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Home / 2018 / November / 29 / Researchers develop tool for speedy diagnosis of bacterial infections
Health, Research

Researchers develop tool for speedy diagnosis of bacterial infections

November 29, 2018

Mohammad Zarifi, an assistant professor at UBC Okanagan, shows his small biosensor that can be used to provides health care practitioners with a real-time diagnosis of a bacterial infection.

Mohammad Zarifi, an assistant professor at UBC Okanagan, shows his small biosensor that can be used to provides health care practitioners with a real-time diagnosis of a bacterial infection.

Inexpensive biosensor provides instant and accurate results

Using a small and inexpensive biosensor, researchers at UBC Okanagan, in collaboration with the University of Calgary, have built a diagnostic tool that provides health care practitioners almost instant diagnosis of a bacterial infection.

The tool is able to provide accurate and reliable results in real-time rather than the two-to-five days required for existing processes that test infections and antibiotic susceptibility.

“Advances in lab-on-a-chip microfluidic technology are allowing us to build smaller and more intricate devices that, in the medical research space, can provide more information for health care practitioners while requiring less invasive sampling from patients,” explains Mohammad Zarifi, an assistant professor at UBC Okanagan.

According to health care statistics from 2017, every hour of delay in antibiotic treatment increases mortality rates by nearly eight per cent due to infection complications in the bloodstream.

Zarifi, and his research group in the School of Engineering’s Microelectronics and Advanced Sensors Laboratory, tested their device by tracking the amount of bacteria present in a variety of samples under various scenarios. The scenarios resembled those encountered in clinical microbiological laboratories.

By sending a microwave signal through the sample, the device quickly and accurately analyzes and then generates a profile of existing bacteria.

The diagnostic tool not only provides a rapid, label-free and contactless diagnostic tool for clinical analysis but it also goes further, says Zarifi.

“The device is able to rapidly detect bacteria and in addition, it screens the interaction of that bacteria with antibiotics,” he adds. “The combined results give health care practitioners more information than they currently have available, helping them move forward to determine accurate treatments.”

This biosensor, explains Zarifi is a significant step forward in improving the complex antibiotic susceptibility testing workflow and provides a rapid and automated detection of bacteria as well as screening the bacteria proliferation in response to antibiotics.

The research was published in the journal Nature Scientific Reports with financial support from CMC Microsystems and the Natural Sciences and Engineering Council of Canada.

About UBC’s Okanagan campus

UBC’s Okanagan campus is an innovative hub for research and learning in the heart of British Columbia’s stunning Okanagan Valley. Ranked among the top 20 public universities in the world, UBC is home to bold thinking and discoveries that make a difference. Established in 2005, the Okanagan campus combines a globally recognized UBC education with a tight-knit and entrepreneurial community that welcomes students and faculty from around the world.

To find out more, visit: ok.ubc.ca.

Media Contact

Patty Wellborn
E-mail: patty.wellborn@ubc.ca

Content type: Media Release
More content from: School of Engineering

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About UBC Okanagan

UBC’s Okanagan campus is an innovative hub for research and learning founded in partnership with local Indigenous peoples, the Syilx Okanagan Nation, in whose traditional, ancestral and unceded territory the campus resides. The most established and influential global rankings all consistently place UBC in the top five per cent of universities in the world, and among the top three Canadian universities.

The Okanagan campus combines a globally recognized UBC education with a tight-knit and entrepreneurial community that welcomes students and faculty from around the world in British Columbia’s stunning Okanagan Valley. For more visit ok.ubc.ca.

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