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Profile of Multidrug Resistant Bacteria in Bukavu Hospitals and Antimicrobial Susceptibility to Escherichia coli, Pseudomonas aeruginosa, Proteus mirabilis and Staphylococcus aureus

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Advances in Microbiology 2024年第4期14卷 209-225页

作者： christian Ahadi Irenge Freddy Bikioli Patient Birindwa Mulashe Félicien Mushagalusa Kasali Patient Wimba Aksanti Lwango Yves Coppieters Justin Ntokamunda Kadima Department of Pharmacy and Public Health Official University of Bukavu Bukavu Democratic Republic of the Congo Department of Tropical Medecine Faculty of Medecine University of Kinshasa Kinshasa Democratic Republic of the Congo Department of Microbiology Faculty of Medicine Official University of Bukavu Bukavu Democratic Republic of the Congo Department of Medical Biology Higher Institute of Medical Technics Bukavu Democratic Republic of the Congo School of Public Health Free University of Bruxelles Bruxelles Belgium School of Medicine College of Medicine and Health Sciences University of Rwanda Huye Rwanda

Objective: To evaluate the spread of Multidrug-Resistant (MDR) bacterial infections in Bukavu hospitals and test antimicrobial susceptibility patterns of some isolates to usual marketed antibiotics. Methods: The prevalence of MDR strains was determined by using general antimicrobial susceptibility data collected from 3 hospital laboratories. The susceptibility of some isolates to usual antibiotics was processed by agar diffusion method with standard E. coli ATCC8739 and standard antibiotics discs as controls. The tested antibiotics were ampicillin, ceftriaxone, gentamicin, chloramphenicol and ciprofloxacin. Results: At the 3 hospitals, 758 tests were realized in urine, pus, stool, FCV, blood, LCR, split and FU specimens;46 strains were unidentified and 712 strains were identified. Of 712 identified strains, 223 (31.4%) were MDR or XDR strains including Escherichia coli, Klebsiella pneumoniae, Enterobacter, Proteus mirabilis, Salmonella enterica, Pseudomonas aeruginosa, Citrobacter freundii, Morganella morganii, Enterococcus faecalis and E. faecium, Neisseria gonorrohoae, Staphylococcus aureus, coagulase-negative, staphylococci, Streptococcus pneumoniae and Streptococcus pyogenes. Of the infected patients, 36 (21.5%) children were under 16 years and 188 (78.5%) adults were predominately women (58.5%). The susceptibility test showed that all strains but S. aureus were resistant to ampicillin and amoxicillin and ciprofloxacin. Gentamicin, ceftriaxone, and chloramphenicol remain partially active (27% - 80%) against P. mirabilis, E. coli and P. aeruginosa. The resistance is more likely related to strain mutation than to pharmaceutical quality of the antibiotics prescribed. Conclusion: Both data from hospital laboratories and in vitro post-testing findings confirmed the ongoing elevated prevalence of MDR strains in Bukavu. The causes of antibiotic misuse and socio-economic determinants of the phenomenon of resistance should be scrutinized in order to take adequate strateg

关键词： Prevalence Antimicrobials Multi-Resistance Bacterial Sensitivity Bukavu DRC

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Using Linear and Non-Linear Techniques to Characterize Gait Coordination Patterns of Two Individuals with NGLY1 Deficiency

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Case Reports in Clinical Medicine 2024年第9期13卷 391-409页

作者： Charles S. Layne Dacia Martinez Diaz Christopher A. Malaya Brock Futrell christian Alfaro Hannah E. Gustafson Bernhard Suter Department of Health and Human Performance University of Houston Houston TX USA Center for Neuromotor and Biomechanics Research University of Houston Houston TX USA Center for Neuro Engineering and Cognitive Science University of Houston Houston TX USA Research Center Parker University Dallas TX USA Blue Bird Circle Rett Center Texas Childrens Hospital Houston TX USA Baylor College of Medicine Houston TX USA

