Ultrasensitive detection of nitrogen oxides over a nanoporous membrane |
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| Authors: | Prabhakar Amlendu Iglesias Rodrigo A Wang Rui Tsow Francis Forzani Erica S Tao Nongjian |
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| Affiliation: | Center for Bioelectronics and Biosensors, the Biodesign Institute, Arizona State University, Tempe, Arizona 85287, USA. |
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| Abstract: | A nitrogen oxide (NO(x); x = 1, 2) optical sensor with an extremely low detection limit in the range of fractions of ppbV (0.3 ppbV for 20 s sample injection) is presented. Phenylenediamine derivatives are utilized as molecular probes in the solid state on a nanoporous membrane to produce a miniaturized and low cost sensing platform for use as a wearable personal monitor. |
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