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Efficacy and safety profile of LCR35 complete freeze-dried culture in irritable bowel syndrome:A randomized,double-blind study

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World Journal of Gastroenterology 2012年第17期18卷 2067-2075页

作者： michel Dapoigny Thierry Piche Philippe Ducrotte Bernard Lunaud jean-michel cardot Annick Bernalier-Donadille Médecine Digestive Centre Hospitalier Universitaire(CHU) Estaing CHU Clermont-FerrandClermont UniversitéInserm UMR 76663001 F-Clermont-FerrandFrance Department of Gastroenterology and Inserm 576 Hpital de l'Archet 206202 NiceCedex 3France Department of Hepatogastroenterology and Nutrition Hpital Charles NicolleInserm UMR 107376031 RouenCedexFrance Department of Gastroenterology Centre République63000 Clermont-FerrandFrance Biopharmacy Department Faculty of Pharmacy63000 Clermont-FerrandFrance UR454 Microbiology Division Institut National de la Recherche AgronomiqueResearch Centre of Clermont-Ferrand-Theix63122 Saint Genès-ChampanelleFrance

AIM:To assess the effects and safety of Lactobacillus casei rhamnosus LCR35 complete freeze-dried culture(LCR35) in patients suffering from irritable bowel syndrome(IBS).METHODS:A randomized,double-blind pilot study was performed in 50 patients complaining of IBS symptoms complying with RomeⅢ*** were allocated to receive either LCR35(n = 25) at a minimum daily dose of 6 × 108 colony forming units or placebo(n = 25) for 4 *** inclusion,after treatment and 2 wk later,patients completed the IBS severity *** from baseline in the IBS severity score at the end of treatment was the primary efficacy *** were compared between groups in the whole population and in IBS subtypes(IBS with predominance of constipation,IBS with predominance of diarrhoea,mixed IBS,unsubtyped IBS).The presence of lactobacillus casei rhamnosus in stools was investigated at inclusion and at the end of *** gastrointestinal quality of life questionnaire and the hospital anxiety and depression(HAD) scale were also ***:Both groups were balanced for baseline *** 85% of patients,stool analyses showed that lactobacillus casei rhamnosus able to survive in the digestive *** the whole population,improvements in the IBS severity score did not differ significantly between treatments with a 25% decrease after 4-wk treatment,and a 15% decrease from baseline 2 wk later in both *** IBS subgroups,statistical analysis could not be performed due to small sample size,but a clinical response in favour of LCR35 was observed in IBS patients with predominance of diarrhoea:no change in the symptom severity score was seen with the placebo after 4 wk treatment,whereas a clinically relevant decrease occurred with LCR35(-37% vs-3%).Furthermore,in spite of an increase in symptom intensity,the IBS severity score was maintained below the baseline value 2 wk later with LCR35(-19% from baseline),whilst a slight 5% increase from baseline was observ

关键词： Irritable bowel syndrome Lactobacillus casei rhamnosus Probiotics Symptom severity score

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对电动汽车购买意愿的探索：考察外国人抵达中国后购买电动汽车意愿的影响因素

对电动汽车购买意愿的探索：考察外国人抵达中国后购买电动汽车意...

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作者： HUMBERT jean michel BERNARD 华东师范大学

学位级别：硕士

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International Healthcare Terminologies for Morbidity New Era: SNOMED and ICD11

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Journal of Biosciences and Medicines 2024年第8期12卷 357-368页

作者： jean Marie Rodrigues Constant Kone michel Babri Béatrice Trombert Universit jean Monnet Saint Etienne France Felix Houphout Boigny National Polytechnic Institute Yamoussoukro Cote dIvoire

