All Outputs (51)

Graphene-based electrodes for monitoring of Estradiol (2023)
Journal Article

This study explores the potential use of graphene-based electrodes in the electrochemical determination of estradiol using amperometric techniques as a simple, enzyme-free approach. Graphene, a carbon-based nanomaterial, has been extensively investig... Read More about Graphene-based electrodes for monitoring of Estradiol.

An electrochemical screen-printed sensor based on gold-nanoparticle-decorated reduced graphene oxide–carbon nanotubes composites for the determination of 17-β estradiol (2023)
Journal Article

In this study, a screen-printed electrode (SPE) modified with gold-nanoparticle-decorated reduced graphene oxide–carbon nanotubes (rGO-AuNPs/CNT/SPE) was used for the determination of estradiol (E2). The AuNPs were produced through an eco-friendly me... Read More about An electrochemical screen-printed sensor based on gold-nanoparticle-decorated reduced graphene oxide–carbon nanotubes composites for the determination of 17-β estradiol.

Voltammetric behaviour of Rhodamine B at a screen-printed Carbon electrode and its trace determination in environmental water samples (2022)
Journal Article

The voltammetric behaviour of Rhodamine B was studied at a screen‐printed carbon electrode (SPCE), by cyclic and differential pulse voltammetry. Cyclic voltammograms exhibited two reduction peaks (designated R1 and R2) generated from the reduction of... Read More about Voltammetric behaviour of Rhodamine B at a screen-printed Carbon electrode and its trace determination in environmental water samples.

Smartphone-based colorimetric determination of gamma-butyrolactone and gamma-hydroxybutyrate in alcoholic beverage samples (2022)
Journal Article

Gamma-hydroxybutyrate (GBH) is a popular recreational drug. Its strong sedative and amnesic effects have led to drug-facilitated sexual assaults, poisonings, overdose, and death. As a result, legislation has restricted its availability leading to GHB... Read More about Smartphone-based colorimetric determination of gamma-butyrolactone and gamma-hydroxybutyrate in alcoholic beverage samples.

Forensic electrochemical presumptive blood test based on the voltammetric behaviour of methylene blue and whole blood (2021)
Journal Article

The ability to identify the presence of blood residues is important in a number of fields, such as in the forensic and archaeological sciences. A number of tests presently exist; however, these suffer drawbacks, such as difficulties with the interpre... Read More about Forensic electrochemical presumptive blood test based on the voltammetric behaviour of methylene blue and whole blood.

Illicit drug contamination of the Bristol Pound local currency (2020)
Journal Article

Reports have shown the prevalence of the contamination of banknotes with a number of different drugs. These studies have focused on investigating drug contamination levels on currency which is either nationally or even international distributed. To p... Read More about Illicit drug contamination of the Bristol Pound local currency.

Extraction-free, direct determination of caffeine in microliter volumes of beverages by thermal desorption-gas chromatography mass spectrometry (2020)
Journal Article

An extraction-free method requiring microliter (μL) volumes has been developed for the determination of caffeine in beverages. Using a pyrolysis-gas chromatography mass spectrometry system, the conditions required for the direct thermal desorption-g... Read More about Extraction-free, direct determination of caffeine in microliter volumes of beverages by thermal desorption-gas chromatography mass spectrometry.

Cyclic voltammetric behaviour of 2,4-dinitrotoluene at a glassy carbon electrode (2020)
Journal Article

This paper describes the development of a simple voltammetric method for the measurement of 2,4-dinitrotoluene (24DNT) at glassy carbon electrode (GCE). Initial investigations were undertaken using cyclic voltammetry to characterise the redox behavio... Read More about Cyclic voltammetric behaviour of 2,4-dinitrotoluene at a glassy carbon electrode.

Trace voltammetric determination of lead at a recycled battery carbon rod electrode (2019)
Journal Article

Carbon rod electrodes (CREs) were obtained from recycled zinc–carbon batteries and were used without further modification for the measurement of trace concentrations of lead (Pb). The electrochemical behavior of Pb at these electrodes in a variety of... Read More about Trace voltammetric determination of lead at a recycled battery carbon rod electrode.

Anodic stripping voltammetric determination of zinc at a 3-D printed carbon nanofiber–graphite–polystyrene electrode using a carbon pseudo-reference electrode (2018)
Journal Article

© 2018 Elsevier B.V. The application of a novel fully 3-D printed carbon nanofiber–graphite–polystyrene electrode has been investigated for the trace determination of Zn2+ by differential pulse anodic stripping voltammetry. The possibility of utilisi... Read More about Anodic stripping voltammetric determination of zinc at a 3-D printed carbon nanofiber–graphite–polystyrene electrode using a carbon pseudo-reference electrode.

