Results 41 to 50 of about 257,341 (297)

Unleashing the Power of P‐N Heterojunctions: Optimizing Water Electrolysis Efficiency Through a Cathode‐Driven Electrocatalyst Synergy

Advanced Science, EarlyView.
This groundbreaking contribution to water electrolysis demonstrates that MoSe2/PANI electrocatalysts with a P–N heterojunction effectively balance the overall electrolysis reaction as the cathode, enhance anode performance, and achieve high‐efficiency, low‐energy, simultaneous hydrogen and oxygen production, revealing that the P–N heterojunction ...
Kumasser Kusse Kuchayita, Wei‐Nien Su, Chih‐Chia Cheng   +2 more
wiley   +1 more source

Prevalence and risk factors of hypertension and diabetes among persons living with HIV in Zambia: results of a national facility‐based cross‐sectional survey

Journal of the International AIDS Society
Introduction Despite growing evidence on the rising burden of non‐communicable diseases (NCDs) in sub‐Saharan Africa, the national prevalence of hypertension, prediabetes and diabetes among persons living with HIV (PLHIV) in Zambia is largely unknown ...
Chomba Mandyata, Sivile Suilanji, Samuel Bosomprah, Paul Somwe, Cosmas Zyambo, Mwiche Musukuma, Aggrey Mweemba, Malizgani Paul Chavula, Chipefwe Sichilima, Phoebe Bwembya, Mpanji Siwingwa, Richard Chibale, Henry Phiri, Joseph Zulu, Halwindi Hikabasa, Wilbroad Mutale   +15 more
doaj   +1 more source

COVID-19 positive cases among asymptomatic individuals during the second wave in Ndola, Zambia

African Journal of Laboratory Medicine, 2023
Background: Coronavirus disease 2019 (COVID-19) is a worldwide public health concern for healthcare workers. About 80% of cases appear to be asymptomatic, and about 3% may experience hospitalisation and later die.
Jonathan Gwasupika, Victor Daka, Justin Chileshe, Moses Mukosha, Steward Mudenda, Bright Mukanga, Ruth L. Mfune, Gershom Chongwe   +7 more
doaj   +1 more source

Livestock Tango: U.S. and Latin America Dance Together, but Who Will Lead?

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT This study examines the competitiveness between Latin American and U.S. livestock and meat sectors. We employ a computable general equilibrium modeling framework to evaluate two scenarios: coordinated improvements in Latin American productivity, transport efficiency, and market access (Scenario I), and the minimum productivity gains required ...
Taís C. Menezes, Amanda M. Countryman, Dustin L. Pendell   +2 more
wiley   +1 more source

Kenyan Farmers' Policy Priorities During Economic Crisis and Stability: Insights From a Best‐Worst Scaling Experiment

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT Amid rising food and fertilizer prices, understanding farmers' policy preferences is critical for effective crisis response. We use best‐worst scaling experiment to assess Kenyan mobile‐owning crop farmers' preferences for government support under high and normal price scenarios.
Mywish K. Maredia, John Olwande, Jacob Ricker‐Gilbert, David L. Mather, Nicole M. Mason   +4 more
wiley   +1 more source

Sustainable Productivity Growth in Agriculture: The Role of Shifts in R&D Investments and Technology

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT The objective of the paper is to evaluate the long‐term prospects of sustainable productivity growth linked to plausible assumptions on public agricultural R&D investments as the key productivity driver. Second, it investigates the role of changing R&D focus from yield maximization to input saving technologies (fertilizers and pesticides). The
Zuzana Smeets Křístková, Michiel van Dijk, Robert M'Barek, Hans van Meijl, Tomas Ratinger   +4 more
wiley   +1 more source

Evidence of EBV infection in lymphomas diagnosed in Lusaka, Zambia

The Pan African Medical Journal, 2018
INTRODUCTION: Epstein-Barr virus (EBV) is a ubiquitous virus that infects more than 90% of the world's population, and is implicated in lymphoma pathogenesis.
Doris Kafita, Trevor Kaile, Evans Malyangu, Rabecca Tembo, Ephraim Zulu, Chrispin Chisanga, Annie Kalonda, Mulemba Samutela, Pascal Polepole, Geoffrey Kwenda   +9 more
doaj   +1 more source

Descriptive analysis of men’s sexual behaviour in sub-Saharan Africa: Simplicity-parsimony approach

Cogent Arts & Humanities, 2020
The interconnection between men’s sexual behaviour as a contributor to burden of reproductive and sexual health diseases in sub-Saharan Africa are often presented with complex and sophisticated statistical analyses with little or no comprehension among ...
Emmanuel O. Amoo, Bola L. Solanke, Abiodun I. Amoo, Wusu Onipede, Uyi E. Osadolor   +4 more
doaj   +1 more source

Can outsourcing pest and disease control help reduce pesticide expenditure? Evidence from rice farmers

Agribusiness, EarlyView.
Abstract Outsourcing pest and disease control (PDC) has grown rapidly worldwide, especially in developing countries. Although numerous studies have investigated various advantages of outsourcing PDC, little is known about its impact on pesticide expenditure.
Pengcheng Wang, Wanglin Ma, Mengling Diao   +2 more
wiley   +1 more source

The Power of Unity: Collective Action and Smallholder Agricultural Performance in West Africa

Agribusiness, EarlyView.
ABSTRACT We analyze the impact of collective action through farmer‐based organizations (FBOs) on smallholders' farm performance and income inequality in Ghana, Benin, The Gambia, and Mali. We find that FBO membership increases cereal yield in Ghana and The Gambia, legume yield in Mali, ruminant numbers in Benin and The Gambia, and total farm income in ...
Emmanuel Donkor, Bright Owusu Asante, David Boansi, Victor Owusu   +3 more
wiley   +1 more source