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Enantioselective Regulation of a Metal Complex in Reversible Binding to Serum Albumin: Dynamic Helicity Inversion Signalled by Circularly Polarised Luminescence

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Specialty Chemistry
Date 2008 Sep 20
PMID 18802537
Citations 21
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Abstract

The helicity of the (SSS)-Delta enantiomer of a terbium and europium(III) complex is inverted on reversible binding to 'drug site II' of serum albumin, signalled by a switch in its circularly polarised emission; no such behaviour occurs with the (RRR)-Lambda complexes, thereby defining a unique chiroptical probe of albumin binding.

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