The Information Technology (IT) developments have changed the use of Healthcare terminologies from paper-based mortality statistics with the WHO international classifications of diseases (ICD) to the IT-based morbidity implementations for instance for Casemix-based healthcare funding and managing systems. This higher level of granularity is worldwide spread under the umbrella of several national modifications named ICD10 XM. These developments have met the increased use of the International Clinical Reference Terminology named SNOMED. When the updating of WHO ICD10 to WHO ICD11 was decided a merging was envisaged and a WHO SNOMED CT common work proposed a methodology to create a common formal ontology between the 11th version of the WHO International Classification of Diseases and Health Problems (ICD) and the most used in the world clinical terminology named Systematized Nomenclature of Human and Veterinary Medicine - Clinical Terms (SCT). The present work follows this unachieved work and aims to develop a SNOMED-based formal ontology for ICD11 chapter 1 using the textual definitions of ICD11 codes which is a completely new character of ICD and the ontology tools provided by SCT in the publicly available SNOMED Browser. There are two key results: the lexical alignment is complete and the ontology alignment is incomplete with the validated SNOMED concept model can be completed with not yet validated attributes and values of the SNOMED Compositional Grammar. The work opens a new era for the seamless use of both international terminologies for morbidity for instance for DRG/Casemix and clinical management use. The main limitation is that it is restricted to 1 out of 26 chapters of ICD11.

关键词： Lexical Alignment Semantic Interoperability Ontology SNOMED Concept Model ICD-11 SNOMED CT

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Using Optical Tweezers to Study the Friction of the Red Blood Cells

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Advances in Bioscience and Biotechnology 2024年第2期15卷 100-111页

作者： Edoukoua jean michel Konin Pavel Yale Abadê Ange-Boris N’guessan Kouassi Benoit Kouakou Abaka michel Kouacou Eugene Megnassan Département des Sciences et Techniques Université Alassane Ouattara Bouaké C&#244te d’Ivoire Laboratoire d’Instrumentation Image et Spectroscopie (L2IS) Institut National Polytechnique Félix Houphou&#235t-Boigny (INPHB) Yamoussoukro C&#244te d’Ivoire Classes préparatoires aux grandes Ecoles Université de San Pedro San Pedro C&#244te d’Ivoire Laboratoire de Physique Fondamentale et Appliquée Université Nangui Abrogoua (UNA) Abidjan C&#244te d’Ivoire

In the last two decades the study of red blood cell elasticity using optical tweezers has known a rise appearing in the scientific research with regard to the various works carried out. Despite the various work done, no study has been done so far to study the influence of friction on the red blood cell indentation response using optical tweezers. In this study, we have developed a new approach to determine the coefficient of friction as well as the frictional forces of the red blood cell. This approach therefore allowed us to simultaneously carry out the indentation and traction test, which allowed us to extract the interfacial properties of the microbead red blood cell couple, among other things, the friction coefficient. This property would be extremely important to investigate the survival and mechanical features of cells, which will be of great physiological and pathological significance. But taking into account the hypothesis of friction as defined by the isotropic Coulomb law. The experiment performed for this purpose is the Brinell Hardness Test (DB).

关键词： Friction Indentation Optical Tweezers Tribology Red Blood Cells

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Fatty Acid Composition of Hazelnut Kernel Oil from Coula edulis Collected in the Republic of Congo

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Food and Nutrition Sciences 2024年第4期15卷 290-297页

作者： Josiane Enzonga Yoca jean Paul Latran Ossoko Yves Okandza michel Didace Mvoula Tsieri Laboratoire de Contrô le et Qualit&#233 des Aliments de l&#8217Ecole Nationale Sup&#233rieure d&#8217Agronomie et de Foresterie Universit&#233 Marien NGOUABI Brazzaville Congo Université Denis Sassou NGUESSO Brazzaville Congo

Coula edulis is non-timber forest product (NTFP) used in Africa for its hazelnuts, which contain edible seeds with a demonstrated nutritional potential. However, there have been very few scientific studies of this species in the Republic of Congo. Thus, the aim of the current study was therefore to determine the fatty acid composition of the oil extracted from Coula edulis hazelnut seeds collected at random in the Republic of Congo. The oil was extracted using the Soxhlet method and its fatty acid composition was determined by gas chromatography. The extracted oil from Coula edulis hazelnut kernels is rich in monounsaturated fatty acids (95.28%), particularly oleic acid (94.5%), which classifies it as an oleic oil and gives it interesting nutritional and therapeutic properties. On the other hand, saturated fatty acids (4.15%) and polyunsaturated fatty acids (0.35%) are not well represented. Its low poly-unsaturated fatty acid content makes it more stable when stored at room temperature.

