Robert D. Crapnell
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View article: Edible oils as bio-plasticisers for sustainable additive manufacturing: comparative electrochemical performance and sensing of ascorbic acid in juices
Edible oils as bio-plasticisers for sustainable additive manufacturing: comparative electrochemical performance and sensing of ascorbic acid in juices Open
We report the production of five separate high-performance conductive filament, using different edible oils (coconut oil, olive oil, a vegetable oil blend, sunflower oil, and rapeseed oil) as bio-plasticising compounds alongside recycled P…
View article: Palladium nanoparticle-modified filament for the detection of nitrite in foodstuff using additive manufactured electrodes
Palladium nanoparticle-modified filament for the detection of nitrite in foodstuff using additive manufactured electrodes Open
To create high-performance additive manufactured electrodes that can form the basis of electroanalytical platforms for real-world applications, the development of unique bespoke filament is required. To this end, this study presents the fi…
View article: Electroanalytical Overview: the Measurement of Diuron
Electroanalytical Overview: the Measurement of Diuron Open
Diuron, a widely used herbicide, has been banned or heavily restricted in several countries due to its environmental persistence and toxicity to aquatic ecosystems. Its chemical stability allows it to remain in soil and water for extended …
View article: Laser‐Engraved Print Beds for Creating Bespoke Surface Architectures on Additive Manufactured Electrodes
Laser‐Engraved Print Beds for Creating Bespoke Surface Architectures on Additive Manufactured Electrodes Open
Moving from planar electrodes to unique surface architectures can produce significant improvements in electrochemical performance. Herein, we report the inclusions of unique microstructures fabricated onto the electrode surface through pri…
View article: Electro‐Thermally Controlled Active Mechanical Metamaterials with Programmable Stiffness and Nonreciprocity
Electro‐Thermally Controlled Active Mechanical Metamaterials with Programmable Stiffness and Nonreciprocity Open
Active mechanical metamaterials have the potential to revolutionize material capabilities, by switching between different properties. The active mechanical metamaterial presented here can be remotely programmed to switch between compressiv…
View article: Electrochemically Activated Screen-Printed Graphene Electrochemical Sensor for Daidzein Determination in Edible Peanut Oils
Electrochemically Activated Screen-Printed Graphene Electrochemical Sensor for Daidzein Determination in Edible Peanut Oils Open
In this work, we designed a novel and simple electrochemical approach for the determination of daidzein antioxidant (Dz) in peanut oil samples. The Dz determination was based on anodic stripping linear voltammetry using screen-printed grap…
View article: Exploring the Use of Different Carbon Materials Within Additive Manufactured Electrodes: The Sensing of Carbendazim
Exploring the Use of Different Carbon Materials Within Additive Manufactured Electrodes: The Sensing of Carbendazim Open
Additive manufacturing is emerging as a technology utilised within the field of electrochemistry, where researchers need to understand the electrochemical capabilities of the electrodes produced. One aspect yet to be fully explored is the …
View article: Surface Energy and Morphology of Blend Films of Polystyrene and Polybutadiene
Surface Energy and Morphology of Blend Films of Polystyrene and Polybutadiene Open
Ion beam and surface analysis complemented with optical and electron microscopy are used to analyze the structure of spin‐coated films of blends of polystyrene and polybutadiene. Both polystyrene and polybutadiene preferentially segregate …
View article: Dual-strain detection of norovirus GI.1 and GII.4 in food samples using epitope-imprinted polymers
Dual-strain detection of norovirus GI.1 and GII.4 in food samples using epitope-imprinted polymers Open
The combination of rapid detection time, dual strain recognition, and simple sample preparation makes this thermal sensor a promising tool for on-site testing in food safety and public health settings. Furthermore, the ability to detect mu…
View article: Highly Durable Additively Manufactured Membrane-Free Electrolyzer
Highly Durable Additively Manufactured Membrane-Free Electrolyzer Open
We present a membrane-free water electrolyzer device that is wholly composed of additively manufactured components. Importantly, the anode and cathode are additively manufactured using filaments of Inconel-625 (I-AME) via fused filament fa…
View article: Chemically Deposited Boron‐Doped Diamond Screen‐Printed Electrodes for the Detection of Manganese
Chemically Deposited Boron‐Doped Diamond Screen‐Printed Electrodes for the Detection of Manganese Open
Manganese (Mn 2+ ) is widely used in industrial applications, including steel production, battery manufacturing, and fertilizers. These activities, along with natural processes, contribute to its presence in environmental water. This study…
View article: Tracking Perfluorooctanoic Acid in Tap and River Water Employing Screen-Printed Electrodes Modified with Molecularly Imprinted Polymers
Tracking Perfluorooctanoic Acid in Tap and River Water Employing Screen-Printed Electrodes Modified with Molecularly Imprinted Polymers Open
While existing polyfluoroalkyl substances (PFAS) detection techniques are highly sensitive, their broader implementation is limited by the need for expensive equipment, lengthy analysis times, and specialized personnel. This underscores th…
View article: Troponin I biomarker sensing from clinical patient samples using molecularly imprinted polymer nanoparticles for advancing healthcare approaches in cardiovascular disease
Troponin I biomarker sensing from clinical patient samples using molecularly imprinted polymer nanoparticles for advancing healthcare approaches in cardiovascular disease Open
Cardiac troponin I (cTnI) is a critical protein biomarker for heart attack diagnosis. This study presents a thorough analysis of a novel biosensing device utilizing molecularly imprinted polymer nanoparticles (nanoMIPs) for detecting cTnI …
View article: Additive Manufacturing Electrochemistry: Development of Bismuth Oxide Microparticle Filament for Lead (II) Detection
Additive Manufacturing Electrochemistry: Development of Bismuth Oxide Microparticle Filament for Lead (II) Detection Open
Accurate, rapid, and cost‐effective validation of water quality is essential to ensure that the World Health Organization's (WHO) standards are met and that the United Nations Sustainable Development Goal 6—Clean Water and Sanitation is ac…
View article: The effects of different plasticisers on the electrochemical performance of bespoke conductive additive manufacturing filaments using recycled PLA
The effects of different plasticisers on the electrochemical performance of bespoke conductive additive manufacturing filaments using recycled PLA Open
In this work, we report the production and physicochemical, electrochemical, and electroanalytical characterisation of 10 different bespoke additive manufacturing filaments that utilise different chemicals as plasticisers.
View article: Utilising highly conductive TPU “sticks” for facile and low-cost electroanalysis
Utilising highly conductive TPU “sticks” for facile and low-cost electroanalysis Open
Rapid, on-site analysis of environmental contaminants necessitates the use of cost-effective and straightforward apparatus to encourage widespread adoption and align with the United Nations Sustainable Development Goal 6: Clean Water and S…
View article: Platinum nanoparticle-doped recycled PLA filament for sustainable additive manufactured electrocatalytic architectures
Platinum nanoparticle-doped recycled PLA filament for sustainable additive manufactured electrocatalytic architectures Open
Pt nps were produced on graphite flakes using an eco-friendly aqueous synthesis and no additional reagents/solvents. This was used to make a bespoke filament from recycled PLA and bio-based castor oil, using only 5 minutes of thermal mixin…