Results 81 to 90 of about 1,283,435 (315)

Epidemiology of Coxiella burnetii infection in Africa: a OneHealth systematic review [PDF]

, 2014
Background: Q fever is a common cause of febrile illness and community-acquired pneumonia in resource-limited settings. Coxiella burnetii, the causative pathogen, is transmitted among varied host species, but the epidemiology of the organism in Africa
A Benkirane, A Benslimani, A Corwin, A Omezzine-Letaief, A OmezzineLetaief, A Rekiki, A Znazen, AA Adesiyun, AA Adesiyun, AP Schutte, AR Kamga-Waladjo, B Adu-Addai, B Gummow, BD Perry, BP Mmbando, C Geiger, C Karema, D Schellenberg, E Angelakis, E Schelling, Elizabeth A. Reddy, EM Scrimgeour, F Scolamacchia, G Maartens, GA Ki-Zerbo, GM Blanc, H Tissot-Dupont, H Tissot-Dupont, HG Nahed, HT Dupont, J Domenech, J Julvez, JA Crump, JB Haumesser, JG Ayres, JH McQuiston, Jo E. B. Halliday, John A. Crump, L Epelboin, L Luoto, M Berri, M Georgiev, M Maurin, M Prabhu, M. Kariuki Njenga, Matthew P. Rubach, MO Hussien, N Kaabia, NM Anstey, P Brouqui, PE Fournier, R Gidel, R Gidel, R Kobbe, S Koulla-Shiro, S Koulla-Shiro, S Mazeri, Sarah Cleaveland, Sky Vanderburg, SMS Amal, SP Fiorillo, SR Manock, W van der Hoek, W van der Hoek, W van der Hoek, WF Amin, WP O'Meara, Y Maurice   +67 more
core   +4 more sources

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

Think Piece: Working for Living - Popular Education as/at Work for Social-ecological Justice

Southern African Journal of Environmental Education, 2020
Drawing on the working lives of popular educators who are striving for socioeconomic and socio-ecological justice, we demonstrate how popular education is a form of care work which is feminised, often undervalued and unrecognised as highly skilled work.
Jane Burt , Anna Katharine James, Shirley Walters, Astrid von Kotze   +3 more
doaj  

Electrochemically Reduced Graphene Oxide Pencil-Graphite in situ Plated Bismuth-film Electrode for the Determination of Trace Metals by Anodic Stripping Voltammetry

International Journal of Electrochemical Science, 2014
An electrochemical platform was developed based on a pencil-graphite electrode (PGE) modified with electrochemically reduced graphene oxide (ERGO) sheets and in conjunction with an in situ plated bismuth-film (ERGO-PG-BiE).
Keagan Pokpas, Salma Zbeda, Nazeem Jahed, Nuralli Mohamed, Priscilla G. Baker, Emmanuel I. Iwuoha   +5 more
doaj   +1 more source

Fighting for White Rule in Africa: The Central African Federation, Katanga and the Congo Crisis 1958-1965 [PDF]

, 2007
This article assesses the role of the Central African Federation (CAF) of Southern Rhodesia, Northern Rhodesia and Nyasaland in the turmoil surrounding Belgium’s withdrawal from the Congo in June 1960.
Hughes, M
core  

Were rivers flowing across the Sahara during the last interglacial? Implications for human migration through Africa. [PDF]

, 2013
Human migration north through Africa is contentious. This paper uses a novel palaeohydrological and hydraulic modelling approach to test the hypothesis that under wetter climates c.100,000 years ago major river systems ran north across the Sahara to the ...
Barton, Nick, Brücher, Tim, Coulthard, Tom J., Ramirez, Jorge A., Rogerson, Mike   +4 more
core   +2 more sources

The Bitter Taste of Brazil's Temporary Import Ban on Robusta Coffee

Agribusiness, EarlyView.
ABSTRACT Brazil, a leading Robusta coffee producer and exporter, faced a significant drought in 2016–2017, which drastically reduced production and depleted stocks. Consequently, Brazil temporarily permitted the import of one million 60‐kg bags of Robusta coffee in the spring 2017. An import ban was imposed shortly afterward due to lobbying by domestic
Hanifi Otgun, John Beghin, Fernando Maximiliano   +2 more
wiley   +1 more source

Practices and trends in clinical trial registration in the Pan African Clinical Trials Registry (PACTR): a descriptive analysis of registration data

BMJ Open, 2022
Duduzile Edith Ndwandwe, Charles Shey Wiysonge, Lindi Mathebula, Elizabeth Pienaar, Ameer Hohlfeld, Sinazo Runeyi   +5 more
doaj   +1 more source

A low-cost flow cytometric assay for the detection and quantification of apoptosis using an anionic halogenated fluorescein dye

BioTechniques, 2008
We describe here a technical improvement of an established colorimetric method used to detect and measure the occurrence of apoptosis in mammalian cells during in vitro cell culture. This assay uses an anionic halogenated fluorescein dye that is taken up
Mervin Meyer, Magbubah Essack, Stonard Kanyanda, Jasper G. Rees   +3 more
doaj   +1 more source

Trade trends from 2000 to 2008 for agriculture, forestry and fisheries of the Western Cape [PDF]

This paper aims to identify trade trends for primary products from the Western Cape agricultural, forestry and fisheries sector for the period 2000 until 2008. Annual trade data was received from the South African Revenue Service (SARS).
Jacobs, Elne, Punt, Cecilia
core   +1 more source