A chiral probe for the acute phase proteins alpha-1-acid glycoprotein and alpha-1-antitrypsin based on europium luminescence

Carr, R., Di Bari, L., Lo Piano, S., Parker, D., Peacock, R. D. and Sanderson, J. M. (2012) A chiral probe for the acute phase proteins alpha-1-acid glycoprotein and alpha-1-antitrypsin based on europium luminescence. Dalton Transactions, 41(42), pp. 13154-13158. (doi: 10.1039/c2dt30143a) (PMID:23023320)

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Abstract

Reversible and selective binding of a dynamically racemic europium(III) complex to α1-acid glycoprotein and α1-antitrypsin is characterised by a significant change in the europium total emission spectral fingerprint and the switching on of a large circularly polarised luminescence (CPL) signal from the metal centre. Observation of an induced CD into the ligand chromophore in the presence of α1-AGP allows a structure for the protein-bound complex to be postulated. A direct determination of elevated α1-AGP levels in human serum was achieved by monitoring changes in the intensity ratio of Eu emission bands.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Peacock, Dr Robert
Authors: Carr, R., Di Bari, L., Lo Piano, S., Parker, D., Peacock, R. D., and Sanderson, J. M.
Subjects:Q Science > QD Chemistry
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Dalton Transactions
Publisher:Royal Society of Chemistry
ISSN:1477-9226
ISSN (Online):1477-9234

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