Unmasking the silent epidemic: a comprehensive systematic review and meta-analysis of undiagnosed diabetes in Ethiopian adults.

Background: Undiagnosed diabetes mellitus poses a significant global public health concern, exerting a substantial impact on the well-being of individuals, their families, and societies at large. Those individuals with undiagnosed diabetes miss opportunities to maintain quality of life and prevent diabetes-related complications. Even if there are ample primary studies on undiagnosed diabetes in Ethiopia, the results reveal conflicting results.

Exploring 1,3-Dioxolane Extraction of Poly(3-hydroxybutyrate) and Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) from and Mixed Methanotrophic Strain: Effect of Biomass-to-Solvent Ratio and Extraction Time.

The increasing need for biodegradable polymers demands efficient and environmentally friendly extraction methods. In this study, a simple and sustainable method for extracting polyhydroxybutyrate (PHB) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate (PHB-co-HV) from and a mixed methanotrophic consortium with different biopolymer contents was presented. The extraction of biopolymers with 1,3-dioxolane was initially investigated by varying the biomass-to-solvent ratio (i.

Alignment analysis between teacher-made tests with the learning objectives in a selected school of central regional state of Ethiopia.

Alignment studies can offer valuable insights to educators about the effectiveness of the course objectives, assessments, and teaching. In this particular study, the aim was to determine the extent to which teacher-made tests aligned with the learning objectives of natural science subjects. The study included a total of 180 learning objectives (46 from Biology, 71 from Chemistry, and 63 from Physics) and 88 test items (30 from Biology, 30 from Chemistry, and 28 from Physics).

Environmental taxation of plastic bags and substitutes: Balancing marine pollution and climate change.

Several countries have imposed either a ban or a tax on single-use plastic packaging, motivated by their contribution to marine plastic pollution. This may lead consumers to opt for similar unregulated substitutes, potentially undermining or even counteracting the intended effect of the policy instrument. The purpose of this study is to theoretically and empirically compare the environmental and welfare effects of the first-best Pigouvian taxes on both plastic bags and a substitute (paper bags), with two alternative second-best policy instruments: a tax on plastic products alone, and a common uniform tax on all packaging materials.

Techno-economic assessment of biopolymer production from methane and volatile fatty acids: effect of the reactor size and biomass concentration on the poly(3-hydroxybutyrate-co-3-hydroxyvalerate) selling price.

Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) is a biobased and biodegradable polymer that could efficiently replace fossil-based plastics. However, its widespread deployment is slowed down by the high production cost. In this work, the techno-economic assessment of the process for producing poly(3-hydroxybutyrate-co-3-hydroxyvalerate) from low-cost substrates, such as methane and valeric acid derived from the anaerobic digestion of organic wastes, is proposed.

Polyhydroxyalkanoate recovery overview: properties, characterizations, and extraction strategies.

Due to their excellent properties, polyhydroxyalkanoates are gaining increasing recognition in the biodegradable polymer market. These biogenic polyesters are characterized by high biodegradability in multiple environments, overcoming the limitation of composting plants only and their versatility in production. The most consolidated techniques in the literature or the reference legislation for the physical, chemical and mechanical characterisation of the final product are reported since its usability on the market is still linked to its quality, including the biodegradability certificate.

Production of poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) from methane and volatile fatty acids: properties, metabolic routes and current trend.

Polyhydroxyalkanoates (PHAs) are biobased and biodegradable polymers that could effectively replace fossil-based and non-biodegradable plastics. However, their production is currently limited by the high production costs, mainly due to the costly carbon sources used, low productivity and quality of the materials produced. A potential solution lies in utilizing cheap and renewable carbon sources as the primary feedstock during the biological production of PHAs, paving the way for a completely sustainable and economically viable process.

Exploring New Strategies for Optimizing the Production of Poly(3-hydroxybutyrate--3-hydroxyvalerate) from Methane and VFAs in Synthetic Cocultures and Mixed Methanotrophic Consortia.

In this work, the potential of a synthetic coculture and a mixed methanotrophic consortium to synthesize poly(3-hydroxybutyrate--3-hydroxyvalerate) (PHBV) from renewable and waste-based feedstocks was assessed batchwise. cocultivated with and a -enriched culture previously grown on methane were subjected to nutrient starvation in a medium enriched with valeric acid (30% w w of ) or with a VFAs mixture containing acetic, propionic, butyric, and valeric acids (15% w w of ) under a CH:O or air atmosphere. For all test series, pH was adjusted to 7 after adding the cosubstrates, and a negligible substrate consumption or polymer production was considered the end point of the trial.

The co-conversion of methane and mixtures of volatile fatty acids into poly(3-hydroxybutyrate-co-3-hydroxyvalerate) expands the potential of an integrated biorefinery.

In this work, the potential of Methylocystis hirsuta to simultaneously use methane and volatile fatty acids mixtures for triggering PHBV accumulation was assessed for the first time batchwise. Biotic controls carried out with CH alone confirmed the inability of Methylocystis hirsuta to produce PHBV and achieved 71.2 ± 7 g md of PHB.

Farmers' willingness to pay for metal silo cereal storage technology in northeast Ethiopia.

In Ethiopia, cereal crops play a significant role in food security and income for most smallholder farmers. In the Gubalafto district, the environment is ideal for growing vital cereal crops such as sorghum, maize, and teff. However, various factors such as weevils, rodents, mold infestation, and lack of suitable storage materials were blamed for a post-harvest loss of cereal at the storage stage in the district.

Measuring integrated smallholder soil fertility management practices in Megech watershed, Tana sub-basin, Ethiopia.

