Accelerating Discovery

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Latest Published Articles

Development and testing of a vertical-spikes shelling machine for bambara groundnuts

December, 2022 - Vol 18 Num. 12

This paper aim to develop a low-cost Bambara groundnuts sheller that uses vertical spikes as the shelling mechanism. A vertical spike shelling machine was designed, constructed and evaluated. The Bambara groundnut shelling machine consisted of a hopper, shelling system, frame, motor and power transmission system. The...

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Heavy metals levels and adult health risk assessment in horticultural systems in Mbare Musika and Mutoko, Zimbabwe

December, 2022 - Vol 18 Num. 12

Levels of cadmium, chromium, cobalt, nickel and lead were determined in cabbages, tsunga (mustard), green beans and tomatoes from Mbare Musika vegetable market in Harare and one of its major supplier, Mutoko. Cabbages and tsunga exceeded the stipulated safe limit for lead levels whereas the tomatoes and sugar beans went...

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Assessing the host status of banana and other plant species to the enset root mealybug Paraputo ensete (Williams & Matile-Ferrero) (Hem.: Pseudococcidae) in Ethiopia

December, 2022 - Vol 18 Num. 12

Ninety backyard gardens in the south-eastern Ethiopian highlands with enset (Ensete ventricosum (Welw.) Cheesman), banana and various annual crops were assessed for the presence of enset root mealybugs (Paraputo ensete (Williams & Matile-Ferrero)). This study presents the first observation of enset root mealybugs on...

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Production of maize-soybean complementary foods fortified with crayfish, bonga fish and carrot flours rich in essential nutrients

December 2022 - Vol 16 Num. 12

Blends of maize-soyabean complementary foods were fortified with foods rich in calcium, iron, zinc and vitamin A. Crayfish, bonga fish, and carrot that were processed into flours separately and blended in ratios (2:1:1 w/w) to produce food fortificant. Maize flour, soyabean flour and fortificant were mixed in the ratio of...

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Analysis of different extraction solvents: Influence on some properties of aerial yam (Dioscorea bulbifera) starch

December 2022 - Vol 16 Num. 12

Starch was extracted from aerial yam (Dioscorea bulbifera) using water, sodium hydroxide, ammonium oxalate, and oxalic acid as extraction solvents, oven-dried at 45°C for 24 h, and milled to flour. The starch obtained was evaluated for yield, chemical and functional properties using standard procedures. The sensory...

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Phytate degradation in composite wheat/cassava/sorghum bread: Effects of preincubation of Pichia kudriavzevii TY13 and presence of yeast extract

December 2022 - Vol 16 Num. 12

Diet based on whole cereal flours is associated with a high prevalence of iron deficiency anemia and zinc deficiency in low/middle-income countries. Such flours contain high content of phytate that chelates minerals such as iron and zinc, making them unavailable for absorption by humans. To improve the mineral absorption,...

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Uncooled PV cell under variable light concentration: Determination of profiles of the temperature, the intrinsic properties and the carrier density

October-December, 2022 - Vol 17 Num. 3

Studies on concentrated light influence do not take into account the effect of the heating and this proves to be harmful on photovoltaic parameters. The main purpose of this work is to study the effects of light concentration and the heating caused by this concentration on intrinsic properties and carrier density profile....

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Effect of household income and expenditure on tertiary school enrolment in Nigeria

July-December 2022 - Vol 14 Num. 2

The bounds testing (augmented autoregressive distributed lag, ARDL) technique to cointegration was used in this study to investigate the effect of household income and expenditure on tertiary school enrolment in Nigeria from 1970 to 2020. The model was employed to estimate the relationship between these three variables...

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Bioactive evaluation for wound healing of stem back extracts of Acacia nilotica Linn. (Fabaceae)

October-December 2022 - Vol 14 Num. 3

Acacia nilotica (Linn) is an important medicinal plant, found in Africa, the Middle East, and the Indian subcontinent as well as in Sokoto State, Nigeria. It has been utilized to treat wounds and intestinal disorders among other uses. It has been estimated that nearly 6 million people suffer from chronic wounds worldwide....

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The account of teaching qualitative research method in accounting program in Brazil

November 2022 - Vol 17 Num. 11

This study investigates the reflexive relationship between the challenges encountered during the development and teaching of the qualitative research method (QARM) program and the stories of PhD students about their experiences with the course. The study is based on a number of pedagogical issues drawn from postgraduate...

