Browsing Faculty of Sciences by Issue Date

Now showing items 1-20 of 121

A novel multi-templated Cu-Fe-Ni ion imprinted polymer for the selective and simultaneous removal of toxic metallic ions from wastewater

Stevens, Morlu, G.F. (Botswana International University of Science and Technology, 2015-04)

A novel multi-templated Cu-Fe-Ni ion imprinted powder was synthesized to demonstrate the selective and simultaneous removal of targeted ions; Cu(II), Fe(II) and Ni(II), employing molecular imprinting technology (MIT) via ...
Development of an aflatoxin B1 specific molecularly imprinted solid phase extraction sorbent for the selective pre-concentration of toxic aflatoxin B1 from child weaning food, Tsabana

Semong, Oratile (Botswana International University of Science and Technology, 2016-11)

In this thesis, the synthesis, optimization and application of a simple aflatoxin B1 (AFB1) specific extraction polymer sorbent based on molecular imprinting technology (MIT), for the selective pre-concentration of the ...
A novel molecularly imprinted polymer for the selective removal of interfering hemoglobin prior to whole blood analysis

Tabane, Tumelo Hendrick (Botswana International University of Science and Technology, 2016-11-08)

A novel, selective, sensitive, cheap and robust hemoglobin imprinted polymer (Hb-MIP) in the form of a powder, was synthesised through bulk, free-radical polymerization employing molecular imprinting technology (MIT), ...
E-procurement adoption in Botswana construction companies : an exploratory assessment using regression analysis to empirically test a conceptual model

Gaborutwe, Thero (Botswana International University of Science and Technology (BIUST), 2017-01)

Construction industry contributes significantly to the economy of many countries. It is responsible for the buildings and roads used by people in their everyday lives. However, with the amount of construction projects ...
Diversity and distribution of Lepidopteran Stemborers and their natural enemies in Botswana

Moeng, Eva (Botswana International University of Science and Technology, 2017-03)

Botswana is a country which depends mainly on cereal agriculture, done mostly by rural farmers as their major income stream. However, lepidopteran stemborers are a major constraint in the rural farmers’ cultivation of ...
Investigation of Lotsane earth fill dam for internal defects using time-lapse electrical resistivity imaging and frequency domain electromagnetic methods

Nthaba, Bokani (Botswana International University of Science and Technology, 2017-03)

Internal erosion and development of seepage pathways is an ever present concern in earth fill dams, and are a major reason for many dam failures. Internal erosional progresses that are responsible for many dam failures are ...
A novel data-mining model for automated prediction of low birth weight

Hange, Uzapi (Botswana International University of Science and Technology (BIUST), 2017-04-03)

Birth weight is one of the major factors that determine the overall future health outcomes. Predicting birth weight can enable medical practitioners to make early obstetric interventions, thus minimising complications ...
Comparative analysis of usability between text and virtual reality based expert systems for cattle diseases diagnosis

Nkabiti, Kabo Poloko (Botswana International University of Science and Technology (BIUST), 2017-04-21)

The use of cattle disease diagnosis expert systems has the ability to improve the cattle production as they would help in disease control. Particularly if the system is usable, that is, if it is efficient, effective, ...
Geology, mineralogy, geochemistry and alteration patterns of Banana zone copper-silver mineralisation , Ghanzi-Chobe belt, northwest-Botswana

Kelepile, Tebogo (Botswana International University of Science and Technology, 2017-05)

The Banana Zone Cu-Ag Prospect is within the SW-NE trending Ghanzi-Chobe Belt (GCB), which extends from the Namibia-Botswana border in the south to Shinamba Hills in the north near the Botswana-Zambia border. The Banana ...
A spatio-temporal assessment of vegetation variability and degradation in Palapye, Botswana using normalized difference vegetation index (NDVI) time series data from 1998 to 2016

Kgomo, Margaret Ontibile (Botswana International University of Science and Technology, 2017-06)

