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Spectrum occupancy measurements and lessons learned in the context of cognitive radio (2016)
Presentation / Conference Contribution
Mehdawi, M., Riley, N. G., Ammar, M., Fanan, A., & Zolfaghari, M. (2015, November). Spectrum occupancy measurements and lessons learned in the context of cognitive radio. Presented at 2015 23rd Telecommunications Forum, TELFOR 2015

Various measurement campaigns have shown that numerous spectrum bands are vacant even though licenses have been issued by the regulatory agencies. Dynamic spectrum access (DSA) based on Cognitive Radio (CR) has been regarded as a prospective solution... Read More about Spectrum occupancy measurements and lessons learned in the context of cognitive radio.

A route to unbuffered pH monitoring: A novel electrochemical approach (2016)
Journal Article
Dai, C., Chan, C.-W. I., Barrow, W., Smith, A., Song, P., Potier, F., Wadhawan, J. D., Fisher, A. C., & Lawrence, N. S. (2016). A route to unbuffered pH monitoring: A novel electrochemical approach. Electrochimica acta, 190, 879-886. https://doi.org/10.1016/j.electacta.2016.01.004

Carbon paste electrodes modified by various dihydroxyquinone derivatives are investigated using both cyclic voltammetry and square wave voltammetry in order to ascertain suitability as voltammetric pH sensors. These electrodes show a Nernstian respon... Read More about A route to unbuffered pH monitoring: A novel electrochemical approach.

Metal-free nitrogen-doped carbon foam electrocatalysts for the oxygen reduction reaction in acid solution (2016)
Journal Article
Liu, J., Yu, S., Daio, T., Ismail, M. S., Sasaki, K., & Lyth, S. M. (2016). Metal-free nitrogen-doped carbon foam electrocatalysts for the oxygen reduction reaction in acid solution. Journal of the Electrochemical Society, 163(9), F1049-F1054. https://doi.org/10.1149/2.0631609jes

Metal-free, nitrogen-doped carbon foam is utilized as a model non-precious electrocatalyst system to investigate the role of nitrogen in the oxygen reduction reaction (ORR) in the absence of iron contamination. This graphene-like foam displays relati... Read More about Metal-free nitrogen-doped carbon foam electrocatalysts for the oxygen reduction reaction in acid solution.

Microfluidic culture of head and neck tumour maintains viability, as shown by single cell analysis, providing potential for novel applications and personalised medicine (2016)
Presentation / Conference Contribution
Bower, R., Green, V., Kuvshinov, D., Crank, S., Stafford, N., & Greenman, J. (2016, October). Microfluidic culture of head and neck tumour maintains viability, as shown by single cell analysis, providing potential for novel applications and personalised medicine. Presented at 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, Dublin, Ireland

The current paper details a succinct characterisation of an in-house designed microfluidic culture device. The maintenance of tissue viability was determined by studying single cells, following dissociation, of head and neck tumour pre and post cultu... Read More about Microfluidic culture of head and neck tumour maintains viability, as shown by single cell analysis, providing potential for novel applications and personalised medicine.

Effect of ions in ionic liquids on the characteristics of cellulose from coconut husk fibres (2016)
Journal Article
Reh, N. A., Zakaria, R., & Zein, S. H. (2016). Effect of ions in ionic liquids on the characteristics of cellulose from coconut husk fibres. International journal of biomedical engineering and technology, 21(1), 80-94. https://doi.org/10.1504/IJBET.2016.076734

This paper reports the properties of cellulose nanowhiskers as new potential biomaterials. Cellulose nanowhiskers were produced from coconut husk fibres using four different anions of ionic liquids: 1-butyl-3-mehtylimidzalium chloride, 1-butyl-3-meht... Read More about Effect of ions in ionic liquids on the characteristics of cellulose from coconut husk fibres.

Analytical modeling for switched damping electromagnetic energy harvester (2016)
Presentation / Conference Contribution
Ooi, B. L., Gilbert, J. M., Aziz, A. R. A., & Thein, C. K. Analytical modeling for switched damping electromagnetic energy harvester

© Springer International Publishing Switzerland 2016. This paper presents a novel switched damping method which is able to improve the operational bandwidth of a linear electromagnetic energy harvester. In this system, different damping coefficients,... Read More about Analytical modeling for switched damping electromagnetic energy harvester.

