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23 March 2023 | Story Rulanzen Martin | Photo Stephen Collett
From left: Hanlie Grobler, Senior Officer at the CFM; Prof Koos Terblans, Head of the Physics Department; Nonkululeko Phili, Assistant Officer at the CFM; and Edward Lee, Junior Lecturer and Researcher at the CFM. Photo: Stephen Collett

The Centre for Microscopy (CFM) in the Faculty of Natural and Agricultural Sciences at the University of the Free State (UFS) unveiled a sophisticated JEOL High Resolution Transmission Electron Microscope (HRTEM) during a two-day microscopy conference on 14 and 15 March 2023. The microscope is part of a larger investment into research equipment worth R65 million. 

Speaking at the opening of the conference, Prof Corli Witthuhn, out-going Vice-Rector: Research and Internationalisation, said the microscope purchase “is a significant milestone in the university’s bid for cutting-edge research”. The HRTEM is part of a larger consignment of JEOL equipment at the UFS and, according to Dr Sarah Harper from JEOL UK, it places the UFS in a unique position.  

UFS at the forefront in using electron microscopes  

The HRTEM microscope can be utilised across disciplines and will give the UFS an advantage in uncovering new solutions and creating national and international interdisciplinary research collaborations. “The UFS is at the forefront in this field in SA and continues to push the boundaries,” Prof Witthuhn said. This move will also positively impact the training of honours, master’s, and doctoral students. 

Prof Danie Vermeulen, Dean of the Faculty of Natural and Agricultural Sciences, reiterated Prof Witthuhn’s sentiments by saying that this equipment will set the faculty apart from its competitors. “The faculty already reached the goals of Vision 130 by being proactive,” he said. In the past seven years more than R300 million worth of equipment was acquired by the faculty, but he added that to be the best is not just about the best equipment – “the data coming from using this equipment is what will make the real difference”.

Prof Koos Terblans
Prof Koos Terblans opens the conference on 14 March 2023. Photo: Stephen Collett .

Road to the JEOL HRTEM started in 2018

The process of acquiring a HRTEM microscope started in 2018 and was concluded with the purchasing of the JOEL microscopes in March 2020, a few weeks before the first COVID-19 lockdown. The purchase was made possible through the collaboration between the faculties of Natural and Agricultural Sciences and Health Sciences. Thanks to the dedication of staff members in the Centre for Microscopy and Physics, it was possible to accept delivery of the new HRTEM in June 2021. Prof Koos Terblans, Head of the Physics Department and the Centre for Microscopy, who led the entire project, said this was one of the “proudest moments in my career”.  

Installing the equipment involved various university resources, including the University Estates Department, which had to make additional structural changes to the room where the equipment is housed. This included digging two metres into the existing floor and placing the HRTEM on a 70-tonne solid concrete block, to ensure that the equipment was secure and vibration free.

Prof Terblans said now that the HRTEM from JEOL and its supporting equipment – the final piece of the R65 million research investment puzzle – is part of the faculty’s resources, it is up to the scientists and academics to utilise it for innovative research, enhance research productivity, and foster new collaborations. 

Edward Lee
Edward Lee shows the new HRTEM electron microscope to colleagues and conference attendees.Photo: Stephen Collett 

News Archive

Three UFS researchers attend cactus pear congress
2017-05-05

Description: Dr de Wit Cactus pear 2 Tags: Dr de Wit Cactus pear 2

Dr Maryna de Wit, one of the
UFS delegation team was appointed
coordinator for Agro-Processing
and Post-Harvest Technology during
the congress

Description: Dr du Toit Cactus Pear 2 Tags: Dr du Toit Cactus Pear 2

Dr Alba du Toit, also one of the members
of the UFS delegation during the
congress at the University of Chile
in Santiago, Chile.
Photos: Supplied





Dr Alba du Toit, a junior lecturer in Consumer Science at the University of the Free State (UFS), presented her research at the recent IX International Congress on Cactus Pear and Cochineal at the University of Chile in Santiago, Chile. The congress was themed, “CAM Crops for a Hotter and Drier World”.

Dr Du Toit, Prof HO de Waal and Dr Maryna de Wit, from the Faculty of Natural and Agricultural Sciences at UFS, attended the five-day conference held between 26 and 30 March 2017.

Congress a platform for networking
The congress, held every three years since 1993, gathers cactus pear researchers, growers and processing managers from Europe, the Americas, Asia and Africa to review current research trends by networking to form new collaborations that could lead to increased efficiency and shared knowledge. They also present new findings and plan for future research.

Great achievements for researchers
Dr Du Toit said: “My research on cactus pears focused on the utilisation of the slimy substance found in the cactus cladodes as a functional ingredient in innovative nutraceutical food products”. Functional foods are foods that promote health or prevent disease through adding or omitting specific ingredients. She also received the International Society of Horticultural Science award for best student oral presentation.

Dr De Wit also presented her research and was appointed coordinator for Agro-Processing and Post-Harvest Technology at the congress.

Dr Herman Fouché, Affiliated Researcher at the Department of Soil-, Crop- and Climate Sciences at UFS, developed “kuilmoes”, a type of silage from pulped cactus pear fruit, mixed with lucerne, in collaboration with Prof de Waal, which was also presented.at the congress.

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