Direct thermal desorption gas chromatographic determination of toxicologically relevant concentrations of ethylene glycol in whole blood (2018)
Journal Article

© 2018 The Royal Society of Chemistry. A simple and rapid method involving thermal desorption gas chromatography (TD-GC) with flame ionisation detection has been successfully developed for the determination of ethylene glycol in whole blood. No sampl... Read More about Direct thermal desorption gas chromatographic determination of toxicologically relevant concentrations of ethylene glycol in whole blood.

Alpha-synuclein ferrireductase activity is detectible in vivo, is altered in Parkinson's disease and increases the neurotoxicity of DOPAL (2017)
Journal Article

© 2017 Elsevier Inc. The normal cellular role of α-synuclein is of potential importance in understanding diseases in which an aggregated form of the protein has been implicated. A potential loss or change in the normal function of α-synuclein could p... Read More about Alpha-synuclein ferrireductase activity is detectible in vivo, is altered in Parkinson's disease and increases the neurotoxicity of DOPAL.

The determination of uric acid in human saliva by liquid chromatography with electrochemical detection (2017)
Journal Article

A method employing high-performance liquid chromatography with electrochemical detection (LC-ED) has been successfully developed for the determination of uric acid in human salvia. The optimal chromatographic conditions were found to comprise a mobil... Read More about The determination of uric acid in human saliva by liquid chromatography with electrochemical detection.

Development of an electrochemical assay for the illegal “fat burner” 2,4-dinitrophenol and its potential application in forensic and biomedical analysis (2016)
Journal Article

The illegal use of 2,4-dinitrophenol (24DNP) as a diet aid has increased markedly resulting in a number of deaths. This paper describes the development of a simple voltammetric method for the measurement of 24DNP in serum at glassy carbon electrode... Read More about Development of an electrochemical assay for the illegal “fat burner” 2,4-dinitrophenol and its potential application in forensic and biomedical analysis.

Liquid Chromatography Electrochemical Determination of Nicotine in Third-Hand Smoke (2016)
Journal Article

© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Third-hand smoke (THS) can be defined as the contamination of surfaces by second-hand smoke. This residue can form further pollutants which can be re-suspended in dust or be re-emitted into the gas... Read More about Liquid Chromatography Electrochemical Determination of Nicotine in Third-Hand Smoke.

A simple and rapid method for the determination of nicotine in third-hand smoke by liquid chromatography and its application for the assessment of contaminated outdoor communal areas (2016)
Journal Article

Copyright © 2015 John Wiley & Sons, Ltd. This is the first report on the determination of nicotine in third-hand smoke (THS) in outdoor communal areas. The term THS can be defined as the contamination of surfaces by second-hand smoke. This can rema... Read More about A simple and rapid method for the determination of nicotine in third-hand smoke by liquid chromatography and its application for the assessment of contaminated outdoor communal areas.

Determination of Malachite Green in Aquaculture Water by Adsorptive Stripping Voltammetry (2016)
Journal Article

© 2016, Copyright © Taylor & Francis Group, LLC. An adsorptive stripping voltammetric method for the determination of malachite green in aquaculture water has been developed. Initial studies were made using the cyclic voltammetry of malachite green... Read More about Determination of Malachite Green in Aquaculture Water by Adsorptive Stripping Voltammetry.

Development of a voltammetric assay, using screen-printed electrodes, for clonazepam and its application to beverage and serum samples (2015)
Journal Article

© 2015 Elsevier B.V. All rights reserved. This paper describes the development of an electrochemical assay based on screen-printed carbon sensors for the determination of clonazepam in serum and in wine. The cyclic voltammetric behaviour of the drug... Read More about Development of a voltammetric assay, using screen-printed electrodes, for clonazepam and its application to beverage and serum samples.

Amperometric determination of hydrogen peroxide at a silver electrode fabricated from a recycled compact disc (2015)
Journal Article

This present study investigates the utilisation of Ag electrodes fabricated from recycled recordable compact discs (CD-R) for the amperometric determination of hydrogen peroxide. The analytical curve was linear up to at least 30 mM hydrogen peroxide... Read More about Amperometric determination of hydrogen peroxide at a silver electrode fabricated from a recycled compact disc.

The voltammetric behaviour of lead at a hand drawn pencil electrode and its trace determination in water by stripping voltammetry (2015)
Journal Article

© The Royal Society of Chemistry 2015. This is the first reported proof of concept application of pencil drawn electrodes (PDEs) for anodic stripping voltammetric determination of Pb2+ or any metal ion. PDEs offer advantages of economics, simplicity... Read More about The voltammetric behaviour of lead at a hand drawn pencil electrode and its trace determination in water by stripping voltammetry.