Individuals with NGLY1 Deficiency, an inherited autosomal recessive disorder, exhibit hyperkinetic movements including athetoid, myoclonic, dysmetric, and dystonic movements impacting both upper and lower limb motion. This report provides the first set of laboratory-based measures characterizing the gait patterns of two individuals with NGLY1 Deficiency, using both linear and non-linear measures, during treadmill walking, and compares them to neurotypical controls. Lower limb kinematics were obtained with a camera-based motion analysis system and bilateral time normalized lower limb joint time series waveforms were developed. Linear measures of joint range of motion, stride times and peak angular velocity were obtained, and confidence intervals were used to determine if there were differences between the patients and control. Correlations between participant and control mean joint waveforms were calculated and used to evaluate the similarities between patients and controls. Non-linear measures included: joint angle-angle diagrams, phase-portrait areas, and continuous relative phase (CRP) measures. These measures were used to assess joint coordination and control features of the lower limb motion. Participants displayed high correlations with their control counterparts for the hip and knee joint waveforms, but joint motion was restricted. Peak angular velocities were also significantly less than those of the controls. Both angle-angle and phase-portrait areas were less than the controls although the general shapes of those diagrams were similar to those of the controls. The NGLY1 Deficient participants’ CRP measures displayed disrupted coordination patterns with the knee-ankle patterns displaying more disruption than the hip-knee measures. Overall, the participants displayed a functional walking pattern that differed in many quantitative ways from those of the neurotypical controls. Using both linear and non-linear measures to characterize gait provides a more compre

关键词： NGLY1 Gait Disability Kinematics Angle-Angle Diagrams Phase Portraits

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互花米草有利于我国海岸带蓝碳功能提升

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Science Bulletin 2024年第12期69卷 1991-2000页

作者：张靖凡毛德华刘纪化陈雅萍 Matthew Kirwan christian Sanders 周金戈卢哲覃国铭黄幸运李慧焉恒琦焦念志苏纪兰王法明 Guangdong Key Laboratory of Applied Botany Xiaoliang Research Station of Tropical Coastal Ecosystemsthe CAS Engineering Laboratory for Ecological Restoration of Island and Coastal EcosystemsSouth China Botanical GardenChinese Academy of SciencesGuangzhou 510650China University of Chinese Academy of Sciences Beijing 100049China South China National Botanical Garden Chinese Academy of SciencesGuangzhou 510650China Key Laboratory of Wetland Ecology and Environment Northeast Institute of Geography and AgroecologyChinese Academy of SciencesChangchun 130102China Marine Research Institute Shandong UniversityQingdao 266237China School of Ecology Shenzhen Campus of Sun Yat-sen UniversityShenzhen 518107China Virginia Institute of Marine Science Gloucester PointVA 23062USA National Marine Science Centre School of EnvironmentScience and EngineeringSouthern Cross UniversityCoffs HarbourNSW 2450Australia Guangdong Eco-engineering Polytechnic Guangzhou 510520China Carbon Neutral Innovation Research Center and Fujian Key Laboratory of Marine Carbon Sequestration Xiamen UniversityXiamen 361005China Second Institute of Oceanography State Oceanic AdministrationHangzhou 310012China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519082China School of Ecology and Environment Hainan UniversityHaikou 570228China

Spartina alterniflora has rapidly and extensively encroached on China's coastline over the past *** the coastal areas invaded by ***,at most 93%are ***,the effect of *** invasion on soil organic carbon(SOC)stocks of coastal mudflats has not been systematically studied on a national ***,we quantified the nationwide changes in SOC stocks in coastal mudflats associated with *** invasion between 1990 and *** found that *** invasion significantly enhanced SOC stocks in coastal ***,the benefit of *** invasion of coastal SOC stock may be weakened by continuing human *** found that *** invading mudflats added 2.3 Tg SOC stocks to China's coastal blue carbon,while 1.78 Tg SOC stocks were lost mainly due to human activities,resulted in a net SOC stock gain of 0.52 Tg *** findings overturned the traditionally thought that *** invasion would reduce ecosystem services by highlighting that the historical invasion of *** has broadly and consistently enhanced blue carbon stock in coastal China.

