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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

UFS extends footprint abroad
2015-12-14

In its constant pursuit of research excellence, the UFS has this year performed well in mainly two areas.

Apart from the research done by the UFS on national level, e.g. the involvement of its researchers with the SKA telescope, the pioneering work they do with the satellite tracking of giraffes, as well as research on trauma, forgiveness and reconciliation – to name but a few of the research areas, the university also has a research focus abroad.

Japan, Europe, America and Botswana. These are just some of the places where academics from the university are involved in research abroad.

Japan

Dr Dirk Opperman, Senior Lecturer at the Department of Microbial, Biochemical and Food Biotechnology, and Carmien Tolmie, a PhD student in the same department, visited the Okinawa Institute of Science and Technology in Onna, Japan, during November and December 2014. During the visit, experiments were performed in the Microbiology and Biochemistry of Secondary Metabolite Unit of Dr Holger Jenke-Kodama.

This formed part of a larger NRF-funded project on carcinogenic toxins produced in certain Aspergillus fungi. These fungi infect food and feedstuff and are a big concern in developing countries because it may lead to severe economic losses. The research ultimately aims to find inhibitors to block the production of these fungal toxins.



Europe and America

In 2012, an international network was established in the frame of the FP7-PEOPLE-2011-IRSES programme, called hERG-related risk assessment of botanicals (hERGscreen). The South African group included Dr Susan Bonnet and Dr Anke Wilhelm, both from the UFS Department of Chemistry.

Extracts from more than 450 South African plant species have been investigated systematically to assess the potential cardiotoxic risk of commonly consumed botanicals and supplements. The idea of the project, funded by the European Commission, is to identify safety liabilities of botanicals.

Other international partners included the University of Innsbruck, National and Kapodistrian University of Athens, Biomedical Research Foundation of the Academy of Athens, University of Basel, University of Vienna, University of Florida, Universidade Federal do Rio Grande do Sul, Universidade Federal de Santa Catarina.

Botswana


A memorandum of understanding was signed between the UFS and Botho University in Botswana in September 2015, which will be valid for three years.

The agreement, includes student and staff exchange programmes, collaborative research, teaching and learning and community engagement activities, sharing of results, and PhD/ MPhil guidance.

Young researchers

Another research focus of the UFS is the development of its young researchers. In 2015, the UFS has delivered 13 Y-rated researchers. Ten of the researchers are from the Faculty of Natural and Agricultural Sciences and three from the Faculty of the Humanities. Three of them received an Y1 rating from the NRF.

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