Ferrocene-substituted calix[4]pyrrole modified carbon paste electrodes for anion detection in water
Ferrocene-substituted calix[4]pyrrole modified carbon paste electrodes for anion detection in water
A neutral redox-active receptor (ferrocene functionalized calix[4]pyrrole) was used as an active component in carbon paste electrodes and ion-selective electrodes ISEs, for the detection of anions in aqueous solution. Measurements with the carbon paste electrodes were conducted using Osteryoung square-wave voltammetry. At the surface of the modified electrode the redox potential of ferrocene-substituted calix[4]pyrrole was found to be at ca. 400 mV. Amongst the anions studied, dihydrogen phosphate and fluoride caused the strongest decrease of peak current (approximately 25%), followed by bromide and chloride. This sensitivity sequence was compared with that obtained with ISEs containing the ferrocene-substituted calix[4]pyrrole. The influence of the interface between host molecule environment and aqueous solution containing target anion on the molecular recognition process and electrochemical signal generation has been investigated.
calix[4]pyrrole, ferrocene, carbon paste electrodes, osteryoung square wave voltammetry, ion-selective electrode, potentiometry
ion-selective electrodes, liquid-membrane electrodes, molecular
recognition, adenine-nucleotides, pair receptor, bulk optodes, sensors, binding, agents, complexation
223-228
Szymanska, Iwona
d3ddcb42-2b7e-495f-8c99-75264b282ef4
Radecka, Hanna
3c2bd9a8-83a6-4f78-8cde-de14e4b401a5
Radecki, Jerzy
8996c0ab-2014-45ae-b828-25c5b2f05b4b
Gale, Philip A.
c840b7e9-6847-4843-91af-fa0f8563d943
Warriner, Colin N.
2cdda67a-3408-4a5e-963c-8b0ee7555980
2006
Szymanska, Iwona
d3ddcb42-2b7e-495f-8c99-75264b282ef4
Radecka, Hanna
3c2bd9a8-83a6-4f78-8cde-de14e4b401a5
Radecki, Jerzy
8996c0ab-2014-45ae-b828-25c5b2f05b4b
Gale, Philip A.
c840b7e9-6847-4843-91af-fa0f8563d943
Warriner, Colin N.
2cdda67a-3408-4a5e-963c-8b0ee7555980
Szymanska, Iwona, Radecka, Hanna, Radecki, Jerzy, Gale, Philip A. and Warriner, Colin N.
(2006)
Ferrocene-substituted calix[4]pyrrole modified carbon paste electrodes for anion detection in water.
Journal of Electroanalytical Chemistry, 591 (2), .
(doi:10.1016/j.jelechem.2006.04.007).
Abstract
A neutral redox-active receptor (ferrocene functionalized calix[4]pyrrole) was used as an active component in carbon paste electrodes and ion-selective electrodes ISEs, for the detection of anions in aqueous solution. Measurements with the carbon paste electrodes were conducted using Osteryoung square-wave voltammetry. At the surface of the modified electrode the redox potential of ferrocene-substituted calix[4]pyrrole was found to be at ca. 400 mV. Amongst the anions studied, dihydrogen phosphate and fluoride caused the strongest decrease of peak current (approximately 25%), followed by bromide and chloride. This sensitivity sequence was compared with that obtained with ISEs containing the ferrocene-substituted calix[4]pyrrole. The influence of the interface between host molecule environment and aqueous solution containing target anion on the molecular recognition process and electrochemical signal generation has been investigated.
This record has no associated files available for download.
More information
Published date: 2006
Keywords:
calix[4]pyrrole, ferrocene, carbon paste electrodes, osteryoung square wave voltammetry, ion-selective electrode, potentiometry
ion-selective electrodes, liquid-membrane electrodes, molecular
recognition, adenine-nucleotides, pair receptor, bulk optodes, sensors, binding, agents, complexation
Identifiers
Local EPrints ID: 44553
URI: http://eprints.soton.ac.uk/id/eprint/44553
ISSN: 1572-6657
PURE UUID: 2b232423-14a1-4f4f-a7c1-ffbe52c73e67
Catalogue record
Date deposited: 07 Mar 2007
Last modified: 16 Mar 2024 03:16
Export record
Altmetrics
Contributors
Author:
Iwona Szymanska
Author:
Hanna Radecka
Author:
Jerzy Radecki
Author:
Philip A. Gale
Author:
Colin N. Warriner
Download statistics
Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.
View more statistics