students’ clinic (27.3%). Conclusion: On the whole, the quality of the training was rated as very good even though some of the courses taught during the clinical training were rated as poor. Inadequate dental chairs, laboratory and clinic materials, supervision of student’s clinic were some of the major challenges expressed by the graduates.

关键词： Dentistry Perspective Graduates Challenges Students

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Analysis of Epidemiological Investigations and Responses to Human Rabies Deaths in Côte d’Ivoire, 2021

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Modern Plastic Surgery 2023年第3期13卷 208-217页

作者： Issaka Tiembre Tetchi Sopi Malthide Akani Bangama Christiane Djoman joseph Benié Bi Training and Research Unit (UFR) Medical Sciences of Abidjan Université Felix Houphou&#235t Boigny Abidjan C&#244te d’Ivoire Institut National d’Hygiène Publique Abidjan C&#244te d’Ivoire

Rabies is an infectious disease that almost always leads to death as soon as the first signs appear, and is still endemic in several regions, including Côte d’Ivoire. Epidemiological investigations are carried out and response measures implemented in the event of any death from human rabies. However, the quality of these investigations does not always allow the adoption of response measures. The aim of this work was to evaluate the reports of epidemiological investigations and response actions carried out during the occurrence of human rabies deaths from 2016 to 2018. This was a cross-sectional study that took place from April to September 2021 at the National Institute of Public Hygiene and focused on human rabies deaths notified from 206 to 2018. Of sixty-one (61) human rabies deaths recorded, sixty (60) were investigated, among which fifty-nine (59) deaths had been subject to response. Most deaths occurred in rural areas (75%), and the main vector was the dog (98%). Several shortcomings were noted: response actions were not carried out promptly;joint interventions bringing together human and animal health professionals were rare, there was little communication about rabies to communities (36%), and very little vaccination of the vector, the source of the disease (12%);an almost total absence of capacity-building for local players (7%);the health districts of Abobo-Ouest, Bondoukou, Divo and Fresco, which had regularly recorded human rabies deaths, had not benefited from dog vaccination, which is supposed to break the circulation of the virus. The persistence of rabies deaths in the health districts could probably be linked to these shortcomings. Faced with these realities, it is essential to strengthen the epidemiological investigation capacities of the players involved, in order to improve the quality of investigations and ensure an effective response.

关键词： Epidemiological Investigations Response Human Rabies Côte d’Ivoire

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Analysis of SocioDemographic Characteristics as Risk Factors of HIV/AIDS in Rural Environment of Ivory Coast

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Sociology Study 2018年第2期8卷 94-102页

作者： Kouassi joseph Tano Qiuyun Sun Ntumba Murphy Lavua Zefang Li Teya Kouame Huazhong University of Science and Technology China University of felix Houphouet Boigny Ivory Coast

AIDS is a public health problem of which,in spite of the authorized actions and efforts,the socio‐economic,cultural,and political effects on humanity do not cease *** either preventive or curative solutions remains a big concern and the production of knowledge is still one of the *** is in this context that this study on the socio‐demographic characteristics in connection with the evolution of the disease in rural environment was carried *** concerned targets were the rural populations of Indenie‐Djuablin,an area located at the East of the Ivory ***,Affalikro,Aniassue,Amelekia,and Bettie,principal large villages of the chief town of Abengourou area were the sites of data collection of nearly 305 samples of individuals using a questionnaire and interview *** study used a quantitative and qualitative method with the dialectical and hypothetico‐deductive approaches for the data *** results obtained and discussed made it possible to conclude that the socio‐demographic characteristics,while determining the attitudes and behaviors,expose the individuals to the HIV/AIDS contamination.

关键词： Socio‐demographic characteristics risk factors expansion HIV/AIDS rural environment

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Influence of Plastic and Coconut Shell (Cocos nucifera L.) on the Physico-Mechanical Properties of the 8/6 Composite Rafter

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Open Journal of Composite Materials 2023年第4期13卷 57-68页

作者： Fofana Messorma Souleymane Jolissaint Obre Sery Paul Emeruwa Edjikémé Yomanfo Assoumou joseph Soil Water and Geomaterials Laboratory (UFR-STRM) Felix Houphouet-Boigny University Abidjan Ivory Coast

In this paper, the authors aim to propose the use of waste plastics as a binder in a coconut shell reinforcement for the development of an 8/6 size composite rafter to replace the natural 8/6 size backbone in construction. Following a study into the choice of the best proportions, a total of 30 size 8/6 composite rafters with different proportions of 20%, 25%, 30%, 35%, 40% and 50% plastic content were developed. All the 8/6 composite rafters were subjected to mechanical (3-point bending strength and Monnin hardness) and physical (bulk density and water absorption) characterization analyses. The results show that flexural strength increases from 27.56 MPa to 33.30 MPa for proportions ranging from 20% to 35% plastic content. Above 35% plastic, the strength drops to 19.60 MPa for a 50% plastic content. Similarly, the Monnin hardness drops from 9 mm to 5 mm when the plastic content varies from 20 to 50%. As for the results of the physical characterisation, the values obtained for apparent density vary from 0.89 to 1 for proportions varying from 20% to 35% plastic content and drop to 0.94 for 50% plastic content. As for water absorption, values drop from 6.82% to 2.45% when the plastic content increases from 20% to 50%. These mechanical strengths stabilise at 35% plastic content. The development of an 8/6 chevron composite material based on plastic and coconut shell could therefore be a way of recovering waste and solving the problem of deforestation.

