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J Med Syst. 2014 Feb;38(2):15. doi: 10.1007/s10916-014-0015-3. Epub 2014 Feb 1.

Construction and application of an intelligent air quality monitoring system for healthcare environment.

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Department of Computer Engineering, Tunghai University, 1727 Taiwan Blvd., Sec. 4, Xitun Dist., Taichung City, Taiwan, Republic of China.


Indoor air quality monitoring in healthcare environment has become a critical part of hospital management and policy. Manual air sampling and analysis are cost-inhibitive and do not provide real-time air quality data and response measures. In this month-long study over 14 sampling locations in a public hospital in Taiwan, we observed a positive correlation between CO(2) concentration and population, total bacteria, and particulate matter concentrations, thus monitoring CO(2) concentration as a general indicator for air quality could be a viable option. Consequently, an intelligent environmental monitoring system consisting of a CO(2)/temperature/humidity sensor, a digital plug, and a ZigBee Router and Coordinator was developed and tested. The system also included a backend server that received and analyzed data, as well as activating ventilation and air purifiers when CO(2) concentration exceeded a pre-set value. Alert messages can also be delivered to offsite users through mobile devices.

[Indexed for MEDLINE]

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