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Development of a novel dual-enzyme screen-printed amperometric biosensor for the analysis of esterified fatty acids (2023)
Journal Article
Smart, A., Crew, A., Doran, O., & Hart, J. (2023). Development of a novel dual-enzyme screen-printed amperometric biosensor for the analysis of esterified fatty acids. Journal of Food Composition and Analysis, 122, Article 105488. https://doi.org/10.1016/j.jfca.2023.105488

This paper describes, for the first time, the development of a novel trilinolein biosensor based on the immobilisation of lipase and lipoxygenase (LOX) onto a cobalt phthalocyanine screen-printed carbon electrode (CoPC-SPCE) in conjunction with amper... Read More about Development of a novel dual-enzyme screen-printed amperometric biosensor for the analysis of esterified fatty acids.

Studies towards the development of a novel, screen-printed carbon-based, biosensor for the measurement of polyunsaturated fatty acids (2020)
Journal Article
Smart, A., Hart, J., Crew, A., & Doran, O. (2020). Studies towards the development of a novel, screen-printed carbon-based, biosensor for the measurement of polyunsaturated fatty acids. Applied Sciences, 10(21), 1-13. https://doi.org/10.3390/app10217779

This paper describes the design, development and characterisation of an electrochemical biosensor for the measurement of linoleic and α-linolenic acid, as representative free polyunsaturated fatty acids (PUFAs), that may be implicated in food safety... Read More about Studies towards the development of a novel, screen-printed carbon-based, biosensor for the measurement of polyunsaturated fatty acids.

Novel, rapid, low-cost screen-printed (bio)sensors for the direct analysis of boar taint compounds androstenone and skatole in porcine adipose tissue: Comparison with a high-resolution gas chromatographic method (2019)
Journal Article
Westmacott, K. L., Crew, A. P., Doran, O., & Hart, J. P. (2020). Novel, rapid, low-cost screen-printed (bio)sensors for the direct analysis of boar taint compounds androstenone and skatole in porcine adipose tissue: Comparison with a high-resolution gas chromatographic method. Biosensors and Bioelectronics, 150, Article 111837. https://doi.org/10.1016/j.bios.2019.111837

© 2019 Elsevier B.V. This is the first report on the fabrication, characterisation and application of an electrochemical (bio)sensor system for the simultaneous measurement of skatole and androstenone. A biosensor for androstenone was fabricated usin... Read More about Novel, rapid, low-cost screen-printed (bio)sensors for the direct analysis of boar taint compounds androstenone and skatole in porcine adipose tissue: Comparison with a high-resolution gas chromatographic method.

An electrocatalytic screen-printed amperometric sensor for the selective measurement of thiamine (Vitamin B1) in food supplements (2019)
Journal Article
Smart, A., Westmacott, K. L., Crew, A., Doran, O., & Hart, J. P. (2019). An electrocatalytic screen-printed amperometric sensor for the selective measurement of thiamine (Vitamin B1) in food supplements. Biosensors, 9(3), Article 98. https://doi.org/10.3390/bios9030098

An electrocatalytic screen-printed sensor has been investigated for the measurement of the biologically important biomolecule vitamin B1 (thiamine) for the first time in food supplements. Under basic conditions, the vitamin was converted to its elect... Read More about An electrocatalytic screen-printed amperometric sensor for the selective measurement of thiamine (Vitamin B1) in food supplements.

A novel electroanalytical approach to the measurement of B vitamins in food supplements based on screen-printed carbon sensors (2017)
Journal Article
Westmacott, K. L., Crew, A. P., Doran, O., & Hart, J. P. (2018). A novel electroanalytical approach to the measurement of B vitamins in food supplements based on screen-printed carbon sensors. Talanta, 181, 13-18. https://doi.org/10.1016/j.talanta.2017.12.074

© 2017 Elsevier B.V. This paper describes the development of a novel electrochemical assay for the measurement of water-soluble vitamins in food and pharmaceutical products. The optimum conditions for the determination of vitamin B1 (thiamine), B2 (r... Read More about A novel electroanalytical approach to the measurement of B vitamins in food supplements based on screen-printed carbon sensors.

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
Crew, A., Honeychurch, K. C., Crew, A. P., Northall, H., Radbourne, S., Davies, O., …Hart, J. P. (2013). The redox behaviour of diazepam (Valium®) using a disposable screen-printed sensor and its determination in drinks using a novel adsorptive stripping voltammetric assay. Talanta, 116, 300-307. https://doi.org/10.1016/j.talanta.2013.05.017

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.

A screen-printed, amperometric biosensor array incorporated into a novel automated system for the simultaneous determination of organophosphate pesticides (2011)
Journal Article
Crew, A. P., Lonsdale, D., Byrd, N., Pittson, R., & Hart, J. P. (2011). A screen-printed, amperometric biosensor array incorporated into a novel automated system for the simultaneous determination of organophosphate pesticides. Biosensors and Bioelectronics, 26(6), 2847-2851. https://doi.org/10.1016/j.bios.2010.11.018

Organophosphate pesticides present serious risks to human and environmental health. A rapid reliable, economical and portable analytical system will be of great benefit in the detection and prevention of contamination. A biosensor array based on six... Read More about A screen-printed, amperometric biosensor array incorporated into a novel automated system for the simultaneous determination of organophosphate pesticides.

Development of an anodic stripping voltammetric assay, using a disposable mercury-free screen-printed carbon electrode, for the determination of zinc in human sweat (2008)
Journal Article
Cowell, D. C., Crew, A. P., & Hart, J. P. (2008). Development of an anodic stripping voltammetric assay, using a disposable mercury-free screen-printed carbon electrode, for the determination of zinc in human sweat. Talanta, 75(5), 1221-1226. https://doi.org/10.1016/j.talanta.2008.01.043

This paper reports on the development of a novel electrochemical assay for Zn2+ in human sweat, which involves the use of disposable screen-printed carbon electrodes (SPCEs). Initially, SPCEs were used in conjunction with cyclic voltammetry to study... Read More about Development of an anodic stripping voltammetric assay, using a disposable mercury-free screen-printed carbon electrode, for the determination of zinc in human sweat.

Development of a novel electrochemical immuno-assay using a screen printed electrode for the determination of secretory immunoglobulin A in human sweat (2007)
Journal Article
Cowell, D. C., Crew, A. P., Alford, C., & Hart, J. P. (2007). Development of a novel electrochemical immuno-assay using a screen printed electrode for the determination of secretory immunoglobulin A in human sweat. Electrochimica Acta, 52(16), 5232-5237. https://doi.org/10.1016/j.electacta.2007.02.035

This paper reports on the steps involved in the development of a novel electrochemical immunoassay for secretory immunoglobulin A (sIgA) determinations in human sweat. This novel immunoassay involves an initial step whereby sweat sIgA is adsorbed ont... Read More about Development of a novel electrochemical immuno-assay using a screen printed electrode for the determination of secretory immunoglobulin A in human sweat.

Nitrogen leaching losses under a less intensive farming and environment (LIFE) integrated system (2003)
Journal Article
Webster, C., Conway, J., Crew, A. P., & Goulding, K. (2003). Nitrogen leaching losses under a less intensive farming and environment (LIFE) integrated system. Soil Use and Management, 19(1), 36-44. https://doi.org/10.1111/j.1475-2743.2003.tb00277.x

Less Intensive Farming and Environment (LIFE) management is a form of integrated farming which aims to meet farming's economic and environmental requirements. We used a farm-scale LIFE demonstration to measure nitrogen (N) leaching losses over a 6 ye... Read More about Nitrogen leaching losses under a less intensive farming and environment (LIFE) integrated system.