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Associations between physical activity levels and ATPase inhibitory factor 1 concentrations in older adults

Journal of Sport and Health Science 2024年第3期13卷 409-418页

作者： Jérémy Raffin Yves Rolland Annelise Genoux Guillaume Combes Mikael Croyal Bertrand Perret Sophie Guyonnet Bruno Vellas Laurent O.Martinez Philipe de Souto Barreto For the MAPT/dSA Group institut du Vieillissement Gérontopôle de ToulouseCentre Hospitalo-Universitaire de ToulouseToulouse 31000France Centre d'Epidémiologie et de recherche en Santédes Populations UnitéMixte de Recherche 1295Institut National de la Santéet de la Recherche MédicaleUniversitéToulouse-III-Paul-SabatierToulouse 31000France LimitAging Team Institut des Maladies Métaboliques et CardiovasculairesUnitéMixte de Recherche 1297Institut National de la Santéet de la Recherche MédicaleUniversitéToulouse III-Paul SabatierToulouse 31432France Service de Biochimie Pôle de biologieHôpital de PurpanCentre Hospitalo-Universitaire de ToulouseToulouse 31300France L'institut du Thorax Institut National de la Santéet de la Recherche MédicaleCentre National de la Recherche ScientifiqueCentre Hospitalo-Universitaire de NantesNantes UniversitéNantes 44000France BioCore US16Structure Fédérative de Recherche BonamyInstitut National de la Santéet de la Recherche MédicaleCentre National de la Recherche ScientifiqueCentre Hospitalo-Universitaire de NantesNantes UniversitéNantes 44000France Plate-forme de spectrométrie de masse Centre de Recherche en Nutrition HumaineOuestNantes 44000France 不详

Background:Adenosine triphosphatase inhibitory factor 1(IF1)is a key protein involved in energy ***1 has been linked to various agerelated diseases,although its relationship with physical activity(PA)remains ***,the apolipoprotein A-I(apoA-I),a PA-modulated lipoprotein,could play a role in this relationship because it shares a binding site with IF1 on the cell-surface ATP *** examined here the associations between chronic PA and plasma IF1 concentrations among older adults,and we investigated whether apoA-I mediated these ***:In the present work,1096 healthy adults(63.8%females)aged 70 years and over who were involved in the Multidomain Alzheimer Prevention Trial study were ***1 plasma concentrations(square root of ng/mL)were measured at the 1-year visit of the Multidomain Alzheimer Prevention Trial,while PA levels(square root of metabolic equivalent task min/week)were assessed using questionnaires administered each year from baseline to the 3-year *** linear regressions were performed to investigate the associations between the first-year mean PA levels and IF1 *** analyses were conducted to examine whether apoA-I mediated these *** linear regressions were carried out to investigate whether the 1-year visit IF1 concentrations predicted subsequent changes in ***:Multiple linear regressions indicated that first-year mean PA levels were positively associated with IF1 concentrations(B=0.021;SE=0.010;p=0.043).Mediation analyses revealed that about 37.7%of this relationship was mediated by apoA-I(B_(ab)=0.008;SE=0.004;p=0.023).Longitudinal investigations demonstrated that higher concentrations of IF1 at the 1-year visit predicted a faster decline in PA levels over the subsequent 2 years(time×IF1:B=0.148;SE=0.066;p=0.025).Conclusion:This study demonstrates that regular PA is associated with plasma IF1 concentrations,and it suggests that apoA-I partly med

关键词： Aging Apolipoprotein Bioenergetics Exerkine Mitochondria

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Multivariate Approach to Characterizing Soil Quality of Gabonese’s Ferralitic Soils

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Open Journal of Soil Science 2024年第4期14卷 237-268页

