An optimized irrigation water quality index for evaluating surface water sustainability status of an agricultural watershed.

Maintaining good water quality is essential for drinking and agriculture. High water quality is crucial for irrigation to boost agricultural productivity and ensure sustainable water resource management. This study used in-depth physical and chemical analysis of water samples to evaluate the Kakia-Esamburmbur watershed's irrigation water sustainability.

Genetic variation of the circumsporozoite protein in parasite isolates from Homabay County in Kenya.

The Circumsporozoite Protein (PfCSP) has been used in developing the RTS,S, and R21 malaria vaccines. However, genetic polymorphisms within compromise the effectiveness of the vaccine. Thus, it is essential to continuously assess the genetic diversity of , especially when deploying it across different geographical regions.

Development of a rapid and highly sensitive nucleic acid-based diagnostic test for schistosomes, leveraging on identical multi-repeat sequences.

Introduction: Schistosomiasis (Bilharzia), a neglected tropical disease caused by parasites, afflicts over 240 million people globally, disproportionately impacting Sub-Saharan Africa. Current diagnostic tests, despite their utility, suffer from limitations like low sensitivity. Polymerase chain reaction (PCR) and quantitative real-time PCR (qPCR) remain the most common and sensitive nucleic acid amplification tests.

Development and optimization of a new competitive ELISA using recombinant (rPSA D15 and rCag11) antigens for the detection of Helicobacter pylori infection.

H. pylori (Hp) is highly causative agent of chronic gastritis, gastric cancer and human death worldwide. To address the challenge of H.

Predictors of Length of Hospitalization for Neonatal Sepsis at Kenyatta Nation Hospital, Kenya: A Prospective Cross-Sectional Study.

Background And Aims: Neonatal sepsis is a major cause of neonatal mortality worldwide. It remains a detrimental bottleneck to the WHO goal of eradicating preventable deaths for children below 5 years of age by 2030. Though the risk factors for adverse clinical outcomes for neonatal sepsis have been widely studied there is no universal consensus.

Simple and Fail-safe Method to Transform Miniprep Strain K12 Plasmid DNA Into Viable EHA105 Cells for Plant Genetic Transformation.

Agrobacterium-mediated gene transformation method is a vital molecular biology technique employed to develop transgenic plants. Plants are genetically engineered to develop disease-free varieties, knock out unsettling traits for crop improvement, or incorporate an antigenic protein to make the plant a green factory for edible vaccines. The method's robustness was validated through successful transformations, demonstrating its effectiveness as a standard approach for researchers working in plant biotechnology.

Evaluation of the Food Barrier and Mechanical Properties of Carrageenan-Starch Composite Films.

Single use plastics are a leading source of microplastics that have been detected along the food chain. This study evaluated the potential of starch (ST) and carrageenan (CRG) in packaging film formulation. CRG isolated from the seaweed (SW) was blended with starch and cast to obtain films whose moisture content (MC), total soluble matter (TSM), degree of solubility (DS), water vapor permeability (WVP), opacity (O), contact angles (CA), moisture absorption (MA), and percent elongation (PE) were evaluated.

Therapeutic Potential of Microgreens Extract in Alleviating Symptoms of Type 2 Diabetes in Wistar Rats.

Microgreens of Brassica plants have attracted increasing research interest in the management of the prevailing epidemic of Type 2 diabetes mellitus (T2DM) because of their high nutritional value. This study evaluated the antidiabetic effects of Microgreens Ethanolic Extract (BMEE) in type-2 diabetic rats. For the normoglycemic assay, rats were divided into five groups and received a single oral dose of 100, 250, and 500 mg/kg of BMEE while the control groups received distilled water and Glibenclamide.

We are what we eat: Implications of host plant suitability on sustainable production of silkworm pupae as novel ingredient with dietary and health benefits.

Although, the impact of mulberry leaves on mortality of Bombyx mori [silkworm] and cocooning rates has been investigated, limited research has exploited the influence on the quality of B. mori pupae. This study evaluated the effects of four mulberry cultivars (Ichinose, Noi-EX-Thailand, Ex-Thika and Victory1) on the nutritional quality of B.

Preferences for and acceptability of long-acting HIV prevention products among pregnant and lactating women accessing health services in Kenya: a mixed method cross-sectional analysis.