关键词： Coula edulis Fatty Acids Oil Seeds Hazelnuts Republic of Congo NTFP

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Human Eosinophil Cell Manipulation by Optical Tweezers

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Open Journal of Biophysics 2024年第3期14卷 330-338页

作者： Pavel Yale jean michel Edoukoua Konin Abadê Ange-Boris N’guessan michel Abaka Kouacou Jérémie T. Zoueu Laboratoire dInstrumentation Image et Spectroscopie (L2IS) Institut National Polytechnique Houphout-Boigny (INPHB) Yamoussoukro Cte dIvoire Laboratoire de Chimie et de Physique Appliques Sciences et Techniques Universit Alassane Ouattara Bouak Cte dIvoire

In this work, lateral deformation of human eosinophil cell during the lateral indentation by an optically trapped microbead of diameter 4.5 µm is studied. The images were captured using a CCD camera and the Boltzmann statistics method was used for force calibration. Using the Hertz model, we calculated and compared the elastic moduli resulting from the lateral force, showing that the differences are important and the force should be considered. Besides the lateral component, the setup also allows us to examine the lateral cell-bead interaction. The mean values of the properties obtained, in particular the elastic stiffness and the shear stiffness, were Eh = (37.76 ± 2.85) µN/m and Gh = (12.57 ± 0.32) µN/m. These results show that the lateral indentation can therefore be used as a routine method for cell study, because it enabled us to manipulate the cell without contact with the laser.

关键词： Optical Tweezers Human Eosinophil Cell Indentation Shear Stiffness

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Hydrogeochemical Characterization of Groundwater from Fissured Aquifers in the Angovia Mine Operating Permit Area (Central-West Côte d’Ivoire)

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Journal of Water Resource and Protection 2024年第1期16卷 83-101页

作者： Kouadio michel Yao Tanina Drissa Soro Tanoh jean Jacques Koua Akaie jean Fabrice Tchakray Yao Emile Desmond Konan Brou Dibi Laboratory of Sciences and Technologies of Environment University Jean Lorougnon Guede Daloa C&ocircte d’Ivoire

The main objective of this study is to determine the hydrogeochemical specificities of the groundwater of the Angovia mine operating permit, located in the Yaouré mountains in the center-west of Côte d’Ivoire. To do so, descriptive and multivariate statistical analysis methods with the SOM (Self Organizing Maps) algorithm were applied to the physicochemical parameters of 17 boreholes using the calcite (ISC) and dolomite (ISD) saturation indices. The results obtained have shown that the groundwater in the Angovia mine operating permit area has an average temperature of 27.52°C (long rainy season) and 27.87°C (long dry season) and has an average pH of 7.09 ± 0.35 during the main rainy season and 7.32 ± 0.35 during the main dry season. They are mineralized with an average electrical conductivity of 505.98 ± 302.85 μS/cm during the long rainy season and with 450.33 ± 233.74 μS/cm as average during the long dry season. The main phenomena at the origin of groundwater mineralization are water residence time, oxidation-reduction and surface inflow. The study of the relative age of the water shows that the groundwater in the Angovia mine operating permit area is mainly undersaturated with respect to calcite and dolomite. They are therefore very old in the aquifer with a slow circulation speed during the long rainy season and the long dry season.