作者： Neil-Yohan Musadji Rolf Gaël Mabicka Obame Michel Mbina Mounguengui Jean Aubin Ondo Lydie-Stella Koutika Eric Ravire Claude Geffroy laboratoire de Chimie Des Milieux et Des Mat&#233riaux Inorganiques Laboratoire D&#8217Analyse Des Sols et Environnement D&#233partement Des Sciences Fondamentales De L&#8217Ing&#233nieur Institut National D&#8217Agronomie et De Biotechnologies Universit&#233 Des Sciences et Techniques De Masuku Franceville Gabon institut de Chimie des Milieux et maté riaux De Poitiers (IC2MP) Universit&#233 De Poitiers Poitiers France laboratoire de Chimie Des Milieux et Des Mat&#233riaux Inorganiques Laboratoire D&#8217Analyse Des Sols et Environnement D&#233partement De Phytotechnologie Institut National D&#8217Agronomie et De Biotechnologies Universit&#233 Des Sciences et Techniques De Masuku Franceville Gabon dé partement De G&#233ologie Facult&#233 Des Sciences Universit&#233 Des Sciences et Techniques De Masuku Franceville Gabon laboratoire Pluridisciplinaire des Sciences Ecole Normale Sup&#233rieure Libreville Gabon Centre de recherche Sur La Productivité et La Durabilit&#233 Des Plantations Industrielles Pointe Noire Republic of Congo Sucaf Gabon Somdiaa Franceville Gabon

Assessing soil quality is essential for crop management and soil temporal changes. The present study aims to evaluate soil quality in the Ferralitic soils context countrywide. This assessment was done using multivariate soil quality indice (SQI) models, such as additive quality index (AQI), weighted quality indexes (WQIadd and WQIcom) and Nemoro quality index (NQI), applied to two approaches of indicator selection: total data set (TdS) and minimum data set (MdS). Physical and chemical soil indicators were extracted from the ORSTOM’s reports resulting from a sampling campaign in different provinces of Gabon. The TdS approach shows soil quality status according to eleven soil indicators extracted from the analysis of 1,059 samples from arable soil layer (0 - 30 cm depth). The results indicated that 87% of all provinces presented a very low soil quality (Q5) whatever the model. Among soil indicators, exchangeable K+ and Mg2+, bulk density and C/N ratio were retained in MdS, using principal component analysis (PCA). In the MdS approach, 50 to 63% of provinces had low soil quality grades with AQI, WQIadd and NQI, whereas the total was observed with WQIcom. Only 25% of provinces had medium soil quality grades with AQI and NQI models, while 12.5% (NQI) and 25% (AQI) presented high quality grades. Robust statistical analyses confirmed the accuracy and validation (0.80 r P ≤ 0.016) of AQI, WQIadd and NQI into the TdS and MdS approaches. The same sensitivity index value (1.53) was obtained with AQI and WQIadd. However, WQIadd was chosen as the best SQI model, according to its high linear regression value (R2 = 0.82) between TdS and MdS. This study has important implications in decision-making on monitoring, evaluation and sustainable management of Gabonese soils in a pedoclimatic context unfavorable to plant growth.

关键词： Gabon Ferralitic Soil Soil Indicators Standard Score Function Soil Quality Indices Sustainable Soil Soil Management

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Virtual brain twins: from basic neuroscience to clinical use

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national Science Review 2024年第5期11卷 72-86页

作者： Huifang E.Wang Paul Triebkorn Martin Breyton Borana dollomaja Jean-didier Lemarechal Spase Petkoski Pierpaolo Sorrentino damien depannemaecker Meysam Hashemi Viktor K.Jirsa Aix Marseille Université Institut National de la Santéet de la Recherche Médicale Institut de Neurosciences des Systèmes(INS) UMR1106 Service de Pharmacologie Clinique et Pharmacosurveillance AP–HM

Virtual brain twins are personalized, generative and adaptive brain models based on data from an individual's brain for scientific and clinical use. After a description of the key elements of virtual brain twins,we present the standard model for personalized whole-brain network models. The personalization is accomplished using a subject's brain imaging data by three means:(1) assemble cortical and subcortical areas in the subject-specific brain space;(2) directly map connectivity into the brain models, which can be generalized to other parameters; and(3) estimate relevant parameters through model inversion, typically using probabilistic machine learning. We present the use of personalized whole-brain network models in healthy ageing and five clinical diseases: epilepsy, Alzheimer's disease, multiple sclerosis, Parkinson's disease and psychiatric disorders. Specifically, we introduce spatial masks for relevant parameters and demonstrate their use based on the physiological and pathophysiological hypotheses. Finally, we pinpoint the key challenges and future directions.

