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‘Optical Dog’s Nose’ Developed to Detect Disease, Infections Through Breath Analysis (VIDEO)

July 10th, 2015 Rukmani Sridharan Diagnostics, Medicine, Oncology, Pathology

electronic-dog's-noseIt has been long known that malignant tissues release chemicals that are different from normal tissues, and dogs have the ability to sniff out some of these subtle differences in breath samples. Australian researchers at the University of Adelaide are now on the road to developing a laser system that can analyze a person’s breath and screen for a variety of diseases including cancer, infections and diabetes, mimicking the abilities of dogs. The study, published in the journal Optics Express, describes the development of a fast, non-invasive laser-based system for optical analysis of the molecules in patients’ breath.

The laser is called an optical frequency comb, a device that at the same time flashes light beams of different frequencies at the air sample. The composition of the breath modulates and attenuates this light in different ways, and finding relevant markers within the resulting light beams may help spot disease. The researchers are now working on a way sample and interpret the results from several patients and account for sample variability. The product is expected to be commercialized in the next two to three years.

 

Study in Optics Express: A quantitative mode-resolved frequency comb spectrometer…

Source: University of Adelaide…

Rukmani Sridharan

Rukmani Sridharan, PhD is a Postdoctoral Researcher in the Royal College of Surgeons, Ireland, where she investigates the effect of implanted biomaterials on the immune system. She completed her master's in biomedical engineering (from Czech Republic and Ireland) and has worked on diverse biomedical solutions such as immune engineering, nerve regeneration and stem cell therapy. She avidly follows all scientific and medical news, and is passionate about engaging the public in understanding scientific discoveries.

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