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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

Louzanne breaks own world record in Switzerland
2017-06-09

Description: Louzanne breaks own world record  Tags: Louzanne breaks own world record

Rufus Botha (left), coach of the athlete Louzanne Coetzee,
went overseas with Coetzee and her guide,
Khothatso Mokone, for a race for the first time.
Coetzee improved her T11 5 000 m world record with more
than 20 seconds in Switzerland.
Photo: Johan Roux

She fought against illness, had to get the green light from medical personnel shortly before her main race, and was very nervous. However, on 5 June 2017, the blind athlete Louzanne Coetzee managed to improve the T11 5 000 m world record with more than 20 seconds.

The Kovsie star’s time of 18:14.27 at the ParAthletics Grand Prix in Nottwil, Switzerland, was approximately 23 seconds faster than her previous world record (18:37.23). In addition, Coetzee, who works at the Institute for Reconciliation and Social Justice at the University of the Free State, also improved the South African T11 800 m record to 2:30.18 on 2 June 2017, and her 4:59.54 on 3 June 2017 in the T11 1 500 m was almost another national record.

Carried by UFS and other support
“One could never be ungrateful when running close to your personal best,” Coetzee said. “Fortunately, with God’s blessing, the support of everybody at home, support from the university, as well as my mom and them, it really was a very blessed and successful event.”

According to her coach, Rufus Botha, Coetzee was not feeling well before the event and had to get medical clearance before the 5 000 m. He told her not to run too hard, even though their goal was 18:20. “She ran an incredible final 600 m, which brought the time down to 18:14,” he said. “It was amazing to watch.”

Botha’s knowledge valuable abroad
He enjoyed going overseas with Coetzee and her guide, Khothatso Mokone, for the first time. “His (Botha’s) experience, knowledge, support, and coaching was extremely valuable,” Coetzee said. “It will definitely help me in future: how to approach things, and everything he shared with us.”

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