Browsing Chemistry by Sponsor "Higher Education Authority"
Now showing items 1-13 of 13
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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. -
Modelling the interaction of catecholamines with the alpha1A Adrenoceptor- towards a ligand-induced receptor structure
(2005)Adrenoceptors are members of the important G protein coupled receptor family for which the detailed mechanism of activation remains unclear. In this study, we have combined docking and molecular dynamics simulations to ... -
Nature of electronic states at the Fermi level of metallic beta-PbO2 revealed by hard x-ray photoemission spectroscopy
(APS, 2007)The nature of electronic states at the Fermi energy in metallic beta-PbO2 has been identified by hard x-ray photoemission spectroscopy (HXPS) combined with x-ray emission spectroscopy and density-functional theory calculations. ... -
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 ... -
Theoretical proton affinities of alpha1 adrenoceptor ligands
(2006)A systematic study has been performed of the proton affinity of a large family of agonists and antagonists of the ?1-adrenoceptor at the B3LYP/6-31G* level of theory. After a conformational search, all the N atoms were ... -
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 ...