Title | Wireless Hazard Badges to Detect Nerve-Agent Simulants |
Publication Type | Journal Article |
Year of Publication | 2016 |
Authors | Zhu, R, Azzarelli, JM, Swager, TM |
Journal | Angewandte Chemie International Edition |
Volume | 55 |
Pagination | 9662 - 9666 |
Abstract | Human exposure to hazardous chemicals can have adverse short- and long-term health effects. In this Communication, we have developed a single-use wearable hazard badge that dosimetrically detects diethylchlorophosphate (DCP), a model organophosphorous cholinesterase inhibitor simulant. Improved chemically actuated resonant devices (CARDs) are fabricated in a single step and unambiguously relate changes in chemiresistance to a wireless readout. To provide selective and readily manufacturable sensor elements for this platform, we developed an ionic-liquid-mediated single walled carbon nanotube based chemidosimetric scheme with DCP limits of detection of 28 ppb. As a practical demonstration, an 8 h workday time weighted average equivalent exposure of 10 ppb DCP effects an irreversible change in smartphone readout. |
URL | http://onlinelibrary.wiley.com/doi/10.1002/anie.201604431/abstract |
DOI | 10.1002/anie.201604431 |