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Design and current progress of the Apollon 10 pW project

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High power Laser Science and Engineering 2015年第1期3卷 32-35页

作者： J.p.Zou C.Le Blanc D.N.papadopoulos G.Chériaux p.georges G.Mennerat F.Druon L.Lecherbourg A.pellegrina p.Ramirez F.Giambruno A.Fréneaux F.Leconte D.Badarau J.M.Boudenne *** T.Valloton J.L.paillard J.L.Veray M.pina p.Monot J.p.Chambaret p.Martin F.Mathieu p.Audebert F.Amiranoff Laboratoire pour l’Utilisation des Lasers Intenses CNRSEcole Polytechnique Laboratoire d’Optique Appliquée ENSTA Paris TechCNRS Laboratoire Charles Fabry UMR 8501Institut d’OptiqueCNRSUniversité Paris Sud CEA IramisSPAM

The objective of the Apollon project is the generation of 10 pW peak power pulses of 15 fs at 1 shot/minute. In this paper the Apollon facility design, the technological challenges and the current progress of the proj... 详细信息

关键词： titanium lasers pW class facilities

Soluble p75 neurotrophic receptor as a reliable biomarker in neurodegenerative diseases: what is the evidence?

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Neural Regeneration Research 2024年第3期19卷 536-541页

作者： georges Jourdi Samuel Fleury Imane Boukhatem Marie Lordkipanidzé Research Center Montreal Heart InstituteMontrealQCCanada Faculty of pharmacy Universitéde MontréalMontrealQCCanada Universitéparis Cité INSERMInnovative Therapies in HaemostasisParisFrance Service d’Hématologie Biologique AP-HPHôpital LariboisièreParisFrance

Neurodegenerative diseases are often misdiagnosed,especially when the diagnosis is based solely on clinical *** p75 neurotrophic receptor(p75^(NTR))has been studied as an index of sensory and motor nerve development and *** cleavable extracellular domain(ECD)is readily detectable in various biological fluids including plasma,serum and *** is evidence for increased p75NTR ECD levels in neurodegenerative diseases such as Alzheimer’s disease,amyotrophic lateral sclerosis,age-related dementia,schizophrenia,and diabetic *** p75^(NTR) ECD could be used as a biomarker for diagnosis and/or prognosis in these disorders,and whether it could potentially lead to the development of targeted therapies,remains an open *** this review,we present and discuss published studies that have evaluated the relevance of this emerging biomarker in the context of various neurodegenerative *** also highlight areas that require further investigation to better understand the role of p75^(NTR) ECD in the clinical diagnosis and management of neurodegenerative disorders.

关键词： Alzheimer’s disease amyotrophic lateral sclerosis biomarker dementia diabetic neuropathy nerve growth factor receptor(NGFR) neurodegeneration p75^(NTR) schizophrenia

Efficacy of Botanicals on parasitoids of Mango Fruit Flies in Burkina Faso

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Advances in Entomology 2024年第1期12卷 24-37页

作者： Rabieta Simde Delphine Ouattara Elias Mano georges Kambou georges Kambou Souleymane Nacro Institute of Environment and Agricultural Research (INERA) Central Horticulture Laboratory of the Regional Center of Excellence in Fruits and Vegetables of Bobo-Dioulasso Bobo-Dioulasso Burkina Faso Institute of Research in Applied Sciences and Technologies (IRSAT) Laboratory of Natural Substances and Technologies of Natural Products and the Environment (LABTECH-PRONE) Ouagadougou Burkina Faso Kamboinsé Environmental Agricultural Research and Training Center Ouagadougou Burkina Faso

