Issue 7, 2011
From the journal:

Analyst

A novel surface plasmon resonance enhanced total internal reflection ellipsometric application: electrochemically grafted isophthalic acid nanofilm on gold surface

Zafer Üstündağ,a   Mustafa Oğuzhan Çağlayan,b   Remziye Güzel,c   Erhan Pişkind  and  Ali Osman Solak*ef  

* Corresponding authors

a Dumlupınar University, Faculty of Art and Science, Dept. of Chemistry, Kütahya, Turkey

b Cumhuriyet University, Faculty of Eng, Dept. of Chemical Eng., Sivas, Turkey

c Dicle University, Faculty of Art and Science, Dept. of Chemistry, Diyarbakır, Turkey

d Hacettepe University, Faculty of Eng, Dept. of Chemical Eng., Beytepe, Ankara, Turkey

e Kyrgyz-Turk Manas University, Faculty of Eng., Dept. of Chem. Eng., Bishkek, Kyrgyzstan

f Ankara University, Faculty of Science, Dept. of Chemistry, Tandogan, Ankara, Turkey
E-mail: aliosman.solak@gmail.com

Abstract

The scope of this study is to modify a Surface Plasmon Resonance (SPR) sensor slide with isophthalic acid to evaluate the possible application on the detection of copper(II) ions in aqueous media by total internal reflection ellipsometry. A gold sensor surface was modified by an electrochemical diazonium reduction modification method. The modified surfaces are characterized with cyclic voltammetry (CV) and ellipsometry. Isophthalic acid monolayer modified gold slides were used for in situdetection of aqueous Cu2+ solution with the SPR enhanced total internal reflection ellipsometry (SPRe-TIRE) technique. Layer formation, pH dependency of adsorption, sensor response of the SPRe-TIRE and isothermal kinetic parameters were examined. A high dependency on the number of CV cycles in the monolayer–multiple layer transition was observed. The suggested sensor gave a linear response over a wide range of Cu2+ concentrations. It was also reported that adsorption on the SPRe-TIRE sensor gave Langmuir adsorption model behavior.

Graphical abstract: A novel surface plasmon resonance enhanced total internal reflection ellipsometric application: electrochemically grafted isophthalic acid nanofilm on gold surface

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Article information

DOI
https://doi.org/10.1039/C0AN00410C
Article type
Paper
Submitted
16 Jun 2010
Accepted
01 Feb 2011
First published
14 Feb 2011

Analyst, 2011,136, 1464-1471

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A novel surface plasmon resonance enhanced total internal reflection ellipsometric application: electrochemically grafted isophthalic acid nanofilm on gold surface

Z. Üstündağ, M. O. Çağlayan, R. Güzel, E. Pişkin and A. O. Solak, Analyst, 2011, 136, 1464 DOI: 10.1039/C0AN00410C

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