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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

Department of Chemistry receives accolades at international conferences
2014-11-11

 

From the left are: Prof Andreas Roodt, Renier Koen, Dr Marija Zbacnik and Prof Deon Visser.
Photo: Supplied

Staff members in the Department of Chemistry at the University of the Free State (UFS) excelled at recent international conferences. Prof Andreas Roodt, Head of the Department of Chemistry, was honoured at the Pan African Meeting of the International Year of Crystallography IYCr2014. This event was hosted on our Bloemfontein Campus and delegates from 22 countries delivered their papers at the congress.

Prof Roodt received a medal from the President of the Moroccan Crystallographic Association, Prof Abdelmalek Thalal, for 'Building Science in Africa through Crystallography as President of the European Crystallographic Association'. Prof Deon Visser gave a keynote lecture at this meeting, while Dr Marija Zbacnik, post-doctoral fellow in Chemistry, received a prize for the best poster presentation.

Similarly, Chemistry PhD student, Renier Koen, received the prize as best student speaker at the Light Metals AMI (Advanced Metal Initiative) conference held at Kwa Maritane in Pilanesberg. Plenary speakers included delegates from the United Kingdom, the United States, India, China and South Africa.

Profs Roodt and Visser received a special scroll for having produced the best student speakers at the AMI series of conferences for the past three years in a row. The previous best student lectures were presented by Maryke Steyn (2012) and Tinus Viljoen (2013).

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