Nitrite sensor to aid people with asthma

The existence of comparatively elevated concentrations of nitrite (NO2) in the breath that we exhale may be investigative of the occurrence of provocative processes inside the airways, and so calculating it may be an efficient method of performing premature discovery of the beginning of the signs of asthma and different conditions related to the respiratory system. Gadgets that are able to calculate nitrite are impractical and bulky for daily use, but scientists of Rutgers University have now designed a sensor based on graphene for calculating the concentration of nitrite in the air that we exhale, which they believe will outcome in a novel approach to managing and monitoring asthma and alike circumstances, assisting patients to prevent attacks prior to they even begin.

As stated above, the nitrite sensor is based on graphene, a horizontal carbon atoms’ sheet, and can be prepared resilient and small enough for patients to take along with them all through their day. If it arrives the clinical phase, the sensing technology will be employed to frequently take readings of nitrite in the air that we exhale, potentially assisting to choose when and how much of an anti-inflammatory to consume.

“We used the exceptional characteristics of abridged graphene oxide (rGO); particularly, the substance is tough to decay while displaying quick transfer of electron with electrolytes, consequently permitting for extremely responsive electrochemical discovery with negligible fouling. Our rGO sensor was kept in an electrochemical cell made-up from polydimethyl siloxane (PDMS), which was required to examine small EBC sample quantities. The sensor is able to detect nitrite at a small over-potential quantity of 0.7 V relating to an Ag/AgCl reference electrode,” said the company on its blog.

Right now, the nitrate sensor is under various tests. These tests are conducted in order to make them safe for the human use. Also, the sensor is on the verge of getting the FDA approval. Once all these tests are cleared, the sensor is all set to become commercial.

Having said this, we cannot miss the fact that these sensors will prove to be a boon for the patients suffering from asthma and various other respiratory diseases.

Vaibhav Bhosale undertook the post of Content Writer at Medical Device News in November 2016, following a 1.2-year of experience as an Project Lead; Instructional Writer at eNyota Learning Pvt. Ltd. His immense interest in reading brought him in this field. He can be reached at