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Portable hydrogel-based tri-channel fluorescence sensor array for visual detection of multiple explosives.
- Source :
- Nano Research; Jul2024, Vol. 17 Issue 7, p6483-6492, 10p
- Publication Year :
- 2024
-
Abstract
- The identification and detection of various types of explosives are essential for human health and environmental monitoring. Array-based sensing approach offers significant advantages in detecting multi-analytes simultaneously, thereby holding great potential in identifying multiple explosives. Here, we report a tri-channel fluorescence array composed of three distinct fluorescence probes based on gold nanoclusters and nicotinamide adenine dinucleotide with well-separated emission colors. Through the specific interactions of explosives with different fluorescent probes and the yielded response patterns, seven explosives can be successfully distinguished with 100% accuracy. In particular, the sensor array exhibits excellent performance in the quantitative analysis of individual explosive and the differentiation of multiple explosive mixtures. To facilitate the field detection towards practical application, the tri-channel fluorescence array was further integrated with polymer hydrogels. The fabricated portable hydrogel-based array sensors can not only visually identify seven different explosives by their distinct fluorescence color change, but also enable quantitative detection based on linear discriminant analysis (LDA) together with a smartphone. This study illustrates the great potential of hydrogel-based fluorescence sensor array as robust sensors for explosives, which also holds significant promise for the development of portable explosive devices towards practical application. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 19980124
- Volume :
- 17
- Issue :
- 7
- Database :
- Complementary Index
- Journal :
- Nano Research
- Publication Type :
- Academic Journal
- Accession number :
- 178276869
- Full Text :
- https://doi.org/10.1007/s12274-024-6549-x