The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
One-Pot Synthesis of Fluorescent Silicon Nanoparticles for Sensitive and Selective Determination of 2,4,6-Trinitrophenol in Aqueous Solution
Abstract
Because 2,4,6-trinitrophenol (TNP) and its analogues such as 2,4,6-trinitrotoluene (TNT) possess similar chemical structures and properties, the reliable and accurate detection of TNP from its analogues still remains a challenging task. In the present work, a selective and sensitive method based on the water-soluble silicon nanoparticles (SiNPs) for the determination of TNP was established. The SiNPs with good thermostability and excellent antiphotobleaching capability were prepared via a simple one-pot method. Compared with the synthesized time of other nanomaterials with respect to the detection of TNP, this method avoided a multistep and time-consuming synthesis procedure. Significantly, the fluorescence of the SiNPs could be remarkably quenched by TNP via an inner filter effect. A wide linear range was obtained from 0.02 to 120 μg/mL with a limit of detection of 6.7 ng/mL. The method displayed excellent selectivity toward TNP over other nitroaromatic explosives. The proposed fluorescent method was successfully applied to the analysis of TNP. Moreover, a straightforward and convenient fluorescent filter paper sensor was developed for the detection of TNP, providing a valuable platform for TNP sensing in public safety and security.
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Cites
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Metadata
- Authors
- Han, Y., Chen, Y., Feng, J., Liu, J., Ma, S., & Chen, X.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-02-21
- Volume
- 89
- Issue
- 5
- Pages
- 3001-3008
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W2587538963
- Cited by
- 295
- References
- 26
- FWCI
- 14.11
- Type
- journal article
- Language
- en
- Open access
- closed
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- Han, Y., Chen, Y., Feng, J., Liu, J., Ma, S., & Chen, X. (2017). One-Pot Synthesis of Fluorescent Silicon Nanoparticles for Sensitive and Selective Determination of 2,4,6-Trinitrophenol in Aqueous Solution. Analytical Chemistry. https://doi.org/10.1021/acs.analchem.6b04509
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