Applications and advances in electronic-nose technologies

Area of Science:

• Sensor Technology
• Applied Sciences
• Biomedical Engineering

Background:

• Electronic nose (e-nose) devices have garnered significant attention in sensor technology over the last two decades.
• Advances in sensor design, materials, software, and microcircuitry have driven recent applications.
• The development of novel e-nose sensor types and arrays correlates with the expansion of their applications.

Purpose of the Study:

• To review major electronic nose technologies developed since the mid-1980s.
• To summarize key applications of e-nose technology that have provided significant benefits.
• To highlight the impact of e-nose advancements on various scientific and commercial fields.

Main Methods:

• Review of historical development of electronic nose technologies.
• Analysis of recent advancements in sensor design, materials, and system integration.
• Compilation and summarization of diverse industrial and scientific applications.

Main Results:

• Electronic noses offer substantial benefits to numerous industries including agriculture, food, pharmaceuticals, and manufacturing.
• Improvements in product quality, uniformity, and consistency are achieved through e-nose monitoring.
• E-nose technology has expanded its utility through innovations in detection principles and array designs.

Conclusions:

• Electronic nose technology has evolved considerably, becoming a valuable tool across a wide spectrum of applications.
• The integration of e-nose systems enhances quality control throughout industrial processes.
• Continued innovation in sensor technology promises further expansion of electronic nose applications for societal benefit.