Recent progress on the sensing and monitoring of sulfur dioxide in the environment is presented. The sensing materials covered include potentiometric gas sensors, amperometric sensors, optical sensors involving colorimetric and fluorescence changes, sensors based on ionic liquids, semiconducting metal-oxide sensors, photoacoustic detectors and biosensors.
Table of Contents
1. Introduction
2. Environmental effects associated with SO2 emissions
3. Health effects of SO2 exposure
4. Classification of gas sensors
(I) Potentiometric gas sensors
(II) Amperometric gas sensors
(III) Optical sensors involving colorimetric and fluorescence changes
(IV) Ionic liquids (ILs) based sensors
(V) Semiconducting metal-oxide based sensors (SMOXs)
(VI) Sensors based on photoacoustic detection
5. Biosensing of SO2
Conclusions
Acknowledgments
References
About the authors
Author
Loveleen Kaur Gulati
The author received a BSc (Hons.) in Chemistry from St. Stephen’s College, University of Delhi (India) in 2013, and an MSc in Chemistry from the University of Delhi in 2015. She is working as a research fellow under the supervision of Dr. Satish Kumar at St. Stephen’s College. The research aimed at the development of photochromic receptors for toxic analyte sensing.
Gurleen Kaur Gulati
The author received a BSc (Hons.) in Chemistry from St. Stephen’s College, University of Delhi (India) in 2013, and an MSc in Chemistry from the University of Delhi in 2015. She is working as a research fellow under the supervision of Dr. Satish Kumar at St. Stephen’s College. The research involved the synthesis of macrocyclic receptors for the detection of toxic ions.
Satish Kumar
The author is an assistant professor in the Department of Chemistry at St. Stephen’s College, University of Delhi. During the last 18 years, Dr. Satish Kumar has worked in interdisciplinary areas covering theoretical chemistry, nanochemistry, and application of principles of molecular recognition to design molecular receptors. Dr. Satish Kumar has published several research papers related to the development of receptors for neutral molecules, anions, and cations. He has 16 years of teaching experience.
