Browsing School of Chemistry by Sponsor "Enterprise Ireland"
Now showing items 1-20 of 22
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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 effect on the lanthanide luminescence of structurally simple Eu(III) cyclen complexes upon deprotonation of metal bound water molecules and amide based pendant arms
(2010)A series of substituted 1,4,7,10-tetraazacylcododecane ligands 1?4, possessing sensitizing nitrobenzene or naphthalene antennae, as one of the amide pendant arms, and their complexes with europium(III) were synthesised. ... -
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 ... -
Fabrication and characterisation of photonic nanowires
(SPIE, 2008)In recent years the application of nano-porous templates, such as anodic alumina and PTFE, in the production of cylindrical nanostructures has been vast. In our work we used porous alumina membranes to produce luminescent ... -
High-yield production of graphene by liquid-phase exfoliation of graphite
(2008)Graphene is at the centre of nanotechnology research. In order to fully exploit its outstanding properties, a mass production method is necessary. Two main routes are possible: large-scale growth or large-scale exfoliation. ... -
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 ... -
Microplastic release from the degradation of polypropylene feeding bottles during infant formula preparation
(2020)Polypropylene-based products are commonly used for food preparation and storage, but their capacity to release microplastics is poorly understood. We investigated the potential exposure of infants to microplastics from ... -
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 ... -
NMR studies into colloidal stability and magnetic order in fatty acid stabilised aqueous magnetic fluids
(2010)We report the physico-chemical characterisation of fatty acid stabilised aqueous magnetic fluids, which are ideal systems for studying the influence of nanoparticle aggregation on the emergent magnetic resonance properties ... -
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, ... -
Selective formation of the rctt chair stereoisomers of octa-O-alkyl resorcin[4]arenes using Br?nsted acid catalysis
(2008)New synthetic conditions are described for the fully selective formation of the rctt chair stereoisomers of octa-O-alkyl resorcin[4]arenes; these offer a clean route into the chair conformer of these interesting receptor ... -
Spectroscopic characterization of chemically modified porous silicon
(SPIE, 2003)The discovery of room temperature photoluminescence in porous silicon has opened up a range of applications for this material in new areas such as optical, photodetector, photovoltaic, micromachine and sensors. For this ... -
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 ...