Optical sensor arrays: one-pot, multiparallel synthesis and cellulose immobilization of pH and metal ion sensitive azo-dyes |
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Authors: | Tommaso Carofiglio Carlo Fregonese Federico Rastrelli |
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Institution: | a Departimento di Scienze Chimiche, Università di Padova, Via Marzolo 1, 35131 Padova, Italy b Institute of Phys. Chem., Friedrich-Schiller University Jena, Lessing St. 10, D-07743 Jena, Germany |
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Abstract: | A sixteen component array of acid-base and metal ion sensors was synthesized and covalently immobilized onto a transparent cellulose-based membrane. Dye synthesis and cellulose dyeing were carried out in one-pot, parallel, microscale reactions not requiring any isolation or purification steps. In addition, pH and metal ion optical sensing properties of the sixteen component array have been tested using a high-throughput screening based on digital imaging analysis. |
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Keywords: | Sensor arrays Azo-dyes |
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