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Bioefficacy of Plectranthus kirbii Powder and Extracts on Stored Cowpea Pest Callosobruchus maculatus (Coleoptera: Chrysomelidae)

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Advances in Entomology 2022年第3期10卷 205-222页

作者： Jean Wini Goudoungou Félicité Arindo Katamssadan haman Tofel raoul Barry Borkeum Jean Pierre Abdou Elias Nchiwan Nukenine Department of Biological Sciences Faculty of Science University of Bamenda Cameroon Department of Biological Sciences Faculty of Science University of Ngaoundere Cameroon Department of Life Sciences Higher Teacher Training College of Bertoua University of Ngaoundere Cameroon Department of Chemistry Faculty of Science University of Ngaoundere Cameroon

Cowpea seed constitutes an important source of proteins for populations in Sub-Saharan Africa. But this food resource is heavily damaged by cowpea beetle Callosobruchus maculatus. The control of that pest is mainly carried out by using synthetic insecticides. Despite the efficacy of this method, it caused environmental and health problems. Therefore, the search for alternative methods is vivaciously needed. In this issue, the bio-efficacy of Plectranthus kirbii extracts was assessed on C. maculatus regarding adult mortality, suppression of population and grain damage as well as seed viability preservation and repellency. The leaf powder and aqueous extracts of the plant were tested at 2, 4, 8 and 16 g/kg on bruchid adult for toxicity and damage bioassays. Repellency test was carried out using the plant aqueous, methanolic and ethyl acetate extracts at 0.5, 1, 2 and 4 mg/cm2. The seed viability was evaluated using seeds preserved for three months at the single concentration of 16 g/kg of each plant extract. Significant mortality of cowpea beetle was induced by the plant aqueous extract and leaf powder. LC50 values decreased with the increasing exposure period, and aqueous extract and leaf powder recorded 33.42 and 9.48 g/kg respectively within 3 days whereas within 5 days, the same extracts in the same order recorded LC50 of 1.31 and 8.73 g/kg respectively. These extracts significantly reduced damage by suppressing almost completely the bruchid population growth. The non-infested grain preserved recorded high grain viability compared to the infested ones. The non-treated infested recorded the lowest germination rate (11.33%). The repellency rate ranged from 38.75% to 83.75%. Ethyl acetate and methanolic extracts were classified as the class III repellent product, while aqueous extract ranged as class IV in repellency. Considering these findings, the extracts of P. kirbii could favourably replace the synthetic insecticides used in the

关键词： Cowpea Beetle Plant Extracts Mortality Damage Viability

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Recurrent Oxaliplatin-Induced Immune hemolytic Anemia by Chemotherapy for Metastatic Colon Cancer: A Case Report

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Journal of Cancer Therapy 2013年第1期4卷 159-160页

作者： Sandrine Oziel-Taieb Renaud Sabatier Marine Gilabert Sylvain Garciaz Pauline Ries Slimane Dermeche Jean-Luc raoul Department of Medical Oncology Paoli-Calmettes Institute Marseille France.

We report herein the case of a 55-year-old man who presented an acute hemolysis following a 6th cycle of FOLFOX regimen for a metastatic colorectal cancer;this patient had previously received 12 cycles in an adjuvant setting. he had presented attenuated signs during the previous cycle. This corresponded to an oxaliplatin-induced immune hemolytic anemia. This unfrequent side effect of oxaliplatin needs to be known in order to avoid severe complications.

