The Application and Advance of Electronic Nose

Dear Colleagues,

Electronic noses, and their synonym terms (chemical sensing, odor analyzer, machine olfaction, among others), refers to an instrument based on a mechanism for chemical detection of volatiles and a mechanism for pattern recognition and machine learning. Since its appearance at the beginning of the 80s of the 20th century, electronic noses have been evolving in their sensor technology, machine learning tools and the diversity of possible applications. Quality control in the food, beverage and cosmetic industry, air quality and environment monitoring, healthcare and medical diagnosis, and civilian and military security, among others, are applications where electronic noses have progressively gained in popularity. Despite the advances and benefits of electronic nose instruments, there are still many technical and practical challenging issues to solve: short- and long-term drifts, lack of sensitivity, lack of reproducibility, non-linear responses, confounding factors, lack of standardization, and so on. The concurrence of multidisciplinary knowledge should help to overcome these issues. The topics covered in this Special Issue will include recent advances both in machine learning and sensor technology as well as improvements in the practical application of electronic noses. Original research articles are welcomed from a broad diversity of disciplines and fields of knowledge as engineering, computer science, machine learning, medicine, analytical science, environmental science, sensors technologies and chemometrics, to highlight the latest developments in the topic of electronic noses.

The Special Issue will cover, but not limited, to the following topics:

• Gas sensors for electronic noses
• Electronic noses and Instruments for volatile detection
• Chemometrics, pattern recognition and machine learning
• Electronic nose applications
• Electronic noses standardization.

Dr. Antonio Pardo Martínez
Dr. Luis Fernandez Romero
Guest Editors

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