关键词： virtual brain twin personalized modeling inference neuroscience brain disorder

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physico-Chemical Characterization of Some Honeys from the Savannah-Gallery Forest Complex and Primary Forest in Gabon

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Open Journal of Applied Sciences 2024年第7期14卷 1904-1917页

作者： Charline Obone Madi Guirema Abaker Silas davy Mbadinga Boubala Estelle dumont Gino Boussiengui-Boussiengui Alexis Nicaise Lepengue dpartement Sciences Fondamental de lIngnieur Institut National Suprieur dAgronomie et de Biotechnologies Universit des Sciences et Techniques de Masuku Franceville Gabon dpartement de Biochimie Facult des Sciences Universit des Sciences et Techniques de Masuku Franceville Gabon laboratoire de recherche Multidisciplinaire en Environnement (LARME) USTM Franceville Gabon dpartement de Phytotechnologie Institut National Suprieur dAgronomie et de Biotechnologies Universit des Sciences et Techniques de Masuku Franceville Gabon

Honey harvesting throughout beekeeping is a technology recently introduced in Gabon comparing to the other African countries well known in international honey trade. The purpose of this study is to contribute to the knowledge of the quality of multi-flower honeys from the savannah-gallery forest complex and primary forest not well documented in Gabon. Physical and chemical parameters of different honeys were analyzed using the official methods of analysis of the Association of Official Analytical Chemists. The results of physico-chemical analysis show variations in pH (3.4 to 3.9), free acidity (37.12 to 76.65 meq∙kg−1), water content (17.49% to 21.21%), electrical conductivity (0.64 to 1.24 mS∙cm−1), density (1.02 to 1.03) and total sugar content (77% to 82%). These variations were significantly different (p etween certain honeys, but independent of the type of ecosystem considered. The pH values confirmed the botanical origin of the five honeys. The physico-chemical parameters of the honeys show significant correlations (p d with conductivity (r = −0.628), pH (r = −0.631), density (r = −0.552) and total sugar content (r = −0.890). Conductivity is positively correlated with free acidity (r = 0.688) and total sugar content (r = 0.776), and negatively correlated with water content (r = −0.628). All honeys were in line with Codex Alimentarius standards, except for 3 types of honey (M1, M2 and M4) for free acidity and electrical conductivity, showing possible fermentation of these honeys.

关键词： physico-Chemical Parameters Honey Gabon Codex Alimentarius

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Study of the Optimal Conditions for Anaerobic digestion of Cow dung in Households in Cote d’Ivoire

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Open Journal of Applied Sciences 2024年第9期14卷 2679-2696页

作者： Sahi Louh Theophile Roch Ori Kamenan Blaise Koua Prosper Gbaha laboratoire de Technologie Unit de Formation et Recherche Sciences des Structures de la Matire et de Technologie (UFR SSMT) Universit Flix Houphout Boigny Abidjan Cte dIvoire laboratoire des Sciences de la matire de lEnvironnement et de lEnergie Solaire Unit de Formation et Recherche Sciences des Structures de la Matire et de Technologie (UFR SSMT) Universit Flix Houphout Boigny Abidjan Cte dIvoire laboratoire des Procds Industriels de Synthse de lEnvironnement et des Energies Nouvelles Institut National Polytechnique Flix Houphout Boigny Yamoussoukro Cte dIvoire

This paper investigates the optimal conditions for methanisation applied to cow dung. Four experimental 25 liters digesters were used in this work. The best biogas yield is obtained when the digester is installed in a metal box and exposed to sunlight. The temperature in this digester varied between 25˚C and 37˚C. The dry matter content of the collected cow dung was 15.5%. The digester was fed with 9 kg of cow dung mixed with 8.5 litres of water, one litre of cassava effluent and 200 ml of human urine. After a retention period of 22 days, the biogas obtained was 67% methane and 21% carbon dioxide. The use of human urine and cassava effluent improved the quality of the biogas.

