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Toxicity of polyelectrolyte-functionalized titania nanoparticles in zebrafish (Danio rerio) embryos (2020)
Journal Article
Arabeyyat, Z. H., Al-Awady, M. J., Greenway, G. M., Paunov, V., & Rotchell, J. M. (2020). Toxicity of polyelectrolyte-functionalized titania nanoparticles in zebrafish (Danio rerio) embryos. SN Applied Sciences, 2(7), https://doi.org/10.1007/s42452-020-3137-x

We investigated the effects of short-term exposure of bare TiO2NPs and polyelectrolyte-coated TiO2NPs in the 5-25 nm size range, at relatively high concentrations (of 500 and 1000 mg/L) under light or dark conditions, in D. rerio embryos. The biologi... Read More about Toxicity of polyelectrolyte-functionalized titania nanoparticles in zebrafish (Danio rerio) embryos.

Electrochemical immunoassay for the detection of stress biomarkers (2020)
Journal Article
Abdulsattar, J. O., Greenway, G. M., & Wadhawan, J. D. (2020). Electrochemical immunoassay for the detection of stress biomarkers. Heliyon, 6(3), https://doi.org/10.1016/j.heliyon.2020.e03558

A rapid electrochemical immunoassay method was developed to detect and measure stress biomarkers (cortisol and cortisone) in two biological samples (Zebrafish whole-body and artificial saliva). This methodology utilizes an immunoassay approach taking... Read More about Electrochemical immunoassay for the detection of stress biomarkers.

A feasibility study of a leaky waveguide aptasensor for thrombin (2019)
Journal Article
Alamrani, N. A., Greenway, G. M., Pamme, N., Goddard, N. J., & Gupta, R. (2019). A feasibility study of a leaky waveguide aptasensor for thrombin. Analyst, 144(20), 6048-6054. https://doi.org/10.1039/c9an01421g

This proof-of-principle study demonstrates the feasibility of a leaky waveguide (LW) aptasensor, where aptamers were immobilised in a mesoporous chitosan waveguiding film for the detection of thrombin. This work has demonstrated that aptamers immobil... Read More about A feasibility study of a leaky waveguide aptasensor for thrombin.

A method for determining average iron content of ferritin by measuring its optical dispersion (2019)
Journal Article
Gupta, R., Alamrani, N. A., Greenway, G. M., Pamme, N., & Goddard, N. J. (2019). A method for determining average iron content of ferritin by measuring its optical dispersion. Analytical chemistry, 91(11), 7366-7372. https://doi.org/10.1021/acs.analchem.9b01231

© 2019 American Chemical Society. We report a method where the refractive index increments of an iron storage protein, ferritin, and apoferritin (ferritin minus iron) were measured over the wavelength range of 450-678 nm to determine the average iron... Read More about A method for determining average iron content of ferritin by measuring its optical dispersion.

Boosting the antimicrobial action of vancomycin formulated in shellac nanoparticles of dual-surface functionality (2019)
Journal Article
Al-Obaidy, S. S., Halbus, A. F., Greenway, G. M., & Paunov, V. N. (2019). Boosting the antimicrobial action of vancomycin formulated in shellac nanoparticles of dual-surface functionality. Journal of Materials Chemistry B, 7(19), 3119-3133. https://doi.org/10.1039/c8tb03102a

We report a strong amplification of the antimicrobial action of vancomycin (VCM) encapsulated in shellac nanoparticles (NPs) with dual surface functionalisation. These shellac nanocarriers for VCM were produced in two steps: (i) a pH drop from aqueou... Read More about Boosting the antimicrobial action of vancomycin formulated in shellac nanoparticles of dual-surface functionality.

