Recent Trends in Thin Film Ammonia Gas Sensor for Medical Applications
Author(s):
Arjun SR, Sharon Carol Pereira, Deepthi J, Harshita DS, Vathsala S
Keywords:
Ammonia gas sensor, thin film, V₂O5, Spray pyrolysis, Interdigitated electrode.
Abstract
Ammonia is corrosive in nature, effects the soil acidification, throat and respiratory tract infection, lungs damage or death. Ammonia gas sensor plays vital role in detecting ammonia concentrations. Ammonia gas detectors are an essential part of workplace safety. A thin film is a layer of material ranging from fractions of a nanometer to several micrometers in thickness. The gas sensor based on thin films is a low-cost fabrication and portable device to measure the ammonia concentration. The spray pyrolysis is a process in which thin film is deposited by spraying a solution on heated surface, where the constituents react to form a chemical compound. Interdigitated electrode is made up of two individually addressable interdigitated comb like electrode structures using silver paste. The analysis of body fluids like blood, sputum and urine for disease diagnosis and monitoring is routine clinical practice. Human breath analysis methodologies that exploit the non-invasive of such approach are still underdeveloped. The ammonia smell in the mouth of the kidney failure patients is associated with high levels of blood, urea and nitrogen. When the kidneys are not functioning properly, blood nitrogen will accumulate into the body.
Article Details
Unique Paper ID: 154656

Publication Volume & Issue: Volume 8, Issue 12

Page(s): 20 - 25
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