关键词： Spartina alterniflora invasion Mudflats China coastal wetland Blue carbon sequestration

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Theoretical and Experimental Quantification of Solar Radiation through a Tracking System

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Open Journal of Applied Sciences 2024年第9期14卷 2648-2660页

作者： Guy christian Tubreoumya Eloi Salmwendé Tiendrebeogo Tchardja Combary Téré Dabilgou Jacques Nebié Boubou Bagré Alfa Oumar Dissa Antoine Bere Laboratoire de Physique et de Chimie de lEnvironnement (LPCE) Universit Joseph KI-ZERBO Ouagadougou Burkina Faso LAboratoire de Mathmatiques et PhySique (LA.M.P.S) Universit de Perpignan Via Domitia (UPVD) Perpignan France

This work deals with the estimation of solar radiation through a solar tracker aimed at evaluating the effect of solar tracking on the solar deposit in Burkina Faso. Using a two-axis solar tracking system, we experimentally measured solar radiation at our Joseph KI-ZERBO University site and compared it with that obtained by a numerical simulation run using Fortran programming software based on a mathematical model by Brichambaut. The results obtained from the mathematical and experimental studies show that, with a solar tracker, on a clear-sky day, solar irradiation is between 800 W·m−2 and 1000 W·m−2 between about 8 a.m. and 4 p.m., i.e. a duration of 8 hours of insolation. Analysis of the numerical and experimental results shows very good quantitative and qualitative agreement, with an average relative error of 18%.

关键词： Tracking System Solar Radiation Dual Axis Energy Efficiency

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RUNX1通过调节SOX2转录促进食管鳞状细胞癌干性

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皖南医学院学报 2024年第4期43卷 316-321页

作者：黄滔尤琦 Ifeanyi christian Onyebuchi 朱少金皖南医学院第一附属医院弋矶山医院胸外科安徽芜湖241001

目的:探讨RUNT相关转录因子1(RUNX1)在食管鳞状细胞癌中的表达及其对细胞干性的影响。方法:从GEPIA数据库和GEO数据库(GSE111011)获取RUNX1的表达情况,使用TCGA数据库分析基因表达相关性。利用Western blot检测RUNX1、SOX2、OCT4、KLF4... 详细信息

目的:探讨RUNT相关转录因子1(RUNX1)在食管鳞状细胞癌中的表达及其对细胞干性的影响。方法:从GEPIA数据库和GEO数据库(GSE111011)获取RUNX1的表达情况,使用TCGA数据库分析基因表达相关性。利用Western blot检测RUNX1、SOX2、OCT4、KLF4和c-MYC蛋白表达情况。利用qRT-PCR技术检测CD271、CD44、CD54、SOX2和RUNX1的mRNA水平,双荧光素酶报告基因实验检测SOX2启动子活性。通过细胞成球培养和流式细胞术检测侧群细胞和CD271^(+)/CD44^(+)细胞的数量反映细胞干性。结果:GEPIA数据库、GEO数据库和Western blot结果均显示RUNX1在食管癌中高表达。在Eca-109细胞中敲低RUNX1后,抑制SOX2表达和细胞干性(P<0.01)。在KYSE-150细胞中过表达RUNX1后,促进SOX2表达和细胞干性增加(P<0.01)。在KYSE-150细胞中同时过表达RUNX1和敲低SOX2后,RUNX1促进的细胞干性增加被逆转(P<0.01)。双荧光素酶报告基因实验结果显示RUNX1促进SOX2启动子活性,在转录水平调节SOX2表达。结论:RUNX1在食管鳞状细胞癌中高表达,并通过在转录水平调节SOX2表达,从而促进细胞干性。

