A metal-responsive interdigitated bilayer for selective quantification of mercury(II) traces by surface plasmon resonance

Elizaveta Ermakova; Oleg Raitman; Alexander Shokurov; Maria Kalinina; Sofiya Selector; Aslan Tsivadze; Vladimir Arslanov; Michel Meyer; Alla Bessmertnykh-Lemeune; Roger Guilard

doi:10.1039/C5AN02523K

A metal-responsive interdigitated bilayer for selective quantification of mercury(ii) traces by surface plasmon resonance†

Elizaveta Ermakova,

^a Oleg Raitman,^a Alexander Shokurov,^a Maria Kalinina,^a Sofiya Selector,^a Aslan Tsivadze,^a Vladimir Arslanov,*^a Michel Meyer,^b Alla Bessmertnykh-Lemeune*^b and Roger Guilard^b

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* Corresponding authors

^a Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky Pr. 31, Moscow, Russia
E-mail: vladimir.arslanov@gmail.com

^b Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB), UMR 6302, CNRS, Université de Bourgogne – Franche-Comté, 9 avenue A. Savary, 21078 Dijon, Cedex, France
E-mail: Alla.Lemeune@u-bourgogne.fr

Abstract

Reusable surface plasmon resonance chips allowing the quantitative and selective detection of mercury(II) ions in water at the 0.01 nM level are reported. The surface-modified gold sensor consists of a rarefied self-assembled monolayer of octanethiol topped with a Langmuir–Blodgett monolayer of an amphiphilic and highly-specific chelator. The interdigitated architecture confers to the bilayer a high packing density, surface coverage, and binding-group accessibility.

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A metal-responsive interdigitated bilayer for selective quantification of mercury(ii) traces by surface plasmon resonance†

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A metal-responsive interdigitated bilayer for selective quantification of mercury(II) traces by surface plasmon resonance

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