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Mthi Mthimkhulu
Mthi Mthimkhulu from the University of the Free State, finishing first in the men’s 400-metre race, surpassing NWU runners-up.

The University of the Free State (UFS) athletics team secured a top five slot at the 2025 University Sports South Africa (USSA) Track and Field Championships, earning fourth place at the event, hosted at the Pilditch Stadium in Pretoria from 1 to 3 May.

University athletes from across South Africa gathered for the championships, which is a key fixture on the USSA calendar. After delivering stellar performances across a broad spectrum of events, UFS went up against 21 other participating universities in various track and field categories.

The standout female athletes at this year’s event were Gabriella Marais, Nicola Gibbon, Lizandré Mulder, and Tyla Wasmüth. Marais scored a first-place finish in the women’s 100-metre race and came second in the women’s 200-metre category. Gibbon, who participated in the women’s 400-metre category, scored third position. Mulder took third and first place in the 5 000-metre and 3 000-metre women’s steeplechase categories respectively. Wasmüth placed in the top three in the women’s shot put and discus throw.

The male athletes who stood out by grabbing first-place wins in their respective categories were Mthi Mthimkhulu in the men’s 400-metre race, Molifi Mohlomi in the men’s 800-metre race, and Wernich van Rensburg in the men’s 400-metre hurdles. Dumisani Motloung took third place in the men’s 1500-metre category, and Samkelo Dlamini took second place for the long jump field sports category.

KovsieSport’s Kesaoleboga Molotsane, UFS Sport Manager for athletics, said the UFS coaching staff need to be kept motivated, as they are the first point of contact with their sports stars. “Unlike team sports, we work with individual athletes who require different and various attention. We only need to motivate the athletes to continue working hard, to study hard, and balance out their responsibilities.” She added that individual performances and athlete placements all helped UFS achieve its overall fourth place at the USSA Championships.

Kovsies can look forward to seeing Mthi Mthimkulu at the World Athletics Relays championships, taking place in China this weekend (10 and 11 May). He’ll be representing South Africa and will be the only Kovsie attending.

Mthimkhulu, Marais, and Van Renburg have also qualified for the upcoming World University Games, to be held in Rhine-Ruhr, Germany, in July. Molotsane encouraged fellow Kovsies to support these and other UFS athletes, whose journeys reflect the spirit of Kovsie athletics.

News Archive

Nanotechnology breakthrough at UFS
2010-08-19

 Ph.D students, Chantel Swart and Ntsoaki Leeuw


Scientists at the University of the Free State (UFS) made an important breakthrough in the use of nanotechnology in medical and biological research. The UFS team’s research has been accepted for publication by the internationally accredited Canadian Journal of Microbiology.

The UFS study dissected yeast cells exposed to over-used cooking oil by peeling microscopically thin layers off the yeast cells through the use of nanotechnology.

The yeast cells were enlarged thousands of times to study what was going on inside the cells, whilst at the same time establishing the chemical elements the cells are composed of. This was done by making microscopically small surgical incisions into the cell walls.

This groundbreaking research opens up a host of new uses for nanotechnology, as it was the first study ever in which biological cells were surgically manipulated and at the same time elemental analysis performed through nanotechnology. According to Prof. Lodewyk Kock, head of the Division Lipid Biotechnology at the UFS, the study has far reaching implications for biological and medical research.

The research was the result of collaboration between the Department of Microbial, Biochemical and Food Biotechnology, the Department of Physics (under the leadership of Prof. Hendrik Swart) and the Centre for Microscopy (under the leadership of Prof.Pieter van Wyk).

Two Ph.D. students, Chantel Swart and Ntsoaki Leeuw, overseen by professors Kock and Van Wyk, managed to successfully prepare yeast that was exposed to over-used cooking oil (used for deep frying of food) for this first ever method of nanotechnological research.

According to Prof. Kock, a single yeast cell is approximately 5 micrometres long. “A micrometre is one millionth of a metre – in laymen’s terms, even less than the diameter of a single hair – and completely invisible to the human eye.”

Through the use of nanotechnology, the chemical composition of the surface of the yeast cells could be established by making a surgical incision into the surface. The cells could be peeled off in layers of approximately three (3) nanometres at a time to establish the effect of the oil on the yeast cell’s composition. A nanometre is one thousandth of a micrometre.

Each cell was enlarged by between 40 000 and 50 000 times. This was done by using the Department of Physics’ PHI700 Scanning Auger Nanoprobe linked to a Scanning Electron Microscope and Argon-etching. Under the guidance of Prof. Swart, Mss. Swart en Leeuw could dissect the surfaces of yeast cells exposed to over-used cooking oil. 

The study noted wart like outgrowths - some only a few nanometres in diameter – on the cell surfaces. Research concluded that these outgrowths were caused by the oil. The exposure to the oil also drastically hampered the growth of the yeast cells. (See figure 1)  

Researchers worldwide have warned about the over-usage of cooking oil for deep frying of food, as it can be linked to the cause of diseases like cancer. The over-usage of cooking oil in the preparation of food is therefore strictly regulated by laws worldwide.

The UFS-research doesn’t only show that over-used cooking oil is harmful to micro-organisms like yeast, but also suggests how nanotechnology can be used in biological and medical research on, amongst others, cancer cells.

 

Figure 1. Yeast cells exposed to over-used cooking oil. Wart like protuberances/ outgrowths (WP) is clearly visible on the surfaces of the elongated yeast cells. With the use of nanotechnology, it is possible to peel off the warts – some with a diameter of only a few nanometres – in layers only a few nanometres thick. At the same time, the 3D-structure of the warts as well as its chemical composition can be established.  

Media Release
Issued by: Mangaliso Radebe
Assistant Director: Media Liaison
Tel: 051 401 2828
Cell: 078 460 3320
E-mail: radebemt@ufs.ac.za  
18 August 2010
 

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