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Characterisation of a synthesised fluorescent ligand (4-acridinol-1-sulphonic acid) using nuclear magnetic resonance spectroscopy

Bos, Richard, Barnett, Neil, Dyson, Gail and Russell, Richard 2002, Characterisation of a synthesised fluorescent ligand (4-acridinol-1-sulphonic acid) using nuclear magnetic resonance spectroscopy, Analytica chimica acta, vol. 454, no. 1, pp. 147-155.

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Title Characterisation of a synthesised fluorescent ligand (4-acridinol-1-sulphonic acid) using nuclear magnetic resonance spectroscopy
Author(s) Bos, Richard
Barnett, Neil
Dyson, Gail
Russell, Richard
Journal name Analytica chimica acta
Volume number 454
Issue number 1
Start page 147
End page 155
Publisher Elsevier Science BV
Place of publication New York, N.Y.
Publication date 2002-03-04
ISSN 0003-2670
1873-4324
0924-2031
Keyword(s) nuclear magnetic resonance spectroscopy
acridinol
fluorescence
metal chelates
Summary The synthesis and complete characterisation of the fluorescent ligand, 4-acridinol-1-sulphonic acid (the acridine analogue of 8-quinolinol-5-sulfonic acid) is described. Using a judicious array of nuclear magnetic resonance spectroscopy experiments, the structural elucidation and full assignment of all proton and carbon chemical shifts were afforded. The 4-acridinol-1-sulphonic acid was found to behave in a similar manner to 8-quinolinol-5-sulphonic acid, forming fluorescent complexes with magnesium(II) and zinc(II). The uncorrected emission maxima for the metal–acridinol complexes were found to be at around 620 nm compared to 505 nm for the respective quinolinol complexes. Unfortunately, preliminary spectrofluorimetric analytical figures of merit revealed that the detection limits of the new acridinol metal complexes were one and a half orders of magnitude poorer than those attained with the corresponding quinolinol ligand. However, in contrast to 8-quinolinol-5-sulphonic acid, the 4-acridinol-1-sulphonic acid ligand showed considerable selectivity for magnesium(II) and zinc(II) over aluminium(III).
Notes Available online 6 December 2001.
Language eng
Field of Research 030199 Analytical Chemistry not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2002, Elsevier Science B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30001739

Document type: Journal Article
Collection: School of Biological and Chemical Sciences
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