Incorporation of inorganic carbon nanotubes fillers into the CA polymeric matrix for improvement in CO2/N2 separation (2015)
Journal Article
Jawad, Z. A., Ahmad, A. L., Low, S. C., & Zein, S. H. (2015). Incorporation of inorganic carbon nanotubes fillers into the CA polymeric matrix for improvement in CO2/N2 separation. Current nanoscience, 11(1), 69-79. https://doi.org/10.2174/1573413710666140922224633

Among all separation techniques, membrane technology has been shown to reduce CO 2 emissions without any phase changes due to its rapid, energy efficient process. The membrane-based gas separation must consist of a defect-free, thin, dense skin layer... Read More about Incorporation of inorganic carbon nanotubes fillers into the CA polymeric matrix for improvement in CO2/N2 separation.

A novel sensor based on electropolymerized substituted-phenols for pH detection in unbuffered systems (2015)
Journal Article
Dai, C., Crawford, L. P., Song, P., Fisher, A. C., & Lawrence, N. S. (2015). A novel sensor based on electropolymerized substituted-phenols for pH detection in unbuffered systems. RSC advances, 5(126), 104048-104053. https://doi.org/10.1039/c5ra22595g

This work summarizes the electrochemical response of a range of substituted phenols, including salicylaldehyde and salicylic acid, for use as a voltammetric pH sensor for the determination of pH in both buffered and unbuffered media. Suitable candida... Read More about A novel sensor based on electropolymerized substituted-phenols for pH detection in unbuffered systems.

Rebuttal to the comment on article "poly(3-hydroxybutyrate)-functionalised multi-walled carbon nanotubes/chitosan green nanocomposite membranes and their application in pervaporation" (2015)
Journal Article
Ong, Y. T., Ahmad, A. L., Zein, S. H. S., Sudesh, K., & Tan, S. H. (2016). Rebuttal to the comment on article "poly(3-hydroxybutyrate)-functionalised multi-walled carbon nanotubes/chitosan green nanocomposite membranes and their application in pervaporation". Separation and purification technology, 158, 94-95. https://doi.org/10.1016/j.seppur.2015.11.042

Selective oxidation of cyclohexene through gold functionalized silica monolith microreactors (2015)
Journal Article
Alotaibi, M. T., Taylor, M. J., Liu, D., Beaumont, S. K., & Kyriakou, G. (2016). Selective oxidation of cyclohexene through gold functionalized silica monolith microreactors. Surface science, 646, 179-185. https://doi.org/10.1016/j.susc.2015.10.039

Two simple, reproducible methods of preparing evenly distributed Au nanoparticle containing mesoporous silica monoliths are investigated. These Au nanoparticle containing monoliths are subsequently investigated as flow reactors for the selective oxid... Read More about Selective oxidation of cyclohexene through gold functionalized silica monolith microreactors.

Characteristics and catalytic properties of Ni/CaAlOₓ catalyst for hydrogen-enriched syngas production from pyrolysis-steam reforming of biomass sawdust (2015)
Journal Article
Chen, F., Wu, C., Dong, L., Vassallo, A., Williams, P. T., & Huang, J. (2016). Characteristics and catalytic properties of Ni/CaAlOₓ catalyst for hydrogen-enriched syngas production from pyrolysis-steam reforming of biomass sawdust. Applied catalysis. B, Environmental, 183, 168-175. https://doi.org/10.1016/j.apcatb.2015.10.028

The production of hydrogen-enriched syngas from the thermo-chemical conversion of biomass was studied using Ni/CaAlOₓ catalysts prepared by co-precipitation method. The effect of Ca addition with different molar ratios of Ca:Al (1:3, 1:2, 1:1, 2:1, 3... Read More about Characteristics and catalytic properties of Ni/CaAlOₓ catalyst for hydrogen-enriched syngas production from pyrolysis-steam reforming of biomass sawdust.

Plasma-photocatalytic conversion of CO₂ at low temperatures: Understanding the synergistic effect of plasma-catalysis (2015)
Journal Article
Mei, D., Zhu, X., Wu, C., Ashford, B., Williams, P. T., & Tu, X. (2016). Plasma-photocatalytic conversion of CO₂ at low temperatures: Understanding the synergistic effect of plasma-catalysis. Applied catalysis. B, Environmental, 182(March), 525-532. https://doi.org/10.1016/j.apcatb.2015.09.052

A coaxial dielectric barrier discharge (DBD) reactor has been developed for plasma-catalytic conversion of pure CO₂ into CO and O₂ at low temperatures (<150 °C) and atmospheric pressure. The effect of specific energy density (SED) on the performance...

