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Journal of Water Resource and Protection 2015年第9期7卷 702-706页

作者： Roch Christian Johnson gratien boni Cyriaque Degbey Karel Togbe Hermione Amoukpo Michel Boko Laboratory of Hygiene Sanitation Toxicology and Environmental Health Interfaculty Center of Training and Research in Environment for the Sustainable Development University of Abomey-Calavi (CIFRED-UAC) Cotonou Benin Regional Institute of Public Health University of Abomey-Calavi Cotonou Benin

Contamination of domestic water sources by the biological and physico-chemical pollutants remains a public health issue in Benin. The household water purification devices such as ceramic filters may be a solution. “Filtre Songha?” is a ceramic filter, accessible and easy to use, marketed in Benin. The purpose of this study is to assess the contribution of the “Filtre Songha?” in the treatment of water for domestic use in a peri-urban area in Porto-Novo (Benin). Water samples have been taken, from a collective well and from the lagoon in the 5th district of Porto-Novo. The physico-chemical and bacteriological parameters were measured before and after filtration. The results showed that the use of filters has allowed for a reduction of 97.5% for total coliform in the well water and 99.05% for water from the lagoon. The reduction is 100% for Escherichia coli and fecal streptococci in both cases. Given the low cost and the lifetime use of “filtre Songhai”, this device can be recommended to households for drinking water, particularly for children below five years old the most vulnerable to water related diseases. Research is still necessary to improve the filtration time of this device.

关键词： Drinking Water “Filtre Songhai” Porto-Novo Bénin

User-Loyalty to Online Social Network Sites: A Self-Regulation Perspective

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User-Loyalty to Online Social Network Sites: A Self-Regulati...

Microbiological Quality Assessment of Drinking Water in Lalo Commune, Benin (West Africa)

作者： Ives Chacourre Wangninanon GOGAN Souliath Folakè Tarz BOCO gratien boni Qi ZHANG School of Management Harbin Institute of Technology Centre Interfacultaire de Formation et de Recherche en Environnement pour le Développement Durable (CIFRED) Université d’Abomey-Calavi

Social networks sites（SNS） have increased in number and popularity this last decade. A recent report of china internet network and information centre has shown that an average of thirtyone per cent of users of SNS drop usage after adoption indication a timely concern of SNS providers in sustaining their platform. The current study proposed a research model based on selfregulation theory of Bagozzi to investigate the impact of SNS platform quality and pleasure on user-satisfaction and how the latter influence user-loyalty. The model was tested with survey data from Weibo users. The result has shown that are significantly related to user-satisfaction and satisfaction strongly associated with user-loyalty.

关键词： Social network sites Satisfaction User-loyalty Pleasure

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Journal of Water Resource and Protection 2016年第8期8卷 816-822页

作者： Roch Christian Johnson gratien boni Hermione Amoukpo Yves Barogui Gabriel Diez Didier Agossadou Ghislain Emmanuel Sopoh Michel Boko Laboratory of Hygiene Sanitation Toxicology and Environmental Health Interfaculty Center of Training and Research in Environment for the Sustainable Development University of Abomey-Calavi (UAC) Cotonou Benin National Buruli Ulcer Control Program Ministry of Health Cotonou Benin Anesvad Foundation General Concha Bilbao Spain

Although drinking water is readily available in Benin, its quality presents a public health concern. The district of Ahomadégbé in the commune of Lalo is characterized by several artesian wells. Unfortunately, anthropogenic factors negatively affect the drinking water quality in this area. The aim of this research was to study the microbiological quality of drinking water in the Ahomadégbé district, and to review household water treatment methods employed by the local population. Thirty-five water samples were taken—at water collection points, at selected points along the water transportation system and from water storage facilities, and microbiological parameters were measured. Qualitative data were collected via in-depth interviews with key informants regarding local household water treatment methods. Results reveal that there is a significant degree of microbiological pollution of drinking water in this district, particularly during the water transportation and storage stages where microbiological pollution exceeds levels approved by the World Health Organization. Local residents are familiar with several household water treatment methods. However, these methods are inconsistently applied, which limits their effectiveness. In addition to improving the quality of the drinking water resource itself, it is important to set up interventions relating to water treatment methods in local households.

