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Epidemiological and Clinical Aspects of Hospitalized Patients with Chronic Rheumatic Disease at Cocody University Hospital in Abidjan

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Open Journal of Rheumatology and Autoimmune Diseases 2023年第3期13卷 65-70页

作者： Ehaulier Soh Christian Louis Kouakou Charles Sougué Konan Joe Clauvis Yao Aissata Traore Joseph Kan Enock Koffi jean Jacques Goua Francine Same Bebey Phillipe Goupille jean claude felix daboiko Rheumatology Department Bouake University Hospital Bouake C&#244te d’Ivoire Rheumatology Department Cocody University Hospital Abidjan C&#244te d’Ivoire Department of Internal Medicine Sour&#244 Sanou University Hospital Bobo Dioulasso Burkina Faso Rheumatology Department Laquintinie Hospital Douala Cameroon Rheumatology Department Tours University Hospital Tours France

Objective: To study the epidemiological and diagnostic features of chronic rheumatic disease (CRD) in a black population in sub-Saharan Africa. Patients and Methods: Retrospective descriptive study over eight years (January 2005 to December 2012) of patients seen for CRD in rheumatology hospitalization at the CHU de Cocody in Abidjan, Côte d’Ivoire. Results: Of 3147 hospitalized patients, 92 had CRD, a frequency of 2.9%. The mean age of patients was 43.50 ± 15.6 years (extremes: 10 to 79 years). The sex ratio was 0.08 (7 men and 85 women). The socio-economic level was low in 44 patients (47.8%), medium in 44 patients (47.8%), and high in 4 patients (4.4%). The reasons for consultation were polyarthritis (64.1%), polyarthralgia (30.4%), and oligoarthritis (5.4%). The mean duration of symptomatology was 19 months (range: 3 to 20 years). The mean length of hospital stay was 14.2 ± 7.7 days (range: 2 to 36 days). The CRD observed were: rheumatoid arthritis (59.8%), systemic lupus erythematosus (23.9%), mixed connective tissue disease (6.5%), undifferentiated connective tissue disease (3.3%), polymyositis (3.3%), systemic scleroderma (2.2%), and systemic vasculitis (1%). Conclusion: CRD is not uncommon in rheumatology hospitals in Abidjan. Diagnostic delays are long, and rheumatoid arthritis and systemic lupus erythematosus are the most frequently encountered conditions.

关键词： Chronic Rheumatic Disease Rheumatoid Arthritis Lupus Abidjan

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Deep eutectic solvent-driven self-assembly of metal mercaptide complexes with enzyme-mimicking activities for detection of uric acid through one-step cascade catalytic reaction

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Green Chemical Engineering 2024年第1期5卷 75-84页

作者： jean claude Munyemana Jia Chen Xin Li Yangxia Han Hao Tang Hongdeng Qiu CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhou730000China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing100039China Department of Pharmacy Gansu Provincial HospitalLanzhou730000China

This work presents a generic strategy to create a series of metal mercaptides complexes via coordination selfassembly between transition metals(Mn,Cu,Co,Fe,and Ni)and cysteine(Cys)by forming the sulfur-metal *** strategy involves dissolving metal chlorides and Cys into deep eutectic solvents(DES),followed by the precipitation of metal mercaptides complexes(such as Cys-Mn)by adding water as an antisolvent,where DES serves as the solvent,shape directing,and capping agent,thereby preventing the formation of other metal ***,the prepared complexes possess both laccase and peroxidase-like properties,allowing the design of a technique for the detection of L-3,4-dihydroxyphenylalanine(L-DOPA)and uric acid,*** prepared Cys-Mn can linearly oxidize L-DOPA with its concentrations from 0.1 to 130μM and the detection limit was calculated to be 75.5 n ***,the Cys-Mn can mimic the activity of peroxidase towards oxidization of o-phenylenediamine at neutral p H,allowing single-step and one-pot cascade reactions for visual and fluorometric measurements of uric acid(UA)that could work in the range of 0.2-500μM UA with a detection limit of 0.06μM and 0.054μМ,*** assay was successful in detecting UA in serum and urine samples with relative standard deviation(RSD)ranging from 7.3%to 10.2%and 3.0%-8.5%respectively,suggesting that it may prove useful in medical diagnostic testing.