Dual-functionalised shellac nanocarriers give a super-boost of the antimicrobial action of berberine (2018)
Journal Article
Al-Obaidy, S. S., Greenway, G. M., & Paunov, V. N. (2019). Dual-functionalised shellac nanocarriers give a super-boost of the antimicrobial action of berberine. Nanoscale advances, 1(2), 858-872. https://doi.org/10.1039/c8na00121a

We have developed highly efficient antimicrobial nanocarriers for berberine (BRB) based on shellac nanoparticles (NPs) which were surface-functionalised with a surface active polymer, Poloxamer 407 (P407), and the cationic surfactant octadecyltrimeth... Read More about Dual-functionalised shellac nanocarriers give a super-boost of the antimicrobial action of berberine.

Imaging immunoassay in negative: Surface-­‐catalysed chemiluminescence for the detection of pregnancy hormones in artificial saliva (2018)
Journal Article
Wright, K. J., Oiaidha, Z. O., Love, D. P., Aljohani, M., Greenway, G. M., & Wadhawan, J. D. (2018). Imaging immunoassay in negative: Surface-­‐catalysed chemiluminescence for the detection of pregnancy hormones in artificial saliva. New journal of chemistry = Nouveau journal de chimie, 42(23), 18641-18648. https://doi.org/10.1039/c8nj02974a

A novel and rapid (45min), quantitative chemiluminescence-based, surface immunoassay is reported for the quantitative detection of progesterone and œstriol in artificial saliva. The detection limits for these pregnancy hormones are 2.3 and 2.5 pg mL-... Read More about Imaging immunoassay in negative: Surface-­‐catalysed chemiluminescence for the detection of pregnancy hormones in artificial saliva.

Imaging immunoassay in negative: surface-catalysed chemiluminescence for the detection of pregnancy hormones in artificial saliva (2018)
Journal Article
Wright, K. J., Oiaidha, Z. O., Love, D. P., Aljohani, M., Greenway, G. M., & Wadhawan, J. D. (2018). Imaging immunoassay in negative: surface-catalysed chemiluminescence for the detection of pregnancy hormones in artificial saliva. New journal of chemistry = Nouveau journal de chimie, 42(23), 18641-18648. https://doi.org/10.1039/c8nj02974a

A novel and rapid (45 min), quantitative chemiluminescence-based, surface immunoassay is reported for the detection of progesterone and œstriol in artificial saliva. The detection limits for these pregnancy hormones are 2.3 and 2.5 pg mL−1, respectiv... Read More about Imaging immunoassay in negative: surface-catalysed chemiluminescence for the detection of pregnancy hormones in artificial saliva.

Amplified antimicrobial action of chlorhexidine encapsulated in PDAC-functionalized acrylate copolymer nanogel carriers (2018)
Journal Article
Al-Awady, M. J., Weldrick, P. J., Hardman, M. J., Greenway, G. M., & Paunov, V. N. (2018). Amplified antimicrobial action of chlorhexidine encapsulated in PDAC-functionalized acrylate copolymer nanogel carriers. Materials Chemistry Frontiers, 2(11), 2032-2044. https://doi.org/10.1039/c8qm00343b

We have developed and tested a novel functionalised nanocarrier for chlorhexidine (CHX) which provides a very strong enhancement of its antimicrobial action. The nanocarrier was based on lightly-cross-linked acrylate copolymer nanogel particles loade... Read More about Amplified antimicrobial action of chlorhexidine encapsulated in PDAC-functionalized acrylate copolymer nanogel carriers.

Characterization of energy-rich hydrochars from microwave-assisted hydrothermal carbonization of coconut shell (2018)
Journal Article
Elaigwu, S. E., & Greenway, G. M. (2019). Characterization of energy-rich hydrochars from microwave-assisted hydrothermal carbonization of coconut shell. Waste and biomass valorization, 10(7), 1979–1987. https://doi.org/10.1007/s12649-018-0209-x

In this study, microwave-assisted hydrothermal carbonization of waste coconut shell (feedstock) is reported. It is a thermo-conversion technique in which the feedstock was transformed into energy-rich carbonaceous material under mild conditions. The... Read More about Characterization of energy-rich hydrochars from microwave-assisted hydrothermal carbonization of coconut shell.

