Faculty of Applied and Computer Science : Recent submissions

Now showing items 1-20 of 117

A framework for higher academic institutions in the republic of South Africa to mitigate network security threats and attacks.

Mohapi, Matrinta Josephine (Vaal University of Technology, 2017-06)

The computer networks of higher academic institutions play a significant role in the academic lives of students and staff in terms of offering them an environment for teaching and learning. These institutions have introduced ...
The preparation and catalytic activity of iron oxide silica nanofibers for the Fenton degradation of methylene blue.

Mthombo, Phindile (Vaal University of Technology, 2020)

Several industries utilize species of synthetic dyes that are found in their wastewater, which is passed out in the environment. Methylene blue is one of the organic dyes that causes water pollution. It causes damage to ...
Comparative study of open source and dot NET environments for ontology development.

Mahoro, Leki Jovial (Vaal University of Technology, 2020-05)

Many studies have evaluated and compared the existing open-sources Semantic Web platforms for ontologies development. However, none of these studies have included the dot NET-based semantic web platforms in the empirical ...
Synthesis and characterization of undoped and Ag doped TiO2, ZnO and ZnS nanoparticles for the photocatalytic degradation of 2-chlorophenol under UV irradiation.

Onkani, Shirley Priscilla (Vaal University of Technology, 2019-07-08)

Phenol, 2-chlorophenol (2-CP) is used in the manufacture of several chemical compounds including other chlorophenols, dyes, dentifrice and pesticides. The usage of these chemicals results in the discharge of 2-CP that is ...
Effect of preparation parameters of iron oxide nanoparticles on the fenton catalytic activity for the degradation of dye.

Matlhatse, Malatji (Vaal University of Technology, 2021-03)

Water polluted by recalcitrant organics, such as methylene blue (MB), can be treated with the Fenton reaction. The Fenton reaction degrades the pollutants through catalytic oxidation. Unsupported iron oxide nanoparticles ...
Photodegradation of selected pharmaceuticals using magnetic-carbon dot loaded on different TiO2 nanostructures.

Moshoeu, Edna Dimakatso (Vaal University of Technology, 2020-11)

To replace the conventional wastewater treatment technology, photocatalysis has the best potential due to its utilization of visible light to photodegrade organic and inorganic contaminants. However, agglomeration of ...
Investigation of seasonal prevalence of low pathogenic avian influenza (LPAI) in a heterogeneous wild waterfowl population in Pretoria.

Phiri, Thandeka P. (Vaal University of Technology, 2018-06)

Influenza-A virus is a single stranded negative sense RNA virus that is a member of a Orthomyxoviridae group. The virus is diverse and consists of 16 haemagglutinin (H) and 9 neuraminidase (N) glycoproteins subtypes that ...
The effect of carboxylic acids on the size and shape of Co3O4 nanoparticles: used as capping molecules and ligands in the preparation method

Thabede, P. M. (Vaal University of Technology, 2017-09-12)

This study reports the synthesis and characterization of cobalt oxide nanoparticles using a microwave technique and chemical precipitation with oxidation method. Cobalt complexes were prepared using carboxylic acids (acetic ...
Alanine, aspartic acid and lactose-capped CuS, ZnS and FeS nanoparticles: synthesis, characterization and properties

Mofokeng, Thapelo Prince (Vaal University of Technology, 2017)

Water soluble metal sulfide nanoparticles were successfully synthesized using an aqueous, simple and environmentally friendly synthetic method in the presence of ʟ-alanine, ʟ-aspartic acid and lactose, acting as both ...
Thiourea-urea metal (Cd & Ni) chalcogenide (O & S) complexes for the synthesis and characterization of metal chalcogenide nanoparticles

Masangane, Tankiso (Vaal University of Technology, 2018)

The understanding of the fundamental properties and potential use of semiconductor materials in nanotechnology has stimulated the interest of many researchers. Coordination compounds containing ligands with chalcogenide ...
Malware analysis and detection in enterprise systems

Mokoena, Tebogo (Vaal University of Technology, 2017-03)

Malware is today one of the biggest security threats to the Internet. Malware is any malicious software with the intent to perform malevolent activities on a targeted system. Viruses, worms, trojans, backdoors and adware ...
Antimicrobial activity and dye photodegradation of titanium dioxide nanoparticles immobilized on polyacrylonitrile-cellulose acetate polymer blended nanofibers.

Nkabinde, Sibongile Chrestina (Vaal University of Technology, 2019)

Electrospinning is a method that has gained more attention due to its capability in spinning a wide variety of polymeric fibers and nanoparticles embedded in polymer fibers. Polymer blending has been considered the most ...
Biodiesel Production by Transesterification of Waste Cooking Oil Using Modified Attapulgite.

Mabungela, Ntandokazi (Vaal University of Technology, 2019-10)

Biodiesel has an ability to solve the problem associated with the use of fossil fuels as a source of energy. The aim of this study was to produce biodiesel from waste cooking oil (WCO) by transesterification, catalysed ...
Virtualization performance in private cloud computing.

Thovheyi, Khathutshelo Nicholas (Vaal University of Technology, 2019-10-04)

Virtualization is the main technology that powers today’s cloud computing systems. Virtualization provides isolation as well as resource control that enable multiple workloads to run efficiently on a single shared machine ...
Mining of genes encoding for DNA-manipulating enzymes from hot springs using metagenomic techniques.

Mokoena, Morena India (Vaal University of Technology, 2019-09)

The use of conventional culture-based approach results in vast majority of microbes (90 - 99%) unaccounted for. However, over the past years, the use of metagenomics, which is a culture-independent comprehensive approach ...
Decision support framework for the adoption of software development methodologies.

Simelane, Lynette (Vaal University of Technology, 2019)

There are many software development methodologies that are used to control the process of developing a software system. However, no exact system has been found which could help software engineers in selecting the best ...
Establishing the correlation between R353Q polymorphism and haemostatic markers in a black elderly community of Sharpeville Gauteng Province South Africa.

Rodrigue, Tagne Wambo Joseph (Vaal University of Technology, 2019)

Background: In a group of the elderlies (older person) in Sharpeville, Gauteng, South Africa, the majority live in poverty with a poor nutritional status. This makes them susceptible to develop infectious diseases as well ...
Assessment of e-learning readiness in South African schools.

Kolo, Ditlalane Irene (Vaal University of Technology, 2019)

The delivery of education and/or curriculum is shifting from the traditional method of delivery to a digital format, most notably the e-learning, using available technology. However, without e-learning readiness, e-learning ...
Sequence and function based screening of the goat rumen metagenome for novel amylases.

Rabapane, Kgodiso Judith (Vaal University of Technology, 2019-09)

During one of our preliminary studies in 2015, metagenomic DNA extracted from the goat rumen was sequenced and the in silico mining of the biorefining enzyme showed the presence of significant number of different ...
A conceptual framework for crowdsourcing in higher education.

Shongwe, Thulani W. (2018-04)

The speedy growth of Internet based information and communication tools produced a new field of prospects for educational organizations to reach their aims. One of the options is crowdsourcing. Crowdsourcing was recently ...