All Outputs (516)

Critical role of oxygen in silver-catalyzed Glaser-Hay coupling on Ag(100) under vacuum and in solution on Ag particles (2017)
Journal Article
Orozco, N., Kyriakou, G., Beaumont, S. K., Fernandez Sanz, J., Holgado, J. P., Taylor, M. J., Espinós, J. P., Márquez, A. M., Watson, D. J., Gonzalez-Elipe, A. R., & Lambert, R. M. (2017). Critical role of oxygen in silver-catalyzed Glaser-Hay coupling on Ag(100) under vacuum and in solution on Ag particles. ACS Catalysis, 7(5), 3113-3120. https://doi.org/10.1021/acscatal.7b00431

The essential role of oxygen in enabling heterogeneously catalyzed Glaser-Hay coupling of phenylacetylene on Ag(100) was elucidated by STM, laboratory and synchrotron photoemission, and DFT calculations. In the absence of coadsorbed oxygen, phenylace... Read More about Critical role of oxygen in silver-catalyzed Glaser-Hay coupling on Ag(100) under vacuum and in solution on Ag particles.

Catalytic hydrogenation and hydrodeoxygenation of Furfural over Pt(111): A model system for the rational design and operation of practical biomass conversion catalysts (2017)
Journal Article
Taylor, M. J., Jiang, L., Reichert, J., Papageorgiou, A. C., Beaumont, S. K., Wilson, K., Lee, A. F., Barth, J. V., & Kyriakou, G. (2017). Catalytic hydrogenation and hydrodeoxygenation of Furfural over Pt(111): A model system for the rational design and operation of practical biomass conversion catalysts. Journal of physical chemistry. C, 121(15), 8490-8497. https://doi.org/10.1021/acs.jpcc.7b01744

Furfural is a key bioderived platform chemical whose reactivity under hydrogen atmospheres affords diverse chemical intermediates. Here, temperature-programmed reaction spectrometry and complementary scanning tunneling microscopy (STM) are employed t... Read More about Catalytic hydrogenation and hydrodeoxygenation of Furfural over Pt(111): A model system for the rational design and operation of practical biomass conversion catalysts.

Maintenance of head and neck tumor on-chip: gateway to personalized treatment? (2017)
Journal Article
Bower, R., Green, V. L., Kuvshinova, E., Kuvshinov, D., Karsai, L., Crank, S. T., Stafford, N. D., & Greenman, J. (2017). Maintenance of head and neck tumor on-chip: gateway to personalized treatment?. Future Science OA, 3(2), FSO174. https://doi.org/10.4155/fsoa-2016-0089

Aim: Head and neck squamous cell carcinomas (HNSCC) are solid tumors with low overall survival (40–60%). In a move toward personalized medicine, maintenance of tumor biopsies in microfluidic tissue culture devices is being developed. Methodology/ res... Read More about Maintenance of head and neck tumor on-chip: gateway to personalized treatment?.

Continuous fabrication of calcium sulfate whiskers with adjustable aspect ratio in microdroplets (2017)
Journal Article
Qi, Y., Zeng, C., Wang, C., Ke, X., & Zhang, L. (2017). Continuous fabrication of calcium sulfate whiskers with adjustable aspect ratio in microdroplets. Materials letters, 194, 231-233. https://doi.org/10.1016/j.matlet.2017.02.066

Hemi-hydrate and anhydrous CaSO₄ whiskers with adjustable aspect ratio were continuously synthesized by the reactive crystallization of CaCl₂ to K₂ S₂ O₈ in microdroplets. The effects of solvent and reactive temperature were examined, with SEM and XR... Read More about Continuous fabrication of calcium sulfate whiskers with adjustable aspect ratio in microdroplets.

Through-plane gas permeability of gas diffusion layers and microporous layer: Effects of carbon loading and sintering (2017)
Journal Article
Orogbemi, O. M., Ingham, D. B., Ismail, M. S., Hughes, K. J., Ma, L., & Pourkashanian, M. (2018). Through-plane gas permeability of gas diffusion layers and microporous layer: Effects of carbon loading and sintering. Journal of the Energy Institute, 91(2), 270-278. https://doi.org/10.1016/j.joei.2016.11.008

Knowledge of the absolute permeability for the various porous layers is necessary to obtain accurate profiles for water saturation within the membrane electrode assembly (MEA) in a two-phase model of a polymer electrolyte membrane fuel cell (PEMFC).... Read More about Through-plane gas permeability of gas diffusion layers and microporous layer: Effects of carbon loading and sintering.

