Interesting topic. Electronic nose technology has been around a very long time. In the early 2000’s, SAW technology was thought to be in the lead. Now there

Interesting topic. Electronic nose technology has been around a very long time. In the early 2000’s, SAW technology was thought to be in the lead. Now there are a variety of technologies. Here is a Google Scholar search link showing the research: https://scholar.google.com/scholar?q=electronic+nose+biomarkers&hl=en&as_sdt=0&as_vis=1&oi=scholart https://scholar.google.com/scholar?q=electronic+nose+biomark...