Lipase immobilised on silica monoliths as continuous-flow microreactors for triglyceride transesterification (2017)
Journal Article
Alotaibi, M., Manayil, J. C., Greenway, G. M., Haswell, S. J., Kelly, S. M., Lee, A. F., …Kyriakou, G. (2017). Lipase immobilised on silica monoliths as continuous-flow microreactors for triglyceride transesterification. Reaction Chemistry and Engineering, 3(1), 68-74. https://doi.org/10.1039/c7re00162b

Lipase immobilised on silica monoliths has been prepared and applied as biocatalytic continuous-flow microreactors for the transesterification of tributyrin as a model bio-oil component. Candida antarctica lipase was trapped within the pores of silic... Read More about Lipase immobilised on silica monoliths as continuous-flow microreactors for triglyceride transesterification.

Enhanced antimicrobial effect of berberine in nanogel carriers with cationic surface functionality (2017)
Journal Article
Al-Awady, M. J., Fauchet, A., Greenway, G. M., & Paunov, V. N. (2017). Enhanced antimicrobial effect of berberine in nanogel carriers with cationic surface functionality. Journal of materials chemistry B, Materials for biology and medicine /, 5(38), 7885-7897. https://doi.org/10.1039/c7tb02262j

We report a strong enhancement in the antimicrobial action of berberine encapsulated into polyacrylic acid-based nanogels followed by further surface functionalisation with a cationic polyelectrolyte (PDAC). Due to the highly developed surface area,... Read More about Enhanced antimicrobial effect of berberine in nanogel carriers with cationic surface functionality.

Removal and recovery of vanadium from alkaline steel slag leachates with anion exchange resins (2016)
Journal Article
Gomes, H. I., Jones, A., Rogerson, M., Greenway, G. M., Lisbona, D. F., Burke, I. T., & Mayes, W. M. (2017). Removal and recovery of vanadium from alkaline steel slag leachates with anion exchange resins. Journal of environmental management, 187, 384-392. https://doi.org/10.1016/j.jenvman.2016.10.063

© 2016 The Author(s) Leachable vanadium (V) from steel production residues poses a potential environmental hazard due to its mobility and toxicity under the highly alkaline pH conditions that characterise these leachates. This work aims to test the e... Read More about Removal and recovery of vanadium from alkaline steel slag leachates with anion exchange resins.

Microwave-assisted hydrothermal carbonization of rapeseed husk: A strategy for improving its solid fuel properties (2016)
Journal Article
Elaigwu, S. E., & Greenway, G. M. (2016). Microwave-assisted hydrothermal carbonization of rapeseed husk: A strategy for improving its solid fuel properties. Fuel Processing Technology, 149, 305-312. https://doi.org/10.1016/j.fuproc.2016.04.030

Hydrothermal carbonization of a waste biomass material is a green and promising technique for improving its solid fuel properties, which does not require pretreatment procedure such as drying of the biomass. In this study, hydrothermal carbonization... Read More about Microwave-assisted hydrothermal carbonization of rapeseed husk: A strategy for improving its solid fuel properties.

Microwave-assisted and conventional hydrothermal carbonization of lignocellulosic waste material: comparison of the chemical and structural properties of the hydrochars (2015)
Journal Article
Elaigwu, S. E., & Greenway, G. M. (2016). Microwave-assisted and conventional hydrothermal carbonization of lignocellulosic waste material: comparison of the chemical and structural properties of the hydrochars. Journal of Analytical and Applied Pyrolysis, 118, 1-8. https://doi.org/10.1016/j.jaap.2015.12.013

This study compares the chemical and structural properties of the hydrochars prepared from microwave-assisted and conventional hydrothermal carbonizations of Prosopis africana shell, a waste plant material. The preparation involved heating the raw ma... Read More about Microwave-assisted and conventional hydrothermal carbonization of lignocellulosic waste material: comparison of the chemical and structural properties of the hydrochars.

