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Systematic Performance Evaluation of Nanoparticulate ZnO Thin Film Based Chemoresistive Sensor for Food Safety

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  RRV07108,  ASABE/CSBE North Central Intersectional Meeting. (doi: 10.13031/2013.24169) @2007
Authors:   Sindhuja Sankaran, Suranjan Panigrahi
Keywords:   Gas sensor, Acetic acid, Zinc oxide sensor, Food safety

Volatile organic compounds (VOCs) such as organic acids released by bacterial pathogens is being used as an indicator for detecting microbial contamination in food by our research group. One of our current research thrust is to develop novel sensor that will be sensitive to a specific compounds (at room or low operating temperature) associated with food safety. Nanoparticulate zinc oxide (ZnO) based sensors are potential sensors known to exhibit good sensitivity to several VOCs at elevated temperature. Not much work has been done to evaluate the performance of ZnO based sensing material at low operating temperature.

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