关键词： Oxaliplatine hemolysis Auto-Immune Colorectal Cancer

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Barcelona clinic liver cancer nomogram and others staging/scoring systems in a French hepatocellular carcinoma cohort

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World Journal of Gastroenterology 2017年第14期23卷 2545-2555页

作者： Xavier Adhoute Guillaume Pénaranda Jean Luc raoul Julien Edeline Jean-Frédéric Blanc Bernard Pol Manuela Campanile hervéPerrierO livier Bayle Olivier Monnet Patrick Beaurain Cyril Muller Paul Castellani Yves Patrice Le Treut Jean Pierre Bronowicki Marc Bourlière Department of hepato-Gastroenterology Hopital Saint-Joseph Marseille Alpha Bio Laboratory Marseille Department of hepato-Gastroenterology and Digestive Oncology Institut Paoli-Calmette Marseille Department of hepato-Gastroenterology and Digestive Oncology Centre Eugène Marquis Rennes Department of hepato-Gastroenterology Centre Hospitalo-Universitaire Saint-AndréBordeaux Department of hepatobiliary Surgery Hopital Saint-Joseph Marseille Department of Radiology Hopital Saint-Joseph Marseille Department of hepatobiliary Surgery Centre Hospitalo-Universitaire Timone Marseille Department of hepato-Gastroenterology Centre Hospitalo-Universitaire de Nancy INSERM U954 Universitéde LorraineCHU de NancyVandoeuvre les Nancy

AIM To compare the performances of the Barcelona clinic liver cancer(BCLC) nomogram and others systems(BCLC, hKLC, CLIP, NIACE) for survival prediction in a large hepatocellular carcinoma(hCC) French *** Data were collected retrospectively from 01/2007 to 12/2013 in five French centers. Newly diagnosed hCC patients were analyzed. The discriminatory ability, homogeneity ability, prognostic stratification ability Akaike information criterion(AIC) and C-index were compared among scoring systems. RESULTS The cohort included 1102 patients, mostly men, median age 68 [60-74] years with cirrhosis(81%), child-Pugh A(73%), alcohol-related(41%), hCV-related(27%). hCC were multinodular(59%) and vascular invasion was present in 41% of cases. At time of hCC diagnosis BCLC stages were A(17%), B(16%), C(60%) and D(7%). First line hCC treatment was curative in 23.5%, palliative in 59.5%, BSC in 17% of our population. Median OS was 10.8 mo [4.9-28.0]. Each system distinguished different survival prognosis groups(P he nomogram had the highest discriminatory ability, the highest C-index value. NIACE score had the lowest AIC value. The nomogram distinguished sixteen different prognosis groups. By classifying unifocal large hCC into tumor burden 1, the nomogram was less powerful. CONCLUSION In this French cohort, the BCLC nomogram and the NIACE score provided the best prognostic information, but the NIACE could even help treatment strategies.

关键词： Barcelona clinical liver cancer hong kong liver cancer NIACE CLIP hepatocellular carcinoma

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ENT Pathologies Screening in Woodworkers in Parakou,Benin

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International Journal of Otolaryngology and head & Neck Surgery 2014年第6期3卷 337-341页

作者： Spero h.raoul hounkpatin Fabien A.C.Gounongbe Sonia Lawson Afouda Marius C.Flatin Karl A.F.B.Dossou-Kpanou Francois Avakoudjo Elvire Dossoumou Wassi Adjibabi Faculte de Medecine Universite de ParakouParakouBenin Faculte des Sciences de la Sante de Cotonou Universite d’Abomey-CalaviCotonouBenin

Wood dust may induce health risks on exposed timber or wood workers, one of which is ENT disorders. This article aimed to detect ENT pathologies found among woodworkers in Parakou. It was a cross-sectional descriptive study carried out from 1st March to 31st May, 2012 in Parakou, North-Benin. It involved 703 carpenters and sawyers operating in timber workshops in Parakou, regardless of age and sex. The mean age of the wood-workers was 26.14 ± 7.77 years. Their seniority in the timber profession was on average 4.9 ± 2.64 years. All of them were males. It had been noticed that 81.6% of them did not comply with any safety measure for their protection. ENT pathology had been diagnosed in 60.3% of the timber workers. Rhinitises came first and affected 43.1% of the workers, followed by pharyngitises (14.1%). The histological nature of the only case of tumor observed in Parakou could not have been specified, as the patient refused to undergo anatomopathological examination. Measures should be taken to get Parakou timber workers to protect themselves.