Nanotoxicity of polyelectrolyte-functionalized titania nanoparticles towards microalgae and yeast: Role of the particle concentration, size and surface charge (2015)
Journal Article
Al-Awady, M. J., Greenway, G. M., & Paunov, V. N. (2015). Nanotoxicity of polyelectrolyte-functionalized titania nanoparticles towards microalgae and yeast: Role of the particle concentration, size and surface charge. RSC advances, 5(46), 37044-37059. https://doi.org/10.1039/c5ra05577f

We studied the nanotoxicity of titania nanoparticles (TiO₂NPs) of various hydrodynamic diameters and crystallite sizes towards C. reinhardtii microalgae and S. cerevisiae (yeast) upon illumination with UV and visible light. The cell viability was ass... Read More about Nanotoxicity of polyelectrolyte-functionalized titania nanoparticles towards microalgae and yeast: Role of the particle concentration, size and surface charge.

Zinc Uptake from Circumneutral Mine Drainage in Freshwater Biofilms: New Insights from In Vitro Experiments (2015)
Journal Article
Jones, A., Rogerson, M., Greenway, G., & Mayes, W. M. (2015). Zinc Uptake from Circumneutral Mine Drainage in Freshwater Biofilms: New Insights from In Vitro Experiments. Mine Water and the Environment, 34(3), 295-307. https://doi.org/10.1007/s10230-015-0325-9

© 2015, Springer-Verlag Berlin Heidelberg. We present results from in vitro flask and flume experiments using freshwater biofilms sourced and cultivated from a mine-impacted stream in North Yorkshire, UK. Flask experiments showed rapid uptake of Zn f... Read More about Zinc Uptake from Circumneutral Mine Drainage in Freshwater Biofilms: New Insights from In Vitro Experiments.

Mg/Ca ratios in freshwater microbial carbonates: Thermodynamic, kinetic and vital effects (2014)
Journal Article
Saunders, P., Rogerson, M., Wadhawan, J., Greenway, G., & Pedley, H. (2014). Mg/Ca ratios in freshwater microbial carbonates: Thermodynamic, kinetic and vital effects. Geochimica et cosmochimica acta, 147, 107-118. https://doi.org/10.1016/j.gca.2014.10.014

The ratio of magnesium to calcium (Mg/Ca) in carbonate minerals in an abiotic setting is conventionally assumed to be predominantly controlled by (Mg/Ca)solution and a temperature dependant partition coefficient. This temperature dependence suggests... Read More about Mg/Ca ratios in freshwater microbial carbonates: Thermodynamic, kinetic and vital effects.

Microwave-assisted hydrothermal synthesis of carbon monolith via a soft-template method using resorcinol and formaldehyde as carbon precursor and pluronic F127 as template (2014)
Journal Article
Elaigwu, S. E., Kyriakou, G., Prior, T. J., & Greenway, G. M. (2014). Microwave-assisted hydrothermal synthesis of carbon monolith via a soft-template method using resorcinol and formaldehyde as carbon precursor and pluronic F127 as template. Materials letters, 123, 198-201 . https://doi.org/10.1016/j.matlet.2014.03.003

A new microwave-assisted hydrothermal synthesis of carbon monolith is reported in this work. The process uses microwave heating at 100 °C under acidic condition by employing a triblock copolymer F127 as the template, and resorcinol–formaldehyde as th... Read More about Microwave-assisted hydrothermal synthesis of carbon monolith via a soft-template method using resorcinol and formaldehyde as carbon precursor and pluronic F127 as template.

Biomass derived mesoporous carbon monoliths via an evaporation-induced self-assembly (2013)
Journal Article
Elaigwu, S. E., & Greenway, G. M. (2014). Biomass derived mesoporous carbon monoliths via an evaporation-induced self-assembly. Materials letters, 115, 117-120. https://doi.org/10.1016/j.matlet.2013.10.019

Evaporation-induced self-assembly has been applied in the synthesis of crack-free mesoporous carbon monolith with good mechanical stability using a waste plant material as carbon precursor and triblock copolymer F127 as template. The carbon monolith... Read More about Biomass derived mesoporous carbon monoliths via an evaporation-induced self-assembly.


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