Browsing by Author "KEELEY, GARETH"
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DMF-exfoliated graphene for electrochemical NADH detection
COLEMAN, JONATHAN; KEELEY, GARETH; O'NEILL, ARLENE; DUESBERG, GEORG (2011)The electrochemical detection of NADH is of considerable interest because it is required as a cofactor in a large number of dehydrogenase-based biosensors. However, the presence of oxygenated functionalities on the electrode ... -
Effect of external magnetic fields on electron transfer and ion pairing dynamics at ferrocenyl alkane thiol SAM/solution interfaces
LYONS, MICHAEL; KEELEY, GARETH (2010)The redox behaviour of ferrocene alkane thiol self assembled monolayer modified electrodes in contact with aqueous perchlorate solutions both in the absence of and in the presence of an external magnetic field is examined ... -
Electrochemical ascorbic acid sensor based on DMF-exfoliated graphene
COLEMAN, JONATHAN; DUESBERG, GEORG; KEELEY, GARETH; O'NEILL, ARLENE; MCEVOY, NIALL; MCEVOY, NIALL (2010)This paper describes the electron transfer properties of graphene nano-sheets (GNSs) immobilised on pyrolysed photoresist film (PPF) electrodes. The former are produced by the dispersion and exfoliation of graphite in ... -
Synthesis and Analysis of Thin Conducting Pyrolytic Carbon Films
DUESBERG, GEORG; KUMAR, SHISHIR; REZVANI, EHSAN; NOLAN, HUGO; KEELEY, GARETH; BLAU, WERNER; MCEVOY, NIALL (2012)We report on an adjustable process for chemical vapour deposition of thin films of pyrolytic carbon on inert substrates using an acetylene feedstock. Through modification of the reaction parameters control over film thickness ...