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10 June 2024 | Story Precious Shamase | Photo Supplied
Prof Richard Ocaya
Prof Richard Ocaya, Associate Professor from the Physics Department.

Prof Richard Ocaya from the Faculty of Natural and Agricultural Sciences at the University of the Free State (UFS) Qwaqwa  Campus has achieved a significant milestone with a newly patented invention. This patent, developed in collaboration with researchers from Turkey and Saudi Arabia, is the result of work that began in 2017, focusing on a special material known as graphitic carbon nitride.

This breakthrough in temperature measurement technology aligns perfectly with the university's Vision 130 commitment to innovation and addressing global challenges. The new device offers a unique solution to a longstanding issue in the field, providing accurate temperature measurements across an extremely wide range. Existing solutions often require multiple devices, leading to increased costs and reduced accuracy, but this invention simplifies the process.

The device, based on a combination of graphitic carbon nitride and silicon, can measure temperatures from -250°C to 250°C with exceptional consistency and linearity. This range and accuracy set it apart from current technologies, making it suitable for various applications, from standard temperature measurement to specialized settings involving extreme temperatures. It could be especially valuable in deep-space exploration, where equipment faces drastic temperature fluctuations.

The patent underscores the university's commitment to fostering collaborative research, a key aspect of Vision 130. Prof Ocaya attributes the success of the invention to the robust nature of the team, established in 2015. The team is now seeking to commercialize the technology by licensing it to a suitable partner, with organizations like NASA expected to show significant interest.

Prof Ocaya advises other academics considering patenting their inventions to ensure the patent solves a real problem uniquely and is based on sound principles. This makes the invention reproducible and protects it from being copied, assigning exclusive rights to the patent holder. Patenting allows for either manufacturing the devices or licensing them to third parties for royalties and profit. He notes that the main consideration is that the innovation must be practical and solve a specific problem in a novel and commercially viable way. He also acknowledges the challenge many academics face, as the "publish or perish" mentality often leads to choosing scientific articles over patents.

Despite securing the patent, Prof Ocaya and his team continue their research efforts, exploring new possibilities while balancing practical research with academic pursuits. He believes the invention will significantly impact the field of temperature measurement, being integrated into many new designs requiring such measurements.

The university proudly supports this innovative research and anticipates its real-world impact, furthering Vision 130's commitment to increasing UFS's research capacity and capability.

News Archive

Famelab, the Pop Idols of science communication
2017-03-09

Description: Famelab Tags: UFS, CUT, Science, Competition, research, British Council, Famelab, NRF

Oluwasegun Kuloyo and Zanele Matsane proved to be
Bloemfontein’s young and wittiest science researchers.
They will represent the Free State at the Famelab
national semifinals in Johannesburg.
Photo: Oteng Mpete

Imagine sharks with laser beams attached to their heads and enzymes that wear coats, and yeasts that stage a coup d’état in your body when agitated. This was all explored at the FameLab Science Communication Competition. 

Hosting the FameLab regional competition was a collaborative effort between Dr Mikateko Hoppener, from the University of the Free State’s (UFS), the Centre for Research on Higher Education and Development (CRHED), and Edith Sempe from the Central University of Technology (CUT), Research and Development Unit. Taking place for the first time in the Free State, the event was held at the UFS Centenary Complex on 2 March 2017.

Witty minds make science fun

FameLab is a competition that promotes science and technology by creating a space for scientists to find their voices and reach public audiences. The Free State regional competition had 18 contestants and two emerged victorious on the day. Contestants had to ensure their three-minute talks were fun, charismatic, clear and entertaining.

The two regional winners were Oluwasegun Kuloyo, a PhD student with the department of Microbial Biochemical and Food Biotechnology at UFS, and Zanele Matsane, a Construction Management PhD student at CUT. 

Kuloyo's research deals with the management of the candida yeast which exists in most people’s bodies and which, with a healthy immune system can be kept under control, but when an immune system is compromised, the yeast reacts volatilely and can potentially lead to death in HIV/AIDS patients. 

Matsane’s research is centred on collaborative construction management inspired by the Toyota manufacturing process. She hopes to resolve the silos of construction and bring about a more harmonious and fluid process to construction projects, thus ensuring their successful completion. 

The panel of judges consisted of Oteng Mpete UFS Media Liaison Officer, Dr Elizabeth Conradie from the CUT Innovation Hub, and Prof Willie du Preez from the CUT Centre for Rapid Prototyping and Manufacturing, as well as Robert Inglis from JiveMedia Africa.

Local scientists become jet-setters 
The two regional winners will head to Johannesburg to compete at the FameLab national semifinals, and the South African winner will go on to compete against winners from over 30 countries on an international stage, at the Cheltenham Science Festival in the UK.

FameLab is a programme of the Cheltenham Science Festival and is implemented locally by the South African Agency for Science and Technology Advancement (SAASTA), the British Council, and JiveMedia Africa. The competition has been running in South Africa for the past five years.

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