The effect of Capsicum annuum and Strophantus hispidus formulations was evaluated on Diachasmimorpha longicaudata. The formulations were obtained from the crude total extracts of C. annuum;S. hispidus and the adjuvant previously developed. The formulations were prepared according to three concentrations of extracts of each plant species (low, medium and high). These concentrations were calculated on the basis of 1.5 mg/mL of each formulation causing 18% and 15% mortality respectively in Ceratitis cosyra within 72 h. The effect of the formulations on D. longicaudata was tested using a Fisher block design with 8 treatments (C. annuum (3.75;7.5;12.5 g/L);S. hispidus (4.5;9;15 g/L);Success bait 2.4 g/L;control) and 5 replicates. For each formulation, 1.5 mL was poured into a vial containing 0.25 g of cotton. Then 20 adults of the parasitoid were added and the whole was covered with muslin and held in place with rubber bands. The parasitoids were examined after 24 and 72 hours, and those that did not react to the touch of a fine brush were considered dead. The results showed a difference between the treatments. After 24 hours of exposure, the parasitoid showed high mortality at the S. hispidus concentrations (15 g/L;4.5 g/L) followed by the Success bait. These concentrations resulted in mortality rates of 22.50% for S. hispidus and 20.50% for Success bait. After 72 h, low parasitoid mortality (35.81%) was obtained with 3.75 g/L C. annuum, but high mortality was observed with S. hispidus (59.95%;64.20%;57.15%) and Success bait (54.80%). The use of C. annuum formulations at 3.75 g/L could be recommended for conserving D. longicaudata in the nature.

关键词： Concentrations Exposure Mortality parasitoid Formulations

Advancing critical care recovery:The pivotal role of machine learning in early detection of intensive care unit-acquired weakness

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World Journal of Clinical Cases 2024年第21期12卷 4455-4459页

作者： georges Khattar Elie Bou Sanayeh Department of Medicine Staten Island University HospitalStaten IslandNY 10305United States

This editorial explores the significant challenge of intensive care unit-acquiredweakness(ICU-AW),a prevalent condition affecting critically ill patients,characterizedby profound muscle weakness and complicating patient *** paradox of modern medical advances,it emphasizes the urgent needfor early identification and intervention to mitigate ICU-AW's ***,the study by Wang et al is showcased for employing a multilayer perceptronneural network model,achieving high accuracy in predicting *** advancement underscores the potential of neural network models inenhancing patient care but also calls for continued research to address limitationsand improve model *** editorial advocates for the developmentand validation of sophisticated predictive tools,aiming for personalized carestrategies to reduce ICU-AW incidence and severity,ultimately improving patientoutcomes in critical care settings.

关键词： Critical illness myopathy Critical illness polyneuropathy Early detection Intensive care unit-acquired weakness Neural network models patient outcomes personalized intervention strategies predictive modeling

Epidemiology and prognosis of Hepatocellular Carcinoma (HCC) in the Internal Medicine Department of the Bouake University Hospital (Côte d’Ivoire)

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Open Journal of Gastroenterology 2024年第9期14卷 289-299页

作者： Nguessan Michel Konan Stéphane Yapa Lauret Kouassi Tiépé Rokia Ouattara Kadidiata Touré Fiacre Abbé georges Stéphane Koffi Bourhaïma Ouattara Department of Internal Medicine Treichville Teaching Hospital Abidjan Cte dIvoire Medical Sciences Training and Research Unit Flix Houphouet Boigny University Abidjan Cte dIvoire Department of Internal Medicine Teaching Hospital of Bouake Bouake Cte dIvoire Medical Sciences Training and Research Unit Alassane Ouattara University Bouake Cte dIvoire

Background and Objective: Hepatocellular carcinoma (HCC) is a public health problem due to its high incidence and high mortality rate. The epidemiology and prognosis of this disease is poorly documented in Bouake. The aim of the study was to describe the epidemiological aspects and identify the predictors of death in patients hospitalized for HCC in the Internal Medicine Department of the Bouake University Hospital in order to improve patient management. Material and Methods: We conducted a cross-sectional study from 1 January 2020 to 31 December 2022 in the Internal Medicine Department of Bouake University Hospital, involving 160 patients. Results: The prevalence of HCC was 3.6%, the mean age was 48.86 ± 14.5 years with extremes of 14 and 90 years and the sex ratio was 2.90. Viral hepatitis B was observed in 81% of patients, with HBs Ag positivity in 71.2%. The performance status of WHO was ≥ 2 in 93.2% of cases. HCC was discovered at advanced stage respectively in 51% for BCLC C and 47.8% for BCLC D stage. The nodules were multiple (89.3%), and superior to 3 cm. The hospital mortality was 20% and BCLC D stage of HCC was significantly associated with death (p = 0.04) in the univariate analysis. The BCLC D stage of HCC was significantly associated with death. Length of stay inferior to 5 days (OR = 0.77;CI 95: 0.61 - 0.96) and hepatic encephalopathy (OR = 1.39;CI 95: 1.10 - 1.77), were the two independent predictors of mortality. Conclusion: HCC mainly affected young men infected with chronic viral hepatitis B. Short length of stay and hepatic encephalopathy were independent predictors of mortality.

