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Robson Nkosi: A testament to resilience and academic excellence

04 April 2025 | Story Precious Shamase | Photo Supplied

Robson Siphosihle Nkosi's journey is a compelling narrative of resilience, determination, and academic achievement – a story that resonates deeply within the University of the Free State (UFS) community. Born in Mpumalanga and raised under challenging circumstances, Nkosi's path to academic success is a testament to his unwavering spirit.

Unwavering determination

His early life was marked by significant loss, having been raised initially by his grandmother, and subsequently by his mother, who tragically passed away just before his final year of high school at Bee Maseko Secondary School, a quintile 1 school in Sheepmoor, Mpumalanga. Facing financial hardship, he relied on the support of friends to complete his matriculation.

Despite these adversities, Nkosi's determination shone through. With the invaluable assistance of his high school teacher, Mokoena Libakiso – whom he now considers his mother – he applied to the UFS to pursue a teaching degree. Although initially accepted, funding delays resulted in his offer being withdrawn. Securing funding later, he enrolled in a BSocSci degree, majoring in Communication Science and Sociology, demonstrating his adaptability and commitment to higher education.

Nkosi’s initial aspiration to switch to a Bachelor of Education degree was redirected by the NSFAS N+1 rule. However, he refocused his goals, setting his sights on a PhD and a career in higher education lecturing. This strategic vision fuelled his academic pursuits.

Leadership. Excellence. PhD.

His leadership skills were honed during his final undergraduate year, serving as the Qwaqwa Campus SRC Deputy President and ISRC Treasurer General. His academic excellence was consistently recognised through academic merit bursaries and the UFS Partial Tuition Fee Bursary, which supported his honours studies. Living in Botshabelo and commuting to Bloemfontein, Nkosi demonstrated his dedication.

During his honours year, he not only excelled as a student, but also as a tutor and Career Ambassador. His academic prowess led to an invitation from his honours lecturer, Yzelle Du Plessis, to facilitate Communication Science classes. He completed his honours degree cum laude, specialising in Leadership Communication.

Nkosi's academic journey continued with a master’s in communication science, funded by the National Research Foundation (NRF). Simultaneously, he gained practical teaching experience as a junior lecturer. He recently completed his master's degree and is now pursuing a PhD in Communication Science, while continuing to teach final-year and honours students on the Bloemfontein Campus.

A life dedicated to education and leadership

His short-term goal is to secure a permanent lecturing position, while his long-term ambition is to become a professor of Communication Science and potentially assume a leadership role in higher education, the public sector, or civil society.

Robson Nkosi's story is a powerful example of resilience, academic excellence, and the transformative impact of education. His dedication and gratitude to those who supported him underscore the importance of community and mentorship. He stands as an inspiration to the UFS community, demonstrating that with determination and perseverance, even the most challenging circumstances can be overcome.

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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