Carbon dots for copper detection with down and upconversion fluorescent properties as excitation sources

Alfonso Salinas-Castillo; Maria Ariza-Avidad; Christian Pritz; Maria Camprubí-Robles; Belen Fernández; Maria J. Ruedas-Rama; Alicia Megia-Fernández; Alejandro Lapresta-Fernández; Francisco Santoyo-Gonzalez; Annelies Schrott-Fischer; Luis F. Capitan-Vallvey

doi:10.1039/C2CC36450F

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Chemical Communications

Issue 11, 2013

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Carbon dots for copper detection with down and upconversion fluorescent properties as excitation sources

Alfonso Salinas-Castillo,*^a Maria Ariza-Avidad,^a Christian Pritz,^b Maria Camprubí-Robles,^c Belen Fernández,^d Maria J. Ruedas-Rama,^e Alicia Megia-Fernández,^f Alejandro Lapresta-Fernández,^a Francisco Santoyo-Gonzalez,^f Annelies Schrott-Fischer^b and Luis F. Capitan-Vallvey^a

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ECsens, Department of Analytical Chemistry, Faculty of Sciences, University of Granada, E-18071 Granada, Spain
E-mail: alfonsos@ugr.es ;
Fax: +34 958 243 328 ;
Tel: +34 958 248 436

Department of Otolaryngology, Medical University of Innsbruck, Anichstr. 35, A-6020 Innsbruck, Austria

Institute of Molecular and Cellular Biology, Miguel Hernández University, Elche, Spain

The Institute of Parasitology and Biomedicine “López-Neyra”, Spanish National Research Council, Armilla, Spain

Department of Physical Chemistry, Faculty of Pharmacy, University of Granada, E-18071 Granada, Spain

Department of Organic Chemistry, Faculty of Sciences, University of Granada, E-18071 Granada, Spain

Chem. Commun., 2013,49, 1103-1105

DOI: 10.1039/C2CC36450F
Received 04 Sep 2012, Accepted 14 Dec 2012
First published online 14 Dec 2012

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Carbon dots were synthesized by a simple and green strategy for selective and sensitive Cu²⁺ ion detection using both down and upconversion fluorescence. These fluorescent nanosensors show low cytotoxicity and are applied for intracellular sensing and imaging of Cu²⁺ in biological systems.

Abstract from Analytical Abstracts 2013

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