关键词： Metal-mercaptides Deep eutectic solvents Self-assembly Peroxidase-mimic catalyst Uric acid detection

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New Insights in the Biodegradability and the Ecotoxicological Effects of Solar Products Containing Mineral and Chemical UV-Filters on Marine Zoo- and Phytoplanktons: An in silico and in vitro Study

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Journal of Cosmetics, Dermatological Sciences and Applications 2024年第1期14卷 98-111页

作者： jean-claude Hubaud Karim Mekideche jean-Eric Branka Luc Lefeuvre HELIOSCIENCE Cité de la cosmétique 2 rue Odette Jasse Marseille France EPHYSCIENCE 498ter route de Saint Joseph de Porterie Nantes France Laboratoires Dermatologiques d’Uriage Neuilly-sur-Seine France

Background: Cosmetic formulations, and particularly solar products which contain mineral and chemical UV-filters, are often suspected of causing harmful effects on marine fauna and flora. After the publication of our work in 2019 concerning the ecotoxicological effects of such formulations on corals (Seriatopora hystrix), we here provide some new information about the biodegradability and the ecotoxicological effects of these products on marine zoo- and phytoplankton. Therefore, we choose to realize in silico and in vitro studies of the biodegradability of several solar products but also to evaluate the ecotoxicological effects of these products on one phytoplankton, i.e. Phaeodactylum tricornutum, and one zooplankton, i.e. Acartia tonsa, of a great importance for sea species survival (notably as sources of food). Materials and methods: Two different approaches were used to study the biodegradability of the tested products: One in silico method and an in vitro one. 2 solar products were involved in the in silico study which consisted in the determination of the degradation factor (DF) of each ingredient of the tested formulas in order to finally obtain their estimated biodegradability percentage. Already available data concerning each ingredient coupled to a computer model developed with one of our partners were used to achieve this study. The in vitro study involved 8 formulas containing UV-filters and was led by following the OECD 301 F guidelines. Ecotoxicological studies of 7 of the formulas containing UV-filters were for their part realized by following the ISO 10253 guidelines for the experiments led with Phaeodactylum tricornutum, and the ISO 14669 guidelines for the experiments led with Acartia tonsa. In these studies, the effect of each tested product on crustaceans’ mortality and algal growth inhibition was assessed. Results: The in silico study predicted that formulas containing chemical UV-filters display a high biodegradability (superior to the threshol

关键词： UV-Filters Chemical UV-Filter Biodegradability Ecotoxicology in silico in vitro Zooplankton Phytoplankton Phaeodactylum tricornutum Acartia tonsa

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31 Plant Species against Blood Feeding and Disease Vectors Insects: Beyond Anti-Insect Properties, Unvalued Opportunities and Challenges for Health and Sustainability

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Pharmacology & Pharmacy 2024年第5期15卷 167-206页

作者： Prudence Bararunyeretse jean claude Niyokwizera Esperance Gateretse Mathias Hitimana Research Center for Natural and Environmental Sciences (CRSNE) University of Burundi Bujumbura Burundi Institutes of Agronomic Sciences of Burundi (ISABU) Bujumbura Burundi East African Nutritional Sciences Institute (EANSI) University of Burundi Bujumbura Burundi

