Fluctuation-Enhanced Sensing (FES): A Promising Sensing Technique

Fluctuation-enhanced sensing (FES) is a very powerful odor and gas sensing technique and as such it can play a fundamental role in the control of environments and, therefore, in the protection of health. For this reason, we conduct a comprehensive survey on the state-of-the-art of the FES technique,...

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Main Authors: Graziella Scandurra, Janusz Smulko, Laszlo B. Kish
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/10/17/5818
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author Graziella Scandurra
Janusz Smulko
Laszlo B. Kish
author_facet Graziella Scandurra
Janusz Smulko
Laszlo B. Kish
author_sort Graziella Scandurra
collection DOAJ
description Fluctuation-enhanced sensing (FES) is a very powerful odor and gas sensing technique and as such it can play a fundamental role in the control of environments and, therefore, in the protection of health. For this reason, we conduct a comprehensive survey on the state-of-the-art of the FES technique, highlighting potentials and limits. Particular attention is paid to the dedicated instrumentation necessary for the application of the FES technique and also in this case limits and possible future developments are highlighted. In particular, we address resolution, measurement speed, reproducibility, memory, noise, and other problems such as the influence of humidity. A number of techniques and guidelines are proposed to overcome these problems. Circuit solutions are also discussed.
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spelling doaj.art-c352535f0c6441e6b3d5a07f8fdebe272023-11-20T11:01:29ZengMDPI AGApplied Sciences2076-34172020-08-011017581810.3390/app10175818Fluctuation-Enhanced Sensing (FES): A Promising Sensing TechniqueGraziella Scandurra0Janusz Smulko1Laszlo B. Kish2Department of Engineering, University of Messina, I-98166 Messina, ItalyDepartment of Metrology and Optoelectronics, Gdańsk University of Technology, 80-233 Gdańsk, PolandDepartment of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843-3128, USAFluctuation-enhanced sensing (FES) is a very powerful odor and gas sensing technique and as such it can play a fundamental role in the control of environments and, therefore, in the protection of health. For this reason, we conduct a comprehensive survey on the state-of-the-art of the FES technique, highlighting potentials and limits. Particular attention is paid to the dedicated instrumentation necessary for the application of the FES technique and also in this case limits and possible future developments are highlighted. In particular, we address resolution, measurement speed, reproducibility, memory, noise, and other problems such as the influence of humidity. A number of techniques and guidelines are proposed to overcome these problems. Circuit solutions are also discussed.https://www.mdpi.com/2076-3417/10/17/5818fluctuation-enhanced sensingnoisegas sensinglow noise instrumentation
spellingShingle Graziella Scandurra
Janusz Smulko
Laszlo B. Kish
Fluctuation-Enhanced Sensing (FES): A Promising Sensing Technique
Applied Sciences
fluctuation-enhanced sensing
noise
gas sensing
low noise instrumentation
title Fluctuation-Enhanced Sensing (FES): A Promising Sensing Technique
title_full Fluctuation-Enhanced Sensing (FES): A Promising Sensing Technique
title_fullStr Fluctuation-Enhanced Sensing (FES): A Promising Sensing Technique
title_full_unstemmed Fluctuation-Enhanced Sensing (FES): A Promising Sensing Technique
title_short Fluctuation-Enhanced Sensing (FES): A Promising Sensing Technique
title_sort fluctuation enhanced sensing fes a promising sensing technique
topic fluctuation-enhanced sensing
noise
gas sensing
low noise instrumentation
url https://www.mdpi.com/2076-3417/10/17/5818
work_keys_str_mv AT graziellascandurra fluctuationenhancedsensingfesapromisingsensingtechnique
AT januszsmulko fluctuationenhancedsensingfesapromisingsensingtechnique
AT laszlobkish fluctuationenhancedsensingfesapromisingsensingtechnique