Detection of a Nerve Agent Simulant by a Fluorescent Sensor Array

被引:11
|
作者
Santonocito, Rossella [1 ]
Spina, Mario [1 ]
Puglisi, Roberta [1 ]
Pappalardo, Andrea [1 ,2 ]
Tuccitto, Nunzio [1 ,3 ,4 ]
Trusso Sfrazzetto, Giuseppe [1 ,2 ]
机构
[1] Univ Catania, Dept Chem Sci, Viale Andrea Doria 6, I-95125 Catania, Italy
[2] Natl Interuniv Consortium Mat Sci & Technol INSTM, Res Unit Catania, I-95125 Catania, Italy
[3] Univ Catania, Dept Chem Sci, Lab Mol Surfaces & Nanotechnol LAMSUN, Viale Andrea Doria 6, I-95125 Catania, Italy
[4] CSGI, Viale Andrea Doria 6, I-95125 Catania, Italy
关键词
nerve agents; optical array; selectivity; smartphone; CHARGE-TRANSFER; CHEMOSENSORS; GAS;
D O I
10.3390/chemosensors11090503
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Detection of nerve agents (NAs) gas in the environment through portable devices to protect people in case of emergencies still remains a challenge for scientists involved in this research field. Current detection strategies require the use of cumbersome, expensive equipment that is only accessible to specialized personnel. By contrast, emerging optical detection is one of the most promising strategies for the development of reliable, easy readout devices. However, the selectivity of the existing optical sensors needs to be improved. To overcome the lack of selectivity, the innovative strategy of the optical arrays is under evaluation due to the specific response, the ease of preparation, the portability of the equipment, and the possibility to use affordable detectors, such as smartphones, that are easily accessible to non-specialized operators. In this work, the first optical-based sensor array for the selective detection of gaseous dimethylmethylphosphonate (DMMP), a NAs simulant, is reported, employing a simple smartphone as a detector and obtaining remarkably efficient and selective detection.
引用
收藏
页数:12
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