关键词： Methanisation Cassava Effluent Human Urine Cow dung Biogas

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Topology reduction through machine learning to accelerate dynamic simulation of district heating

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Energy and AI 2024年第3期17卷 247-260页

作者： dubon Rodrigue Mohamed Tahar Mabrouk Bastien Pasdeloup Patrick Meyer Bruno Lacarrière IMT Atlantique GEPEAUMR CNRS 61444 rue Alfred KastlerNantesF-44307France IMT Atlantique Lab-STICCUMR CNRS 6285655 Av.du TechnopoleBrestF-29238France

district heating networks (dHNs) provide an efficient heat distribution solution in urban areas, accomplished through interconnected and insulated pipes linking local heat sources to local consumers. This efficiency is further enhanced by the capacity of these networks to integrate renewable heat sources and thermal storage systems. However, integration of these systems adds complexity to the physical dynamics of the network, necessitating complex dynamic simulation models. These dynamic physical simulations are computationally expensive, limiting their adoption, particularly in large-scale networks. To address this challenge, we propose a methodology utilizing Artificial Neural Networks (ANNs) to reduce the computational time associated with the dHNs dynamic simulations. Our approach consists in replacing predefined clusters of substations within the dHNs with trained surrogate ANNs models, effectively transforming these clusters into single nodes. This creates a hybrid simulation framework combining the predictions of the ANNs models with the accurate physical simulations of remaining substation nodes and pipes. We evaluate different architectures of Artificial Neural Network on diverse clusters from four synthetic dHNs with realistic heating demands. Results demonstrate that ANNs effectively learn cluster dynamics irrespective of topology or heating demand levels. Through our experiments, we achieved a 27% reduction in simulation time by replacing 39% of consumer nodes while maintaining acceptable accuracy in preserving the generated heat powers by sources.

关键词： district heating network Topology reduction Artificial neural networks Hybrid modeling Graph based formulation

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Case Study for Undetermined Mosquito Species by Polymerase Chain Reaction in Western Burkina Faso

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American Journal of Molecular Biology 2024年第2期14卷 43-53页

作者： Koudraogo Bienvenue Yaméogo Sassan Simplice Kambou domonbabélé François de Sales Hien Logotio Rachel Angela Traore Franck Adama Yao Rakiswendé Serge Yerbanga Centre national de la recherche Scientifique et Technologique CNRST Institut de Recherche en Sciences de la Sante (IRSS) Laboratoire de recherche sur les maladies infectieuses et parasitaires Bobo-Dioulasso Burkina Faso institut des Sciences et Techniques (INSTech Bobo) Avenue de Sya Bobo-Dioulasso Burkina Faso

Introduction: Malaria eradication campaigns all over the world are largely based on parasite and vector control. Vector identification, whether morphological or molecular, is an essential component of vector control. This study analyzed the possible causes of indeterminate polymerase chain reaction (PCR) results for mosquito species in Western part of Burkina Faso. Methodology: From July 2021 to November 2021, mosquitoes were collected during the period of high malaria transmission in the village of Séguéré, Houet province, Burkina Faso, and morphologically identified. After dNA extraction, samples were amplified by sine 200× PCR to identify species of the Anopheles gambiae complex. Indeterminate samples were then selected for further analysis. The parameters studied were: dNA dilution, the effect of protocol adjusting, and the type of protocol used. Results: A total of 130 “indeterminate” dNAs diluted 1:10 were analyzed. After dilution, the mean amount was 14.73 ± 3.59 ng/μL and absorbance 1.71 ± 0.1. PCR chain reaction yielded 94.62% (123/130) anopheline species in SINE PCR, 5.38% (7/130) “negative”. A significant difference between SINE PCR before dilution and after dilution was observed (P dentification tests carried out using other protocols gave no positive results. From these results, we note that the adaptation of the protocol significantly reduced the polymerase amplification results of the species. Conclusion: It is therefore necessary to respect the amplification protocols. However, the persistence of “indeterminate” results suggests that further studies should be carried out to shed more light on the subject.

