Nanoscale research letters, 2020-04, Vol.15 (1), p.1-10, Article 87
2020
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Details
- Autor(en) / Beteiligte
- Titel
- Highly Selective Detection of Metronidazole by Self-Assembly via 0D/2D N–C QDs/g-C3N4 Nanocomposites Through FRET Mechanism
- Ist Teil von
- Nanoscale research letters, 2020-04, Vol.15 (1), p.1-10, Article 87
- Ort / Verlag
- New York: Springer US
- Erscheinungsjahr
- 2020
- Quelle
- Alma/SFX Local Collection
- Beschreibungen/Notizen
- A 0D/2D (0-dimensional/2-dimensional) nanostructure was designed by self-assembly of N–C QDs and carboxylated g-C 3 N 4 nanosheets and used as a fluorescence resonance energy transfer (FRET) fluorescent sensor. The N–C QDs/g-C 3 N 4 nanosheets were synthesized via the amino group on the N–C QD surface and the –COOH of the carboxylated g-C 3 N 4 nanosheets. The mechanism of detection of metronidazole (MNZ) by N–C QDs/g-C 3 N 4 nanocomposites is based on FRET between negatively charged N–QDs and positively charged carboxylated g-C 3 N 4 nanoparticles. N–C QDs/g-C 3 N 4 nanostructures displayed good responses for the detection of MNZ at normal temperature and pressure. The decrease in the fluorescence intensity showed a good linear relationship to MNZ concentration within 0–2.6 × 10 −5 mol/L, and the detection limit was 0.66 μM. The novel FRET sensor will have a great potential in clinical analysis and biological studies. Graphical Abstract
- Sprache
- Englisch
- Identifikatoren
- ISSN: 1556-276X, 1931-7573eISSN: 1556-276XDOI: 10.1186/s11671-020-3294-2Titel-ID: cdi_doaj_primary_oai_doaj_org_article_f3e8bccacbe74243bb44955a9c123488
- Format
- –
- Schlagworte
- Carbon nitride, Chemistry and Materials Science, Energy transfer, Fluorescence, Fluorescence resonance energy transfer, FRET, g-C3N4 nanosheets, Materials Science, Metronidazole, Molecular Medicine, Nano Express, Nanochemistry, Nanocomposites, Nanoparticles, Nanoscale Science and Technology, Nanostructure, Nanotechnology, Nanotechnology and Microengineering, N–C QDs, Self-assembly, Sensor