关键词： Hydrogeochemistry Mineralization Fissure Aquifers Operating Permits The Angovia Mine

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Vitamin D, Parathyroid Hormone, Insulin Sensitivity and Islet β-Cell Secretory Function in Diabetic Patients from South Kivu in the Democratic Republic of Congo: Cross-Sectional Study

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Journal of Diabetes Mellitus 2024年第2期14卷 81-94页

作者： Dieudonne Masemo Bihehe Ahadi Birindwa Bwihangane jean-Paulin Mukonkole Mbo michel Hermans Philippe Bianga Katchunga Faculté de Médecine H&#244pital Général de Référence de Panzi Université Evangélique en Afrique Bukavu DR Congo Département de Biologie Faculté des Sciences Université Officielle de Bukavu Bukavu DR Congo Département de Médecine Interne Université de Kisangani Kisangani DR Congo Service d’endocrinologie et de Diabétologie Cliniques Universitaires Saint-Luc Université Catholique de Louvain Bruxelles Belgique Département de Médecine Interne Cliniques Universitaires de Bukavu Université Officielle de Bukavu Bukavu DR Congo

Background: The role of vitamin D and parathyroid hormone in the metabolic profile of type 2 diabetes mellitus in sub-Saharan Africa has not been adequately assessed. The aim of this study was to determine the prevalence of low vitamin D level and secondary hyperparathyroidism and their association with insulin sensitivity and β-cell secretory function among Congolese type 2 diabetics. Methodology: Fasting glycaemia, fasting insulin, 25OH D3 and human parathyroid hormone (hPTH) were measured in one hundred and eighty-four type 2 diabetic patients followed as outpatients in South Kivu. Levels of 25OH D3 65 pg/ml defined low vitamin D and elevated parathyroid hormone levels, respectively. The HOMA model was used to measure insulin sensitivity and β-cell secretory function. Results: Medians (IQR) were 25.3 (20.4 - 32.4) ng/ml for 25OH D3 and 53.7 (38.4 - 115.7) pg/ml for hPTH. 58.7% of diabetics had insulin resistance, 126 (68.5%) had low vitamin D and 80 (43.5%) had hyperparathyroidism. In multivariate analysis, hPTH (partial r = −0.28;p = 0.0002) and 25OH D3 (partial r = 0.16;p = 0.03) showed an independent association with insulin sensitivity after adjustment for body mass index and waist circumference. Finally, hPTH (partial r = 0.27;p = 0.0002) was the sole determinant of β-cell secretory function. Conclusions: This study confirms the high prevalence of low vitamin D level and secondary hyperparathyroidism and their association with insulin resistance and impaired islet β-cell secretory function among Congolese with type 2 diabetes mellitus. Vitamin D and calcium supplementation should be envisaged for cases of deficiency in this region.

关键词： Vitamin D Parathyroid Hormone Diabetes Mellitus Insulin Resistance South Kivu

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Technological Impact on the Quality of Palm Oil from Burundi: Elaeis guineensis, Variety of Dura and Tenera

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Food and Nutrition Sciences 2024年第8期15卷 759-769页

作者： Severin Sindayikengera jean Felix Karikurubu Josiane Manirakiza Dévote Ndayikengurukiye michel Baseka Prudent Nsabiyumva Jonathan Niyukuri Department of Food Science and Technology Faculty of Agronomy and Bioengineering University of Burundi Bujumbura Burundi Food Science and Technology Research Center-CRSTA University of Burundi Bujumbura Burundi Burundi Bureau of Standards and Quality Control (BBN) Bujumbura Burundi Department of Health and Animal Productions Faculty of Agronomy and Bioengineering University of Burundi Bujumbura Burundi Research Centre for Animal Plant and Environmental Sciences-CRAVE University of Burundi Bujumbura Burundi

