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African Women PhD Students and the Covid-19 Pandemic

Munganyinka, Jeanne Pauline; Thiam, Fatoumata; Wairimu, Sylvia; Fisher, Monica; Skilton, Robert; Osiru, Moses; Achoka, Pauline; Abdulle, Sagal (The Advance Journal, 2020-12-04)

International students have faced unique challenges during the COVID-19 Pandemic. This essay shares three stories from African women doctoral students who are scholarship recipients under the Regional Scholarship and ...
Synthetic gut microbiome: Advances and challenges

A.Mabwi, Humphrey; Kim, Eunjung; Song, Dae-Geun; ShinYoon, Hyo; Pan, Cheol-Ho; Komba, Erick.V.G.; Ko, GwangPyo; HyunCha, Kwang (Computational and Structural Biotechnology Journal, 2020-12-24)

An exponential rise in studies regarding the association among human gut microbial communities, human health, and diseases is currently attracting the attention of researchers to focus on human gut microbiome research. ...
Cowpea Seed Innovation Platform: A Hope for Small Seed Producers in Mali

Kouyate, Zoumana; M. Dao, Kléouforo; Togola, Oumar; Karim Malle, Abdoul; Malle, Oumar; Diakite, Kaly; Traore, Abdoulaye (Springer Link, 2021-01-12)

Cowpea is a food crop of great importance to the people of Mali due to its contribution to food security, improvement of producers’ incomes, a price that is higher than that of cereals, and an important role in social ...
Trends towards Effective Analysis of Fluorinated Compounds Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Lorivi Moirana, Ruth; Kivevele, Thomas; Mkunda, Josephine; Mtei, Kelvin; Machunda, Revocatus (Journal of Analytical Methods in Chemistry, 2021-02-03)

Increased demand for monitoring and identification of novel and unknown fluorinated compounds (FCs) has demonstrated the need of sensitive fluorine-specific detectors for unknown FCs in both biological and environmental ...
Pressure-assisted fabrication of perovskite light emitting devices

S. A. Adeniji; J. Cromwell; J. Cromwell; D. O. Oyewole; O. V. Oyelade; Koech, Richard; D. M. Sanni; O. K. Oyewole; B. Babatope; W. O. Soboyejo (AIP Advances, 2021-02-05)

This paper presents the results of pressure-effects on performance characteristics of near-infra-red perovskite light emitting diodes (PeLEDs) using a combination of experimental and analytical/computational approaches. ...
Structural diversity consistently mediates species richness effects on aboveground carbon along altitudinal gradients in northern Ethiopian grazing exclosures

Noulèkoun, Florent; Birhane, Emiru; Mensah, Sylvanus; Kassa, Habtemariam; Berhe, Alemayehu; Mulaw Gebremichael, Zefere; Mohammed Adem, Nuru; Seyoumh, Yigremachew; Mengistu, Tefera; Lemma, Bekele; Hagazi, Nigussie; Abrha, Haftu (Science of The Total Environment, 2021-02-14)

Grazing exclosures have been promoted as an effective and low-cost land management strategy to recover vegetation and associated functions in degraded landscapes in the tropics. While grazing exclosures can be important ...
African Swine Fever Virus Circulation between Tanzania and Neighboring Countries: A Systematic Review and Meta-Analysis

N. Hakizimana, Jean; Yona, Clara; Kamana, Olivier; Nauwynck, Hans; Misinzo, Gerald (Viruses, 2021-02-15)

For over 100 years after the description of the first case of African swine fever (ASF) in Kenya, ASF virus (ASFV) cross-border spread in eastern and southern Africa has not been fully investigated. In this manuscript, we ...
Energy-Efficient Multihop Routing Framework for Cluster-based Agricultural Internet of Things (CA-IoT)

Effah, Emmanuel; Thiare, Ousmane; Wyglinski, Alexander (IEEE Xplore, 2021-02-15)

In this paper, we propose an energy-efficient multihop routing framework that is based on the total communication costs metric (E TER,min ), and implement it in a multihop clustering-based Agricultural Internet of Things ...
Multi-Objective Optimization Modeling of Clustering-Based Agricultural Internet of Things

Effah, Emmanuel; Thiare, Ousmane; Wyglinski, Alexander (IEEE Xplore, 2021-02-15)

In this paper, we propose a new multi-objective optimization (MOO) framework to maximize power consumption and coverage stability of the clustering-based Agricultural Internet of Things (CA-IoT). The planning, design, and ...
Development of Sustainable and Eco-Friendly Materials from Termite Hill Soil Stabilized with Cement for Low-Cost Housing in Chad

Aboubakar Mahamat, Assia; Linda Bih, Numfor; Ayeni, Olugbenga; Azikiwe Onwualu, Peter; Savastano, Jr, Holmer; Oluwole Soboyejo, Winston (Buildings, 2021-02-26)

This paper explores the effects of cement stabilization (5, 10, 15 and 20 wt%) on the structural and mechanical properties (compressive/flexural strengths and fracture toughness) of abandoned termite mound soil. The crystal ...
Genes and models for estimating genetic parameters for heat tolerance in dairy cattle

Habimana, Vincent; Ekine-Dzivenu, Chinyere Charlotte; Nguluma, Athumani Shabani; Nziku, Zabron Cuthibert; Morota, Gota (Frontiers in Genetics, 2021-02-27)

