Issue 20, 2014
From the journal:

RSC Advances

Catechols as ligands for CdSe–ZnS quantum dots†

Maarten Bloemen,*a   David Debruyne,b   Pieter-Jan Demeyer,a   Koen Clays,a   Ann Gils,c   Nick Geukens,d   Carmen Barticb  and  Thierry Verbiesta  

* Corresponding authors

a KU Leuven, Department of Chemistry, Celestijnenlaan 200D, Box 2425, 3001 Heverlee, Belgium
E-mail: maarten.bloemen@fys.kuleuven.be
Tel: +32 16 327154

b KU Leuven, Department of Physics, Celestijnenlaan 200D, Box 2414, 3001 Heverlee, Belgium

c KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, O&N II, Herestraat 49, Box 824, 3000 Leuven, Belgium

d PharmAbs, The KU Leuven Antibody Center, KU Leuven, O&N II, Herestraat 49, Box 824, 3000 Leuven, Belgium

Abstract

We introduce catechol-containing molecules as potential ligands for quantum dots (QD), via a ligand exchange method. Hydrophilic ligands were attached to their surface, which resulted in a successful transfer to the aqueous phase. A significant quenching effect on the luminescent properties was observed. The interaction between the QD and the catechols made it possible to sense dopamine in the nanomolar range.

Graphical abstract: Catechols as ligands for CdSe–ZnS quantum dots

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Article information

DOI
https://doi.org/10.1039/C3RA47844K
Article type
Communication
Submitted
20 Dec 2013
Accepted
31 Jan 2014
First published
03 Feb 2014

RSC Adv., 2014,4, 10208-10211

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Catechols as ligands for CdSe–ZnS quantum dots

M. Bloemen, D. Debruyne, P. Demeyer, K. Clays, A. Gils, N. Geukens, C. Bartic and T. Verbiest, RSC Adv., 2014, 4, 10208 DOI: 10.1039/C3RA47844K

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