A colorimetric and NIR fluorescent probe for ultrafast detecting bisulfite and organic amines and its applications in food, imaging, and monitoring fish freshness
Copyright © 2023 Elsevier Ltd. All rights reserved..
Herein, for the first time, we have successfully constructed a novel near-infrared (NIR) emission fluorescent probe Dpyt for ultrafast detecting (within 5 s) bisulfate and organic amines based on a 1,2-dihydrocyclopenta[b]chromene-barbiturate conjugation system. Upon addition of bisulfate or organic amines, Dpyt displayed a distinct color change from blue to colorless or from purple to blue, respectively, suggesting that the Dpyt can be used to detect two analytes by the naked eye. Based on quantum chemistry calculations, the fluorescence quenching of Dpyt after the addition of HSO3- is caused by the photoinduced electron transfer (PET) process of the adduct Dpyt-HSO3-. The fluorescence enhancement of Dpyt caused by most organic amines is due to the enhanced intramolecular charge transfer (ICT) process of deprotonated Dpyt. Notably, Dpyt can be applied for detecting HSO3- in actual food samples such as red wine and sugar, as well as for imaging of HSO3- and representative propylamine in living cells. And more importantly, indicator labels constructed by filter paper loaded with Dpyt can visually monitor the freshness of salmon in real-time by daylight and fluorescence dual-mode. The comparison with national standard method of China manifests that indicator labels are a valid tool to assess the freshness of seafood.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 2023 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:438 |
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| Enthalten in: |
Food chemistry - 438(2023) vom: 16. Apr., Seite 137987 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhong, Keli [VerfasserIn] |
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| Links: |
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| Themen: |
Amines |
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| Anmerkungen: |
Date Completed 28.12.2023 Date Revised 28.12.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.foodchem.2023.137987 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM364868430 |
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| 245 | 1 | 2 | |a A colorimetric and NIR fluorescent probe for ultrafast detecting bisulfite and organic amines and its applications in food, imaging, and monitoring fish freshness |
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| 520 | |a Copyright © 2023 Elsevier Ltd. All rights reserved. | ||
| 520 | |a Herein, for the first time, we have successfully constructed a novel near-infrared (NIR) emission fluorescent probe Dpyt for ultrafast detecting (within 5 s) bisulfate and organic amines based on a 1,2-dihydrocyclopenta[b]chromene-barbiturate conjugation system. Upon addition of bisulfate or organic amines, Dpyt displayed a distinct color change from blue to colorless or from purple to blue, respectively, suggesting that the Dpyt can be used to detect two analytes by the naked eye. Based on quantum chemistry calculations, the fluorescence quenching of Dpyt after the addition of HSO3- is caused by the photoinduced electron transfer (PET) process of the adduct Dpyt-HSO3-. The fluorescence enhancement of Dpyt caused by most organic amines is due to the enhanced intramolecular charge transfer (ICT) process of deprotonated Dpyt. Notably, Dpyt can be applied for detecting HSO3- in actual food samples such as red wine and sugar, as well as for imaging of HSO3- and representative propylamine in living cells. And more importantly, indicator labels constructed by filter paper loaded with Dpyt can visually monitor the freshness of salmon in real-time by daylight and fluorescence dual-mode. The comparison with national standard method of China manifests that indicator labels are a valid tool to assess the freshness of seafood | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bisulfate | |
| 650 | 4 | |a Fish freshness | |
| 650 | 4 | |a NIR fluorescent probe | |
| 650 | 4 | |a Organic amines | |
| 650 | 4 | |a Ultrafast | |
| 650 | 7 | |a Fluorescent Dyes |2 NLM | |
| 650 | 7 | |a hydrogen sulfite |2 NLM | |
| 650 | 7 | |a OJ9787WBLU |2 NLM | |
| 650 | 7 | |a Amines |2 NLM | |
| 650 | 7 | |a Sulfites |2 NLM | |
| 700 | 1 | |a Li, Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Xiaoling |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yangyang |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Lijun |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Xiaofei |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xuepeng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jinglin |e verfasserin |4 aut | |
| 700 | 1 | |a Meng, Yuqiong |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Rui |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Shulin |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Jianrong |e verfasserin |4 aut | |
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