Snap-through behaviour of a bistable structure based on viscoelastically generated prestress (2017)
Journal Article
Wang, B., Ge, C., & Fancey, K. S. (2017). Snap-through behaviour of a bistable structure based on viscoelastically generated prestress. Composites. Part B, Engineering, 114, 23-33. https://doi.org/10.1016/j.compositesb.2017.01.069

A novel form of shape-changing bistable structure has been successfully developed through the use of viscoelastically generated prestress. Bistability is achieved through pairs of deflecting viscoelastically prestressed polymeric matrix composite (VP... Read More about Snap-through behaviour of a bistable structure based on viscoelastically generated prestress.

Nanocarbons from acid pretreated waste coffee grounds using microwave radiation (2017)
Journal Article
Zein, S. H., Gyamera, B. A., & Skoulou, V. K. (2017). Nanocarbons from acid pretreated waste coffee grounds using microwave radiation. Materials letters, 193, 46-49. https://doi.org/10.1016/j.matlet.2017.01.100

This study investigates the use of microwave radiation to produce nanocarbons from Waste Coffee Grounds (WCG). It is first step to demonstrate the potential of integrating the microwave power to conventional methods of carbonaceous materials and nano... Read More about Nanocarbons from acid pretreated waste coffee grounds using microwave radiation.

Effects of catalyst agglomerate shape in polymer electrolyte fuel cells investigated by a multi-scale modelling framework (2017)
Journal Article
Ismail, M. S., Ingham, D. B., Ma, L., Hughes, K. J., & Pourkashanian, M. (2017). Effects of catalyst agglomerate shape in polymer electrolyte fuel cells investigated by a multi-scale modelling framework. Energy, 122, 420-430. https://doi.org/10.1016/j.energy.2017.01.092

A multi-scale modelling framework is developed for the PEFC cathode electrode. Unlike the conventional agglomerate model, the effects of the microstructure of the agglomerate are numerically coupled to the fuel cell-scale model in this framework. Thi... Read More about Effects of catalyst agglomerate shape in polymer electrolyte fuel cells investigated by a multi-scale modelling framework.

Possibilities of upgrading solid underutilized lingo-cellulosic feedstock (carob pods) to liquid bio-fuel: Bio-ethanol production and electricity generation in fuel cells - A critical appraisal of the required processes (2017)
Journal Article
Skoulou, V. K., & Vourdoubas, J. (2017). Possibilities of upgrading solid underutilized lingo-cellulosic feedstock (carob pods) to liquid bio-fuel: Bio-ethanol production and electricity generation in fuel cells - A critical appraisal of the required processes. Studies in Engineering and Technology, 4(1), 25-34. https://doi.org/10.11114/set.v4i1.2170

The exploitation of rich in sugars lingo-cellulosic residue of carob pods for bio-ethanol and bio-electricity generation has been investigated. The process could take place in two (2) or three (3) stages including: a) bio-ethanol production originate... Read More about Possibilities of upgrading solid underutilized lingo-cellulosic feedstock (carob pods) to liquid bio-fuel: Bio-ethanol production and electricity generation in fuel cells - A critical appraisal of the required processes.

Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates (2017)
Journal Article
Kaur, A., Ibhadon, A., & Kansal, S. K. (2017). Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates. Journal of materials science, 52(9), 5256-5267. https://doi.org/10.1007/s10853-017-0766-6

In this study, Ag-doped ZnO microplates were prepared via precipitation technique and further characterized by FESEM, EDS, XRD, FTIR, TGA, XPS, UV-DRS and RT-PL techniques. The outcomes indicated that Ag+ ions were well incorporated into ZnO lattice... Read More about Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates.

Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio (2017)
Presentation / Conference Contribution
Mehdawi, M., Riley, N. G., Fanan, A., & Ammar, M. (2016, November). Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio. Presented at 24th Telecommunications Forum, TELFOR 2016

© 2016 IEEE. Cognitive radio (CR) has been proposed as a solution to the spectrum scarcity problem, which is aggravated by emergence of bandwidth-hungry and feature-rich wireless applications. Selection of appropriate antennas for cognitive radio app... Read More about Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio.

A techno-economic comparison of Fischer–Tropsch and fast pyrolysis as ways of utilizing sugar cane bagasse in transportation fuels production. (2017)
Journal Article
Michailos, S., Parker, D., & Webb, C. (2017). A techno-economic comparison of Fischer–Tropsch and fast pyrolysis as ways of utilizing sugar cane bagasse in transportation fuels production. Chemical engineering research & design : transactions of the Institution of Chemical Engineers, 118, 206-214. https://doi.org/10.1016/j.cherd.2017.01.001

Due to limited biomass availability, the establishment of optimal route biofuel value chains (one conversion route for each feedstock) is a key prerequisite for a feasible bioenergy sector. This way, biorefineries can take advantage of the economies... Read More about A techno-economic comparison of Fischer–Tropsch and fast pyrolysis as ways of utilizing sugar cane bagasse in transportation fuels production..

Tailored mesoporous silica supports for Ni catalysed hydrogen production from ethanol steam reforming (2016)
Journal Article
Parlett, C. M., Aydin, A., Durndell, L. J., Frattini, L., Isaacs, M. A., Lee, A. F., Liu, X., Olivi, L., Trofimovaite, R., Wilson, K., & Wu, C. (2017). Tailored mesoporous silica supports for Ni catalysed hydrogen production from ethanol steam reforming. Catalysis communications, 91, 76-79. https://doi.org/10.1016/j.catcom.2016.12.021

Mesoporous silica supported Ni nanoparticles have been investigated for hydrogen production from ethanol steam reforming. Ethanol reforming is structure-sensitive over Ni, and also dependent on support mesostructure; three-dimensional KIT-6 possessin... Read More about Tailored mesoporous silica supports for Ni catalysed hydrogen production from ethanol steam reforming.

Comparative Analysis of Synthetic Natural Gas versus Hydrogen Production from Bagasse (2016)
Journal Article
Michailos, S., Parker, D., & Webb, C. (2017). Comparative Analysis of Synthetic Natural Gas versus Hydrogen Production from Bagasse. Chemical Engineering & Technology, 40(3), 546-554. https://doi.org/10.1002/ceat.201600424

A rigorous and comparative evaluation of two biomass-to-gases (BtG) conversion routes was performed and, according to this outcome, it is suggested which of the options evaluated is most desirable. These options, the hydrogen and synthetic natural ga... Read More about Comparative Analysis of Synthetic Natural Gas versus Hydrogen Production from Bagasse.

Effect of pressure on the efficiency of nickel and nickel-copper catalysts in decomposition of methane (2016)
Journal Article
Kuvshinov, G. G., Popov, M. V., Tonkodubov, S. E., & Kuvshinov, D. G. (2016). Effect of pressure on the efficiency of nickel and nickel-copper catalysts in decomposition of methane. Russian Journal of Applied Chemistry / Zhurnal Prikladnoi Khimii, 89(11), 1777-1785. https://doi.org/10.1134/S1070427216110070

Methane decomposition into hydrogen and nanofibrous carbon in the presence of high-percentage catalysts (70–90)% Ni–(0–20)% Cu–10% Al at a temperature of 948 K and pressures of 1 to 5 atm was studied in order to develop a technology for enrichment of... Read More about Effect of pressure on the efficiency of nickel and nickel-copper catalysts in decomposition of methane.

Development of Fe-promoted Ni-Al catalyst for hydrogen production from gasification of wood sawdust (2016)
Journal Article
Dong, L., Wu, C., Ling, H., Shi, J., Williams, P. T., & Huang, J. (2017). Development of Fe-promoted Ni-Al catalyst for hydrogen production from gasification of wood sawdust. Energy and Fuels, 31(3), 2118-2127. https://doi.org/10.1021/acs.energyfuels.6b02050

The production of renewable hydrogen enriched gas from biomass waste is a promising technology for the development of a sustainable economy and society. Until now, there are still challenges of the technology in terms of the efficiency of hydrogen pr... Read More about Development of Fe-promoted Ni-Al catalyst for hydrogen production from gasification of wood sawdust.

