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Boron-Doped Diamond Functionalization by an Electrografting/Alkyne-Azide Click Chemistry Sequence
Hasselt University, Belgium .
Hasselt University, Belgium .
Hasselt University, Belgium .
Linköping University, Department of Physics, Chemistry and Biology, Surface Physics and Chemistry. Linköping University, The Institute of Technology.
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2014 (English)In: CHEMELECTROCHEM, ISSN 2196-0216, Vol. 1, no 7, 1145-1154 p.Article in journal (Refereed) Published
Abstract [en]

A straightforward protocol for the covalent functionalization of boron-doped diamond electrodes with either ferrocene or single-stranded deoxyribonucleic acid (DNA) is reported. The functionalization method is based on a combination of diazonium salt electrografting and click chemistry. An azide-terminated organic layer is first electrografted onto the diamond surface by electrochemical reduction of 4-azidophenyldiazonium chloride. The azidophenyl-modified surface then reacts rapidly and efficiently with molecules bearing a terminal alkyne moiety by means of Cu-1-catalyzed alkyne-azide cycloaddition. Covalent attachment of ferrocene moieties was analyzed by X-ray photoelectron spectroscopy and cyclic voltammetry, whereas impedance spectroscopy was applied for the characterization of the immobilized DNA.

Place, publisher, year, edition, pages
Wiley , 2014. Vol. 1, no 7, 1145-1154 p.
Keyword [en]
azides; boron-doped diamond; click chemistry; diazonium electrografting; DNA
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-110491DOI: 10.1002/celc.201402068ISI: 000340523000007OAI: oai:DiVA.org:liu-110491DiVA: diva2:746876
Note

Funding Agencies|Hasselt University; Research Foundation Flanders (FWO) [G.0555.10N, G.0829.09N]; EU [256617]

Available from: 2014-09-15 Created: 2014-09-12 Last updated: 2014-09-15

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Liu, XianjieFahlman, Mats

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CiteExportLink to record
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  • apa
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