A new multifunctional phenanthroline-derived probe for colorimetric sensing of Fe2+ and ï¬uorometric sensing of Zn2.
Acta Chim Slov
; 71(2): 295-303, 2024 May 22.
Article
em En
| MEDLINE
| ID: mdl-38919097
ABSTRACT
A new phenanthroline derivative bearing imidazole group, (2-(3,5-di(pyridin-4-yl)phenyl)-1-p-tolyl-1H-imidazo[4,5-f][1,10]phenanthroline) (1), has been devised. 1 can be used as a multifunctional probe exhibiting a highly sensitive colorimetric response to Fe2+ and a selectively ratiometric ï¬uorescent response to Zn2+ in a buffer-ethanol solution. The absorption enhancement accompanied by a visual color change from colorless to red upon addition of Fe2+, makes 1 a suitable naked-eye sensor for Fe2+. Moreover, 1 displayed a Zn2+-induced red-shift of emission (44 nm) showing a color change from blue to light cyan under a 365-nm UV lamp. Its practical imaging applicability for intracellular Zn2+ was confirmed in HeLa cells using a confocal microscope. The improved emission properties and cell imaging capability would provide a new approach for fluorescence sensation for Zn2+.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Acta Chim Slov
Ano de publicação:
2024
Tipo de documento:
Article
País de publicação:
Eslovênia