Plants with bioactive properties are greatly useful in preventing and controlling blood-sucking and disease-vector invertebrates, particularly in developing countries and low-income communities. Their application is a promising alternative to synthetic compounds whose use remains a health, environmental, and economic challenge. However, many are still unknown and unvalued, while others are becoming ignored and threatened. The main objective of this ethnobotanical study is to identify and characterize indigenous and locally grown plants against blood-sucking and disease-vector insects. Salient opportunities and challenges of using these plants are documented and discussed. Semi-structured interviews, using a prepared questionnaire, were conducted with 228 informants. The consensus index (CI) was calculated to analyze the reliability of the collected information. The identified 31 anti-insect plant species belong to 20 botanical families, four morphological categories, and six habitat types. They can be categorized as insecticidal plants (42% of the total), insect repellent (42% of the total), and both insecticidal and insect repellent (16% of the total). More than 54% of these are still abundant in the study area, while about 35.5% have become rare and difficultly accessible. Based on the numerical importance of related anti-insect plant species, the seven targeted blood-sucking insects range in the following decreasing order: Jiggers (16 species) > Fire Ants (9 species) > Flies (8 plants) > Mosquitoes (4 species) > Fleas (2 species) > Bedbugs (1 species) > lice (0 species). The three most commonly used plants, with the highest confirmation indices, are Tetradenia riparia (ICs = 0.712), Eucalyptus globulus subsp. maidenii (ICs = 0.302), and Solanum aculeastrum (ICs = 0.288). The antimicrobial role of many locally grown anti-insect plants and the multiple other associated valorization possibilities are ignored by most informants. Domesticating, propagating, protecting

关键词： Blood-Feeding Insects Anti-Insect Plants Biopesticides Sustainability Burundi

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Bound and Resonating Multiquark Configurations

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Chinese Physics Letters 2024年第8期41卷 8-12页

作者： jean-Marc Richard Institut de Physique des 2 Infinis de Lyon Universit′e claude Bernard(Lyon 1) CNRS-IN2P34 rue Enrico Fermi69622 VilleurbanneFrance

We review the predictions of quark models for multiquark configurations that are bound or resonant states,and compare different methods for estimating the properties of resonances.

关键词： quark Configuration resonant

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Factors Associated with HIV/Tuberculosis Coinfection among People Living with HIV after Initiation of Antiretroviral Treatment in Lingwala Health Zone from 2021 to 2023

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Advances in Infectious Diseases 2024年第1期14卷 176-195页

作者： jean claude Mikobi Maleshila Espérant Ntambue Malu Fabrice Sewolo Tacite Kpanya Mazoba jean Nyandwe Kyloka Kinshasa School of Public Health University of Kinshasa Kinshasa Democratic Republic of the Congo Interdisciplinary Center for Research in Medical Imaging (CIRIMED) Kinshasa Democratic Republic of the Congo

Context and objective: Around 8% of incident cases of tuberculosis (TB) were reported among people living with HIV worldwide in 2022. Tuberculosis is the leading cause of death among people living with HIV. Africa accounts for the majority of co-infection episodes, with over 50% of cases in some parts of southern Africa. In the Democratic Republic of Congo (DRC), around 9% of persons living with HIV (PLHIV) develop TB and 11% of TB patients are infected with HIV. The DRC is one of the 30 countries in the world bearing the brunt of co-infection. Despite the efforts made by countries to improve access to antiretroviral traitement (ART), TB remains a major problem among people living with HIV. The Lingwala Health Zone in the provincial city of Kinshasa recorded a large number of cases of HIV/TB co-infection during the study period. The aim of this study was to determine the factors associated with HIV/TB co-infection among PLHIV on ART in the Lingwala health zone (HZ) in Kinshasa. Methods: This was a case-control study conducted in the state-run HIV care facilities in the Lingwala health district among PLHIV who had visited the health facilities during the period 2021-2023. Cases were coinfected patients and controls were PLHIV who had not developed tuberculosis during the study period. Results: A total of 281 PLHIV were enrolled in the study, with 70 cases and 211 controls. Factors associated with HIV/TB co-infection after multivariate analysis were viral load (OR = 5.34;95% CI;1.8-15.8, p = 0.005). History of tuberculosis (OR = 20.84;95% CI;8.6-50.3, p -85.0, p = 0.005) and BMI Conclusion: The results of this study indicate that the detection of these enumerated factors should prompt providers to actively search for tuberculosis with a view to organising early management.