Nowadays, a combination of natural and man-made factors has led to a decline in the physical and chemical quality of the soil. In Ethiopia, declining soil fertility and quality that lead to low agricultural production are made worse by soil erosion and nutrient depletion. Adoption and implementation of integrated soil fertility management strategies have emerged as inevitabilities in terms of development in Ethiopia generally and in the Tana sub-basin of northwest Ethiopia specifically.

SEDIMENT RADIOACTIVITY LEVELS DETERMINATION WITH THE HEALTH RISK ASSESSMENTS IN CHEFA RIVER BASIN.

The activities of the naturally occurring radionuclides 232Th, 226Ra, 40K and 238U of the shore sediments in the South Gondar Zone were determined and used to evaluate radiation hazards in the study spots. The activities of 232Th, 226Ra, 40K and 238U range from 46 to 179, 62 to 140, 125 to 449 and 72-156 Bq/kg, with the overall average of 123.07 ± 7.

Determinants of hypertension among diabetes patients attending selected comprehensive specialized hospitals of the Amhara Region, Ethiopia: An unmatched case-control study.

Background: The coexistence of diabetes mellitus and hypertension is a worldwide public health problem causing significant morbidity, mortality, and decreased quality of life. Despite the increasing burden of hypertension among patients with DM, data on determinants of hypertension among patients with DM in the Amhara region of Ethiopia is scarce. Hence, this study identified determinants of hypertension among people with diabetes attending chronic disease follow-up clinics in the Amhara region of comprehensive specialized hospitals in Ethiopia.

DETERMINATION OF RADIOACTIVITY LEVELS IN BLACK AND WHITE SANDS USED FOR BUILDINGS AND ESTIMATION OF RADIATION HAZARDS IN THE NORTH-WEST REGION OF ETHIOPIA.

One hundred and two black and white sand samples were compiled from disparate sand excavates from the affluent rivers of Lake Tana. The supreme values of 226Ra, 232Th and 40K were calculated in Bq Kg-1 units from black sand samples, while the undermost deals were found from pieces of white sand. The potential radiological health parameters were sized up by determining the radium equivalent progressively activity (Raeq), outdoor immersed gamma potion rate (Dout), annual effective potion rate, internal hazard (Hin) and external hazard (Hex) indices and gamma index from using those sands in the erection of dwellings and large buildings.

A systematic review and meta-analysis of the Ethiopian cohort of adult hypertensive people's adherence to healthy behaviors.

Background: Adherence to healthy behavior has become increasingly important in recent years for better blood pressure management. For the management and prevention of hypertension, it is a strong recommendation. But there have been a number of observational studies conducted in Ethiopia on hypertensive people's healthy lifestyle choices.

Sustainable Process for the Production of Poly(3-hydroxybutyrate--3-hydroxyvalerate) from Renewable Resources: A Simulation Study.

Bacterially produced polyhydroxyalkanoates are valuable substitutes for petrochemical plastics, but their current production capacities are very scarce. Producing poly(3-hydroxybutyrate--3-hydroxyvalerate) (PHB--HV) from methane and odd-chain carbon fatty acids could make the production of this biodegradable polymer cost-effective. This study analyzes the main factors affecting methanotrophic growth and poly(3-hydroxybutyrate--3-hydroxyvalerate) accumulation, simulating a pilot-scale process based on a double-stage approach.

Analysis of speed of improved maize (BH-540) variety adoption among smallholder farmers in Northwestern Ethiopia: count outcome model.

Low maize yield and productivity are major contributors to Ethiopia's severe food insecurity and poverty. Generous efforts have been made by various stakeholders such as producers, and governmental and non-governmental organizations, to increase the country's maize yield and productivity. However, the outcome is not as expected to achieve food security and poverty reduction.

Level of dietary adherence and determinants among type 2 diabetes population in Ethiopian: A systemic review with meta-analysis.

Background: The beneficial effect of the dietary practice is significant reduction in the risk of developing diabetes related complication. Dietary practice among type 2 diabetes is not well-implemented in Ethiopia. Up to now, in the nation, several primary observational studies have been done on dietary adherence level and its determinants among type 2 diabetes.

Poly(3-hydroxybutyrate) production from methane in bubble column bioreactors: Process simulation and design optimization.

The pressing problem posed by plastic pollution has led to other, environmentally friendly alternatives, such as polyhydroxyalkanoates. This work proposes an innovative process to produce poly(3-hydroxybutyrate) by replacing expensive substrates, such as sugars, with methane. A two-step process was simulated: a first fermentation is performed in a continuous mode for 20 days to grow a strain belonging to the genus Methylocystis, while a second semi-continuous and nitrogen-limited fermentation is employed to induce the poly(3-hydroxybutyrate) accumulation within 12 days.

"I die silently inside". Qualitative findings from a study of people living with HIV who migrate to and settle in Canada.

We report on qualitative findings from a mixed methods study, examining enacted and internalized stigma during mandatory HIV screening among immigration applicants living with HIV in Canada. Qualitative findings show alignment with characteristics of internalized HIV stigma. We conducted 34 semi-structured interviews, and analyzed the data through thematic analysis, using Intersectionality and the Internalized HIV Stigma Scale as our theoretical and analytical frameworks.

The burden of stroke and modifiable risk factors in Ethiopia: A systemic review and meta-analysis.

Background: The burden and contribution of modifiable risk factors of stroke in Ethiopia are unclear. Knowledge about this burden and modifying risk factors is pivotal for establishing stroke prevention strategies. In recent decades, the issue of lifestyle and behavioral modification is a key to improve the quality of life.