Promoting hydrogen production and minimizing catalyst deactivation from the pyrolysis-catalytic steam reforming of biomass on nanosized NiZnAlOx catalysts (2016)
Journal Article
Dong, L., Wu, C., Ling, H., Shi, J., Williams, P. T., & Huang, J. (2017). Promoting hydrogen production and minimizing catalyst deactivation from the pyrolysis-catalytic steam reforming of biomass on nanosized NiZnAlOx catalysts. Fuel, 188, 610-620. https://doi.org/10.1016/j.fuel.2016.10.072

Hydrogen production from the thermochemical conversion of biomass was carried out with nano-sized NiZnAlOx catalysts using a two-stage fixed bed reactor system. The gases derived from the pyrolysis of wood sawdust in the first stage were catalyticall... Read More about Promoting hydrogen production and minimizing catalyst deactivation from the pyrolysis-catalytic steam reforming of biomass on nanosized NiZnAlOx catalysts.

The effects of the composition of microporous layers on the permeability of gas diffusion layers used in polymer electrolyte fuel cells (2016)
Journal Article
Orogbemi, O. M., Ingham, D. B., Ismail, M. S., Hughes, K. J., Ma, L., & Pourkashanian, M. (2016). The effects of the composition of microporous layers on the permeability of gas diffusion layers used in polymer electrolyte fuel cells. International Journal of Hydrogen Energy, 41(46), 21345-21351. https://doi.org/10.1016/j.ijhydene.2016.09.160

The effects of the composition of the microporous layer (MPL) on the through-plane permeability of the gas diffusion layers (GDLs) used in polymer electrolyte fuel cells (PEFCs) have been thoroughly experimentally investigated in this paper. For a gi... Read More about The effects of the composition of microporous layers on the permeability of gas diffusion layers used in polymer electrolyte fuel cells.

Investigation of the chemocatalytic and biocatalytic valorization of a range of different lignin preparations: The importance of β-O-4 content (2016)
Journal Article
Lancefield, C. S., Rashid, G. M. M., Bouxin, F., Wasak, A., Tu, W.-C., Hallett, J., Zein, S., Rodríguez, J., Jackson, S. D., Westwood, N. J., & Bugg, T. D. H. (2016). Investigation of the chemocatalytic and biocatalytic valorization of a range of different lignin preparations: The importance of β-O-4 content. ACS Sustainable Chemistry and Engineering, 4(12), 6921-6930. https://doi.org/10.1021/acssuschemeng.6b01855

A set of seven different lignin preparations was generated from a range of organosolv (acidic, alkaline, ammonia-treated, and dioxane-based), ionic liquid, autohydrolysis, and Kraft pretreatments of lignocelluloses. Each lignin was characterized by 2... Read More about Investigation of the chemocatalytic and biocatalytic valorization of a range of different lignin preparations: The importance of β-O-4 content.

Large-Scale Production of V6O13 Cathode Materials Assisted by Thermal Gravimetric Analysis-Infrared Spectroscopy Technology (2016)
Journal Article
Liang, H. P., Du, J., Jones, T. G., Lawrence, N. S., & Meredith, A. W. (2016). Large-Scale Production of V6O13 Cathode Materials Assisted by Thermal Gravimetric Analysis-Infrared Spectroscopy Technology. ACS Applied Materials & Interfaces, 8(39), 25674-25679. https://doi.org/10.1021/acsami.6b10832

© 2016 American Chemical Society. The kilogram-scale fabrication of V6O13 cathode materials has been notably assisted by in situ thermal gravimetric analysis (TGA)-infrared spectroscopy (IR) technology. This technology successfully identified a resid... Read More about Large-Scale Production of V6O13 Cathode Materials Assisted by Thermal Gravimetric Analysis-Infrared Spectroscopy Technology.