Background: Increased risk of HIV acquisition during pregnancy and lactation among women is evident, necessitating their inclusion in the evaluation of new HIV prevention interventions. Pregnant and postpartum women specifically face challenges with oral PrEP associated with stigma, and the burden of using other tablets. Long-acting products may address challenges related to oral PrEP, however, there is limited data on product-specific preferences and acceptability among pregnant and lactating women.

Measuring the uptake of clinic-based HIV treatment and prevention services following HIV testing and referral at private pharmacies in Kenya.

Background: Despite their ubiquity across sub-Saharan Africa, private pharmacies are underutilized for HIV service delivery beyond the sale of HIV self-test kits. To understand what uptake of HIV prevention and treatment services might look like if private pharmacies offered clients free HIV self-testing and referral to clinic-based HIV services, we conducted a pilot study in Kenya.

Methods: At 20 private pharmacies in Kisumu County, Kenya, pharmacy clients (≥ 18 years) purchasing sexual health-related products (e.

Evaluating antibacterial and antioxidant properties of sericin recovered from cocoons of Bombyx mori, Gonometa postica and Samia ricini in Kenya.

Microbial infections and excessive reactive oxygen species are the primary contributors to delays in wound healing with Pseudomonas aeruginosa, Escherichia coli and Staphylococcus aureus as the common wound infection causing bacteria. In fact, wound management has become more challenging since most of these microbes have developed resistance against commonly used conventional antibiotics thus making it necessary to develop natural products with both antibacterial and antioxidant activities. Increasing attention has been paid to silk sericin in the last decade, with limited research focus in Africa.

Acceptability and feasibility of a urine-based tenofovir adherence assay for monitoring and providing feedback on PrEP adherence in Kenya.

Objective measures of oral PrEP adherence - especially point-of-care (POC) measures that enable real-time assessment, intervention, and feedback - have the potential to improve adherence. Our team previously developed and validated a novel urine-based POC metric of PrEP adherence. In this study, we sought to determine whether this assay is acceptable and feasible among women taking PrEP and PrEP providers in Kenya.

An alternative Semi-Autotropic Hydroponics (SAH) substrate for cassava rapid propagation: A first study case.

The expansion of Semi-Autotrophic Hydroponics technology to address the issue of multiplying and disseminating virus-free planting materials for vegetatively propagated crops is challenged by the utilization of imported substrate, namely, KlasmannTS3. In this study, we evaluated the growth parameters and cutting production of cassava genotypes during three subsequent plantlet production cycles using three single substrates, namely, KlasmannTS3 (K), vermiculite (V), and local peat (P), and three blended substrates. The blended substrates were a combination of 25% K and 75% P (K25P75), a combination of V and P at respective rates of 25% and 75% (V25P75), and respective rates of 10% and 90% (V10P90).

Optimization of economics of biomass fuel mix for boilers in tea processing through response surface methodology.

Fuelwood is the primary source of heat energy for tea processing, but its availability is declining due to population growth and logging restrictions. This study aimed to optimize the economics of biomass fuel mixtures for tea processing boilers by integrating macadamia nutshells as a supplementary fuelwood. The objective was to develop a cost-effective fuel mix strategy using Response Surface Methodology (RSM) and MATLAB simulations.

Expanding the reach of HIV pre-exposure prophylaxis (PrEP) among Kenyan adolescent girls and young women: the acceptability of HIV PrEP integration into post-abortal care services.

Adolescent girls and young women (AGYW) seeking post-abortal care (PAC) remain at risk of unintended pregnancies and HIV due to infrequent condom use. Integrating HIV prevention services, such as PrEP, into PAC services offers an opportunity to enhance reach, uptake, and efficiency, particularly in high-burden settings like Kenya. However, data on acceptability, feasibility, and sustainability of PAC clinics as entry points for PrEP is limited.

Edible caterpillars ( and ) as emerging source of nutrients and bioactive compounds.

Globally, despite the commercial and cultural importance of edible caterpillars ( and ), comprehensive information on their dietary and therapeutic benefits has not been fully explored. The study was aimed at evaluating the nutritional composition and bioactive compounds profile of two important edible caterpillars ( and ) in Africa. Our results demonstrated that and are capable of amplifying host plant protein (17 %) by 4.