关键词： Liver Cancer Viral Hepatitis Death West Africa

Mapping Climate Services for Disaster Risk Management: A Systematic Review and Research Gaps from a policy process perspective

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American Journal of Climate Change 2024年第2期13卷 314-360页

作者： Aboubacar Issaka Ousman Gaoh Wolfram Laube georges Abbevi Abbey Moussa Waongo West African Science Service Centre on Climate Change and Adapted Land Use (WASCAL) Accra Ghana Department of Geography-DRp-Climate Change and Disaster Risk Management University of Lom Lom Togo Department of political and Cultural Change Centre for Development Research (ZEF) University of Bonn Bonn Germany Department of Agricultural Economics and Agribusiness Management School of Agriculture University of Lom Lom Togo Department of Training and Research Regional Centre for West Africa and the Sahel (AGRHYMET) Niamey Niger

Climate services (CS) are crucial for mitigating and managing the impacts and risks associated with climate-induced disasters. While evidence over the past decade underscores their effectiveness across various domains, particularly agriculture, to maximize their potential, it is crucial to identify emerging priority areas and existing research gaps for future research agendas. As a contribution to this effort, this paper employs the preferred Reporting Items for Systematic Reviews and Meta-Analyses (pRISMA) methodology to review the state-of-the-art in the field of climate services for disaster risk management. A comprehensive search across five literature databases combined with a snowball search method using ResearchRabbit was conducted and yielded 242 peer-reviewed articles, book sections, and reports over 2013-2023 after the screening process. The analysis revealed flood, drought, and food insecurity as major climate-related disasters addressed in the reviewed literature. Major climate services addressed included early warning systems, (sub)seasonal forecasts and impact-based warnings. Grounded in the policy processes’ theoretical perspective, the main focus identified and discussed three prevailing policy-oriented priority areas: 1) development of climate services, 2) use-adoption-uptake, and 3) evaluation of climate services. In response to the limitations of the prevalent supply-driven and top-down approach to climate services promotion, co-production emerges as a cross-cutting critical aspect of the identified priority areas. Despite the extensive research in the field, more attention is needed, particularly pronounced in the science-policy interface perspective, which in practice bridges scientific knowledge and policy decisions for effective policy processes. This perspective offers a valuable analytical lens as an entry point for further investigation. Hence, future research agendas would generate insightful evidence by scrutinizing this critical aspect g

关键词： Climate Services Disaster Risk Management policy process Science-policy Interface Institutional Analysis

Evaluation of procedural pain in Neonates in Cameroon

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Open Journal of pediatrics 2024年第3期14卷 568-578页

作者： Claude-Audrey Meguieze Rose Bidias Etouckey georges Eric Nseme Koki Ndombo paul Olivier pediatrics Department Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaounde Cameroon Morphologic Sciences Department Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaounde Cameroon

Introduction: Acute pain associated with caregiving is a major cause of pain among neonates. Left untreated, it can lead to long-term neurosensory and psychoaffective consequences. In Cameroon, this subject has been scarcely explored, thus constituting an impediment to the management of care-induced pain. Objective: Assess procedural pain in neonates in Yaoundé. Material and Methods: We conducted a cross sectional study with prospective data collection over a period of eight months (October 2022 to May 2023) in three hospitals. We included neonates who were being cared for and were not crying prior to the onset of healthcare, whose parents consented to the study. Assessments were done using the DAN scale, which is specific to care-induced pain. Data was entered and analyzed using SpSS 23.0 software. Results: A total of 161 newborns were included. The hospital prevalence of care-induced pain in neonates was 85%. Neonatal sepsis was the main cause for admission (96.6%). The most common procedures were venous blood sampling (94.4%) and insertion of peripheral venous lines (93.8%). The pain intensity for these procedures was severe (83.9%). The most painful procedure was lumbar tap, followed by venous access procedures. Conclusion: Neonates in hospitals are subjected to many painful procedures. The pain experienced during these procedures is severe. The most nociceptive procedure is a lumbar puncture.

