Outputs (97)

New applications of gas chromatography and gas chromatography-mass spectrometry for novel sample matrices in the forensic sciences: A literature review (2023)
Journal Article

The investigation of novel sample matrices in the forensic sciences offers several possible advantages, such as allowing for results to be obtained in cases where common sample types are absent. This review focuses on the application of gas chromatog... Read More about New applications of gas chromatography and gas chromatography-mass spectrometry for novel sample matrices in the forensic sciences: A literature review.

3D printed carbon electrode for the voltammetric determination of Zinc (2019)
Presentation / Conference Contribution

Anodic stripping voltammetric determination of zinc at a 3-D printed carbon electrode (2019)
Presentation / Conference Contribution

• The possibility of a fully 3-D printing printed carbon nanofiber–graphite–polystyrene electrodes has been shown.
• DPASV of Zn2+ showed stripping peaks, unaffected by other common heavy metals.
• Conditions were optimised of the determination of... Read More about Anodic stripping voltammetric determination of zinc at a 3-D printed 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.

Direct thermal desorption gas chromatographic determination of ethylene glycol in whole blood (2018)
Presentation / Conference Contribution

Outline of talk

Ethylene glycol
Problems of analysis
Our new approach
Optimisation studies
Analytical performance characteristics
Analytical application
Areas of future work
Conclusions
Acknowledgements

Electrochemical (bio) sensors for environmental and food analyses (2018)
Journal Article

© 2018 by the authors. In recent years, great progress has been made in the development of sensors and biosensors to meet the demands of environmental and food analysis. In this Special Issue, the state of art and the future trends in the field of en... Read More about Electrochemical (bio) sensors for environmental and food analyses.

Direct thermal desorption gas chromatographic determination of toxicological relevant concentrations of ethylene glycol in whole blood (2018)
Presentation / Conference Contribution

Ethylene Glycol has been determined directly in whole blood using thermal desorption gas chromatography. Recoveries of between 84.8 % to 107 % were recorded, with corresponding %CV of between 1.7 % and 5.8 %. No extraction or derivatization steps w... Read More about Direct thermal desorption gas chromatographic determination of toxicological relevant concentrations of ethylene glycol in whole blood.

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.

Cheap and disposable gold and silver electrodes: Trends in the application of compact discs and digital versatile discs for electroanalytical chemistry (2017)
Journal Article

© 2017 Increasingly more reports have focused on the use of digital versatile discs (DVDs) and compact discs (CDs) for the fabrication of electrodes. The majority of discs use Al to reflect the laser. However, a notable percentage utilise Au or Ag. T... Read More about Cheap and disposable gold and silver electrodes: Trends in the application of compact discs and digital versatile discs for electroanalytical chemistry.

Voltammetric behaviour of zinc at a 3-D printed carbon nanofiber–graphite–polystyrene electrode and its anodic stripping voltammetric determination in water (2017)
Presentation / Conference Contribution

Previous studies have shown the possibility of 3-D printing carbon electrodes. However, these studies required further fabrication steps. In this present investigation we show for the first time the possibility of utilising fully 3-D printed carbon n... Read More about Voltammetric behaviour of zinc at a 3-D printed carbon nanofiber–graphite–polystyrene electrode and its anodic stripping voltammetric determination in water.

The determination of nicotine in third-hand smoke by liquid chromatography with electrochemical detection and its application for the assessment of contaminated communal areas (2017)
Presentation / Conference Contribution

The term third-hand smoke (THS) can be defined as the contamination of surfaces by tobacco smoke. This can remain for extended periods of time and undergo further chemical reactions to produce further pollutants which can be re-suspended in dust or... Read More about The determination of nicotine in third-hand smoke by liquid chromatography with electrochemical detection and its application for the assessment of contaminated communal areas.

Determination of caffeine and paracetamol in Bristol harbour water by LC/MS/MS (2017)
Presentation / Conference Contribution

Anthropogenic inputs such as caffeine and paracetamol can be used as possible chemical markers of sewage pollution as their presence can be presumed to result from human sewage inputs.
In this present investigation we determined the concentrations... Read More about Determination of caffeine and paracetamol in Bristol harbour water by LC/MS/MS.

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.

Coupled electrochemical mass spectrometry investigations of the oxidation of nicotine and its determination in third-hand smoke by liquid chromatography electrochemical detection (2017)
Presentation / Conference Contribution

The electrochemistry of nicotine
Electrochemical mass spectrometry of nicotine
What is third-hand smoke?
Why is it important environmentally?
Liquid chromatography electrochemical detection of third-hand smoke
Conclusions

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.

Review: The application of liquid chromatography electrochemical detection for the determination of drugs of abuse (2016)
Journal Article

© 2016 by the authors; licensee MDPI, Basel, Switzerland. This review (4 tables, 88 references) describes current developments in the design and application of liquid chromatography electrochemical detection (LC ED) based approaches for the determina... Read More about Review: The application of liquid chromatography electrochemical detection for the determination of drugs of abuse.

Recent advances in the fabrication and application of screen-printed electrochemical (bio)sensors based on carbon materials for biomedical, agri-food and environmental analyses (2016)
Journal Article

This review describes recent advances in the fabrication of electrochemical (bio)sensors based on screen-printing technology involving carbon materials and their application in biomedical, agri-food and environmental analyses. It will focus on the va... Read More about Recent advances in the fabrication and application of screen-printed electrochemical (bio)sensors based on carbon materials for biomedical, agri-food and environmental analyses.

Voltammetric behaviour and determination of clonazepam using a disposable screen-printed sensor and its determination in serum and wine (2016)
Presentation / Conference Contribution

Clonazepam
Screen-printed Carbon Electrodes
Cyclic Voltammetry
Gas chromatography mass spectrometry
Adsorptive Stripping Voltammetry
Sample Preparation and Analysis
Conclusions