Browsing Faculty of Science by Issue Date
Now showing items 1-20 of 312
-
Release of 7-methyIguanine residues whose imidazole rings have been opened from damaged DNA by a DNA glycosylase from Escherichia coli
(Oxford University Press, 1979-05)Double-stranded DNA containing 7-methylguanine residues whose imidazole rings have been opened, i.e. 2, 6-diamino-4-hydroxy-5—N-methylformamidopyrimidine residues, may be prepared by treatment of DNA with dimethyl sulphate ... -
Managing Pasturelands Under the Communal Land Tenure System
(Ministry of Agriculture, Co-operatives and Marketing , Lesotho and Unites States Agency for International Develoment, Lesotho Agricultural production and Institutional Support (LAPIS) Project., 1991-09) -
Zimbabweans Who Move: Perspectives On International Migration In Zimbabwe
(Idasa and Queens University, 2002) -
The New Brain Drain From Zimbabwe
(Idasa and Queen's University, 2003) -
Skilled Health Professionals' Migration And Its Impact On Health Delivery In Zimbabwe
(University of Oxford, 2004)The paper investigates the magnitude of migration of health professionals from Zimbabwe, the causes of such movements and the associated impacts on health care delivery. International migration of health professionals ... -
Early Departures: The Migration Potential Of Zimbabwean Students
(Idasa and Queen's University, 2005) -
Medical Leave: The Exodus Of Health Professionals From Zimbabwe
(Idasa and Queen's University, 2005) -
Nurse Migration From Zimbabwe: Analysis Of Recent Trends And Impacts
(Blackwell Publishing Ltd, 2005)The migration of nursing professionals from developing countries such as Zimbabwe to industrialised countries is taking place at an alarming rate, with little signs of slowing down. In Africa, nurses form the backbone of ... -
Degrees Of Uncertainty: Students And The Brain Drain In Southern Africa
(Idasa and Queen's University, 2005) -
On cestode and digenean parasites of Clarias gariepinus (Burchell, 1822) from the Rietvlei Dam, South Africa
(Onderstepoort Journal of Veterinary Research, 2006-01-23)Sharptooth catfish, Clarias gariepinus, from the Rietvlei Dam near Pretoria, South Africa were examined for internal platyhelminth parasites. Two adult cestodes, Polyonchobothrium clarias (stomach) (prevalence 71 %, mean ... -
The Spatial Distribution of Elephants (loxodonta Africana) in Relation to the Spatial Heterogeneity of Vegetation Cover in a Southern African Agricultural Landscape
(2006-02-15)We tested whether and how the probability of African elephant (Loxodonta Africana) presence was related to spatial heterogeneity of vegetation cover and in the agricultural landscape of the Sebungwe region in northwestern ... -
Unsteady contact melting of a rectangular cross section material on a flat plate.
(American Institute of Physics, 2008-10-06)The work in this paper concerns a mathematical model of the contact melting process of a rectangular material in contact with a hot plate. The problem is described by a coupled system of heat equations in the solid and ... -
Effect of treating Schistosoma haematobium infection on Plasmodium falciparum-specific antibody responses
(BioMed Central, 2008-11-17)The overlapping geographical and socio-economic distribution of malaria and helminth infection has led to several studies investigating the immunological and pathological interactions of these parasites. This study focuses ... -
Diversity of metazoan parasites of the African catfish Clarias gariepinus Burchell, 1822) as indicators of pollution in a subtropical African river system
(Cambridge University Press 2009, 2009-09-18)The relationship between parasite species diversity and organic pollution in the upper Manyame catchment, Zimbabwe, was investigated between October 2006 and January 2007. The parasite assemblage comprised 13 species in ... -
Downregulation of MIP-1α/CCL3 with praziquantel treatment in Schistosoma haematobium and HIV-1 co-infected individuals in a rural community in Zimbabwe
(BioMed Central, 2009-10-23)Chemokines have been reported to play an important role in granulomatous inflammation during Schistosoma mansoni infection. However there is less information on their role in Schistosoma haematobium infection, or on the ... -
Parasite hybridization in African Macrogyrodactylus spp. (Monogenea, Platyhelminthes) signals historical host distribution
(Cambridge University Press, 2010-01-21)Macrogyrodactylus spp. from the gills of Clarias gariepinus in Zimbabwe and Kenya, and C. anguillaris in Senegal were identified using haptoral sclerite morphology and by sequencing the nuclear ribosomal DNA internal ... -
An overview of non-nickeliferous weathering crusts in Eastern Cuba
(High Institute of Mining and Metallurgy (ISMM), 2010-06)This paper presents an overview of the studies in non-nickeliferous weathering crusts initiated more than six decades ago in Eastern Cuba. This overview is based on a detailed literature review and a descriptive-critical ... -
Modeling gonorrhea and HIV co-interaction.
(Elsevier, 2010-09-14)A mathematical model was designed to explore the co-interaction of gonorrhea and HIV in the presence of antiretroviral therapy and gonorrhea treatment. Qualitative and comprehensive mathematical techniques have been used ... -
Semi-quantitative mineralogical valuation of the non-nickeliferous weathering crusts in the northeast of Cuba
(High Institute of Mining and Metallurgy (ISMM), 2010-12)This study presents a semi-quantitative mineralogical evaluation of the non-nickeliferous weathering crusts in the areas of Baconal, El Culebro, Caimanes and Farallones in the northeast of Cuba. The main objective of this ... -
Efficacy of integrated school based de-worming and prompt malaria treatment on helminths -Plasmodium falciparum co-infections: A 33 months follow up study
(BioMed Central, 2011)The geographical congruency in distribution of helminths and Plasmodium falciparum makes polyparasitism a common phenomenon in Sub Saharan Africa. The devastating effects of helminths-Plasmodium co-infections on primary ...