-By A. Ortega, KAUST News

Over the summer, KAUST electrical engineering Ph.D. student Asrar Damdam attended a five-week pre-accelerator program sponsored by Saudi Arabia's MiSK Foundation at Draper University, U.S. Through her entrepreneurial training, she created UVERA, a biotechnology startup that focuses on increasing the lifetime of fresh food by using an ultraviolet-based post-harvest treatment.

On July 18, she participated in a pitching competition at Draper University, during which her business idea ranked first out of 116 participants' ideas from 18 different countries. Her idea was ranked as the most investable business idea by over 30 venture capitalists, investors and entrepreneurs from Silicon Valley.

Ultraviolet sterilization of fresh food

Damdam's business idea came from her knowledge of the effect certain ultraviolet wavelengths have in reducing food pathogens that degrade food's quality and accelerate food spoilage.

"The main advantage of the technology is increasing [food's] lifetime by [sterilization] from different [foodborne pathogens] such as gray mold and powdery mildew, in addition to disinfecting food from different [pathogens] such as Escherichia coli and Salmonella," Damdam explained. "[Such] non-chemical food treatment is meant to reduce food waste and is expected to have a considerable global, environmental and economic impact."

In her novel business idea, Ph.D. student Asrar Damdam uses ultraviolet light-emitting diodes to reduce pathogens of fresh food, such as Escherichia coli (pictured here). Image courtesy of Shutterstock.

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Damdam was inspired in the topic area after attending a course during her Ph.D. titled "Special Topics in Solid State Devices." The course, which was given by KAUST Professor Xiaohang Li, focused on the optimization of the internal quantum efficiency and the radiative efficiency of ultraviolet (UV) light-emitting diode (LED) semiconductors.

"Professor Li presented [the recent discoveries and applications of ultraviolet LEDs, and] their effect on fresh food was one of them. I was so fascinated by this magical effect: a light can make food last longer! Right after that, I ordered some UV LEDs to build a prototype, [and] I applied for the entrepreneurship program in Silicon Valley," Damdam said.

Envisioning long-term goals

At KAUST, Damdam is part of Professor Muhammad Mustafa Hussain's Integrated Nanotechnology Lab. After receiving her bachelor's degree in electrical and computer engineering from Effat University in Jeddah, she joined KAUST as a visiting student in the summer of 2016. In the fall of 2016, she became a master's degree student in Hussain's group.

KAUST Professor Muhammad Mustafa Hussain is Ph.D. student Asrar Damdam's supervisor and heads the University's Integrated Nanotechnology Lab. File photo.

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