关键词： Assessment procedural pain Neonate Yaoundé Cameroon

Successful Laparoscopic Management of a Migrated Intrauterine Contraceptive Device in the pelvic Cavity: A Case Report

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Open Journal of Obstetrics and Gynecology 2024年第1期14卷 36-43页

作者： Tompeen Isidore Inna Rakya Tchounzou Robert Neng Humphry Mangala georges Tchenté Charlotte Mboudou Emile Department of Gynecology and Obstetrics Faculty of Medicine and Biomedical Sciences The University of Yaoundé I Yaoundé Cameroon Department of Gynecology and Obstetrics Faculty of Medicine and Biomedical Sciences The University of Garoua Garoua Cameroon Department of Gynecology and Obstetrics Faculty of Health Sciences The University of Buea Buea Cameroon Department of Gynecology and Obstetrics Faculty of Medicine and Pharmaceutical Sciences The University of Douala Douala Cameroon

Background: An Intrauterine device (IUD) is a long-acting reversible contraceptive commonly used in clinical practice. Its insertion in the uterus is simple and safe. But sometimes, complications can occur. Case Report: Herein, we report a case of successful laparoscopic removal of a missing IUD Copper-T, mis-inserted in a 32-year-old woman, 4 months after she delivered by caesarian section, and presented persistent lower abdominal pain lasting 6 months. Uterine ultrasound was unremarkable, but a plain abdominopelvic X-ray confirmed the presence of the Copper-T inside the abdominal cavity. Conclusion: Insertion of IUD is simple and safe. When the diagnosis of uterine perforation following its insertion is clinically suspected and radiologically confirmed, laparoscopy, when available, remains one of the best options for removal.

关键词： IUD Ectopic Migration Contraception Laparoscopy

Survival Rate and Factors Influencing It in Triptorelin-Castrated Metastatic prostate Cancer patients

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Open Journal of Urology 2024年第3期14卷 160-172页

作者： Sossa Jean Vissoh Gilvias Yevi Dodji Magloire Inès Hodonou Fred Avakoudjo Déjinnin Josué georges Centre National Hospitalier Universitaire Hubert Koutoucou Maga Cotonou Bénin

Background: Most newly diagnosed prostate cancers in Benin are metastatic diseases and patients are reluctant to undergo orchiectomy. Still, chemical androgen deprivation therapy is not always available and not every patient can afford it. Thus, it will be interesting to evaluate the results of that therapy in the country. Objective: To analyze the survival rate and factors influencing it in metastatic prostate cancer patients who underwent triptorelin-based androgen deprivation therapy at the former Military Teaching Hospital of Cotonou from January 1, 2012, to December 31, 2022. patients and Method: Metastatic prostate cancer patients received intragluteal injections of triptorelin 11.25 mg every 3 months. We retrospectively collected follow-up data from the patients’ medical records. By means of the software StataTM version 15, we performed a descriptive analysis of qualitative data. We used Kaplan-Meir method to estimate the overall survival rate in the whole cohort and in specific subgroups of patients. We compared survival rates by using the log-rank test. Results: 68 metastatic prostate cancer patients aged 47-86 years (mean = 69.9) with initial pSA ranging from 24.25 to 6334 ng/mL (mean = 666.1) started triptorelin-based castration. The tumor grade in 21 (33.3%), 14 (22.2%), 15 (23.8), 8 (12.7%), and 5 (7.9%) patients was respectively ISUp grade groups 5, 4, 3, 2, and 1. 15 (22.1%), 4 (5.9%), 2 (2.9%), 1 (1.5%), 11 (16.2%), and 7 (10.3%) patients respectively had hypertension, diabetes mellitus, peptic ulcer, asthma, unilateral or bilateral hydronephrosis, and paralysis. The mean nadir pSA level was 22.5 ng/mL (range: 0.01-220.25). The mean time to nadir pSA level was 8.9 months (range: 3-57). The overall survival rate was 42.6%. There was no significant survival difference between age groups (p = 0.475), relating to the presence of diabetes or hypertension (p = 0.757) or to the presence of paralysis or hydronephrosis (p = 0.090). The initial pSA level exert

关键词： Metastatic prostate Cancer Androgen Deprivation Therapy Overall Survival pSA Nadir