关键词： PLHIV on ART HIV/TB Co-Infection Viral Load Antiretroviral (ARV) Adherence

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Predictive Factors for Pre-Eclampsia: A Case-Control Study in Two Hospitals in Yaounde

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Open Journal of Obstetrics and Gynecology 2024年第4期14卷 565-574页

作者： Junie Annick Metogo Ntsama Ines Winnie Gouanfo claude Hector Mbia Wilfried Loic Tatsipie Pascal Mpono Madye Ngo Dingom felix Essiben claude Cyrille Noa Ndoua Faculty of Medicine and Biomedical Sciences University of Yaound&#233 I Yaound&#233 Cameroon Faculty of Medicine and Pharmaceutical Sciences University of Dschang Dschang Cameroon

Introduction: Pre-eclampsia is a major cause of maternal and prenatal morbidity and mortality, that complicates 2% to 8% of pregnancies worldwide. The aim of this study was to determine the predictive factors for pre-eclampsia in two hospitals in the city of Yaoundé. Methods: A case-control study was conducted at the Gynaecology & Obstetrics department of the Yaoundé Gynaeco-Obstetric and Paediatric Hospital (YGOPH) and the Main Maternity of the Yaoundé Central Hospital (MM-YCH) from February 1 to July 30, 2022. The cases were all pregnant women presenting with pre-eclampsia. The control group included pregnant women without pre-eclampsia. Descriptive statistics followed by logistic regression analyses were conducted with level of significance set at p-value Results: Included in the study were 33 cases and 132 controls, giving a total of 165 participants. The predictive factors for pre-eclampsia after multivariate analysis were: primiparity (aOR = 51.86, 95% CI: 3.01 - 1230.96, p = 0.045), duration of exposure to partner’s sperm Conclusion: The odds of pre-eclampsia increased with primiparity, duration of exposure to partner’s sperm < 3 months, personal history of pre-eclampsia and maternal history of pre-eclampsia. Recognition of these predictor factors would improve the ability to diagnose and monitor women likely to develop pre-eclampsia before the onset of disease for timely interventions.

关键词： Pre-Eclampsia Predictive Factors Yaoundé

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高浓磨浆过程强度表征研究现状及展望

高浓磨浆过程强度表征研究现状及展望

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中国造纸学会第二十一届学术年会

作者：刘欢蒲永平董继先 ROUX jean-claude 乔丽洁郭西雅

高浓磨浆过程是制浆造纸、中密度纤维板等行业的重要操作单元,高浓磨浆机的运行效果直接影响纤维质量及过程能耗。本文以高浓磨浆过程的重要表征参数磨浆强度为出发点,系统综述了高浓磨区蒸汽及浆料的运动、浆料在磨区的停留时间、磨齿... 详细信息

高浓磨浆过程是制浆造纸、中密度纤维板等行业的重要操作单元,高浓磨浆机的运行效果直接影响纤维质量及过程能耗。本文以高浓磨浆过程的重要表征参数磨浆强度为出发点,系统综述了高浓磨区蒸汽及浆料的运动、浆料在磨区的停留时间、磨齿冲击频次及磨浆强度等方面的理论及实验研究现状,旨在全局把握高浓磨浆强度的研究脉络并解决现有研究存在的问题,本文还展望了高浓磨浆磨区对纤维动态冲击的作用机理及强度模型的未来研究及应用前景,对高得率制浆高浓磨浆过程的节能降耗与纤维性能调控具有积极意义。

关键词：高得率制浆高浓磨浆机纤维停留时间冲击频次磨浆强度

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Hydrochemical Characterisation and Assessment of the Level of Contamination of Groundwater Collected by Private Waterworks in the Town of Moundou in the South of Chad

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Journal of Geoscience and Environment Protection 2024年第1期12卷 13-32页

