Publications récentes
Article
A Survey on Deep Learning Techniques for Malaria Detection: Datasets Architectures and Future Perspectives
Desire Guel, Kiswendsida Kisito Kabore, Flavien Herve SomdaMalaria remains a significant global health challenge that affects more than 200 million people each year and disproportionately burdens regions with limited resources. Precise and timely diagnosis is critical for effective treatment and control. Traditional diagnostic approaches, including microscopy and rapid diagnostic tests (RDTs), encounter significant limitations such as reliance on skilled personnel, high costs and slow processing times. Advances in deep learning (DL) have demonstrated remarkable potential. They achieve diagnostic accuracies of up to 97% in automated malaria detection by employing convolutional neural networks (CNNs) and similar architectures to analyze blood smear images. This survey comprehensively reviews deep learning approaches for malaria detection and focuses on datasets, architectures and performance metrics. Publicly available datasets, such as the NIH an...
Article
Diversity and Distribution of Ecto and Gastrointestinal Parasites in Domestic Rabbits from the Grand-Ouaga, Burkina Faso
MANO, Komandan, Paténéma SAWADOGO, Yamba SINARE, Patricia SOUBEIGA, Rimwaodo Pierre SILGA, Magloire BOUNGOU, and Awa GNEMEIn Burkina Faso, livelihoods rely strongly on the primary sector such as livestock farming. Owing to their high reproductive potential, rapid growth, and relatively low production costs, rabbit farming appeared increasingly as a sustainable source of income and animal protein. However, rabbits are frequently affected by parasitic infections, which can impede their productivity. In Burkina Faso, data on the parasite fauna associated with rabbit remains scarce. The present study aimed to assess the diversity of parasites infecting domestic rabbits in Ouagadougou and its surrounding peri-urban areas. From June to October 2025, 30 domestic rabbits were examined for parasite collection. A total of 438 individuals parasites were collected. Two species of gastrointestinal Nematoda (Passalurus ambiguruus, Passalurus sp.) and one species of ectoparasitic Achnida (Rhipicephalus sp.) were identifie...
Article
Participatory selection of Hibiscus sabdariffa L. landraces in Burkina Faso: characteristics of interest and selection criteria for leaves
Clémence Zerbo, Romaric Kiswendsida Nanema, Zakaria Kiebre, Mariam Kiebre, Fanta Reine Sheirita Tietiambou, Hamid El Bilali, Filippo Acasto, Jacques Nanema and Mahamadou SawadogoIntroduction: Hibiscus sabdariffa L. is an economically important and widely adopted crop in Burkina Faso. Yet its production is constrained by the lack of improved, locally adapted varieties. This study used a participatory variety selection approach to identify preferred landraces and selection criteria across two agroecological zones: Sudanian and Sudano-Sahelian.
Methods: The evaluation of landraces/accessions was carried out using an ordinal rating system, assigning scores ranging from 9 (most preferred accession), through 7 (very interesting), 5 (moderately interesting), 3 (less interesting), to 1 (least interesting). Landraces considered undesirable were specifically evaluated using negative scores of −5, −3, and −1, reflecting the degree of rejection expressed by the participants.
Results: Participatory selection involved 126 stakeholders (75.4% women), including producers...
Article
ANALYTICAL APPROXIMATION OF THE TIME-FRACTIONAL BURGERS EQUATION USING THE LAPLACE-SBA METHOD
Bayalla Bazoboué Laurent* , Sawadogo Salomond, Bamogo Hamadou et Francis BassonoThis paper investigates the application of the Laplace-SBA method to a nonlinear Burgers-type equation with a fractional time derivative in the sense of Caputo. Such equations, which incorporate memory effects and nonlocal behavior, are increasingly used to model
Article
Facteurs associés au dépistage des cancers du col de l’utérus et du sein chez les femmes de 15-49 ans au Burkina Faso
Hervé BassingaContexte : Lorsque l’on considère les maladies non transmissibles (MNT), les cancers du col de l’utérus et du sein figurent parmi les principales causes de morbidité et de mortalité féminine au Burkina Faso. Bien que le dépistage précoce constitue une stratégie efficace pour améliorer la survie et la qualité de vie des femmes, les taux de recours y demeurent faibles. Cette étude explore les facteurs associés au dépistage du cancer du col de l’utérus et du sein chez les femmes burkinabè âgées de 15 à 49 ans.Données et méthodes:Cette recherche a combiné une analyse descriptive des taux de dépistage et une régression logistique binaire pour identifier les facteurs influençant le recours au dépistage des deux types de cancer à partir des données de l’enquête démographique et de santé (EDS) réalisée en 2021. L’analyse a porté sur un échantillon de 17659 femmes â...
Article
Fuelling energy poverty? Evidence on the role of deforestation in developing countries
Windbeneti Arnaud Zahonogo, Relwendé SawadogoEnergy poverty remains a critical development challenge in low- and middle-income countries, central to achieving Sustainable Development Goal 7 (SDG7). This study investigates the causal impact of deforestation on energy poverty, focusing on two key dimensions: access to electricity and access to clean cooking fuels. Using a panel of 95 developing countries from 2000 to 2023, we employ robust econometric techniques, including ordinary least squares (OLS), two-stage least squares (2SLS), and smoothed instrumental variable quantile regression (SIVQR), to account for endogeneity and distributional heterogeneity. The results consistently show that deforestation significantly worsens energy poverty, particularly in more deprived contexts, by reducing access to clean fuels and electricity. These findings remain robust across alternative deforestation measures and model specifications. Further...
