Skip to main content

Research Repository

Advanced Search

All Outputs (51)

Novel reductive-reductive mode electrochemical detection of Rohypnol following liquid chromatography and its determination in coffee (2014)
Journal Article

© 2014 Elsevier B.V. Rohypnol (flunitrazepam) has been successfully determined in coffee by high performance liquid chromatography dual electrode detection (LC-DED) in the dual reductive mode. Initial studies were performed to optimise the chromatogr... Read More about Novel reductive-reductive mode electrochemical detection of Rohypnol following liquid chromatography and its determination in coffee.

A rapid, green high performance anion-exchange chromatographic assay for saccharin and its determination in environmental water samples (2014)
Journal Article

A green, rapid and sensitive high performance anion-exchange chromatographic (HPAEC) method for the determination of saccharin in environmental water samples is reported. A linear range of 5 μg/L to 28.2 μg/mL was found with a theoretical limit of de... Read More about A rapid, green high performance anion-exchange chromatographic assay for saccharin and its determination in environmental water samples.

Electrochemical detection of benzodiazepines, following liquid chromatography, for applications in pharmaceutical, biomedical and forensic investigations (2014)
Journal Article

Benzodiazepines are an important class of drugs commonly administered with a potential for abuse and environmental pollution. This review focuses on the liquid chromatographic electrochemical detection of the benzodiazepine class of drugs. These are... Read More about Electrochemical detection of benzodiazepines, following liquid chromatography, for applications in pharmaceutical, biomedical and forensic investigations.

Voltammetric behaviour of hydrogen peroxide at a silver electrode fabricated from a rewritable digital versatile disc (DVD) and its determination in water samples (2013)
Journal Article

In this study we investigated the possibility of applying Ag electrodes manufactured from recordable rewritable digital versatile discs (DVD-RW) for the voltammetric determination of hydrogen peroxide. The calibration plot was linear from 0.087 mM to... Read More about Voltammetric behaviour of hydrogen peroxide at a silver electrode fabricated from a rewritable digital versatile disc (DVD) and its determination in water samples.

Underpotential deposition of lead at silver electrodes manufactured from compact discs and its determination in environmental water samples (2013)
Journal Article

The present paper describes the facile manufacture of silver electrodes from compact discs for the anodic stripping voltammetric determination of lead. The voltammetric behaviour of Pb in 0.1 M HCl was examined by cyclic voltammetry. Using a starting... Read More about Underpotential deposition of lead at silver electrodes manufactured from compact discs and its determination in environmental water samples.

The redox behaviour of diazepam (Valium®) using a disposable screen-printed sensor and its determination in drinks using a novel adsorptive stripping voltammetric assay (2013)
Journal Article

In this study we investigated the possibility of applying disposable electrochemical screen-printed carbon sensors for the rapid identification and quantitative determination of diazepam in beverages. This was achieved utilising a previously unreport... Read More about The redox behaviour of diazepam (Valium®) using a disposable screen-printed sensor and its determination in drinks using a novel adsorptive stripping voltammetric assay.

The chronoamperometric and voltammetric behaviour of glutathione at screen-printed carbon micro-band electrodes modified with cobalt phthalocyanine (2012)
Journal Article

Screen-printed carbon electrodes (SPCEs) incorporating the electrocatalyst cobalt phthalocyanine (CoPC) have been successfully used for the manufacture of microband electrodes for the determination of reduced glutathione (GSH). Initially investigati... Read More about The chronoamperometric and voltammetric behaviour of glutathione at screen-printed carbon micro-band electrodes modified with cobalt phthalocyanine.

Novel electrode reactions of diazepam, flunitrazepam and lorazepam and their exploitation in a new redox mode LC-DED assay for serum (2012)
Journal Article
Honeychurch, K. C., Chong, A. T., Elamin, K., & Hart, J. P. (2012). Novel electrode reactions of diazepam, flunitrazepam and lorazepam and their exploitation in a new redox mode LC-DED assay for serum. Analytical Methods, 4(1), 132-140. https://doi.org/10.1039/c1ay05419h

Previously unreported voltammetric redox behaviour was identified for flunitrazepam, lorazepam and diazepam at a glassy carbon electrode. This was successfully exploited for their determination in serum by high performance liquid chromatography dual... Read More about Novel electrode reactions of diazepam, flunitrazepam and lorazepam and their exploitation in a new redox mode LC-DED assay for serum.