关键词： Malaria Vector dNA PCR

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Life Cycle Assessment of Cashew Nutshell Briquettes Produced in Côte d’Ivoire

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Open Journal of Applied Sciences 2024年第9期14卷 2411-2430页

作者： Bi Tra désiré Zinla Ekoun Paul Magloire Koffi Kamenan Blaise Koua Kpeusseu Angeline Kouambla Epse Yeo Prosper Gbaha laboratoire des Procds Industriels de Synthse de lEnvironnement et des Energies Nouvelles Institut National Polytechnique Felix Houphout-Boigny Yamoussoukro Cte dIvoire laboratoire des Sciences de la matire de lEnvironnement et de lEnergie Solaire Unit de Formation et de Recherche des Sciences des Structures de la Matire et de Technologie Universit Felix Houphout-Boigny Abidjan Cte dIvoire

Now one of the main cash crops in Côte d’Ivoire, the cashew tree feeds an entire industrial sector based on the processing of its fruit. This processing generates a large volume of waste, consisting of cashew nutshells, the management of which poses environmental problems. With the aim of replacing charcoal and firewood with more environmentally friendly fuels, several studies are currently being carried out into the optimal use of cashew shells in fuel briquettes. To assess the environmental sustainability of these briquettes, this study calculates the environmental impacts associated with their life cycle, compares them with those of charcoal and firewood, and identifies the processes that contribute most to environmental pollution, with a view to improving them. Analysis of the results showed that cashew nutshell briquettes emit a range of pollutants over their life cycle that damage the environment and are responsible for the 7 impact categories considered: acidification, eutrophication, freshwater aquatic ecotoxicity, global warming, human toxicity, photochemical oxidation and terrestrial ecotoxicity potential. However, they are more environmentally friendly than charcoal and firewood for 5 impact categories: freshwater aquatic ecotoxicity, global warming, human toxicity, photochemical oxidation and terrestrial ecotoxicity potential. The 3 elementary processes, i.e. transport of biomass raw materials, production, and combustion of briquettes, emit pollutants that contribute most to the creation of environmental impact categories. The most relevant pollutants are nitrogen oxides (NOx), sulphur oxides (SOx) and particulate matter (PM).

关键词： LCA Briquettes Cashew Nutshell Biomass Environmental Impact

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Habits on Social Networks at Workplace: A Survey of Motivations and Behaviour

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Open Journal of Applied Sciences 2024年第8期14卷 2154-2168页

作者： Thomas Kakou Kouassi douatia Koné Aliou Bamba Aladji Kamagaté Olivier Asseu Yvon Kermarrec laboratoire des Sciences et Technologies de lInformation et de la Communication (LASTIC) Ecole Superieure Africaine des TIC (ESATIC) Abidjan Cte dIvoire institut national Polytechnique Houphout Boigny (INPHB) Yamoussoukro Cte dIvoire departement de mathematiques Physique et Chimie Universit Plforo Gon Coulibaly (UPGC) Korhogo Cte dIvoire Agence nationale de la recherche (ANR) Paris France laboratoire des Sciences et Techniques de linformation de la Communication et de la Connaissance (Lab-STICC) IMT Atlantique Brest France

