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07 November 2019 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Chemistry
Discussing progress in green energy and nuclear medicine during the recent ReMec2, were from the left: Dr Dumisani Kama (UFS), Prof Roger Alberto (University of Zurich), Prof Andreas Roodt (UFS), and Dr Orbett Alexander (UFS).

Scientists in South Africa and Switzerland, with a research collaboration of 20 years, are working together to make a difference. A major focus of their work is nuclear medicine and green energy. 

Since the end of October, 22 speakers from five countries met for five days at four different sites in South Africa to discuss their work during the second symposium on reaction mechanisms, better known as ReMec2. The Department of Chemistry at the University of the Free State (UFS) hosted this event. 

Considerable reduction of carbon dioxide

According to Prof Andreas Roodt, lead researcher from the UFS Department of Chemistry, ReMec2 focused mainly on two projects: nuclear medicine and an R8 million project titled: Solar Light-driven Homogeneous Catalysis for Greener Industrial Processes with H2 (hydrogen gas) as Energy Source and CO2 (carbon dioxide) as C1 Building Block. This is a sunlight-driven project in search of new catalysts, which are chemical compounds that make the reactions faster and more effective, but which are not consumed during the reaction. The aim is to provide greener industrial processes with hydrogen as energy source, and to reduce carbon dioxide in the environment.

This research, if applied, has the probability of preventing the release of more than 100 kg of harmful carbon dioxide for every one kg of hydrogen produced. “Together with the Swiss group, we are at that stage of the research where these compounds, with just one molecule of the catalyst, can make 80 000 hydrogen molecules (very clean energy, as hydrogen in a car's engine burns to clean water; not like gasoline that burns to harmful carbon dioxide),” Prof Roodt explains. 

The UFS and the research group from Prof Robert Alberto at the University of Zurich have been working together on this research for the past twenty years. According to Prof Roodt, they are studying complete reaction mechanisms, including the time profile of how the different chemical compounds are reacting with each other and not just the simple product analysis as studied by most groups in the world. 

International patent on nuclear medicine

In June 2019, they registered an international patent on nuclear medicine model compounds. The patent was granted. During ReMec2, a lecture was presented on this patent, according to which a compound with an imaging isotope [Tc-99m] that has its own ‘X-rays’, can shed light on an affected organ in the human body for doctors to see where medicine should be administered. The same compound also contains the medicine to treat the disease. 

The work of these scientists is 100% in line with South Africa’s National Development Plan and it supports the UFS Strategic Plan. “The programme also builds on students’ research and increases network and collaboration possibilities. We receive more international acknowledgement for our research efforts and compete with the best in the world. Our research is not necessarily about having the best equipment (although it is very important), but critically it is about the generation of innovative ideas,” says Prof Roodt. 

News Archive

5 things you might not know about Elizabeth Molapo: Miss SA 2016 finalist
2015-11-20

Kovsies’ own beauty queen, Elizabeth Molapo

Elizabeth Lihotetso Molapo is a final-year BCom Economics student at the University of the Free State. The impeccably-beautiful 23-year-old is the only Bloemfontein representative among the top 12 contestants who have their eyes fixed on the Miss South Africa 2016 crown.

You might not know that:


1. Elizabeth was named after Queen Elizabeth 2, with whom she shares a birthday. Her middle name, “Lihotetso”, translates as “Fire”. Suffice it to say, her burning desire to learn - the pull factor for her embarking on the Miss SA 2016 journey - is a manifestation of her fate.

2. This is not her first time in the Miss SA competition. Last year, Elizabeth gave the Miss SA competition a try but unfortunately did not make very far.

3. Her childhood dream was to become a pediatrician. Economics won when she had to shadow at a hospital when she was in high school, and was horrified at the sight of blood. Elizabeth then decided: “This isn’t for me!”

4. “Enter Miss SA,” she recalls Rolene Strauss saying. The former Miss SA and current Miss World encouraged her to follow her dreams, and to aim for the most prestigious tiara in the country.

5. The last book she read was Redeeming Love by Francine Rivers. It is also the next one she might read, as she has read it three times already.

Other Kovsies who have made strides in the beauty pageant realm include Rolene Strauss who was crowned Miss SA 2014 and Miss World 2015. Earlier this year, Relebohile Kobeli was also crowned Miss Lesotho 2015 and is now en route to Miss World International 2015 in China.

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