关键词： Timber/Wood-Workers Occupational Rhinitis ENT Pathologies

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Asymptomatic Carriage of Salmonella and Intestinal Parasites in Pupils in Yaounde

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Open Journal of Medical Microbiology 2021年第2期11卷 119-128页

作者： Rosanne Minone Ngome Michel Toukam Nadia Christelle Noumedem Anangmo Sylvain raoul Simeni Njonnou Emilia Lyonga Mbamyah hortense Gonsu Kamga Department of Microbiology Hematology and Infectious Diseases Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaounde Cameroon Clinical Biology Laboratory Hospital Center for Research and Application in Endoscopic Surgery and Human Reproduction Yaounde Cameroon Department of Microbiology Haematology and Immunology Faculty of Medicine and Pharmaceutical Sciences University of Dschang Dschang Cameroon Department of Internal Medicine and Specialties Faculty of Medicine and Pharmaceutical Sciences University of Dschang Dschang Cameroon Bacteriological Laboratory Yaounde University Teaching Hospital Yaounde Cameroon

Background: Feco-oral transmitted diseases (FOTD) remain a public health issue, particularly in developing countries. Data concerning the carriage of Salmonella and intestinal parasites in children are available worldwide but are lacking in Cameroon. This study aimed to determine the asymptomatic carriage of Salmonella and intestinal parasites in children of two primary schools in Yaoundé. Methods: A cross-sectional descriptive study was conducted from October 2017 to May 2018 in two primary schools (from rural and urban areas) in the 7th precinct of Yaoundé. Sociodemographic, clinical and paraclinical (rectal swab, direct examination of fresh stool and bacteriological culture on hektoen medium) data were collected. Results: We included 368 (192 boys) pupils from both schools (184 in each school) with a mean age of 8.99 ± 2.21 years. None of the children was infected by Salmonella spp. Intestinal parasite prevalence was 9.80% (6.52% of children from the urban school vs 13.04% from the rural ones). The intestinal parasite prevalence tended to be higher in girls than in boys (11.98% vs. 7.39%). Among intestinal parasites, protozoa were the most widely found. Entamoeba histolytica and Giardia intestinalis were the most prevalent pathogenic intestinal protozoa (11.11% vs. 25% of all positive stool exams). The helminths, less frequent, were represented by Ascaris lumbicoides and Enterobius vermicularis. The factors associated with intestinal parasite carriage were mainly rural school location and age between 11 -

关键词： Stool Culture Intestinal Parasites Pupils

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用选择的生物萃取物配制化妆品

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日用化学工业译丛 1992年第3期 36-38页

作者： raoul hermitte 黄汉生

近几年来,疗效化妆品的配制获得了迅速发展,常常涉及到医药领域。现在,全新的一大类活性成分可提供化妆品配方师使用。其中来源于动物的活性成分称为:'生物成分'或'生物因子成分'。动物生物成分可以是不同动物的腺体和组织的萃取物和水... 详细信息

近几年来,疗效化妆品的配制获得了迅速发展,常常涉及到医药领域。现在,全新的一大类活性成分可提供化妆品配方师使用。其中来源于动物的活性成分称为:'生物成分'或'生物因子成分'。动物生物成分可以是不同动物的腺体和组织的萃取物和水解产物。以下简介一部分提供化妆品配方师用的动物源原料。这些原料都有供应厂家提供。

关键词：化妆品生物萃取物

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Per-Partum Anaemia and Missed Post-Partum haemorrhage in Low Resources Settings

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Open Journal of Obstetrics and Gynecology 2018年第14期8卷 1557-1568页

作者： Valere Salomon Mve Koh Claude C. Noa Ndoa Julius Dohbit Sama raoul Tefee II Philipe Nana Njotang University of Yaoundé I Yaoundé Cameroon University Teaching hospital of Yaoundé Yaoundé Cameroon Centre hospitalier de Recherche et d’Application en Chirurgie Endoscopique et Reproduction humaine (ChRACERh) Yaoundé Cameroon Gynaeco-Obstetric and Paediatric hospital of Yaoundé Yaoundé Cameroon Central hospital of Yaoundé Yaoundé Cameroon