Article
Premières caractérisations morpho typologiques de la céramique archéologiques des enceintes et structures en pierres, sud-ouest du Burkina Faso
Simporé LassinaLes enceintes et structures en pierre sont les principaux vestiges archéologiques connus dans l’espace géoculturel appelé abusivement ‘pays lobi’ au Burkina Faso, Afrique occidentale.
Depuis les premières publications à leur sujet au début du vingtième siècle, leur architecture a été l’aspect matériel le plus traité. Cette focalisation sur les aspects architecturaux se justifierait par leur caractère atypique pour la région d’une part et leur facilité d’accès à travers les affleurements de murs en surface,
d’autre part. En revanche, le mobilier archéologique, notamment céramique a été négligé, même si plusieurs auteurs y font référence. À l’avènement des fouilles archéologiques au début des années 2000, la production céramique s’est avérée majoritaire dans les corpus du mobilier mis au jour lors des différentes
investigations. Au regard du potentiel de la céramique pour appréhender fa...
Article
EFFET DES APPELS TÉLÉPHONIQUES SUR LES TAUX DE SUIVI DE LA COHORTE CHAIN-BURKINA FASO, DE 2018 À 2020
Abdoulaye Hama DIALLO1,2,3, Jocelyne Valérie GARE2, Lamoussa TRAORE4, Seydou OUATTARA2,3, Blaise GNOUMOU1, Roseline Maïmouna BAMOUNI1, Issaka OUEDRAOGO4Le taux de déperdition des participants dans une cohorte
prospective est une préoccupation majeure pour les investigateurs,
compte tenu de son impact sur la validité interne des enquêtes. Notre
étude avait pour objectif d’évaluer l’effet des appels téléphoniques
sur les taux de suivi d’une cohorte de nourrissons au Burkina Faso.
La cohorte du Projet CHAIN-BURKINA FASO était constituée de
nourrissons âgés de 2 à 23 mois, hospitalisés pour morbidité aiguë
et suivis pendant 6 mois après l’hospitalisation respectivement à
J45, J90 et J180. Une régression binomiale avec calcul de risque
relatif (RR) a permis d’estimer l’effet des appels téléphoniques sur
l’effectivité de la visite de suivi planifiée. Au total, 415 enfants
hospitalisés et sortis vivants ont été inclus dans les analyses. Les
taux de suivi étaient respectivement de 93,6% (IC95%= [92,6 - 94,4])
à J45 ; 89,1% (IC95%=...
Article
Plasma proteomic profiling reveals distinct protein signatures associated with hepatocellular carcinoma in chronic hepatitis B infection
Sidnooma Véronique Zongo, Michael A Bauer, Lassina Traore, Tegwinde Rebeca Compaore, Albert Théophane Yonli, Augustin Tozoula Bambara, Palwendé Romuald Boua, Roger Arsène Sombié, Oumar Barro, Sosthene K Somda, Mahamoudou Sanou, Jeremy James Martinson, Jean Christopher Chamcheu, Lewis R Roberts, Mitesh J Borad, Bolni Marius Nagalo, Alan J Tackett, Adama Sanou, Florencia Wendkuuni Djigma, Jacques SimporeBackground
Chronic hepatitis B virus (HBV) infection is a leading cause of hepatocellular carcinoma (HCC), yet reliable biomarkers for early detection and risk stratification remain limited. This study aimed to identify plasma proteins associated with disease progression from chronic HBV infection to HCC.
Methods
Plasma proteomic profiling was conducted using high-resolution LC–MS/MS on samples from healthy controls, chronic HBV carriers, patients with cirrhosis, and individuals with HBV-associated HCC. Differentially expressed proteins were identified through bioinformatics analysis, and protein–protein interaction networks were reconstructed to assess functional relevance.
Results
Eight proteins displayed distinct, stage-specific expression patterns along the disease continuum. ICAM1, TIMP1, and IGFBP7 were progressively upregulated, reflecting roles in inflammation, fibrosis,...
Article
Direct Electrochemical Analysis of 3-Methyl-4-Nitrophenol in Water Using Carbon Fiber Microelectrode Modified with Nickel Tetrasulfonated Phthalocyanine Complex
Yibor Fabrice Roland Bako, Boukaré Kaboré, Amidou Tall, Wendepoui Félix Sawadogo, Issa TapsobaThis study reports a tetrasulfonated nickel phthalocyanine complex (p-NiTSPc) modified carbon fiber microelectrode (CFME) for the detection of 3-methyl-4-nitrophenol (MNP) at low potentials. The voltammogram of MNP showed a cathodic peak at −0.86 V vs Ag/AgCl corresponding to the reduction of the nitro group. An electrocatalytic activity towards the MNP redox process was observed in the presence of p-NiTSPc. The effects of support electrolyte pH, frequency, scan increment, and pulse amplitude on square wave voltammetry (SWV) peak current were studied and optimized to improve the sensor’s electrochemical response. With these optimized parameters, the calibration curve showed that the peak current increased linearly with MNP concentration, with a limit of detection (LoD) of 0.025 µg/L. Therefore, we report, for the first time, an electrochemical LoD of MNP below 0.1 µg/L, the current regul...