Activating the room-temperature phosphorescence of carbon dots for the dual-signal detection of tetracycline and information encryption
Copyright © 2023 Elsevier B.V. All rights reserved..
Carbon dots (CDs) with room-temperature phosphorescence (RTP) attract the numerous explorations owing to their promising prospects in multiple fields, howbeit, their phosphorescence in aqueous barely lasts for long due to the quenching effects originated from the dissolved oxygen, and thus it is of a great challenge to acquire the water-soluble phosphorescent CDs. We here proposed one kind of solid-state RTP CDs through a microwave strategy using tetraethylenepentamine and phosphoric acid as the precursors. Significantly, we further employed tetraethoxysilane (TEOS) as the matrix, which could encapsulate the previous CDs, thus facilitating the formation of the compact structure and activating their long-lived and high-efficiency phosphorescence in aqueous. On the basis of their fluorescence and phosphorescence, a dual-signal strategy of detecting tetracycline by CDsTEOS was successfully established, and this detection exhibited a fluorescent linear-range of 2 nM to 90 μM as well as a phosphorescent linear-range of 30 nM to 300 μM towards assaying tetracycline, broadening the dual-signal ways of assaying tetracycline. Additionally, the CDs prepared here showed the great potential of serving as the RTP ink for the information encryption.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 2023 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:306 |
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| Enthalten in: |
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy - 306(2023) vom: 05. Feb., Seite 123592 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Jiankang [VerfasserIn] |
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| Links: |
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| Themen: |
059QF0KO0R |
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| Anmerkungen: |
Date Completed 20.11.2023 Date Revised 20.11.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.saa.2023.123592 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM364178035 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 Elsevier B.V. All rights reserved. | ||
| 520 | |a Carbon dots (CDs) with room-temperature phosphorescence (RTP) attract the numerous explorations owing to their promising prospects in multiple fields, howbeit, their phosphorescence in aqueous barely lasts for long due to the quenching effects originated from the dissolved oxygen, and thus it is of a great challenge to acquire the water-soluble phosphorescent CDs. We here proposed one kind of solid-state RTP CDs through a microwave strategy using tetraethylenepentamine and phosphoric acid as the precursors. Significantly, we further employed tetraethoxysilane (TEOS) as the matrix, which could encapsulate the previous CDs, thus facilitating the formation of the compact structure and activating their long-lived and high-efficiency phosphorescence in aqueous. On the basis of their fluorescence and phosphorescence, a dual-signal strategy of detecting tetracycline by CDsTEOS was successfully established, and this detection exhibited a fluorescent linear-range of 2 nM to 90 μM as well as a phosphorescent linear-range of 30 nM to 300 μM towards assaying tetracycline, broadening the dual-signal ways of assaying tetracycline. Additionally, the CDs prepared here showed the great potential of serving as the RTP ink for the information encryption | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Aqueous room-temperature phosphorescence | |
| 650 | 4 | |a Detection mechanism | |
| 650 | 4 | |a Dual-signal detection | |
| 650 | 4 | |a Tetracycline | |
| 650 | 7 | |a Tetracycline |2 NLM | |
| 650 | 7 | |a F8VB5M810T |2 NLM | |
| 650 | 7 | |a Anti-Bacterial Agents |2 NLM | |
| 650 | 7 | |a Carbon |2 NLM | |
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| 700 | 1 | |a Zhou, Sen |e verfasserin |4 aut | |
| 700 | 1 | |a Zeng, Linggao |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Xiaoming |e verfasserin |4 aut | |
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