Background: Post-partum haemorrhage is the leading cause of maternal death throughout the world, and anaemia is one of its indirect causes. Anaemia during labour increases the risk of PPh and may lead to maternal mortality even after moderate PPh. Undiagnosed PPh and post-partum anaemia increases the risk of late maternal death in the community. The aim of this study was to assess the prevalence of anaemia on admission for labour, the occult early post-partum haemorrhage and the magnitude of post-partum anaemia in a low resource setting. Methods: This was a longitudinal study. We included pregnant women in labour. haemoglobin concentration was measured on admission (h0), then 24 hours (h24) and 48 (h48) hours later. The post-partum blood loss was estimated by delta haemoglobin, using the criteria of M. Driessen et al. Results: We recruited 245 pregnant women. The mean age was 27.0 ± 6.0 years. The mean hemoglobin concentration was 11.7 ± 1.9 g/dl, the frequency of anaemia was 30.6% and was related to ethnicity (P = 0.042) gestational age (p he inter pregnancy time space (p = 0.001). Twenty-two-point two percent had post-partum haemorrhage among which 40% were undiagnosed. The mean blood loss was 375 ml and post-partum anaemia rate was 44.5%. Conclusion: Anaemia on admission was related to socio-demographic characteristics. The frequencies of anaemia during labour, missed PPh and undiagnosed post-partum anaemia were high. haemoglobin concentration on admission for labour and after delivery, reliable method to assess PPh should be mandatory, to better identify per and post-partum anemia, and the management of PPh, in low income environments.

关键词： haemoglobinometer Per-Partum Anaemia

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Ion source perturbation and control in intense laser plasma interaction

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Matter and Radiation at Extremes 2020年第4期5卷 47-52页

作者： B.Ramakrishna S.Krishnamurthy M.Tayyab S.Bagchi K.Makur raoul Trines Robbie Scott Alex Robinson J.A.Chakera Department of Physics Indian Institute of Technology HyderabadKandiSangareddy 502285India Laser Plasma Division Raja Ramanna Centre for Advanced TechnologyIndore 452013India homi Bhabha National Institute Training School ComplexAnushakti NagarMumbai 400094India Central Laser Facility STFC Rutherford-Appleton LaboratoryDidcot OX110QXUnited Kingdom

We present here experimental results on the optimization of the mega-electronvolt ion source from the target front surface by using relativistic(10^(18)W/cm^(2))interactions with ultra-short laser pulses(50 fs).The source perturbation in the accelerated proton/ion beam was primarily controlled by the addition of a pre-pulse to main pulse contrast *** 2D particle-in-cell simulations agreed well with the observed experimental results for the ion source perturbation and *** work provides insights into ion source perturbations(temporal and spatial)and the need to control them in intense laser–plasma *** results may assist in the efficient guiding of proton/ion beams to the core of fusion fuel or of ions in cancer therapy.

关键词： intense source primarily

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Comparative Petro-Geochemistry of the Intrusive Granitoids of the ComoéBasin and the Granitoids of the Ferkessédougou Batholith (Côte D’Ivoire, Man-Leo Shield): Geodynamic Implications for the West African Craton (WAC)

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Journal of Geoscience and Environment Protection 2022年第7期10卷 98-118页

作者： Tokpa Kakeu Lionel-Dimitri Boya Allou Gnanzou Aristide Ghislain Beugré Dago Nahoua Silue Koffi raoul Teha Alain Nicaise Kouamelan Laboratory of Geology Mineral and Energy Resources/Training and Research Unit in Earth Sciences and Mineral Resources Félix HOUPHOU&#203 T-BOIGNY University Abidjan C&#244 te d’Ivoire Ministry of Mines Petroleum and Energy Duékoué Regional Directorate Duékoué C&#244 te d’Ivoire