The objective of this study is to determine the factors responsible for the acidification of Burundi palm oils. The investigation of the duration of fermentation of palm fruits performed among artisanal producers found that more than 89% of producers from commune of Rumonge ferment for more than 5 days while more than 61% of those from commune of Mutimbuzi ferment for 4 days. The determination of acid value using the method of ISO 660:2009 showed that Dura and Tenera varieties fermented for 4 days had respectively 5.9 ± 2.3 and 5.8 ± 1.8 mg of KOH/g of oil for clustered fruits, 7.03 ± 3.4 and 7.02 ± 3.2 mg of KOH/g for destemmed fruits. After 8 days, the acid values of Dura and Tenera varieties obtained were respectively 10.9 ± 4.7 and 12.5 ± 5.4 mg KOH/g for clustered fruits, 12.5 ± 5.4 and 12.5 ± 4.1 mg KOH/g for destemmed fruits. No significant difference was recorded between varieties. On the other hand, a highly significant difference at p < 0.05 was obtained between fruits fermented in the open air (e.g. around the foot of the oil palm, FFOA), in a shed when the fruits were not covered (SFNC) and in a shed when the fruits were covered by branches or straw (SFC). At 8 days of fermentation, the acid values of FFOA, SFNC and SFC were 9.1 ± 0.7 < 12.6 ± 0.8 < 17.7 ± 1.4 for destemmed fruit and 9.1 ± 0.7 < 13.2 ± 1.3 < 13.2 ± 3.2 for clustered fruit, respectively. In light of these results, the acidity of Rumonge palm oil is probably due to the long fermentation time and the technique of covering the fruits during fermentation. These results will allow producers to extract good quality oil and consequently improve the health of consumers.

关键词： Burundi Dura Tenera Acid Value Oil Palm

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National Soil Organic Carbon Stocks Inventories under Different Mangrove Forest Types in Gabon

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Open Journal of Forestry 2024年第2期14卷 127-140页

作者： Rolf Gaël Mabicka Obame Neil-Yohan Musadji jean Hervé Mve Beh Lydie-Stella Koutika jean Aubin Ondo Farrel Nzigou Boucka michel Mbina Mounguengui Claude Geffroy Dé partement de Phytotechnologie Institut National d&#8217Agronomie et de Biotechnologies Universit&#233 des Sciences et Techniques de Masuku Franceville Gabon Dé partement 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 Agronomiques et Forestiè res Centre National des Recherches Scientifiques et Technologiques Libreville Gabon Research Centre on the Durability and the Productivity of Industrial Plantations (CRDPI) Pointe Noire Republic of Congo Laboratoire Pluridisciplinaire des Sciences &#201cole Normale Sup&#233rieure Libreville Gabon Agence Gabonaise d’ &#201tude et d&#8217Observation Spatiale Immeuble les Arcades Libreville Gabon Dé partement de G&#233ologie Faculte des Sciences 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

Gabonese’s estuary is an important coastal mangrove setting and soil plays a key role in mangrove carbon storage in mangrove forests. However, the spatial variation in soil organic carbon (SOC) storage remain unclear. To address this gap, determining the SOC spatial variation in Gabonese’s estuarine is essential for better understanding the global carbon cycle. The present study compared soil organic carbon between northern and southern sites in different mangrove forest, Rhizophora racemosa and Avicennia germinans. The results showed that the mean SOC stocks at 1 m depth were 256.28 ± 127.29 MgC ha−1. Among the different regions, SOC in northern zone was significantly (p p −1) than upper layers (55.42 ± 25.37 MgC ha−1). The study highlights that low deforestation rate have led to less CO2 (705.3 Mg CO2e ha−1 - 922.62 Mg CO2e ha−1) emissions than most sediment carbon-rich mangroves in the world. These results highlight the influence of soil texture and mangrove forest types on the mangrove SOC stocks. The first national comparison of soil organic carbon stocks between mangroves and upland tropical forests indicated SOC stocks were two times more in mangroves soils (51.21 ± 45.00 MgC ha−1) than primary (20.33 ± 12.7 MgC ha−1), savanna and cropland (21.71 ± 15.10 MgC ha−1). We find that mangroves in this study emit lower dioxide-carbon equivalent emissions. This study highlights the importance of national inventories of soil organic carbon and can be used as a baseline on the role of mangroves in carbon sequestration and climate change mitigation but the variation in SOC stocks indicates the need for further national data.

关键词： Mangroves Forest Soil Organic Carbon Stocks Rizophora Racemose Avicenia germinans Gabon

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