关键词： Benin Lalo Microbiological Pollution Water Treatment

Situation of Water, Hygiene and Sanitation in a Peri-Urban Area in Benin, West Africa: The Case of Sèmè-Podji

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Journal of Environmental Protection 2014年第12期5卷 1277-1283页

作者： Roch Christian Johnson Hadehou Segla Tamègnon Victorien Dougnon gratien boni Honoré Sourou Bankole Christophe Houssou Michel Boko Laboratory of Hygiene Sanitation Toxicology and Environmental Health Interfaculty Center of Training and Research in Environment for the Sustainable Development University of Abomey-Calavi (UAC) Cotonou Benin Research Laboratory in Applied Biology Polytechnic School of Abomey-Calavi University of Abomey-Calavi Cotonou Benin

This study aimed to analyze the environmental factors related to health vulnerability in the municipality of Sèmè-Podji. For this study, 216 households were surveyed using questionnaires. Twelve key informants were enrolled for depth interviews and 18 water samples were collected from different sources used by the populations. It came out of our investigations that water from traditional sources used at Sèmè-Podji was contaminated by various microorganisms such as Escherichia coli and fecal coliforms. 66.38% of households reject domestic waste and 47.41% of them evacuate sewage in the yard. In addition, 93.05% drop stagnant water for natural infiltration. This municipality faces lack of sanitation. The main health problems experienced by people were malaria (46.35%), diarrheal diseases (15.88%). The study stated some results which could improve the help about health management in the area.

关键词： Sèmè-Podji Environment Health Vulnerability Population

Knowledge, Attitudes and Practices of the Population of the District of Ahomadégbé(Municipality of Lalo) in Benin on Methods of Water Treatment at Home

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Journal of Water Resource and Protection 2018年第3期10卷 251-265页

作者： Hermione Amoukpo Zoulkifl Salou Bachirou Gabriel Diez Larys Akuesson Rachad Lanignan Horace Degnonvi Yves Barogui gratien boni Michel Boko Roch Christian Johnson Laboratory of Hygiene Sanitation Toxicology and Environmental Health Interfaculty Center of Training and Research in Environment for the Sustainable Development (CIFRED) University of Abomey-Calavi (UAC) Cotonou Benin Anesvad Foundation General Concha Bilbao Spain National Buruli Ulcer Control Program Ministry of Health Cotonou Benin

Water is an indispensable resource for life. In the district of Ahomadégbé in Benin, although most of the population has access to improved water sources, in their homes, residents consume poor water quality due to microbiological contamination during transport and storage. To identify necessary actions needed to improve household drinking water quality, the present study aims to analyze the knowledge, attitudes, and practices the district of Ahomadégbé’s population regarding household drinking water treatments methods. A study was conducted, where 377 residents were interviewed using an individual questionnaire and 82 participants were selected for eight focus groups to determine the population’s knowledge, attitudes, and practices. More than 65% of the district’s population knew some methods of water treatment at home. In practice, however, they lacked the knowledge to apply the different water treatment methods and only 6.1% of the population used at least one method of water treatment at home, even if it was not always adapted. The water treatment methods residents used were Alum (KAl(SO4)2·12 H2O, chemical decantation method), filtration on tissues, and disinfection by boiling. Ineffective home water treatment methods, such as oil and cresol were also used. The population is aware of water contamination during transport and storage. Unfortunately, most residents surveyed do not treat water before consumption, and those who treat it, use inappropriate methods. Thus, people must be made aware of the health benefits of using effective home water treatment methods and their correct use.

关键词： KAP Home Water Treatment Methods Ahomadégbé Lalo

Antibacterial Activities of the Ethanolic Extract of <i>Crateva adansonii</i>DC. (Capparidaceae) Harvested in Dassa-Zoumèin Central Bénin

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Open Journal of Medical Microbiology 2020年第2期10卷 46-57页

作者： Zinsou Franck Mignanwandé Roch Christian Johnson Armelle Sabine Yélignan Hounkpatin gratien boni Armel Géraldo Houndeton Eustache Enock Houéto Wilfrid Hinnoutondji Kpètèhoto Madjid Olatoundé Amoussa Interfaculty Center for Training and Research in Environment for Sustainable Development (CIFRED) University of Abomey-Calavi Abomey-Calavi Benin Technical Higher Teacher Training School (ENSET) National University of Sciences Technologies Engineering and Mathematics (UNSTIM) Abomey Benin Faculty of Sciences and Technology University of Abomey-Calavi Abomey-Calavi Benin

Objective: The present was initiated to study the antibacterial properties of the Crateva adansonii DC extract on germs commonly identified in skin and digestive infections in Benin as well as the reversion of resistance to these aforementioned germs. Method: The bacteria’s sensitivity test to extracts was carried out by the microdilution method in liquid medium as well as the MIC and the reversion of bacterial resistance. For the determination of the MBC, this technique is used coupled with spreading on agar medium. Results: The results show an antibacterial activity of the extract with MICs between 0.625 - 5 mg/ml. The CMB of Enterococcus faecalis ATCC 29212 is 2.5 mg/ml while that of Methicillin-resistant Staphylococcus aureus and Staphylococcus epidermidis CIP 8039 is 5 mg/ml. The reversion of bacterial resistance has shown a synergy of action between our extract and conventional antibiotics.

关键词： Antibacterial Activity Crateva adansonii Ethanolic Extract Benin