Dairy cattle are highly susceptible to heat stress. Heat stress causes a decline in milk yield, reduced dry matter intake, reduced fertility rates, and alteration of physiological traits (e.g., respiration rate, rectal ...
Tuning water chemistry for the recovery of greener products: pragmatic and sustainable approaches

A. O., Adeeyo; J. A., Oyetade; M. A., Alabi; R. O., Adeeyo; A., Samie; v, Makungo (RSC Advances, 2021-02-28)

The environmental impact and denaturing propensity of organic solvents in the extraction of plant bioactives pose great challenges in extraction systems. As a result, proactive consideration of procedures and evidence for ...
Prevalence and antimicrobial susceptibility profiles of Staphylococcus aureus from raw bovine milk in dairy and pastoral farms in Morogoro region, Tanzania

Kalee, Nancy E.; Gahamanyi, Noel; Hoza, Abubakar S. (German Journal of Vertinary Research, 2021-03-04)

Increased resistance of Staphylococcus aureus isolates to existing antimicrobials constitutes a major concern in human and veterinary medicine. This study aimed at determining the prevalence, antimicrobial susceptibility ...
Impact of precursor concentration on the properties of perovskite solar cells obtained from the dehydrated lead acetate precursors

M. Sanni, Dahiru; S. Yerramill, Aditya; Ntsoenzok, Esidor; A. Adeniji, Sharafadeen; V. Oyelade, Omolara; K. Koech, Richard; A. Fashina, Adebayo; L. Alford, Terry (Journal of Vacuum Science & Technology A, 2021-03-12)

In this research, we examined the impact of solution concentration on the photovoltaic and the material properties of perovskite solar cells (PSCs) obtained from dehydrated Pb-acetate precursors. The perovskite solution ...
Spatio‐temporal characteristics of meteorological drought under changing climate in semi‐arid region of northern Ethiopia

Yisehak, Biniyam; Shiferaw, Henok; Abrha, Haftu; Gebremedhin, Amdom; Hagos, Haftom; Adhana, Kelali; Bezabh, Temesgen (Environmental Systems Research, 2021-03-17)

Background: Below-normal availability of water for a considerable period of time induces occurrence of drought. This paper investigates the Spatio-temporal characteristics of meteorological drought under changing climate. ...
Comparing effectiveness, cost- and time-efficiency of control options for Xanthomonas wilt of banana under Rwandan agro-ecological conditions

Blomme, Guy; Dusingizimana, Petronille; Ntamwira, Jules; Kearsley, Elizabeth; Gaidashova, Svetlana; Rietveld, Anne; Van Schagen, Boudy; Ocimati, Walter (European Journal of Plant Pathology, 2021-03-20)

Xanthomonas wilt of banana (XW) is a major disease affecting banana throughout East and Central Africa (ECA). Initial control was through complete diseased mat uprooting (CDMU), which had limited adoption due to high labour ...
Antimicrobial Resistance Profiles, Virulence Genes, and Genetic Diversity of Thermophilic Campylobacter Species Isolated From a Layer Poultry Farm in Korea

Gahamanyi, Noel; Song, Dae-Geun; Yoon, Kye-Yoon; E. G. Mboera, Leonard; I. Matee, Mecky; Mutangana, Dieudonné; G. Amachawadi, Raghavendra; V. G. Komba, Erick; Pan, Cheol-Ho (Frontiers in Microbiology, 2021-03-29)

Thermophilic Campylobacter species are among the major etiologies of bacterial enteritis globally. This study aimed at assessing the antimicrobial resistance (AMR) profiles, virulence genes, and genetic diversity of ...
Grazing exclosures increase soil organic carbon stock at a rate greater than “4 per 1000” per year across agricultural landscapes in Northern Ethiopia

Noulèkoun, Florent; Birhane, Emiru; Kassa, Habtemariam; Berhe, Alemayehu; Mulaw Gebremichael, Zefere; Mohammed Adem, Nuru; Syoum, Yigremachew; Mengistu, Tefera; Lemma, Bekele; Hagazi, Nigussie; Abrha, Haftu; Mekonen Rannestad, Meley; Mensah, Sylvanus (Science of The Total Environment, 2021-03-29)

The establishment of grazing exclosures is widely practiced to restore degraded agricultural lands and forests. Here, we evaluated the potential of grazing exclosures to contribute to the “4 per 1000” initiative by analyzing ...
Improving the efficiency and stability of tin-based perovskite solar cells using anilinium hypophosphite additive

Okoth Obila, Jorim; Lei, Hongwei; Omolo Ayieta, Elijah; Awuor Ogacho, Alex; O. Aduda, Bernard; Wang, Feng (New Journal of Chemistry, 2021-03-31)

Tin (Sn) is a potential replacement for lead in organic–inorganic perovskite solar cell (PVSC) technology due to the attractive optoelectronic properties of Sn-perovskites. However, the poor stability of Sn2+ ions is still ...
Characterization of barite reserves in Nigeria for use as weighting agent in drilling fluid

Oluwasegun Afolayan, David; Rasak Adetunji, Adelana; Azikiwe, Peter Onwualu; Ogolo, Oghenerume; Kwasi Amankwah, Richard (Production Engineering, 2021-04-29)

Successful drilling operations are dependent on the properties of the drilling fluid used to drill wells. Barite is used as a weighting agent during the preparation of drilling fluid. Over the years, oil and gas industry ...

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