Francois Niyongabo Niyonzima
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View article: Exploring teacher’s and students’ perspective toward the use of low-cost atomic model kits in teaching and learning electronic configuration and molecular structures
Exploring teacher’s and students’ perspective toward the use of low-cost atomic model kits in teaching and learning electronic configuration and molecular structures Open
Understanding atomic structures is a fundamental aspect of chemistry education, yet students often struggle to understand these concepts abstract concepts due to limited access to hands-on instructional tools. This study investigate how lo…
View article: Gut Microbiota Dysbiosis and Associated Gut Health Outcomes Among Alcohol Consumers in Musanze District of Rwanda: A Cross-Sectional Study
Gut Microbiota Dysbiosis and Associated Gut Health Outcomes Among Alcohol Consumers in Musanze District of Rwanda: A Cross-Sectional Study Open
Background: Excessive consumption of alcohol contributes to gut dysbiosis, leading to adverse gut health outcomes such as gastrointestinal diseases. About 1.6%, or 200,000, Rwandans between 14 and 64 years old abuse alcohol. But there is a…
View article: 6Ps-based instructional model: An innovative framework for supporting organic chemistry education through a multimedia-supported flipped classroom approach
6Ps-based instructional model: An innovative framework for supporting organic chemistry education through a multimedia-supported flipped classroom approach Open
In response to the persistent challenges students face in mastering complex scientific concepts, innovative instructional approaches are needed to improve learning outcomes and engagement. Thus, this study presents the newly designed 6Ps-b…
View article: Using multimedia-supported flipped classrooms approach to modernize organic chemistry instruction: exploring students’ and teachers’ challenges
Using multimedia-supported flipped classrooms approach to modernize organic chemistry instruction: exploring students’ and teachers’ challenges Open
This study investigates the challenges to effectively implementing a multimedia-supported flipped classroom approach (MSFCA) for teaching organic chemistry in Rwandan secondary schools. The primary objective was to explore the challenges s…
View article: Investigating the impact of using web-based discussion tools on students’ conceptual understanding and 21st century skills development in organic chemistry education
Investigating the impact of using web-based discussion tools on students’ conceptual understanding and 21st century skills development in organic chemistry education Open
Organic chemistry education serves as a cornerstone in various scientific disciplines, yet its instruction is often dominated by rote memorization over deep conceptual understanding, resulting in limited conceptual understanding and diseng…
View article: 8Bs instructional model for knowledge construction using web-based discussion tools
8Bs instructional model for knowledge construction using web-based discussion tools Open
The integration of web-based discussion tools in education has expanded rapidly, yet their pedagogical use remains largely unstructured, often resulting in fragmented discussions and limited learners' engagement. This gap reflects the abse…
View article: Assessing the Influence of Web-Based Discussion Tools on Teachers’ Pedagogical Practices in Teaching Organic Chemistry in Selected Rwandan Secondary Schools
Assessing the Influence of Web-Based Discussion Tools on Teachers’ Pedagogical Practices in Teaching Organic Chemistry in Selected Rwandan Secondary Schools Open
The integration of web-based discussion platforms in education is increasingly recognized for its potential to enhance pedagogical practices. This study examined the impact of web-based discussion on teachers’ pedagogical practices in teac…
View article: Assessing chemistry teachers’ entrepreneurial competencies for developing small chemical-based businesses in Rwanda
Assessing chemistry teachers’ entrepreneurial competencies for developing small chemical-based businesses in Rwanda Open
Unemployment among science graduates in Rwanda remains a pressing challenge due to limited industrial opportunities and insufficient market demand for scientific skills. This study assesses chemistry teachers’ entrepreneurial competencies …
View article: Antimicrobial Activities of Citrus Seed and Leaf Extracts Against Selected Bacterial and Fungal Pathogens Linked to Human Diseases: In vitro Experimental Study in Musanze, Rwanda
Antimicrobial Activities of Citrus Seed and Leaf Extracts Against Selected Bacterial and Fungal Pathogens Linked to Human Diseases: In vitro Experimental Study in Musanze, Rwanda Open
Antimicrobial resistance has caused major challenges in both bacterial and fungal infections. Therefore, the current study was designed to evaluate the antimicrobial activity with different crude extracts of leaves and seeds of Citrus limo…
View article: Review of: "Synthesis of Nickel Nanoparticles Using Ionic Liquid-Based Extract from Amaranthus viridis and Their Antibacterial Activity"
