Self-assembled monolayers of thiol-end-labeled DNA at mercury electrodes

. 2006 Jul 18 ; 22 (15) : 6481-4.

Jazyk angličtina Země Spojené státy americké Médium print

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid16830987

We show for the first time that thiol-end-labeled oligodeoxynucleotides form self-assembled monolayer (SAM) at Hg electrodes. Changes in voltammetric signals due to cytosine and Hg-S bond reduction indicated changes in positioning of the HS-(TTC)(7) molecules at the electrode with increasing HS-(TTC)7 concentration from lying flat with respect to SAMs, forming upright-standing molecules. This SAM behaved as an insulator not allowing electron transfer between [Ru(NH3)6]3+ and the electrode. Different adsorption modes of thiolated and thiol-free DNAs were observed.

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Electrochemistry of nonconjugated proteins and glycoproteins. Toward sensors for biomedicine and glycomics

. 2015 Mar 11 ; 115 (5) : 2045-108. [epub] 20150209

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