The voltammetric behaviour of lead at a microband screen-printed carbon electrode and its determination in acetate leachates from glazed ceramic plates (2011)
Journal Article
Honeychurch, K. C., Al-Berezanchi, S., & Hart, J. P. (2011). The voltammetric behaviour of lead at a microband screen-printed carbon electrode and its determination in acetate leachates from glazed ceramic plates. Talanta, 84(3), 717-723. https://doi.org/10.1016/j.talanta.2011.01.073

Microband screen-printed carbon electrodes (μBSPCEs) without further modification have been investigated as disposable sensors for the measurement of lead in acetate leachates from ceramic glazed plates. Cyclic voltammetry was employed to elucidate t... Read More about The voltammetric behaviour of lead at a microband screen-printed carbon electrode and its determination in acetate leachates from glazed ceramic plates.

Electrocatalytic behaviour of citric acid at a cobalt phthalocyanine- modified screen-printed carbon electrode and its application in pharmaceutical and food analysis (2010)
Journal Article
Honeychurch, K. C., Gilbert, L., & Hart, J. P. (2010). Electrocatalytic behaviour of citric acid at a cobalt phthalocyanine- modified screen-printed carbon electrode and its application in pharmaceutical and food analysis. Analytical and Bioanalytical Chemistry, 396(8), 3103-3111. https://doi.org/10.1007/s00216-010-3534-x

Cobalt phthalocyanine-modified screen-printed carbon electrodes (CoPC-SPCEs) have been investigated as disposable sensors for the measurement of citric acid. The analyte was found to undergo an electrocatalytic oxidation process involving the Co2+/Co... Read More about Electrocatalytic behaviour of citric acid at a cobalt phthalocyanine- modified screen-printed carbon electrode and its application in pharmaceutical and food analysis.

The electrochemical behavior of nitrazepam at a screen-printed carbon electrode and its determination in beverages by adsorptive stripping voltammetry (2009)
Journal Article
McGuire, N. D., Honeychurch, K. C., & Hart, J. P. (2009). The electrochemical behavior of nitrazepam at a screen-printed carbon electrode and its determination in beverages by adsorptive stripping voltammetry. Electroanalysis, 21(19), 2165-2170. https://doi.org/10.1002/elan.200904667

The cyclic voltammetric behavior of nitrazepam was investigated at screen-printed carbon electrodes over the range1.5 V to {thorn}1.5 V. Two reduction peaks were observable on the negative scan, at 0.7 V, and 1.2 V using pH 6 buffer. On the return sc... Read More about The electrochemical behavior of nitrazepam at a screen-printed carbon electrode and its determination in beverages by adsorptive stripping voltammetry.

Determination of flunitrazepam and nitrazepam in beverage samples by liquid chromatography with dual electrode detection using a carbon fibre veil electrode (2008)
Journal Article
Honeychurch, K. C., & Hart, J. P. (2008). Determination of flunitrazepam and nitrazepam in beverage samples by liquid chromatography with dual electrode detection using a carbon fibre veil electrode. Journal of Solid State Electrochemistry, 12(10), 1317-1324. https://doi.org/10.1007/s10008-008-0536-0

Both nitrazepam and flunitrazepam have been determined by high-performance liquid chromatography dual electrode detection (LC-DED) in the reductive-reductive mode, using a carbon fibre veil electrode (CFVE) in conjugation with a glassy carbon electro... Read More about Determination of flunitrazepam and nitrazepam in beverage samples by liquid chromatography with dual electrode detection using a carbon fibre veil electrode.

