Browsing Chemistry (Scholarly Publications) by Sponsor "Irish Research Council for Science Engineering and Technology"
Now showing items 1-14 of 14
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Carbon nanotube based modified electrode biosensors. Part 1. Electrochemical studies of the flavin group redox kinetics at SWCNT/glucose oxidase composite modified electrodes.
(Electrochemical Science Group, 2008)The redox behaviour of glucose oxidase adsorbed on glassy carbon electrodes which have been modified with a dispersed mesh of single wall carbon nanotubes is probed both qualitatively and quantitatively using cyclic ... -
The effects of thin layer diffusion at glassy carbon electrodes modified with porous films of single-walled carbon nanotubes
(Electrochemical Science Group, 2009)Due to their small size and remarkable electrical properties, carbon nanotubes have been used to modify electrode surfaces to create sensors for a range of important analytes. In this study, glassy carbon (GC) electrodes ... -
Immobilized enzyme/single-wall carbon nanotube composites for amperometric glucose detection at very low applied potential
(Royal Chemical Society, 2008)The behaviour of support electrodes modified with randomly dispersed single-wall carbon nanotube meshes containing adsorbed glucose oxidase with respect to amperometric glucose detection at a low potential is demonstrated. -
Intermolecular interactions of extended aromatic ligands: the synchrotron molecular structure of [Ru(bpy)2(N-HSB)].2PF6 and [Ru(bpy)2(N-1/2HSB)].2PF6
(Royal Society of Chemistry, 2006)The processes by which molecular systems undergo aggregation have received much attention because they are key to the delivery of pre-determined supramolecular structures at the molecular design stage. The intermolecular ... -
Luminescent sensing and formation of mixed f-d metal ion complexes between a Eu(iii)-cyclen-phen conjugate and Cu(ii), Fe(ii), and Co(ii) in buffered aqueous solution
(Royal Society of Chemistry, 2009)The synthesis and photophysical properties of the Eu(III) complex 1.Eu, based on the use of 1,10-phenanthroline (phen) as a combined sensitizing antenna and a transition metal ion coordinating ligand, is described. The ... -
The oxygen evolution reaction on passive oxide covered transition metal electrodes in alkaline solution. Part 2-Cobalt.
(Electrochemical Science Group, 2008)Details are outlined of an electrochemical investigation of the oxygen evolution reaction (OER) at passive oxide covered polycrystalline Co electrodes in aqueous alkaline solution. Kinetic studies on electrodes subjected ... -
The oxygen evolution reaction on passive oxide covered transition metal electrodes in alkaline solution. Part III - Iron.
(Electrochemical Science Group, 2008)The kinetics of the oxygen evolution reaction (OER) at passive oxide covered polycrystalline Fe electrodes in aqueous alkaline solution were examined using both dc steady state polarisation and ac impedance techniques. ... -
The oxygen evolution reaction on passive oxide covered transition metal electrodes in aqueous alkaline solution. Part 1 - Nickel
(Electrochemical Science Group, 2008)Various aspects of the oxygen evolution reaction (OER) at passive oxide covered polycrystalline Ni electrodes in aqueous alkaline solution were investigated using electrochemical techniques. Steady state polarisation and ... -
Paving the way to the integration of smart nanostructures. Part 1: nanotethering and nanowiring via material nanoengineering and electrochemical identification
(Electrochemical Science Group, 2009)In this review essay some recent approaches to nanotethering and nanowiring of biomolecules such as redox enzymes and nanoparticles to solid surfaces to generate chemically modified electrodes to serve as platforms for ... -
Reaction/diffusion at electrode/solution interfaces: the EC2 reaction
(Electrochemical Science Group, 2009)A closed form analytical expression is derived for the normalized current versus potential response expected for a rotating disc electrode in which an initial fast electron transfer reaction is followed by a homogeneous ... -
The recognition of anions using delayed lanthanide luminescence: the use of Tb(iii) based urea functionalised cyclen complexes
(Royal Society of Chemistry, 2009)A cyclen based lanthanide luminescent sensor, Tb.1, has been developed by taking advantage of a combination of hydrogen bonding and f-metal ion coordination binding sites for anionic species. Analysis of the ground state, ... -
Rhodium and Palladium Complexes of a Pyridyl-centred Polyphenylene.
(2008)2-(2? pyridyl)-3,4,5,6-tetraphenylpyridine 2 (HL), a ligand with both N,N-bidentate and N,N,C-terdentate coordination potential, was prepared in excellent yield by the Diels-Alder [2+4] cycloaddition of 2-cyanopyridine and ... -
Transport and kinetics at carbon nanotube- redox enzyme composite modified electrode biosensors. Part 2. Redox enzyme dispersed in nanotube mesh of finite thickness.
(Electrochemical Science Group, 2009)A mathematical model describing the transport and kinetics of substrate and redox mediator in surface deposited films of finite thickness is described. These bio-catalytically active chemically modified electrodes comprise ... -
Transport and kinetics at carbon nanotube-redox enzyme composite modified electrode biosensors
(Electrochemical Science Group, 2009)A mathematical model describing transport and kinetics of substrate and redox mediator within chemically modified electrodes comprising of redox enzymes immobilized in dispersed carbon nanotube meshes dispersed on support ...