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. 2019 Mar 14;19(6):1296. doi: 10.3390/s19061296

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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P3HT NF-sensor response to injections of 5 mL (cyan curve) and 10 mL (dark grey curve) of water vapor saturated at 25 °C, using nitrogen as the carrier gas and the same experimental conditions (carrier flow rate, temperature and ambient pressure) used along tests carried out to measure in-flow acetone response of P3HT NF sensing elements. The orange dashed curve represents the response of the sensing element to 5 mL of acetone. In the inset: magnification of the response of the sensing element to 5 and 10 mL of water vapor (cyan and dark grey curve, respectively).