Degradation of Sub-Micrometer Sensitive Polymer Layers of Acoustic Sensors Exposed to Chlorpyrifos Water-Solution

Autor:	David Rabus, Fanny Lotthammer, Joscelyn Degret, Lilia Arapan, Frank Palmino, Jean-Michel Friedt, Frédéric Cherioux
Jazyk:	angličtina
Rok vydání:	2022
Předmět:	SAW pesticide sensing layer aqueous stability Chemical technology TP1-1185
Zdroj:	Sensors, Vol 22, Iss 3, p 1203 (2022)
Druh dokumentu:	article
ISSN:	1424-8220
DOI:	10.3390/s22031203
Popis:	The detection of organophosphates, a wide class of pesticides, in water-solution has a huge impact in environmental monitoring. Acoustic transducers are used to design passive wireless sensors for the direct detection of pesticides in water-solution by using tailored polymers as sensitive layers. We demonstrate by combining analytical chemistry tools that organophosphate molecules strongly alter polymer layers widely used in acoustic sensors in the presence of water. This chemical degradation can limit the use of these polymers in detection of organophosphates in water-solution.
Databáze:	Directory of Open Access Journals
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