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Phytochemical study and anti-radical activity of extracts from the oil seeds of Desbordesia glaucescens (Engl.)Tiegh. from Gabon

November, 2022 - Vol 16 Num. 11

The report focused on the extraction of oilseeds of Desbordesia glaucescens (Engl.) Tiegh. from Gabon as well as on the phytochemical study and evaluation of the anti-free radical activity of the extracts obtained. The extraction was carried out by cold maceration with solvents of increasing polarities: hexane,...

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Mercury pollution in Africa: A review

July-December, 2022 - Vol 14 Num. 2

Since the Minamata conference, the scientific and professional worlds (gold industry, metal extraction, health) have come together to conduct research and raise awareness of the effects of mercury (Hg) in the environment, particularly on public health. Africa has not remained on the sidelines of these events, which have a...

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Analysis of newspaper coverage of world cancer day: A study of select newspapers in Nigeria

October-December 2022 - Vol 14 Num. 4

The rate at which cancer claims the lives of people around the world has been a matter of global concerns. In keeping with the desire to fight cancer and save the world, the United Nations and Union for International Cancer Control (UICC) established world cancer day aimed to unite the global community on the fight...

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Letter #5: Reflexions on perception-action in the creative process of Entre voos e quedas

July-December 2022 - Vol 12 Num. 1

This article reflects on the artistic research that originated the video-performance Entre voos e quedas. In this research, the interaction between the authors during the creative process is discussed anchored on a perception-action perspective, even when the authors were apart during the COVID-19 pandemics. Also...

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Antibacterial Activities of selected Medicinal Plants Against Salmonella typhi, Salmonella paratyphi A, B and C, Clinical Isolates in North Central, Nigeria.

November 2022 - Vol 21 Num. 11

The aim of the research was to investigate the antibacterial activities and the phytochemical properties of aqueous and ethanolic extracts of Mango (Mangifera indica) and Neem (Azadirachta indica) leaves, on clinical isolates of Salmonella typhi, Salmonella paratyphi A, B and C, in Lafia, Nigeria. The agar well diffusion...

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Improved SSRs-based genetic diversity assessment of coconuts (Cocos nucifera L) along the coast of Kenya

November 2022 - Vol 21 Num. 11

Coconut is the most important cash crop along the Coast of Kenya, yet its genetic diversity has not been fully established. Genetic diversity study of 48 coconut genotypes, collected at the Coastal Kenya was conducted with 13 polymorphic short sequence repeats (SSRs) markers. SSR analysis was performed using...

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Evaluation of Fagara zanthoxyloïdes and Mucuna pruriens extracts phenolic profile and their in vitro antioxidant activity

November 2022 - Vol 21 Num. 11

In this study, the antioxidant activity and phytochemical analysis of extracts from the bark of Fagara zanthoxyloides and seeds of Mucuna pruriens were performed. Phytochemical analysis quantified total polyphenols, flavonoids, tannins and anthocyanins and the antioxidant activity was evaluated by DPPH method. The high...

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Toxicological assessment of ethanolic extracts of Annona senegalensis and Trichilia prieureana in the treatment of type 2 diabetes in Benin

July-December 2022 - Vol 13 Num. 2

The use of medicinal plants in traditional medicine is common practice in developing countries. However, such unregulated and unreasonable use may pose a risk in short or long-term toxicity to humans. The aim of this study was to investigate the phytochemical and toxicological characteristics of Annona senegalensis and...

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The metaphysical views on causation among Batswana: implications for case conceptualization, diagnoses, and treatment in counseling

October-December 2022 - Vol 14 Num. 3

This study focused on how counsellors in Botswana handle belief systems, spiritual, and religious orientations of clients. It explored common beliefs clients up-held about what causes distress. It explored ways in which counsellors addressed clients’ indigenous cultural beliefs and perceptions about the origins of...

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Quantile regression, a little-known analysis option in psychological research

October-December 2022 - Vol 14 Num. 3

Binary logistic regression is a well-known and widely used regression technique in psychology and health sciences. This technique allows the introduction of all types of regressors and is very flexible in terms of assumptions; it requires a random sample of n participants evaluated on k predictor variables that show low...

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