Comparison of fine-scale malaria strata derived from population survey data collected using RDTs, microscopy and qPCR in South-Eastern Tanzania.

Background: Malaria-endemic countries are increasingly adopting data-driven risk stratification, often at district or higher regional levels, to guide their intervention strategies. The data typically comes from population-level surveys collected by rapid diagnostic tests (RDTs), which unfortunately perform poorly in low transmission settings. Here, a high-resolution survey of Plasmodium falciparum prevalence rate (PfPR) was conducted in two Tanzanian districts using rapid diagnostic tests (RDTs), microscopy, and quantitative polymerase chain reaction (qPCR) assays, enabling the comparison of fine-scale strata derived from these different diagnostic methods.

Chromosome-scale assembly of the African yam bean genome.

Genomics-informed breeding of locally adapted, nutritious, albeit underutilised African crops can help mitigate food and nutrition insecurity challenges in Africa, particularly against the backdrop of climate change. However, utilisation of modern genome-assisted crop improvement tools including genomic selection and genome editing for many African indigenous crops is hampered by the scarcity of genomic resources. Here we report on the assembly of the genome of African yam bean (Sphenostylis stenocarpa), a tuberous legume crop that is indigenous to Africa.

Detection of antibodies against H5 subtype highly pathogenic avian influenza viruses in multiple raccoons in Tokachi District, Hokkaido, Japan, from 2022 to 2023.

In recent years, infection cases of H5 subtype highly pathogenic avian influenza viruses (HPAIVs) in wild mammals have increased globally. To obtain recent epidemiological information regarding influenza A virus (IAV) infection in raccoons (Procyon lotor), the prevalence of anti-IAV antibodies in sera was analyzed among raccoons captured in Tokachi District, Hokkaido, Japan, from 2019 to 2023. Screening of serum samples using enzyme-linked immunosorbent assay and agar gel precipitation test detected anti-IAV antibodies in 5 of 114 (4.

Effect of berry maturity stages on the germination and protein constituents of African nightshade (Solanum scabrum) seeds.

African nightshade (Solanum scabrum) is a vegetable of great importance in several African countries. Production by seed is constrained by limited access to high quality seed, leaving farmers unable to meet the growing demand. The aim of this study was to investigate effects of berry maturity stages (mature green and purple) on germination and protein components of African nightshade seeds.

Prevalence, incidence and risk factors for rugby-related injuries: A survey of the Safari Sevens tournament.

Background: Rugby-related injuries are a leading cause of dropout from competitive sports, high insurance compensation, disability and socioeconomic marginalisation. The debilitating effect of these injuries on players may deny them the benefits associated with rugby and can lead to premature termination of a rugby career.

Objectives: To determine the prevalence, incidence and risk factors for rugby-related injuries among male Safari Sevens rugby tournament players in Kenya.

Cell Wall Dynamics in the parasitic plant () and rice pathosystem.

In the plant-plant pathosystem of rice () and the parasitic plant , cell walls from either plant are important defensive and offensive structures. Here we reveal cell wall dynamics in both and rice using simultaneous RNA sequencing. We used weighted gene co-expression network analysis (WGCNA) to home in on cell wall modification processes occurring in interactions with a resistant rice cultivar (Nipponbare) compared to a susceptible one (IAC 165).

The proportion and determinants of appropriate health seeking behavior for febrile illness among caregivers of children under-five years in Butula sub-county, Busia county, Kenya.

Background: Almost 10 million children under the age of five in Kenya, die due to fever-related diseases. In Busia, a county in Kenya, malaria accounts for 13% of all child fatalities under the age of five, a number higher than any other county. This study aimed to determine (a) proportion of appropriate health-seeking behavior and (b) determinants of health-seeking behaviors (HSBs) among their caregivers in Butula Sub-County, Busia County, as reported by the caregivers.

Utilization and associated determinants of multi-sectoral approach in zoonotic disease surveillance among animal and human healthcare workers in Nakuru County, Kenya.

Background: Zoonoses are naturally transmissible between humans and animals. Globally, they account for more than 60% of human infections, 75% of emerging infections, 2.7 million human deaths, and 10% of the total DALYs lost yearly in Africa.