This article explores the use of social networks by workers in Abidjan, Côte d’Ivoire, with particular emphasis on a descriptive or quantitative analysis aimed at understanding motivations and methods of use. More than five hundred and fifty questionnaires were distributed, highlighting workers’ preferred digital channels and platforms. The results indicate that the majority use social media through their mobile phones, with WhatsApp being the most popular app, followed by Facebook and LinkedIn. The study reveals that workers use social media for entertainment purposes and to develop professional and social relationships, with 55% unable to live without social media at work for recreational activities. In addition, 35% spend on average 1 to 2 hours on social networks, mainly between 12 p.m. and 2 p.m. It also appears that 46% believe that social networks moderately improve their productivity. These findings can guide marketing strategies, training, technology development and government policies related to the use of social media in the workplace.

关键词： Social Network Social Media Applications Poisson’s Law Statistics digital Supports Workers Productivity

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Technical-Economic Performance, Carcass and Meat Quality of COBB500 Broilers Fed Rations Incorporating Mango By-Product Feeds in Ivory Coast (West Africa)

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Open Journal of Animal Sciences 2024年第1期14卷 1-13页

作者： Timbilfou Kiendrébéogo Alidjata Traoré etienne Sodre drissa Barry Isidor Ouedraogo Marcelle Grace Koidja Vianney Tarpaga Centre national de la recherche Scientifique et Technologique Institut de l’Environnement et de Recherches Agricoles Laboratoire de Recherches en Production et Santé Animales (LAREPSA) Bobo-Dioulasso Burkina Faso Centre national de la recherche Scientifique et Technologique Institut de l’Environnement et de Recherches Agricoles Laboratoire Central d’Horticulture (LCH) Bobo-Dioulasso Burkina Faso laboratoire d’etude des Ressources Naturelles et des Sciences de l’Environnement (LERNSE) Ecole Doctorale Sciences Naturelles et Agronomie (ED-SNA) Université Nazi BONI Bobo-Dioulasso Burkina Faso Université Catholique de l’Afrique de l’Ouest (UCAO) Section du Burkina Faso Bobo-Dioulasso Burkina Faso direction Régionale de l’Agriculture des Ressources Animales et Halieutiques de l’Est Fada Burkina Faso

The study evaluated the growth performance and carcass quality of COBB500 broilers fed two experimental rations incorporating feed and mango fine Ed10 for a batch of 83 birds, Ed20 (batch of 83 birds) in comparison with a commercial control ration CCd (84 birds). For this purpose, 250 day-old chicks of this breed were purchased in Korhogo and transported to Tengréla in Ivory Coast for rearing. The results show that substituting mango provender ans and mango seed flour for maize resulted in rations with costs per kgMS of 215.35FCFA, 2016.93FCFA and 320FCFA for the Ed10, Ed20 and CCd rations respectively. The production costs per kg of chicken (FCPkgLW) of the CCd ration were significantly higher than those of the Ed10 and Ed20 (p 0.05). AdGs were significantly different and decreasing from CCd, Ed20 to Ed10 (p 0.05). Average weights at 42nd day for Ed20 and CCd were homogeneous (p > 0.05) and significantly higher than for Ed10 (p 0.05). By day 49th the average weight of Ed20 had reached and exceeded that of CCd by day 42nd. PSLW, HCW and CCW were significantly different and decreasing from CCW, Ed20 to Ed10 (p 0.05). Average hot (HCY) and cooled (CCY) carcass yields of Ed20 and CCd rations were comparable (p > 0.05) and significantly higher than those of Ed10 ration (p = 0.009) and 0.003). Average drumstick and neck weights were significantly higher and lower for CCd, Ed20 and Ed10 (p 0.05). For all other parts of the cut, the average weights of the CCd ration were significantly higher (p 0.05) than those of the Ed20 and Ed10 rations, which were homogeneous (p 0.05). The incorporation of mango provender and mango seed flour in broiler rations offers the prospect of reduced production costs, less competition between man and animals over cereals, and lean meat production tha

关键词： Broiler COOB 500 Chickens Mango Feed Carcass Characteristics Tengrela Ivory Coast

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