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12 March 2018 Photo Leonie Bolleurs
Second triumph for young pollution and pharmaceutical researcher
Emmie Chiyindiko, winner of Famelab.

“I am grateful to be reaping the benefits of stepping out of my comfort zone. By facing the unfamiliar, that challenge will allow me to see what great things I am capable of,” said Emmie Chiyindiko, winner of Famelab 2018.

With FameLab, the world’s leading science communication competition, participants have just three minutes to win over the judges and crowd with a scientific talk that excels in content, clarity and charisma. Contestants from around the world participate, armed only with their wits and a few props.

Emmie won the Postgraduate School’s Three-Minute-Thesis competition for master’s level in 2017.

She said: “My research is based on the synthesis and characterisation of a series of unique metal complexes.” These complexes are used both as active pharmaceutical ingredients and cosmetic additives to reduce the detrimental effects of UV radiation on the skin. They are incorporated into anti-ulcer, gastro protective drugs, anti-asthmatic, lung disease drugs, with anti-cancer and anti-diabetic agents,” she said.

With her research she can also monitor air pollution. Formaldehyde is a known toxin to human health. “Using metal complexes, I am able to monitor the production of formaldehyde and consequently come up with exposure prevention methods,” said Emmie.

She believes that it is okay to not ”fit in“. “Mannerisms such as your quirks make you different and distinctive. Live your life intentionally, imprint your personal mark on this universe and always choose faith over fear.”

News Archive

Prof Tredoux turns theories regarding the formation of metals on its head
2013-09-17

 

Prof Marian Tredoux
17 September 2013

The latest research conducted by Prof Marian Tredoux of the Department of Geology, in collaboration with her research assistant Bianca Kennedy and their colleagues in Germany, placed established theories regarding how minerals of the platinum-group of elements are formed, under close scrutiny.

The article on this research of which Prof Tredoux is a co-author – ‘Noble metal nanoclusters and nanoparticles precede mineral formation in magmatic sulphide melts’ – was published in Nature Communications on 6 September 2013. It is an online journal for research of the highest quality in the fields of biological, physical and chemical sciences.

This study found that atoms of platinum and arsenic create nanoclusters, long before the mineral sperrylite can crystallise. Thus, the platinum does not occur as a primary sulphur compound. The research was conducted at the Steinmann Institute of the University of Bonn, Germany, as well as here in Bloemfontein.

Monetary support from Inkaba yeAfrica – a German-South African multidisciplinary and intercultural Earth Science collaborative of the National Research Foundation (NRF) – made this research possible. Studies are now also being conducted on other metals in the precious metal group, specifically palladium, rhodium and ruthenium.

The discovery of the nanoclusters and the combination with arsenic can have far-reaching consequences for the platinum mine industry, if it can be utilised to recover a greater amount of platinum ore and therefore less wastage ending up in mine dumps. This will signify optimal mining of a scarce and valuable metal, one of South Africa’s most important export products.

For Prof Tredoux, the research results also prove thoughts she already had some twenty years ago around the forming of platinum minerals. “Researchers laughed in my face, but the evidence had to wait for the development of technology to prove it.” Young researchers were very excited at recent congresses about the findings, since the new models can bring new insights.

“Chemistry researchers have been talking about platinum element clusters in watery environments for quite a while, but it was thought that these would not appear in magmas (molten rock) due to the high temperatures (>1 000 degrees celsius).”

Prof Tredoux has already delivered lectures at congresses in Scotland, Hungary, Sweden and Italy on this research.

Read the article at: http://www.nature.com/ncomms/2013/130906/ncomms3405/full/ncomms3405.html

 

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