Ormosil-coated conjugated polymers for the detection of explosives in aqueous environments
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A fluorescence-based sensor for detecting explosives, based on a conjugated polymer coated with an ormosil layer, has been developed for use in aqueous environments. The conjugated polymer Super Yellow was spin-coated onto glass substrates prior to a further spin-coating of an MTEOS/TFP-TMOS-based ormosil film, giving an inexpensive, solution-based barrier material for ruggedization of the polymer to an aqueous environment. The sensors showed good sensitivity to 2,4-DNT in the aqueous phase at micromolar and millimolar concentrations, and also showed good recovery of fluorescence when the explosive was removed.
Gillanders , R N , Campbell , I A , Glackin , J M E , Samuel , I D W & Turnbull , G A 2018 , ' Ormosil-coated conjugated polymers for the detection of explosives in aqueous environments ' , Talanta , vol. 179 , pp. 426-429 . https://doi.org/10.1016/j.talanta.2017.10.062
© 2017, Elsevier BV. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1016/j.talanta.2017.10.062
DescriptionThis project has received funding from the TIRAMISU project, funded by the European Commission’s Seventh Framework Programme (FP7/2007-2013) under grant agreement 284747, and the Engineering and Physical Sciences Research Council under grants EP/K503940/1, EP/K503162/1, EP/N509759/1. IDWS acknowledges a Royal Society Wolfson Research Merit Award. The research data supporting this publication can be accessed at http://dx.doi.org/10.17630/3875a099-bb75-4ae1-82e5-0b98b6b7ebc6.
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