Simple and rapid colorimetric detection of p-nitrophenyl substituent organophosphorous nerve agents
We report a very simple and rapid chemical method for the detection of paraoxon and its p-nitrophenyl organophosphorous derivatives. The method uses only sodium borohydride followed by thermal enhancement that increases the sensitivity by two orders of magnitude. Visible, yellow color change of the...
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| Veröffentlicht in: | Sensors and actuators. B, Chemical Chemical, 2015-02, Vol.207, p.370-374 |
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| container_title | Sensors and actuators. B, Chemical |
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| creator | Bui, Minh-Phuong N. Abbas, Abdennour |
| description | We report a very simple and rapid chemical method for the detection of paraoxon and its p-nitrophenyl organophosphorous derivatives. The method uses only sodium borohydride followed by thermal enhancement that increases the sensitivity by two orders of magnitude. Visible, yellow color change of the neurotoxins caused by p-nitrophenolate ions can be rapidly observed at micromolar concentrations while UV–vis measurements enable unprecedented detection at the nanomolar level. |
| doi_str_mv | 10.1016/j.snb.2014.10.010 |
| format | Article |
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| ispartof | Sensors and actuators. B, Chemical, 2015-02, Vol.207, p.370-374 |
| issn | 0925-4005 1873-3077 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Actuators Borohydrides Color Colorimetric chemical sensor Colorimetry Derivatives Naked-eye detection Nanostructure Organophosphate neurotoxins p-nitrophenyl Paraoxon Sodium Toxins |
| title | Simple and rapid colorimetric detection of p-nitrophenyl substituent organophosphorous nerve agents |
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