Application of a novel lipophilized fluorescent dye in an optical nitrate sensor |
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| Authors: | Gerhard J Mohr Tobias Werner and Otto S Wolfbeis |
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| Institution: | (1) Institute of Organic Chemistry, Analytical Division, Karl-Franzens University, Heinrichstr. 28, A-8010 Graz, Austria |
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| Abstract: | A new lipophilic pH probe (1-hydroxypyrene-3,6,8-tris-octadecylsulfonamide) has been synthesized, and its spectral properties and applications in a solid state nitrate sensor are shown. The sensor is investigated with respect to sensitivity, limits of detection, and selectivity over other anions found in drinking water.Abbreviations used HPTS
trisodium-1-hydroxy-pyrene-3,6,8-trisul-fonate
- HPTS-TO
1-hydroxypyrene-tris-3,6,8-octadecylsulfonamide
- TDMACl
tridodecylmethylammonium chloride
- PVC
poly(vinyl chloride)
- DOS
bis-(2-ethylhexyl)-sebacate
- THF
tetrahydrofurane
- DMF
dimethylformamide |
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| Keywords: | Lipophilic fluorescent dye optical nitrate determination |
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