Researchers at Stony Brook University in the United States have developed an electronic nose sensor that can be used not only to detect disease but also to diagnose its development; this nanowire-arrays ) The ultra-sensitive sensor can provide higher gas sensitivity, faster response speed, and lower detection level than traditional solutions, that is, it may not require blood draw, and it can be used for breathing. diagnosis.

The ultra-sensitive sensor developed by the research team led by Perena Gouma, a professor at the Center for Nanomaterials and Sensors Development at Stony Brook University, is currently entering clinical trials. In the test, diabetics will use the electronic nose to detect the concentration of acetone in the breath; the researchers said that the concentration data is proportional to the blood glucose concentration suppressed by the disease, and therefore no need to take blood samples .

According to Gouma, letting the electronic nose identify the chemical markers contained in the breathing of a particular patient can make it easier to detect or control the disease. For example, for asthma patients, the electronic nose containing the carbon monoxide sensor can be used to track the condition; even the more serious diseases such as lung cancer, which are difficult to detect at an early stage, can be discerned by the electronic nose.

The electronic nose is a sensor made of electrospinning nanofiber and nanowires to smell the chemical markers of disease.

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