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Vol. 142, No. 7, July 2012, pp. 87-94

 

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Deployment of Wireless Sensor Network for the Measurement of Exhaled Nitric Oxide in In-home Healthcare

 

a* Elango SURENDRAN, b Mathivanan NATARAJAN, bArun Venkatesh KRISHNA, b Vairamani KANAGAVEL,
c Karunakaran CHANDRAN, c Madasamy THANGAMUTHU, c Pandiaraj MANICKAM

a Department of Computer Science, VHNSN College, Virudhunagar-626001, Tamil Nadu, India

b University Science Instrumentation Centre, Madurai Kamaraj University,
Madurai-625021, Tamil Nadu, India

c Biomedical Research Laboratory, Department of Chemistry, VHNSN College,
Virudhunagar-626001, Tamil Nadu, India

* Tel.: +91 94436 60267

E-mail: vnrselango@yahoo.com

 

Received: 28 April 2012   /Accepted: 23 July 2012   /Published: 31 July 2012

Digital Sensors and Sensor Sysstems

 

Abstract: In-home healthcare facilitates people monitor health related parameters in a domestic place and provide vital information for medical diagonosis. The exhaled nitric oxide (ENO) is a promising parameter for the diagnosis and the treatment in human lungs disorder. The present work employs a home made NO sensor connected to wireless sensor network (WSN) for determining the ENO level of the user in parts per billion (ppb). The prototype system has been calibrated using saturated NO solution of fixed concentarations before taking actual breath samples. The sensor design, amperometric measurement circuit and the operation of WSN hardware and WSN software are described in this paper. Sensor calibration studies have been done using three home made NO sensors. The correlation coefficient and percentage of error of all three studies have been calculated and reported.

 

Keywords: Exhaled nitric oxide, In-home healthcare, Wireless Sensor Network, NO sensor, Amperometric measurement, Virtual instrumentation

 

 

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