[article]
| Titre : |
Synthesis and studies of two proton-receptor fluorescent probes based on 1,8-naphthalimide |
| Type de document : |
texte imprimé |
| Auteurs : |
Stephen Opeyemi Aderinto, Auteur ; Han Zhang, Auteur ; Huilu Wu, Auteur ; Chengyong Chen, Auteur ; Jiawen Zhang, Auteur ; Hongping Peng, Auteur ; Zaihui Yang, Auteur ; Fei Wang, Auteur |
| Année de publication : |
2017 |
| Article en page(s) : |
p. 40–49 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
pH -- Mesure
Sondes fluorescentes
|
| Index. décimale : |
535.6 Couleur |
| Résumé : |
Two isomeric proton–receptor fluorescent probes 1 and 2 were designed and synthesised by employing the photoinduced electron transfer (PET) principle of a ‘fluorophore–spacer–receptor’ module. Their photophysical characteristics were investigated in organic solvents and Britton–Robinson buffer/EtOH (1:1, v/v) solution. Probe 1 was sensitive in the stronger acidic region of 2.21–4.56, while probe 2 displayed a good response towards protons within the pH scope of 4.10–6.09. The specificity of the probes toward protons in commonly used buffer solutions and in the presence of metal cations, Na(i), K(i), Ca(ii), Mg(ii), Al(iii), Pb(ii), Fe(iii), Ni(ii), Zn(ii), Cu(ii), Hg(ii), Ag(i), Co(ii), Cr(iii), Mn(ii), and Cd(ii) ions, was studied by monitoring the changes in their fluorescence intensity. The tested metal ions exerted no noticeable influence. The results obtained show that the synthesised proton–receptor fluorescent probes have the capability to act as pH-sensitive probes for monitoring pH variations in the range 2.21–6.09. |
| Note de contenu : |
- EXPERIMENTAL : Optical absorption spectroscopy - Fluorescence spectroscopy - Tolerance of probes to H+ over other metal ions
- RESULTS AND DISCUSSION : Design and synthesis of probes based on the PET process - Photophysical characteristics of probes - pH effect on the absortion and fluorescence properties of the probes |
| DOI : |
10.1111/cote.12250 |
| En ligne : |
https://drive.google.com/file/d/1tPbwfGZ7Mglq5DMD772MAMJfjyjtfsN-/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27879 |
in COLORATION TECHNOLOGY > Vol. 133, N° 1 (02/2017) . - p. 40–49
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