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Home / Sensor Letters, Volume 9, Number 6

Surface Acoustic Wave Sensor Combining Gravimetric and Electrochemical Transductions: Application for Atrazine Detection

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Authors: Lattach, Y.; Fourati, N.; Zerrouki, C.; Fougnion, J. M.; Garnier, F.; Remita, S.

Source: Sensor Letters, Volume 9, Number 6, December 2011, pp. 2249-2252(4)

Publisher: American Scientific Publishers

DOI: https://doi.org/10.1166/sl.2011.1783

Herein we report the development of a chemical sensor based on Molecularly Imprinted Conducting Polymers (MICP) electrosynthesized over the sensing area of a lithium tantalate Surface Acoustic Wave (SAW) sensor. In our conditions, MICP films operate as electroactive receptor layers dedicated to the detection of atrazine target molecules. Film formation in the presence of atrazine, atrazine extraction and its further recognition by MICP, are followed by combined surface acoustic wave and electrochemical transductions. Real time simultaneous measurements allow the estimation of the times necessary for the different processes, which are found to be largely inferior to those mentioned in the literature. The developed system allows thus a better understanding of the MICP recognition process.

Keywords: GRAVIMETRIC DETECTION-ELECTROCHEMICAL DETECTION; MOLECULARLY IMPRINTED CONDUCTING POLYMERS (MICP); SURFACE ACOUSTIC WAVE (SAW) SENSOR

Document Type: Research Article

Publication date: 01 December 2011

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  • The growing interest and activity in the field of sensor technologies requires a forum for rapid dissemination of important results: Sensor Letters is that forum. Sensor Letters offers scientists, engineers and medical experts timely, peer-reviewed research on sensor science and technology of the highest quality. Sensor Letters publish original rapid communications, full papers and timely state-of-the-art reviews encompassing the fundamental and applied research on sensor science and technology in all fields of science, engineering, and medicine. Highest priority will be given to short communications reporting important new scientific and technological findings.
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