关键词： Plastic Waste Coconut Shell Recovery Mechanical and Physical Properties 8/6 Composite Chevron

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Mechanical Characterization of Rubber Latex-Based Carpets (Hevea bresiliensis): Influence of Rubber Latex Content and Fiber Fabrics (Cotton and Mosquito Nets) on Wear Resistance of Rubber Latex-Based Carpets

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Open Journal of Composite Materials 2023年第3期13卷 47-55页

作者： Assoumou joseph Yomanfo Obre Sery Paul Jolissaint Edjikémé Emeruwa Maméry Adama Serifou Soil Water and Geomaterials Laboratory (UFR-STRM) Felix Houphouet-Boigny University Abidjan Ivory Coast

This work focuses on the development of carpets from sand, fabrics of cotton fiber and mosquito nets and rubber latex. Following a study on the choice of the best formulations, the quantity of rubber latex used for shaping varies between 14% and 18% (latex/sand + latex ratio) for the carpet with the fabric of mosquito nets and between 16% and 18% for the one made with the fabric of cotton fiber. Thus, with a mixture of sand, fiber fabrics (cotton and mosquito nets) and rubber latex, carpets were developed. In addition, the wear test carried out on these samples indicates that it is possible to produce carpets with the new material made of rubber sand and latex: SABLATEX At room temperature. Following the characterization test, it resorts to only 16% latex with cotton fiber fabric, allowing to have carpets with good mechanical characteristics.

关键词： Carpet Rubber Latex Wear Test Latex Content Fiber Fabrics

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SCAPS 1D Simulation of a Lead-Free Perovskite Photovoltaic Solar Cell Using Hematite as Electron Transport Layer

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Modeling and Numerical Simulation of Material Science 2024年第4期14卷 97-106页

作者： Souleymane Tuo Konan Boua Marc Kevin Koffi Koffi Arnaud Kamenan joseph Datte Abé Simon Yapi Faculty of Sciences and Technologies University of Man Man Cte dIvoire Faculty of Biologicals Sciences Department of Mathematics Physics and Chemistry University of Peleforo Gon Coulibaly Korhogo Cte dIvoire Department of Physics Normal Superior School Cocody Cte dIvoire Laboratory of Technologies University of Felix Houphouet Boigny of Cocody Abidjan Cte dIvoire

In recent years, there has been remarkable progress in the performance of metal halide perovskite solar cells. Studies have shown significant interest in lead-free perovskite solar cells (PSCs) due to concerns about the toxicity of lead in lead halide perovskites. CH3NH3SnI3 emerges as a viable alternative to CH3NH3PbX3. In this work, we studied the effect of various parameters on the performance of lead-free perovskite solar cells using simulation with the SCAPS 1D software. The cell structure consists of α-Fe2O3/CH3NH3SnI3/PEDOT: PSS. We analyzed parameters such as thickness, doping, and layer concentration. The study revealed that, without considering other optimized parameters, the efficiency of the cell increased from 22% to 35% when the perovskite thickness varied from 100 to 1000 nm. After optimization, solar cell efficiency reaches up to 42%. The optimization parameters are such that, for example, for perovskite: the layer thickness is 700 nm, the doping concentration is 1020 and the defect density is 1013 cm−3, and for hematite: the thickness is 5 nm, the doping concentration is 1022 and the defect concentration is 1011 cm−3. These results are encouraging because they highlight the good agreement between perovskite and hematite when used as the active and electron transport layers, respectively. Now, it is still necessary to produce real, viable photovoltaic solar cells with the proposed material layer parameters.

关键词： CH3NH3SnI3 α-Fe2O3 SCAPS 1D Thickness Doping Defect Optimisation

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Mineralogical and Chemical Characteristics of Clays Consumed in the District of Abidjan(Cote D’Ivoire)

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Materials Sciences and Applications 2014年第14期5卷 1048-1059页

作者： Vamoussa Coulibaly joseph Sei Leon Konan Koffi Samuel Oyetola El-Aid Jdid Fabien Thomas Laboratoire de Chimie des Materiaux Inorganiques UFR SSMTUniversite Felix Houphouet-Boigny de Cocody-AbidjanAbidjanCote d’Ivoire Universite de Lorraine Laboratoire Georessources—UMR 7359Rue du Doyen RoubaultVandoeuvreFrance CNRS Laboratoire Georessources—UMR 7359Rue du Doyen RoubaultVandoeuvreFrance Universite de Lorraine Laboratoire Interdisciplinaire des Environnements Continentaux—UMR 736015 rue du CharmoisVandoeuvreFrance CNRS Laboratoire Interdisciplinaire des Environnements Continentaux—UMR 736015 rue du CharmoisVandoeuvreFrance

Clay materials of the quarry of Bingerville (district of Abidjan) have been characterized by chemical analysis, X-rays diffraction, infrared spectroscopy and thermal analysis. These materials contain kaolinite (41% - 84%), illite (4% - 10%), quartz (14% - 27%), goethite (2% - 5%) and small amount of rutile (1%) that are not toxic minerals. They also contain some heavy metals which are beneficial to human biological activity (cobalt, copper, molybdenum, zinc) in tiny quantities. Some other heavy metals (lead, cadmium) which are considered as poisonous for human are present in very low content. The samples characterized by relatively fine grains are moderately crystallized. Their specific surface area varied from 26 to 43 m2·g—1. The mineralogical and physicochemical characteristics of these samples are like ones known for their healing properties. The consumption by internal way of studied materials, although it may be beneficial, requires a sifting to remove coarse grains (Φ > 2 μm) and a previous microbiological control.

关键词： Mineralogy Physicochemical Analysis Kaolinite Illite Edibility

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