Azam Gholizadeh, Clifford Weisel, and Rutgers colleagues have created a graphene sensor for early molecular diagnosis of asthma attacks. The goal is the development of wearables that will alert users to take medicine, as well as determine appropriate dosages.
Current non-invasive detection methods, such as spirometry, are limited in characterizing the nature and degree of airway inflammation, and require expensive, bulky equipment.
The miniaturized electrochemical sensor measures nitrite in exhaled breath condensate using reduced graphene oxide. Its rapid measurements can help asthma sufferers determine if air pollutants are affecting them, to better manage their medication and physical activity, and, hopefully, prevent complications, hospitalizations, and even deaths.
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