NDLI: Organophosphate sensing with vic-dioximes using QCM sensors

Content Provider	IEEE Xplore Digital Library
Author	Şen, Z. Gürol, I. Gümüş, G. Musluoǧlu, E. Harbeck, M. Arisen, V. Öztürk, Z.Z.
Copyright Year	2010
Description	Author affiliation: Materials Institute, TÜBITAK Marmara Research Center, Gebze, Turkey (Şen, Z.; Gürol, I.; Gümüş, G.; Musluoǧlu, E.; Harbeck, M.) \|\| Faculty of Science, Gebze Institute of Technology, Turkey (Arisen, V.; Öztürk, Z.Z.)
Abstract	Vic-dioximes, a class of organic chemical compounds, are proposed for the first time as effective sensing materials for the detection and quantification of organophosphates with chemical gas sensors. The described vic-dioximes are derivatives of glyoxime and were substituted in 1,2 positions with alkylthiols of varying chain lengths. These oximes in the free form are powerful H bond donors that interact strongly but reversibly with H bond acceptors such as organophosphates leading to a high and selective enrichment of these molecules in the sensitive material. Using 10 MHz quartz crystal microbalance sensors an extraordinary high sensitivity (up to 260 Hz/ppm) to the test analyte dimethyl methylphosphonate (DMMP) and detection limits in the low parts-per-billion range were obtained. At the same time, the humidity influence and cross-interferences to common volatile organic compounds are low. The substituted vic-dioximes are obtainable via a simple synthesis route and thus readily available as sensing material for chemical sensors.
Starting Page	2127
Ending Page	2130
File Size	521289
Page Count	4
File Format	PDF
ISBN	9781424481705
ISSN	19300395
e-ISBN	9781424481699
e-ISBN	9781424481682
DOI	10.1109/ICSENS.2010.5690501
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensors Sensitivity Materials Compounds Chemical sensors Chemicals Metals
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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