Journal
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
Volume 406, Issue 16, Pages 3941-3956Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-014-7807-7
Keywords
Chemical sensor arrays; Pattern recognition; Chemometrics; Electronic noses; Robustness; Signal and data processing
Funding
- Spanish Ministerio de Economia y Competitividad [TEC2011-26143]
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Over the last two decades, electronic nose research has produced thousands of research works. Many of them were describing the ability of the e-nose technology to solve diverse applications in domains ranging from food technology to safety, security, or health. It is, in fact, in the biomedical field where e-nose technology is finding a research niche in the last years. Although few success stories exist, most described applications never found the road to industrial or clinical exploitation. Most described methodologies were not reliable and were plagued by numerous problems that prevented practical application beyond the lab. This work emphasizes the need of external validation in machine olfaction. I describe some statistical and methodological pitfalls of the e-nose practice and I give some best practice recommendations for researchers in the field.
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