关键词： RUNT相关转录因子1 性别决定区Y框蛋白2 干性食管鳞状细胞癌

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Modeling the Kinetics of Moisture Desorption from Safou Pulp [Dacryodes edulis (G. Don) ***] before the Oil Extraction Step

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Open Journal of Applied Sciences 2024年第8期14卷 2050-2064页

作者： Anicet Frédéric Binaki Feueltgaldah christian Bopoundza Bob Wilfrid Loumouamou Gueko Séraphin Nguié Eliane Thérèse Biassala Thomas Silou Multidisciplinary Food and Nutrition Research Team Regional Center of Excellence in Food and Nutrition Faculty of Science and Technology Marien Ngouabi University Brazzaville Congo Process Engineering Laboratory UNESCO-ENSP Chair Marien Ngouabi University Brazzaville Congo CR2IE Chemistry and Technology Platform Higher School of Cataract Technology (EPrES) Brazzaville Congo

The aim of this work is to model the drying kinetics of Safou pulp with or without endocarp using a phenomenological approach. Oven-drying kinetics at 70˚C, 90˚C and 105˚C were monitored using the curves given by the reduced mass as a function of time, which are modeled according to the Avrami/page, Fick and Peleg models using OringinPro 2018 software. The results showed that parameters k and n of the Avrami/Page model vary very little with fruit size and drying temperature (0.0018 ± 0.0002 k n k (Avrami model/page) were virtually identical, while b (Fick model) and n (Avrami model/page) were virtually identical for the same sample. For the Peleg model, the parameter a, varies from 0.0018 ± 0.0002 to 0.03328 ± 0.0079, with a ratio of 18.6 for all experimental conditions studied. However, with 0.977 R2 χ2 < 0.00002, we have a good fit of the model to the experimental data. The same applies to parameter b, which ranges from 0.82 ± 0.05 to 1.21 ± 0.02. Thus, drying modeling by these three models can be used to describe and predict the progress of oven-drying of safou pulp.

关键词： Drying Modeling Empirical Models Dacryodes edulis Congo Basin

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Intermediate Hip Arthroplasty in Gabon: Blood Loss and Risk Factor for Transfusion

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Open Journal of Anesthesiology 2024年第4期14卷 109-117页

作者： Ghislain Edjo Nkilly Pascal christian Nze Obiang Raphael Okoue Ondo Arthur Matsanga Stéphane Oliveira Léandre Nguiabanda Jean-Marcel Mandji-Lawson Department of Anaesthesia and Intensive Care Omar Bongo Ondimba Army Training Hospital (HIAOBO) Libreville Gabon Department of Anaesthesia and Intensive Care Jeanne Ebori Fondation Libreville Gabon Department of Anaesthesia and Intensive Care Owendo University Hospital (CHUO) Libreville Gabon Department of Anaesthesia and Intensive Care Akanda Army Training Hospital Libreville Gabon Orthopedic Surgery Service Omar Bongo Ondimba Army Training Hospital (HIAOBO) Libreville Gabon

Background: Hip arthroplasty is a surgery with a high risk of bleeding. The main objective of this study was to research risk factors for bleeding and transfusion in patients undergoing hip hemiarthroplasty in Gabon. Method: It was a retrospective, monocentric, descriptive and analytical study carried out from June 2011 to June 2021 at the Omar Bongo Ondimba army training hospital. The variables studied were demographic characteristics, biological variables, transfusion and intraoperative data. The primary outcome was intraoperative transfusion. A univariate and multivariate analysis was conducted to identify the factors associated with the occurrence of a transfusion. Results: Of the 97 patients included, the average age was 74.2 years ± 10, male predominance was 73.2%, the average ASA score was 1.9 ± 0.5, and transfusion incidence was 38.1%. The average number of RBCs transfused was 1.2 ± 0.6. Tranexamic acid was used in 11.3% of patients. The average bleeding was 450 ± 453 ml. Preoperative anemia was predictor of transfusion to be significant. Conclusion: The incidence of transfusion is law compared to total hip arthroplasty. The implementation of a patient blood management protocol is difficult given the urgency of bone repair. However, a better use of tranexamic acid could reduce this transfusion incidence.