The study of Birimian granitoids is of great importance because it allows us to understand the architecture of the West African crust and the processes that shaped it. In order to contribute to the improvement of knowledge on the geodynamic context of the emplacement of certain granitoids of the West African craton, this article addresses some essential problems of the Birimian, namely distinguishing the real nature of the magmas and the mechanisms that generated this Birimian crust. On the West African craton, there are intrusive granites in volcano-sedimentary furrows, in meta-sedimentary basins and granites that form batholiths separating these structures. To provide an answer to this scientific concern, we conducted a comparative study of the granitoids of the Comoé basin (Tiassalé region) and those of the large batholith of Ferkessédougou (Daloa region). From this study, it appears that these Birimian granitoids have been identified as granites, granodiorites and tonalites in the Tiassalé region while in Daloa, they are assimilated to anatexites and granites. They present very diverse aspects and contexts of emplacement: the granitoids of the Comoé basin have characteristics of type I granite, indicating direct crystallization of mantle magmas in a syntectonic emplacement, while in the Daloa region, some granitoids are magmatic, others migmatitic or metasomatic, reflecting a certain complexity relating to their genesis.

关键词： Petro-Geochemistry Birimian Granitoid Comoé Basin Ferkessédougou Batholith Côte d’Ivoire

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Kinetic, Isotherm and Thermodynamic Studies of the Adsorption of Thymol Blue onto Powdered Activated Carbons from Garcinia cola NutShells Impregnated with h3PO4and KOh: Non-Linear Regression Analysis

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Journal of Encapsulation and Adsorption Sciences 2020年第1期10卷 1-27页

作者： Idris-hermann Tiotsop Kuete Donald raoul Tchuifon Tchuifon George Nche Ndifor-Angwafor Arnaud Tamo Kamdem Solomon Gabche Anagho Materials and Process Engineering Team (MPET) Research Unit of Noxious Chemistry and Environmental Engineering (RUNOCHEE) Department of Chemistry Faculty of Science University of Dschang Dschang Cameroon Department of Chemical and Process Engineering Faculty of Industrial Engineering University of Douala Douala Cameroon Freiburg Materials Research Center (FMF) University of Freiburg Freiburg Germany Department of Chemistry Faculty of Science University of Bamenda Bambili Cameroon

In this work, activated carbons (ACs) prepared by chemical activation of garcinia cola nut shell impregnated with h3PO4 (CBh2/1) and KOh (CBK1/1) were used to study the kinetics, equilibrium and thermodynamics of the adsorption of thymol blue from aqueous solution. The characterization of ACs showed the BET measurements gave surface area and total pore volume respectively of 328.407 m2·g-1 and 0.1032 cm3·g-1 for CBh2/1 and 25.962 m2·g-1 and 0.03 cm3·g-1for CBK1/1;elemental analysis showed a high percentage of carbon in both ACs. Influence of parameters such as initial ph, contact time, adsorbent mass, initial concentration, ionic strength and the effect of temperature on the removal of thymol blue from aqueous solution were studied in batch mode. The studies showed that equilibrium adsorption was attained after 60 minutes for the two ACs, adsorption capacity increased with increasing concentration of thymol blue, and maximum adsorption capacity was obtained at an acidic environment with ph 2. Avrami’s non-linear kinetic expression was the best suited for describing the adsorption kinetics of thymol blue onto ACs, while equilibrium data showed that the three-parameter isotherms better described the adsorption process since R2 > 0.96, and the error functions were lowest for all of them. Maximum adsorption capacity values obtained using the three-parameter Fritz-Schlunder equation were 32.147 mg·g-1 for CBh2/1 and 67.494 mg·g-1 for CBK1/1. The values of the model parameters g and mFS respectively, obtained using the Redlich-Peterson and Fritz-Schlunder III isotherms below 1, showed that the adsorption of thymol blue by the ACs occurred on heterogeneous surfaces. Thermodynamic analyses of the data of the adsorption of thymol blue onto ACs revealed that the adsorption process was temperature dependent, endothermic and spontaneous.

关键词： Garcinia Cola Nut Shell Chemical Activation Elemental Analysis Non-Linear Regression Adsorption Isotherms Adsorption Kinetic Models

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