Browsing All Electronic Theses and Dissertations by Title
Now showing items 4537-4555 of 4555
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Yeast diversity in blue mould ripened cheeses
(University of the Free State, 2003-01)English: Blue veined cheese is considered a speciality cheese and is not as popular as other cheese varieties, such as Cheddar or Gouda. Their popularity is however increasing worldwide making it important to study their ... -
Yeast diversity in white mould-ripened cheeses
(University of the Free State, 2002-01)Surface mould-ripened cheeses represent a small proportion of world cheese production. However, these cheeses are becoming increasingly popular with the consumer, as there is an increasing demand for it (Gripon, 1987). ... -
Yeast sensors reveal chloroquine as yeast fertility drug
(University of the Free State, 2013-11)English: Previous unpublished research by Kock and co-workers indicated that the antimalarial drug chloroquine (CQ) stimulates yeast sexual stages (biosensors). Consequently several indicator yeasts (Eremothecium ashbyi, ... -
A yeast-based assay for detection of mutations in the human p16 gene
(University of the Free State, 1999-05)Cyclin-dependent kinases (CDKs) are crucial regulators of the cell cyele. CDKs themselves are subject to control by both cyelins and CDK inhibitors. Among the inhibitors, p 16 is very prominent, since it has been found ... -
Yeasts as adjunct starter cultures in cheese making
(University of the Free State, 2011-01)A literature review on the role and presence of microorganisms in cheese was reviewed. The biochemical pathways involved in the cheese manufacture from the milk to the resultant cheese curd at the end of manufacturing were ... -
Yeasts from Lesotho: their classification and possible applications
(University of the Free State, 2004-11)In view of the decline of natural habitats due to urban and industrial development, the need to search for new yeasts is pressing since few natural habitats have been thoroughly investigated for yeast species. Yeasts have ... -
Yield and fruit quality assessment of cactus pear (Opuntia ficus-indica (L.) Mill.) treated with natural bio-stimulants
(University of the Free State, 2004-11)English: In arid and semi-arid regions of South Africa, both subsistence and commercial farmers experience economic pressure due to varying prices of staple crops such as maize and wheat as well as weather uncertainties. ... -
Yield and quality response of hydroponically grown rose geranium (Pelargonium SP.) to changes in the nutrient solution and shading
(University of the Free State, 2012)This study was undertaken to determine the effect of different concentrations of phosphate, ammonium, nitrate, and sulphate as well as that of shading and moisture stress on oil yield and quality of hydroponically grown ... -
Yield stability and mega environment analysis based on the performance of quality protein maize in Sub-Saharan Africa
(University of the Free State, 2013-06-30)English: Quality protein maize (QPM) which is nutritionally enhanced, has the potential to alleviate malnutrition and related diseases in communities where maize is a dietary staple and often the only source of proteins. ... -
Young and upwardly mobile: voices from historically disadvantaged groups
(University of the Free State, 2015-02)English: South Africa’s first democratic elections in 1994 signalled a fundamental shift in the country’s social environment. The institutionalized racism that once subjugated the Black majority during apartheid gave way ... -
Youth in conflict with the law: an exploration of socio-criminogenic risk factors
(University of the Free State, 2019)Criminal Justice in South Africa has endured a period of evolution, having progressed from colonialism to apartheid to democracy. Yet, law violations remain a fundamental challenge in contemporary South Africa. As what ... -
Youth ministry in the Christ Church Lahore
(University of the Free State, 2008-11)English: This research is concerned with the complex situation in which the youth of the Christ Church Lahore find themselves. One of the key problems is that the youth do not have a sound knowledge of the Bible, which ... -
Zimbabwe urban grooves music and the interconnections between youth identities and celebrity culture
(University of the Free State, 2018-08)Zimbabwe urban grooves music is an urban contemporary hybrid genre of music that fuses local music, beats and cultural practices with global popular youth music and cultural practices, is sung predominantly in vernacular ... -
Zimbabwe-South Africa interstate relations, 1980-1999
(University of the Free State, 2018-12)English: The thesis is an examination of Zimbabwe’s interstate relations with South Africa between 1980 and 1999. Using sources that include diplomatic correspondence, newspapers, legislative debates, official reports ... -
Zimbabwean teachers' perceptions and experiences of instructional leadership
(University of the Free State, 2018-12)While there is overwhelming evidence regarding the impact of instructional leadership on student learning and outcomes (Leithwood et al., 2014; Mendels, 2012), there is far less knowledge and little systematic research on ... -
Zimbabwean teachers' perspectives on the history subject panels as an innovation for professional development
(University of the Free State, 2017-01)English: The purpose of the study was to establish, from the perspective of the teachers, the efficacy of history subject panels as an innovation for professional development. Specifically, the study focused on gaining ... -
Zirconium and hafnium separation in different inorganic and natural compounds
(University of the Free State, 2018-09)Zirconium (Zr) and hafnium (Hf) co-exist in the mineral zircon ore and its treated modified form, namely Plasma-Dissociated Zircon (PDZ), which always contain a small amount of Hf ranging between 1-3 %. The physical and ... -
Zooplankton of the Okavango Delta and associated basins in Botswana
(University of the Free State, 2016-07)English: The Okavango Delta, one of the most iconic wetlands on the planet, is the third largest Ramsar site and in 2014 was listed as the 1000th UNESCO World Heritage Site. It is situated in the centre of the Kalahari ... -
ʼn Vergelykende pluraliteitsanalise van die hantering van kulturele diversiteit, toegepas op Suid-Afrika, die Verenigde State van Amerika en Australië
(University of the Free State, 2015-08-07)English: This study investigates the management of the conflict and struggles that arise when a variety of cultural groups reside in one society, under one political system (plurality). As various groups endeavour to ...