关键词： Hip Arthroplasty Risk Factors Patients Hemiarthroplasty Gabon

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Anthropogenic Threats to Degraded Forest Land in the Savannahs’ Region of Togo from 1984 to 2020, West Africa

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Journal of Geoscience and Environment Protection 2024年第1期12卷 164-179页

作者： Kossi Senyo Ehlui Wouyo Atakpama Henrik von Wehrden Alagie Bah Edinam Kola christian Anthony-Krueger Hodabalo Egbelou Kokouvi Bruno Kokou Tchaa Boukpessi West Africa Science Service Center on Climate Change and Adapted Land Use (WASCAL) University of the Gambia Banjul Gambia Laboratoire de Recherche sur la Dynamique des Milieux et des Sociétés Université de Lomé Lomé Togo Laboratoire de Botanique et écologie Végétale Département Botanique Faculté des Sciences Université de Lomé Lomé Togo West Africa Plant Red List Authority (WAPRLA) IUCN Species Survival Commission Gland Switzerland Faculty of Sustainability Center of Methods Leuphana University of Lüneburg Lüneburg Germany Center for International Forestry Research and World Agroforestry (CIFOR-ICRAF) Nairobi Kenya Laboratoire de Recherche sur la Dynamique des Milieux et des Sociétés (LARDYMES) Department of Geography FSHS University of Lomé Lome Togo Department of Science Education University of Cape Coast Cape Coast Ghana Institut Togolais de Recherches Agronomiques (ITRA) Lomé Togo Laboratoire de Recherches Biogéographiques et d’Etudes Environnementales Department of Geography University of Lome Lome Togo

This study focuses on the landscape dynamics of the savannahs’ region in the far north of Togo. Based on a literature review and satellite images analysis using GIS and remote sensing, the study aims to ascertain the effects of anthropogenic threats on the forest coverage of the Savannahs’ Region between 1984 to 2020. The objective is to clarify the dynamics of land use in the region from 1984 to 2000 and from 2000 to 2020. The findings indicate a significant decline in forest coverage within the region from 1984 to 2020, a trend attributed to land use patterns. Dry forests in the Savannah region are largely converted to farmlands, housing, dry savannahs or agroforestry parks, leading to a steady reduction in forest areas.

关键词： Forest Degradation Land Use Land Cover Savannahs Region Togo

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Epidemiological, Diagnostic, Therapeutic, and Prognostic Profile of Non-Tuberculous Community-Acquired Purulent Pleurisy in Children at the Bouaké University Hospital Center, 2017-2021

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Advances in Infectious Diseases 2024年第1期14卷 220-232页

作者： Yapo Thomas Aba christian Yao Pacôme Monemo Richard Azagoh-Kouadio Iburaima Akandji Noelle Gonné Jean-Marie Karidioula Vincent Achi Vincent Kouadio Asse Department of Infectious and Tropical Diseases University Hospital of Bouaké Bouaké Ivory Coast University Alassane Ouattara of Bouake Bouake Ivory Coast Department of Pediatrics University Hospital of Bouaké Bouaké Ivory Coast Department of Bacteriology & Virology University Hospital of Bouake Bouaké Ivory Coast Department of Pediatrics University Hospital of Angré Abidjan Ivory Coast Department of Pneumology University Hospital of Bouake Bouaké Ivory Coast

