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28 August 2025 | Story Godfrey Mabasa | Photo Kaleidoscope Studios
Dr Nthatisi Nyembe
Dr Nthatisi Nyembe, a faculty member in the Department of Zoology and Entomology at the University of the Free State Qwaqwa Campus, shines in Parasitology Research.

Dr Nthatisi Nyembe, a faculty member in the Department of Zoology and Entomology at the University of the Free State (UFS) Qwaqwa Campus, is making notable advancements in the field of parasitology. A native of Qwaqwa, Dr Nyembe embodies the potential for academic achievement within the community she serves, representing a commendable instance of homegrown talent.

A respected graduate of the UFS, Dr Nyembe completed her Bachelor of Science degree in Botany expeditiously before pursuing a Bachelor of Science Honours and Master of Science in Zoology, specialising in Parasitology, all on the UFS Qwaqwa Campus. Her postgraduate studies centred on evaluating medicinal plants for compounds with the potential to treat parasitic gastrointestinal nematodes in sheep – an area of significant importance for the sustained well-being of livestock.

Dr Nyembe broadened her academic horizons by earning a Doctor of Philosophy in Animal and Food Hygiene from the Obihiro University of Agriculture and Veterinary Medicine in Hokkaido, Japan. Her doctoral studies widened her scientific understanding and enhanced her expertise in the treatment of parasitic ailments.

Currently, her research focuses on the evaluation of naturally derived substances, synthesised compounds, and nanoscale particles for their potential efficacy in combating parasitic illnesses. Her broader research interests include pharmacological evaluation, the diagnosis and epidemiology of diseases transmissible from animals to humans, cell biology, and animal management, making her contributions essential to both human and veterinary medicine.

Her academic and research background is extensive. She has held research assistant positions at both the Obihiro University and the UFS, and she also concluded a postdoctoral fellowship at the North-West University in the North West province of South Africa.

Beyond her scholarly pursuits, Dr Nyembe engages in activities such as skiing, travelling, reading, and community involvement, reflecting a well-developed character and a commitment to creating a positive impact beyond the academic sphere.

With her international academic experience and firm local connections, Dr Nyembe continues to be a symbol of distinction, inspiring students and contributing to pioneering research that addresses practical challenges.

News Archive

Heart-valve studies receive international recognition
2017-07-11

 Description: Heart-valve studies  Tags: Heart-valve studies  

Prof Francis Smit, Head of the Department of
Cardiothoracic Surgery at the UFS, and Manager of the
Robert WM Frater Cardiovascular Research Centre, with
Kyle Davis, Mechanical Engineer at the centre.

Photo: Rulanzen Martin

Three heart-valve studies which have been developed at the Robert WM Frater Cardiovascular Research Centre at the School of Medicine at the University of the Free State (UFS) were recently presented in Monte Carlo at the conference of the prestigious global Heart Valve Society (HVS).

These studies are all headed by Prof Francis Smit, Head of the Department of Cardiothoracic Surgery at the UFS, and Manager of the Robert WM Frater Cardiovascular Research Centre.
Prof Smit says the HVS is a combination of the former heart-valve societies of Europe and the US. “Studies on heart-valve disease, heart-valve-related products and operations, as well as the design and development of new valves were presented. There are both clinical and development divisions.

He says the study in which the hemodynamics of their redesigned mechanical poppet valve was compared to a commercial bi-leaflet mechanical heart valve, was named as the best poster presentation in the experimental valve development and numerical flow dynamics division. The study, which was presented by Kyle Davis, mechanical engineer at the centre, competed against some of the best heart-valve research units in the world.

The redesigned valve, based on the 1960s Cape Town poppet valve, has the potential to provide a low-cost solution for mechanical heart-valve replacement. It is possible to produce the titanium ring with 3-D printers and is, together with the silicon poppet valve, extremely inexpensive compared to current mechanical valve-manufacturing processes.
The advantages of this valve over current mechanical valves is that, due to the effective and laminar flow characteristics, as well as the simple locking mechanisms, there is a reduced chance of valve thrombosis, and the need for anti-clotting drugs is therefore limited.

It was also confirmed that the new valve more than meets the published FDA (Federal Drug Agency) requirements, which determine the minimum standards of valves for human use in the US.

The redesigned valve also has a very low platelet activation impact, which is responsible for platelet thrombosis and leads to valve thrombosis or strokes. This valve is another heart-valve project by the centre, which is also in the process of evaluating a tri-leaflet polyurethane valve developed by them.


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