| Titre : |
A selective sulphur-containing colorimetric chemosensor for Cu2+ |
| Type de document : |
texte imprimé |
| Auteurs : |
Hangyul Lee, Auteur ; Cheal Kim, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 467-474 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Capteurs chimiques
Colorimétrie
Composés organiques -- Synthèse
Ions cuivre
|
| Index. décimale : |
535.6 Couleur |
| Résumé : |
A highly selective sulphur-containing colorimetric chemosensor APTS ((E)-2-(tert-butyl)-6-(((2-(phenylthio)phenyl)imino)methyl)phenol) was synthesised for detecting Cu2+. APTS showed a clear colour change from colourless to yellow with Cu2+. The detection limit of APTS for Cu2+ was 0.52 µmol/L. APTS could also be used as a test strip for detecting Cu2+. To understand the binding mode of APTS with Cu2+, ultraviolet-visible spectroscopy and electrospray ionisation-mass spectrometry analyses were conducted. The sensing mechanism of sensor APTS towards Cu2+ was proposed to be the combination of intramolecular charge transfer and ligand-;to-metal charge-transfer through theoretical calculations. |
| Note de contenu : |
- EXPERIMENTAL : Materials and equipment - Synthesis of sensor APTS ((E)-2-(tert-butyl)-6(((2-phenylthio)phenyl)inino)methyl)phenol) - UV-vis titrations - Job plot - Competition experiments - 1H NMR titration - Colorimetric strips - Theoretical calculation of APTS and the APTS-Cu2+ complex
- RESULTS AND DISCUSSION : Colorimetric studies of APTS towards Cu2+ - Theoretical calculation of APTS and the APTS-Cu2+ complex |
| DOI : |
10.1111/cote.12431 |
| En ligne : |
https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12431 |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33378 |
in COLORATION TECHNOLOGY > Vol. 135, N° 6 (12/2019) . - p. 467-474
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