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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

Active citizenship key to building healthier communities
2014-09-22

Photo: Mamosa Makaya

The Office of Community Engagement in collaboration with Bloem Shelter, hosted a three-day Indaba on active citizenship. The focus of the event was to engage local government leaders, NGOs and social services groups on creating a society that is healthier, safer and more informed.

The over-arching theme of the Indaba centred on the strengthening of family structures, social and health service delivery, spiritual healing and counselling. Amongst the various speakers was Rev Jennifer Samdaan, Minister in the Methodist Church and community activist. During her presentation, ‘Youth, Women and Children at Risk in South Africa', she highlighted the challenges that women and youth in townships and rural areas deal with in their daily lives. One example is physical and sexual violence while commuting to school and work. Rev Samdaan’s organisation has been instrumental in engaging municipal authorities in the region of Kokstad to provide security and lighting on roads where women are most vulnerable to violent attacks as they commute from work.

Community workers discussed their contributions in the fields of marital and family counselling and mental health support services. They discussed the benefits of their collaboration with local judicial bodies and other community leaders to render services to victims of domestic violence.

Rev Billyboy Ramahlele, Director in the Office of Community Engagement, emphasised the role of leadership and the responsibility of political leaders and citizens alike to ensure accountability in the quest to build a healthier society.

Vanessa Booysen, a neonatal consultant for Newborn Care in South Africa, demonstrated the importance of bonding between mothers and their babies. She called attention to the negative effects on the development of babies when separated from their mothers and the future challenges this causes. Modern medicine also leads to fewer women giving birth naturally. Booysen stressed that "it matters how we are born". She encouraged health practitioners to go back to basics in maternal care to lessen the negative effects that pass onto children into adulthood.

The workshop concluded with an exhibition by various groups that showcased the information resources and services offered to communities in the Free State.

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