Voltammetric behaviour of p-nitrophenol and its trace determination in human urine by liquid chromatography with a dual reductive mode electrochemical detection system (2007)
Journal Article
Honeychurch, K. C., & Hart, J. P. (2007). Voltammetric behaviour of p-nitrophenol and its trace determination in human urine by liquid chromatography with a dual reductive mode electrochemical detection system. Electroanalysis, 19(21), 2176-2184. https://doi.org/10.1002/elan.200703989

The determination of trace p-nitrophenol (PNP) concentrations in human urine has been successfully achieved by high performance liquid chromatography dual electrode detection (LC-DED) in the reduction-reduction mode. Initial cyclic voltammetric studi... Read More about Voltammetric behaviour of p-nitrophenol and its trace determination in human urine by liquid chromatography with a dual reductive mode electrochemical detection system.

Voltammetric behavior of p-nitrophenol and its trace determination in human urine by liquid chromatography with a dual reductive mode electrochemical detection system (2007)
Journal Article
Honeychurch, K. C., & Hart, J. P. (2007). Voltammetric behavior of p-nitrophenol and its trace determination in human urine by liquid chromatography with a dual reductive mode electrochemical detection system. Electroanalysis, 19(21), 2176-2184. https://doi.org/10.1002/elan.200703989

The determination of trace p-nitrophenol (PNP) concentrations in human urine has been successfully achieved by high performance liquid chromatography dual electrode detection (LC-DED) in the reduction-reduction mode. Initial cyclic voltammetric studi... Read More about Voltammetric behavior of p-nitrophenol and its trace determination in human urine by liquid chromatography with a dual reductive mode electrochemical detection system.

Voltammetric behaviour of DNA bases at a screen-printed carbon electrode and its application to a simple and rapid voltammetric method for the determination of oxidative damage in double stranded DNA (2007)
Journal Article
O'Donovan, M. R., Honeychurch, K. C., & Hart, J. P. (2007). Voltammetric behaviour of DNA bases at a screen-printed carbon electrode and its application to a simple and rapid voltammetric method for the determination of oxidative damage in double stranded DNA. Biosensors and Bioelectronics, 22(9-10), 2057-2064. https://doi.org/10.1016/j.bios.2006.09.019

Screen-printed carbon electrodes (SPCEs) have been investigated as possible sensors to identify γ-irradiation induced oxidative damage in double stranded (ds) DNA. Studies were undertaken to explore the possibility of using both cyclic voltammetry an... Read More about Voltammetric behaviour of DNA bases at a screen-printed carbon electrode and its application to a simple and rapid voltammetric method for the determination of oxidative damage in double stranded DNA.

Voltammetric behavior of nitrazepam and its determination in serum using liquid chromatography with redox mode dual-electrode detection (2006)
Journal Article
Honeychurch, K. C., Smith, G. C., & Hart, J. P. (2006). Voltammetric behavior of nitrazepam and its determination in serum using liquid chromatography with redox mode dual-electrode detection. Analytical Chemistry, 78(2), 416-423. https://doi.org/10.1021/ac058035a

A method involving high-performance liquid chromatography with dual-electrode electrochemical detection in the redox mode (LC-DED) has been successfully developed for the determination of the benzodiazepine tranquilizer, nitrazepam, in serum. To eluc... Read More about Voltammetric behavior of nitrazepam and its determination in serum using liquid chromatography with redox mode dual-electrode detection.

Voltammetric determination of urinary 1-hydroxypyrene using molecularly imprinted polymer-modified screen-printed carbon electrodes (2005)
Journal Article
Kirsch, N., Honeychurch, K. C., Hart, J. P., & Whitcombe, M. J. (2005). Voltammetric determination of urinary 1-hydroxypyrene using molecularly imprinted polymer-modified screen-printed carbon electrodes. Electroanalysis, 17(7), 571-578. https://doi.org/10.1002/elan.200403131

A two step non-competitive affinity method for the trace determination of 1-hydroxypyrene (1-OHP) using a disposable molecularly imprinted polymer (MIP) modified screen-printed carbon electrode (MIP-SPCE) has been developed. The MIP was synthesized a... Read More about Voltammetric determination of urinary 1-hydroxypyrene using molecularly imprinted polymer-modified screen-printed carbon electrodes.