Introduction: In Côte d’Ivoire, there is a scarcity of data on children’s purulent pleurisies. Objective: This study aims to elucidate the epidemiological, diagnostic, therapeutic, and evolutionary facets of non-tuberculous purulent pleurisies in pediatric patients. Methods: A retrospective analysis was conducted using the medical records of children aged one month to fifteen years with purulent pleurisies at Bouaké University Hospital Center from January 2017 to December 2021. Results: The study identified 124 cases of purulent pleurisies, constituting 18% of lower respiratory tract infections and 0.8% of all hospitalizations. The majority of these cases (69%) were in children between 1 and 24 months of age. Prominent symptoms included dyspnea (85.5%), O2 saturation below 95% in room air (76.6%), respiratory distress (68.5%), cutaneous-mucosal pallor (63.7%), and fever (43.5%). Radiological findings predominantly showed right-sided pleurisy (62.1%). The pleurisy was often extensive (78.2%), accompanied by pneumothorax (37.1%), alveolo-interstitial opacities (8.1% of cases), and abscess formations (1.6%). Pleural fluid cultures were positive in 46.9% of cases, with Staphylococcus aureus (75%, methi-S) identified among 32 bacteria. Initial antibiotic treatment was empirical, favoring oxacillin (53.2%) or amoxicillin-clavulanic acid (53.2%) in dual (42%) or triple therapy (33%) with gentamicin (64.1%) and/or metronidazole (21.8%). Treatments also included pleural drainage (68.5%) or repeated evacuation punctures (33.1%), and blood transfusion (39%). The mortality rate was 18.8%. Conclusion: Non-tuberculous purulent pleurisy remains a significant concern in pediatric hospitalizations at the CHU of Bouaké, marked by high mortality rates.

关键词： Community-Acquired Purulent Pleurisies Children Mortality Bouaké

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Quantifying Kinematic Tremor in an NGLY1-Deficient Individual: A Case Study

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Case Reports in Clinical Medicine 2024年第1期13卷 25-36页

作者： Brock Futrell Christopher Alexander Malaya Dacia Martinez Diaz christian Alfaro Hannah Elizabeth Gustafson Subhalakshmi Chandrasekaran Rhea Mohan Phatak Bernhard Suter Charles Shannon Layne Department of Health and Human Performance University of Houston Houston USA Center for Neuromotor and Biomechanics Research University of Houston Houston USA Department of Computer Science and Engineering Texas A&M University College Station USA Blue Bird Circle Rett Center Texas Children’s Hospital Houston USA Baylor College of Medicine Houston USA Center for NeuroEngineering and Cognitive Science University of Houston Houston USA

NGLY1 Deficiency is an autosomal recessive congenital disorder that has been identified in less than 100 individuals. Most individuals with NGLY1 Deficiency display hyperkinetic movement disorders, including choreiform, athetoid, dystonic myoclonic, dyskinetic, and dysmetric movements. Developing a consistent and concise consensus on the classification and evaluation of tremors is essential to forward the research and treatment of tremors. It has also been reported that some individuals with NGLY1 Deficiency demonstrate tremor, but such tremor has never been formally investigated. The primary objective of this study is to determine if an individual with NGLY1 Deficiency demonstrates an identifiable tremor during a series of arm movements and, if so, describe the frequency and power characteristics of that tremor. Arm movement kinematics were obtained using a 16-camera Vicon system, and time series trajectory waveforms for three planes of a marker placed on the hand were developed. Custom MATLAB scripts were utilized to compute Fast Fourier Transformations of the data within the identified waveform segments. A mean frequency of 2.30 Hz (SD = 1.05) with a mean power of 5.02 |P1(f)| (SD = 4.63) suggests that our participant’s kinematic data did display a persistent tremor in both hands across all tasks and movement planes. Analyses of the reaching hand and the non-reaching hand suggest the participant displayed an action tremor in both postural and intention (kinetic) tremors. Future directions should include assessing additional individuals with NGLY1 Deficiency to determine if the tremor is a distinguishable disorder behavior. Additionally, evaluating other anatomical sites, such as the elbow, head, and lower limbs, would provide further insights into the characteristics of this tremor.

关键词： Tremor NGLY Fast Fourier Transformation Reaching Hyperkinetic Movement

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