作者： Prosper Doumtoudjinodji Elegbede Manou Bernadin jean claude Doumnang Mbaigane Nguérassem Djoueingue Urbain Agnichola Akilou Socohou Amadou Water and Environment Sciences and Techniques Laboratory National Water Institute (INE) University of Abomey-Calavi Cotonou Benin Geology Geomorphology and Remote Sensing Laboratory University of N’Djaména N’Djamena Chad Applied Hydrology Laboratory National Water Institute (INE) University of Abomey-Calavi Cotonou Benin

Groundwater is the main source of drinking water for large cities in most African countries. In Moundou, for example, the conventional groundwater supply system is failing. To compensate for this state failure, the population is building boreholes and wells, most of which tap the surface water table, generally referred to as the “water table”. The aim of this study is to characterize these waters in order to assess their level of contamination and, by extension, the degree of pollution of the water table. Major elements such as: Chloride (Cl-), Sulfate (SO42-), Nitrate (NO3-), Calcium (Ca2+), magnesium (Mg2+), sodium (Na+) and potassium (K+) were analysed by Liquid Chromatography and the Bicarbonate ion (HCO3-) was determined by the titrimetric method. The methodology applied is based on a combination of hydrochemical techniques and statistical analysis (PCA and CHA). A sampling campaign was carried out during high-water periods. The results of the physico-chemical analyses show mineralization ranging from 7.29 to 3670 μS/cm, with an average of 487.44 μS/cm. The groundwater studied is generally acidic, with a pH ranging from 3.26 to 6.41. Based on their anions, they are classified into four main hydrochemical facies: chloride and sulphate facies, calcium and magnesium facies, sodium and potassium facies and bicarbonate facies. The various correlations between major ions and statistical analyses have enabled us to identify three hydrogeochemical processes involved in water mineralization. The dominant process is silicate hydrolysis, followed by cation exchange, then anthropogenic input, which influences mineralization by polluting the water.

关键词： Drinking Water Groundwater Chemical Pollution Moundou Chad

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Macroalgal deep genomics illuminate multiple paths to aquatic,photosynthetic multicellularity

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Molecular Plant 2024年第5期17卷 747-771页

作者： David R.Nelson Alexandra Mystikou Ashish Jaiswal Cecilia Rad-Menendez Michael J.Preston Frederik De Boever Diana C.El Assal Sarah Daakour Michael W.Lomas jean-claude Twizere David H.Green William C.Ratcliff Kourosh Salehi-Ashtiani Division of Science and Math New York University Abu DhabiAbu DhabiUAE Center for Genomics and Systems Biology(CGSB) New York University Abu DhabiAbu DhabiUAE Biotechnology Research Center Technology Innovation InstitutePO Box 9639Masdar CityAbu DhabiUAE Culture Collection of Algae and Protozoa Scottish Association for Marine ScienceObanScotlandUK National Center for Marine Algae and Microbiota Bigelow Laboratory for Ocean SciencesEast BoothbayMEUSA Laboratory of Viral Interactomes GIGA InstituteUniversity of LiegeLiegeBelgium School of Biological Sciences Georgia Institute of TechnologyAtlantaGAUSA

Macroalgae are multicellular,aquatic autotrophs that play vital roles in global climate maintenance and have diverse applications in biotechnology and eco-engineering,which are directly linked to their multicellularity ***,their genomic diversity and the evolutionary mechanisms underlying multicellularity in these organisms remain *** this study,we sequenced 110 macroalgal genomes from diverse climates and phyla,and identified key genomic features that distinguish them from their microalgal *** for cell adhesion,extracellular matrix formation,cell polarity,transport,and cell differentiation distinguish macroalgae from microalgae across all three major phyla,constituting conserved and unique gene sets supporting multicellular *** genes show phylum-and climate-specific expansions that may facilitate niche ***,our study reveals genetic determinants of convergent and divergent evolutionary trajectories that have shaped morphological diversity in macroalgae and provides genome-wide frameworks to understand photosynthetic multicellular evolution in aquatic environments.

关键词： macroalgae multicellularity comparative genomics evolution adhesome endogenous viral elements

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