Review of: "Synthesis of Nickel Nanoparticles Using Ionic Liquid-Based Extract from Amaranthus viridis and Their Antibacterial Activity" Open
View article: Web-based discussion in teaching and learning organic chemistry: a scoping literature review on its current trends, cognitive, social, and teaching aspects
Web-based discussion in teaching and learning organic chemistry: a scoping literature review on its current trends, cognitive, social, and teaching aspects Open
Web-based discussion tools have emerged as valuable platforms in teaching and learning chemistry. Despite the increasing use of web-based discussion tools, their effectiveness in enhancing cognitive, social, and teaching aspects of organic…
View article: Investigating chemistry teachers’ technological, pedagogical, and collaborative skills of using web-based discussion tools in teaching organic chemistry in selected Rwandan secondary schools
Investigating chemistry teachers’ technological, pedagogical, and collaborative skills of using web-based discussion tools in teaching organic chemistry in selected Rwandan secondary schools Open
Teachers’ technological, pedagogical, and collaborative skills are key factors in improving students’ learning outcomes. However, some teachers are still unaware of how these skills can be used to enhance their teaching . The current study…
View article: Examining the utilization of web-based discussion tools in teaching and learning organic chemistry in selected Rwandan secondary schools
Examining the utilization of web-based discussion tools in teaching and learning organic chemistry in selected Rwandan secondary schools Open
In recent years, the teaching and learning of organic chemistry have frequently faced challenges due to limited student engagement and participation. Consequently, there is a growing demand for innovative teaching methods to tackle these i…
View article: Examining the utilization of web-based discussion tools in teaching organic chemistry: A dataset collected from secondary schools of Gasabo and Kamonyi districts in Rwanda
Examining the utilization of web-based discussion tools in teaching organic chemistry: A dataset collected from secondary schools of Gasabo and Kamonyi districts in Rwanda Open
In recent years, teaching and learning organic chemistry have been troubled by limited engagement, and active participation among learners. As a result, there has been a growing need to develop innovative teaching methods that can address …
View article: Utilization of artificial intelligence and machine learning in chemistry education: a critical review
Utilization of artificial intelligence and machine learning in chemistry education: a critical review Open
The current study aimed to criticize the existing literature on the utilization of artificial intelligence (AI) and machine learning (ML) in teaching and learning chemistry. A comprehensive critical literature review was conducted using el…
View article: Association of Blood Glucose and Lipid Profile Concentrations in Diabetic Patients Attending Gisenyi District Hospital in Rwanda: A Cross-Sectional Study
Association of Blood Glucose and Lipid Profile Concentrations in Diabetic Patients Attending Gisenyi District Hospital in Rwanda: A Cross-Sectional Study Open
Background: Poor glycemic monitoring of type 2 diabetes mellitus has been linked with dyslipidemia and this led to an augmentation of mortality in diabetic patients. This study assessed the association of blood glucose and serum lipid conc…
View article: ANTIBACTERIAL POTENTIALS OF PLANTS USED IN TRADITIONAL MEDICINE OF RWANDA
ANTIBACTERIAL POTENTIALS OF PLANTS USED IN TRADITIONAL MEDICINE OF RWANDA Open
In Rwanda, a variety of medicinal plants are being given to patients to treat various bacterial diseases.However, the phytochemistry of these plants is still a big challenge.A total of twenty medicinal plants of Rwanda were investigated fo…
View article: Facteurs associés à une issue défavorable chez les brûlés hospitalisés
Facteurs associés à une issue défavorable chez les brûlés hospitalisés Open
CONTEXTE : En 2015, Médecins Sans Frontières a ouvert un Centre de Traumatologie Arche Kigobe à Bujumbura, Burundi, pour prise en charge des victimes des violences, et a élargi en 2016 les critères d’admission aux brûlures, sans unité spéc…
View article: Bacterial profiles and Predisposing factors associated with periodontitis among adult patients attending Ruhengeri Referral Hospital, Rwanda: A cross sectional study
Bacterial profiles and Predisposing factors associated with periodontitis among adult patients attending Ruhengeri Referral Hospital, Rwanda: A cross sectional study Open
Background Periodontal disease is ranked the second oral health disorder following tooth decay. About 50% of the global adult population suffers from periodontal disease, making it one of the world’s most common disease. The study was carr…
View article: Perception of the Continuous Professional Development Programs among Secondary School Heads and Teachers of Biology in Gicumbi, Rwanda
Perception of the Continuous Professional Development Programs among Secondary School Heads and Teachers of Biology in Gicumbi, Rwanda Open
