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A photonic crystal based sensing scheme for acetylcholine and acetylcholinesterase inhibitors

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Fenzl, Christoph ; Genslein, Christa ; Zöpfl, Alexander ; Bäumner, Antje ; Hirsch, Thomas
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Date of publication of this fulltext: 24 Feb 2016 14:55


We present a new scheme for sensing biomolecules by combining an enzyme hydrogel with a photonic crystal hydrogel layer that responds to ionic strength and pH changes. We demonstrate this unique combination by successfully detecting acetylcholine (ACh) and acetylcholinesterase (AChE) inhibitors. Specifically, the sandwich assembly is composed of layers of photonic crystals and a polyacrylamide ...


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