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24 April 2025 | Story Martinette Brits | Photo Barend Nagel
Mainstream Final Project
Five postgraduate students from Ethiopia and Togo with Prof Corli Witthuhn, coordinator of the MAINSTREAM project, during their academic exchange visit to the University of the Free State. From the left: Prudence Bilabina, Ame Houngo, Prof Corli Witthuhn, Gemedo Shengu, Fanny Sibabi, and Debela Bedada.

The University of the Free State (UFS) has welcomed a cohort of international students as part of the Mobility 4 Agricultural International Networks Supporting Thematic Resilience and Enhancing Adaptation and Mitigation (MAINSTREAM) project, a significant European Union-funded initiative aimed at boosting agricultural education and research across the African continent.

A group of postgraduate students from Togo and Ethiopia have recently joined the University of the Free State as part of the MAINSTREAM project. “Two doctoral students from Togo – Ame Houngo and Fanny Sibabi – are based in the Department of Sustainable Food Systems and Development and will be supervised by Dr Alba du Toit and Prof Maryke Labuschagne,” says Prof Corli Witthuhn from the Department of Sustainable Food Systems and Development at the UFS, who serves as the coordinator of the MAINSTREAM project. Master’s student Prudence Bilabina, also from Togo, is hosted by the Department of Agricultural Economics under the supervision of Prof Henry Jordaan.

From Ethiopia, doctoral student Debela Bedada and master’s student Gemedo Shengu are both pursuing their research in the Department of Agricultural Economics, supervised by Prof Nicky Matthews and Dr Janus Henning respectively.

A Ugandan student will soon join them on 22 April for a three-month traineeship. “He is an undergraduate Agriculture student who will register for a service-learning module at the UFS and spend the three months working on a farm,” explains Prof Witthuhn. The student hails from the Mountains of the Moon University in Uganda.

By June 2025, the university anticipates the arrival of four more students from Uganda – three at master’s level and one traineeship participant – bringing the total number of MAINSTREAM students hosted by UFS this year to ten.

 

Building a climate-resilient future through agricultural education

The MAINSTREAM project aims to foster education and skills improvement in agricultural knowledge systems, with a strong focus on climate change resilience. According to Prof Witthuhn, the project “strives to influence the common agenda for addressing education and skills improvement … targeting transformations with the tertiary agricultural education community, policy, and industry actors”.

An important aspect of the initiative is its emphasis on inclusion, particularly regarding African women who remain underrepresented in higher education agricultural programmes. “Mobility schemes will also be used to break cross-African gendered perceptions of agriculture … and to further provide for a gender-sensitive learning environment and institutional culture,” Prof Witthuhn notes.

The UFS’ participation forms part of a larger network of partner institutions across Africa and Europe, including Arsi University (Ethiopia), the University of Kara (Togo), the Mountains of the Moon University (Uganda), Jaramogi Oginga Odinga University of Science and Technology (JOOUST, Kenya), the University of Sine Saloum El Hadji Ibrahima Niasse (USSEIN, Senegal), and the Weihenstephan-Triesdorf University of Applied Science (Germany).

 

Strengthening research, networks, and collaboration at the UFS

This four-year project, running from 2024 to 2027, will host two cohorts of students. “We are a partner in the project that will run over four years … one of the UFS master’s students, Rinus Behrens from the Department of Sustainable Food Systems and Development, is currently spending four months at JOOUST in Kenya as part of the programme,” adds Prof Witthuhn.

The presence of these students at the UFS marks a pivotal moment for both the institution and its international counterparts. “For the institution, it creates the opportunity for new networks, new research opportunities, internationalisation of our research endeavour, and increased research outputs,” she says.

During their stay, master’s and doctoral students will engage in academic research aligned with their fields of study, while traineeship students will gain hands-on agricultural experience on farms in the Bloemfontein area.

Bedada says the programme is already making a meaningful impact on his academic journey. “I am analysing the impact of agricultural mechanisation on food security and production. It is a big opportunity, because it gives me a chance to expand my knowledge and skills, and to develop my research work to international level.”

Similarly, Houngo says the experience so far has been enriching. “I have already learned a lot, and I hope to replicate the experience in my hometown,” he shares.

Behind the scenes, UFS staff and departments are instrumental in ensuring the programme’s success. “They provide host departments, academic leadership, and supervision to the six students,” says Prof Witthuhn, emphasising the collaborative effort required to support this international initiative.

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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