The purpose of this study was to find out how teachers felt about Continuing Professional Development in biology. This study used the descriptive research design. The population used in this study was 133 individuals including 73 O’Level b…
View article: Assessment of Biochemical Parameters of Graft Survivors Post Renal Transplantation at King Faisal Hospital in Rwanda
Assessment of Biochemical Parameters of Graft Survivors Post Renal Transplantation at King Faisal Hospital in Rwanda Open
Background: Chronic kidney disease (CKD) remains a public health concern of 21st century. Each year, over million people die from CKD resulting from the lack of proper diagnosis and treatment of this terrible disease of the urinary system.…
View article: Possible Involvement of Cellular Pathway and Cytokines in Manganese Induced Neurotoxicity in Neuroblastoma Cells via KH–Type Splicing Regulatory Protein
Possible Involvement of Cellular Pathway and Cytokines in Manganese Induced Neurotoxicity in Neuroblastoma Cells via KH–Type Splicing Regulatory Protein Open
Pharmacognosy Research,2023,15,2,307-314.DOI:10.5530/pres.15.2.033Published:February 2023Type:Original Article Authors:Sharad Singh, Sunil More, G. S. Latha, Himanshu Agrawal, Veena S M, and Francois Niyonzima Author(s) affiliations:Sharad…
View article: Correlation of Malaria Rapid Test and Peripheral Blood Smear Microscopy among Patients attending Byumba Health Centre
Correlation of Malaria Rapid Test and Peripheral Blood Smear Microscopy among Patients attending Byumba Health Centre Open
Background: Malaria presents a diagnostic challenge in most tropical countries including Rwanda. Microscopy remains the gold standard for diagnosing malaria, however, it is labour intensive and depends upon the skill of the examiner. Malar…
View article: Teachers’ and students’ perceptions towards the utilization of formative assessment rubric for supporting students’ learning of organic chemistry
Teachers’ and students’ perceptions towards the utilization of formative assessment rubric for supporting students’ learning of organic chemistry Open
This study aimed to investigate the use of formative assessment rubrics for supporting the learning of organic chemistry in secondary schools in Rwanda. A mixed research approach was used to collect and analyze data. The target population …
View article: Production and Purification of Pectinase from Bacillus subtilis 15A-B92 and Its Biotechnological Applications
Production and Purification of Pectinase from Bacillus subtilis 15A-B92 and Its Biotechnological Applications Open
Enzymes that degrade pectin are called pectinases. Pectinases of microbial origin are used in juice clarification as the process is cost-effective. This study screened a pectinase-producing bacterium isolated from soil and identified as Ba…
View article: Antimicrobial activity of Lantana camara extracts against selected clinical isolated bacteria
Antimicrobial activity of Lantana camara extracts against selected clinical isolated bacteria Open
Multi-drug resistance patterns in bacteria are difficult to treat. The search for a new alternative antibiotic drug that may help to control drug-resistant pathogenic bacteria is necessary. The present study focused on the antibacterial ef…
View article: Antimicrobial activity of Mystroxylon aethiopicum and Psidium guajava leaves on selected pathogenic bacteria
Antimicrobial activity of Mystroxylon aethiopicum and Psidium guajava leaves on selected pathogenic bacteria Open
With the rise of antimicrobial resistance, the urge of having new lead compounds that could inhibit microbial growth is turning into a truth. The aim of the present investigation was to determine the antimicrobial activity of Mystroxylon a…
View article: Characterization of Bioactive Compounds from Acacia concinna and Citrus limon, Silver Nanoparticles’ Production by A. concinna Extract, and Their Biological Properties
Characterization of Bioactive Compounds from Acacia concinna and Citrus limon, Silver Nanoparticles’ Production by A. concinna Extract, and Their Biological Properties Open
The applications of bioactive compounds from medicinal plants as therapeutic drugs are largely increasing. The present study selected the bioactive compounds from Acacia concinna (A. concinna) and Citrus limon (C. limon) to assess their ph…
View article: Association between hormonal contraceptive use and derangement of lipid profile among women attending Muhoza Health Center, Rwanda
Association between hormonal contraceptive use and derangement of lipid profile among women attending Muhoza Health Center, Rwanda Open
Background: Contraception is a method used to prevent unwanted pregnancies and child spacing. Although the method is beneficial in over birth control and stabilization of population explosion, the hormonal components of used drugs have bee…
View article: Platelets Transfusion Practice at Butaro Cancer Centre of Excellence in Rwanda
Platelets Transfusion Practice at Butaro Cancer Centre of Excellence in Rwanda Open
Background: To respond to the high demand of hospitals for the lack of enough platelets, in 2015, Rwanda national centre for blood transfusion introduced apheresis to produce more platelets. The high increase of impaired bone marrow among …