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Proceedings 2018, 2(13), 1109; https://doi.org/10.3390/proceedings2131109

Detection of Ammonia Based on Stimuli-Responsive Hydrogels

Solid-State Electronics Laboratory, Technische Universität Dresden, 01069 Dresden, Germany
Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018.
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Published: 7 December 2018
PDF [666 KB, uploaded 7 December 2018]

Abstract

This article describes an ammonia-responsive hydrogel based on acrylic acid (AAc) and 2-(dimethylamino)ethyl methacrylate (DMAEMA). The influence of the hydrogel composition on swelling behavior in the alkaline range was shown. Furthermore, the hydrogel swelling in ammonia solutions was tested and a detection limit in the range of 1 mmol/L ammonia in dependence of the buffer solution was determined.
Keywords: stimuli-responsive hydrogel; ammonia; pH value; alkaline pH conditions; chemical sensor stimuli-responsive hydrogel; ammonia; pH value; alkaline pH conditions; chemical sensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Erfkamp, J.; Guenther, M.; Gerlach, G. Detection of Ammonia Based on Stimuli-Responsive Hydrogels. Proceedings 2018, 2, 1109.

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