Vegetation plays a vital and important role in regulating climate, water balance and energy. This research examines vegetation variability and degradation in semi-arid Palapye, eastern Botswana. These were assessed over ...
Cross resistance to environmental stressors in Natal fruit fly, Ceratitis rosa Karsch (Diptera: Tephritidae) and its underlying physiological mechanisms

Gotcha, Nonofo (2017-06)

Plastic adjustments of physiological tolerance to a particular stressor can result in fitness benefits for resistance that might manifest not only in that same environment, but might also be advantageous when faced with ...
Structural, optical and electrical properties of undoped and co-doped Al/Ga ZnO thin films by spray pyrolysis

Makuku, Obusitswe (Botswana International University of Science and Technology, 2017-07)

Zinc oxide (ZnO) is a naturally occurring n-type semiconductor which is viewed as a promising candidate to replace indium tin oxide (ITO) in opto-electric applications, owing to its natural abundance and a wide bandgap ...
Photocatalytic and antibacterial properties of Ag/ZnO/NC nanocomposite

Lefatshe, Kebadiretse (Botswana International University of Science and Technology, 2017-07)

Recently, organic and inorganic pollutants including heavy metals, effluents, dyes, and bacteria have been removed from wastewater and other environmental settings using nanomaterials. Combining two or more nanomaterials ...
Molecular dynamics study of 2,2′-difurylmethane with n-propanol and n-butanol binary liquid mixtures

Kgagodi, Otsile William (Botswana International University of Science and Technology, 2017-07)

Liquid-liquid mixtures are ubiquitous in many natural and industrial processes. Their excess thermodynamic properties are governed by the intermolecular interactions. As such, experimental techniques such as neutron and ...
Extending the technology acceptance model to predict mobile learning adoption among tertiary education students in Botswana

Kapeko, Rachel (Botswana International University of Science and Technology (BIUST), 2017-07-24)

A new paradigm shift from eLearning to mLearning will inevitably change the learning process. There is an immense proliferation of mobile technologies however in education these technologies are not fully utilised. Thus ...
Assessing factors that influence the success of agriculture mobile information systems: a validation with the DeLone and McLean model

Phalaagae, Pendukeni (Botswana International University of Science and Technology (BIUST), 2017-07-25)

The purpose of this study is to assess the factors that influence the success of agriculture mobile information systems in Botswana. Agriculture mobile information systems have been widely adopted in the commercial and ...
Heat transfer analysis of a parabolic trough collector prototype under Botswana`s terrestrial conditions

Nthoiwa, Ndakidzilo (Botswana International University of Science and Technology, 2017-08)

Botswana has about 84 % of its land area as part of the semi-arid Kalahari desert and it experiences over 320 clear sky days per annum, with a solar insolation of 21 MJ/m2 per day on a horizontal flat surface. This favors ...
Valorized indigenous waste materials: potentially cheap and environmentally friendly adsorbents for the removal of toxic ions from wastewater

Stevens, Morlu, G.F. (Botswana International University of Science and Technology, 2017-09)

The aim of this thesis was to identify an abundant, easily available, cheap and environmentally friendly waste material(s) in our locality, Botswana, that could be valorized (rejuvenated) by subjecting it to a simple green ...
Chemical transformation and fate of lead in shooting range soils found in eastern and northern Botswana

Pilatoe-Kelebemang, Rosemary (Botswana International University of Science and Technology, 2017-09)

Ammunition used for military training and exercises has been found to contain high content of lead (Pb). The Pb present in the ammunition projectiles undergoes an array of transformation and weathering reactions when it ...
Impact assessment of long term treated wastewater discharge on heavy metal concentration in soils from Palapye east, Botswana

Kebonye, Ndiye Michael (Botswana International University of Science and Technology, 2017-09)

Issues on environmental soil quality continue to attract much global attention. Domestic wastewater is a potential source of contaminants capable of degrading the soil environment. This study reports the accumulative ...

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