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24 April 2023 | Story Gerda-Marié van Rooyen | Photo Charl Devenish
Jenna Clarkson
Jenna Clarkson is a devout communications student and a karateka. She had to deal with several health challenges during her studies, but nevertheless dreams of obtaining her PhD in Communication at the UFS.

Overcoming numerous health obstacles during her studies, Jenna Clarkson is in high spirits after obtaining her degree from the University of the Free State (UFS). While most students enjoyed an active social and campus life, she often had to visit the hospital while studying. Receiving her BA Integrated Organisational Communication qualification during the April 2023 graduation ceremony has been a healing balm after many years of pain. 
 
The Faculty of the Humanities graduate was diagnosed with type 2 diabetes in 2021. In 2022, after several physiotherapists and emergency room visits, she was also diagnosed with juvenile disc disorder and sacroiliitis. The latter condition affects one or both sacroiliac joints where the lower spine and pelvis meet and may cause pain in one or both legs. 

Initially, Jenna assumed she had hurt herself during karate practice, but the pain would not subside. “I would randomly lose feeling in my legs and couldn’t sit. I spent a year in pain and struggled to walk, lift heavy objects, cough, and sleep on my side. I struggled with the fact that this was going to be an issue for the rest of my life.” 

However, with a lot of love from her friends, support from her lecturers, and grace with herself, Jenna learned how to handle the pain and to realise when she has met her limits. This student from Johannesburg says that although pain is frustrating and overwhelming, having emotional support helps. “Sometimes just having someone to listen and be there is the best thing.”

The journey to the graduation stage might have been difficult for this high-flyer, but it was a worthwhile undertaking. 

“I feel over the moon, and a little overwhelmed that it happened,” says Jenna about getting her degree in communications. Loving her field of study, she attended class eagerly and enjoyed her modules. “I love that I am allowed to create, I get to make something. There’s nothing more amazing than getting a brief and being able to look at it and create something from it that nobody else would have created. The bonus is that I am quite good at it too,” adds the student who is currently doing her honours degree at the UFS. 

Getting her first degree from the UFS, Jenna is determined to excel in her chosen field. 

“I would like to get my honours degree cum laude and do a PhD degree, but I am taking it one degree at a time. If it doesn’t work out that way, it’s okay. I am very good at figuring things out and making a plan.”

Jenna is determined to make her parents proud. “Having lost my dad at four, I do everything with the hope that he would be proud of my choices. My mom sacrificed a lot to give me the best life she could.”

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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