A pyridine modified naphthol hydrazone Schiff base chemosensor for Al3+ via intramolecular charge transfer process.
Spectrochim Acta A Mol Biomol Spectrosc
; 301: 122961, 2023 Nov 15.
Article
in En
| MEDLINE
| ID: mdl-37290147
ABSTRACT
A pyridine modified naphthol hydrazone Schiff base chemosensor, NaPy, was prepared in a two-step process to detect aluminum ion (Al3+) in different samples. The probe shows a turn-off emission response towards Al3+ at a 11 binding stoichiometry via intramolecular charge transfer (ICT) mechanism, as validated by density functional theory (DFT) calculations and a series of spectroscopic measurements. The response time is slightly over one minute with a limit of detection (LOD) value of 0.164 µM, demonstrating the great sensitivity of the probe. It is also found that NaPy exhibits high selectivity towards Al3+ and resists interference from seventeen other cations. Application investigations in paper strips, water samples and HeLa cells suggest that NaPy can be used as an efficient probe for sensing Al3+ in real environmental samples and biosystems.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Aluminum
/
Naphthols
Limits:
Humans
Language:
En
Journal:
Spectrochim Acta A Mol Biomol Spectrosc
Journal subject:
BIOLOGIA MOLECULAR
Year:
2023
Document type:
Article
Affiliation country:
China