| Title: | Benzo[ghi]perylene and coronene as ratiometric fluorescence probes for the selective sensing of nitroaromatic explosives |
| Author(s): | Hussain E; Li Y; Cheng C; Zhuo H; Shahzad SA; Ali S; Ismail M; Qi H; Yu C; |
| Address: | "State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China; Department of Chemistry, Faculty of Life Sciences, Karakoram International University Gilgit, 15100, Gilgit-Baltistan, Pakistan. Electronic address: dr.ejazhussain@kiu.edu.pk. State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China. Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan. Department of Chemistry, Faculty of Life Sciences, Karakoram International University Gilgit, 15100, Gilgit-Baltistan, Pakistan. Tumor Hospital of Jilin Province, Changchun, 130061, PR China. Electronic address: 1037757030@qq.com. State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China. Electronic address: congyu@ciac.ac.cn" |
| DOI: | 10.1016/j.talanta.2019.120316 |
| ISSN/ISBN: | 1873-3573 (Electronic) 0039-9140 (Linking) |
| Abstract: | "A simple and efficient fluorometric sensing method is developed for the rapid detection of nitroaromatic explosives, based on the quenching of monomer and excimer emission of benzo[ghi]perylene and coronene. The ratiometric method (I(E)/I(M)) offers a linear response as a function of the concentration of picric acid (PA, i.e. 2,4,6-trinitrophenol), which is used as a model example of the nitroaromatic compounds (NOCs). The detection range is observed to be 0.1-120?ª+muM of PA (22.9?ª+ppb-27.5?ª+ppm). The bright emission of the stable probe excimer and monomer can be easily distinguished under UV lamp from the quenched solution with nitro-aromatic molecules that enables naked-eye detection of nitro-aromatic explosives. The fluorescent paper strips prepared by embedding the probes on the surface of the paper are used for fast, portable and selective detection of NOCs. Our optimized methods can easily detect and quantify NOCs down to 0.1?ª+muM. The sensing process is free of commonly encountered interferences such as volatile organic compounds (VOCs), acids, bases, oxygen, and salt solutions" |
| Keywords: | Fluorescence probes Fluorescent strips Nitroaromatic explosives Ratiometric sensing Visual detection; |
| Notes: | "PubMed-not-MEDLINEHussain, Ejaz Li, Yongxin Cheng, Cheng Zhuo, Huipeng Shahzad, Sohail Anjum Ali, Sajjad Ismail, Mohammad Qi, Hong Yu, Cong eng Netherlands 2019/10/09 Talanta. 2020 Jan 15; 207:120316. doi: 10.1016/j.talanta.2019.120316. Epub 2019 Sep 3" |
