**Author details**

Mourad Roudjane<sup>1</sup> \*† and Younès Messaddeq1,2†

1 Center for Optics, Photonics and Lasers (COPL), Department of Physics, Université Laval, Québec, Canada

2 Instituto de Química, UNESP, C.P, Araraquara, SP, Brazil

\*Address all correspondence to: mourad.roudjane.1@ulaval.ca

† M.R wrote the chapter and Y.M revised and approved the text.

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*Innovative Wearable Sensors Based on Hybrid Materials for Real-Time Breath Monitoring DOI: http://dx.doi.org/10.5772/intechopen.93658*
