Latest News Archive

Please select Category, Year, and then Month to display items
Categories
UFS News Media Release Research
Years
2019 2020 2021 2022 2023 2024 2025
Months
January February March April May June July August September October November December
Previous Archive
01 April 2024 | Story Lacea Loader | Photo Sonia Small
Prof John Klaasen, newly appointed Dean: Theology and Religion at the UFS
Prof John Klaasen, newly appointed Dean: Theology and Religion at the UFS.

The University of the Free State (UFS) has appointed Prof John Klaasen as Dean: Faculty of Theology and Religion from 1 April 2024. 

Prof Klaasen is Professor of Theology and has served two terms as Head of the Department of Religion and Theology at the University of the Western Cape. He also served as Professor in the Kjell Nordstokke Chair in Community Development at VID Specialized University in Norway and is Adjunct Professor at VID Specialized University. 

“With his vast experience and involvement in research projects – nationally as well as internationally – Prof Klaasen will make a significant contribution to the Faculty of Theology and Religion and the university in general. This will also be valuable in support of the university’s Vision 130, which is an expression of our strategic intent to position the institution towards 2034 when the UFS will be 130 years old,” says Prof Francis Petersen, Vice-Chancellor and Principal of the UFS.

As a practical theologian, the intersection between praxis and theory has occupied Prof Klaasen’s research for the past decade. He has researched and published extensively within theology, community development, and narrative. Aspects such as narrative, embedded knowledge, participation, reconciliation, and the non-rational tradition of knowledge are some of the areas that occupy his research outputs.

He is involved in numerous international research projects, which include a COST project with 17 European institutions, a project on reconciliation processes with institutions in Canada and Nordic countries, an international initiative on community development with various institutions in Europe, and a NORPART initiative with Norway and Malawi.

Community engaged scholarship forms a central part of his research and work at the intersection of religion and social justice. Prof Klaasen is involved in various community development projects, including homes for the aged, lay training, water issues, and lay theological education.

His teaching is situated within a socially just pedagogy, which puts the students at the centre of knowledge production. This innovative way of knowledge production intersects students, teachers, and the lecture room within a dynamic space of contextualisation.

“I am grateful for the opportunity to join such a prestigious institution and will endeavour to contribute to Vision 130 through commitment, innovation, trust, and ethical leadership – which represents the university’s commitment to be recognised by our peers and society as a top-tier university in South Africa, ranked among the best in the world,” says Prof Klaasen.

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
 

Economic and Management Sciences

Education

Health Sciences

The Humanities

Law

Natural and Agricultural Sciences

Theology and Religion

Open Distance Learning

Business School

We use cookies to make interactions with our websites and services easy and meaningful. To better understand how they are used, read more about the UFS cookie policy. By continuing to use this site you are giving us your consent to do this.

Accept