Optimization of active muscle force-length models using least squares curve fitting (2015)
Journal Article
Hou, M., & Mohammed, G. A. (2015). Optimization of active muscle force-length models using least squares curve fitting. IEEE transactions on bio-medical engineering / Bio-medical Engineering Group, 63(3), 630-635. https://doi.org/10.1109/TBME.2015.2467169

The objective of this paper is to propose an asymmetric Gaussian function as an alternative to the existing active force-length models, and to optimize this model along with several other existing models by using the least squares curve fitting metho... Read More about Optimization of active muscle force-length models using least squares curve fitting.

Effective diffusivity of polymer electrolyte fuel cell gas diffusion layers: An overview and numerical study (2015)
Journal Article
Ismail, M. S., Ingham, D. B., Hughes, K. J., Ma, L., & Pourkashanian, M. (2015). Effective diffusivity of polymer electrolyte fuel cell gas diffusion layers: An overview and numerical study. International Journal of Hydrogen Energy, 40(34), 10994-11010. https://doi.org/10.1016/j.ijhydene.2015.06.073

Published experimental and theoretical investigations conducted to estimate the effective diffusivity of the gas diffusion layers (GDLs) and other porous layers in polymer electrolyte fuel cells (PEFCs) have been reviewed. The main observations are t... Read More about Effective diffusivity of polymer electrolyte fuel cell gas diffusion layers: An overview and numerical study.

Highly selective hydrogenation of furfural over supported Pt nanoparticles under mild conditions (2015)
Journal Article
Taylor, M. J., Durndell, L. J., Isaacs, M. A., Parlett, C. M., Wilson, K., Lee, A. F., & Kyriakou, G. (2016). Highly selective hydrogenation of furfural over supported Pt nanoparticles under mild conditions. Applied catalysis. B, Environmental, 180, 580-585. https://doi.org/10.1016/j.apcatb.2015.07.006

The selective liquid phase hydrogenation of furfural to furfuryl alcohol over Pt nanoparticles supported on SiO₂, ZnO, γ-Al2O₃, CeO₂ is reported under extremely mild conditions. Ambient hydrogen pressure, and temperatures as low as 50 °C are shown su... Read More about Highly selective hydrogenation of furfural over supported Pt nanoparticles under mild conditions.

The use of different metal catalysts for the simultaneous production of carbon nanotubes and hydrogen from pyrolysis of plastic feedstocks (2015)
Journal Article
Acomb, J. C., Wu, C., & Williams, P. T. (2016). The use of different metal catalysts for the simultaneous production of carbon nanotubes and hydrogen from pyrolysis of plastic feedstocks. Applied catalysis. B, Environmental, 180(January), 497-510. https://doi.org/10.1016/j.apcatb.2015.06.054

Nickel, iron, cobalt and copper catalysts were prepared by impregnation and used to produce carbon nanotubes and hydrogen gas from a LDPE feedstock. A two stage catalytic pyrolysis process was used to enable large yields of both products. Plastics sa... Read More about The use of different metal catalysts for the simultaneous production of carbon nanotubes and hydrogen from pyrolysis of plastic feedstocks.

Biodiesel from microalgae : the use of multi-criteria decision analysis for strain selection (2015)
Journal Article
Nwokoagbara, E., Olaleye, A. K., & Wang, M. (2015). Biodiesel from microalgae : the use of multi-criteria decision analysis for strain selection. Fuel, 159, 241-249. https://doi.org/10.1016/j.fuel.2015.06.074

Microalgae strain selection is a vital step in the production of biodiesel from microalgae. In this study, Multi-Criteria Decision Analysis (MCDA) methodologies are adopted to resolve this problem. The aim of this study is to identify the best microa... Read More about Biodiesel from microalgae : the use of multi-criteria decision analysis for strain selection.

Study on heat integration of supercritical coal-fired power plant with post-combustion CO₂ capture process through process simulation (2015)
Journal Article
Liu, X., Chen, J., Luo, X., Wang, M., & Meng, H. (2015). Study on heat integration of supercritical coal-fired power plant with post-combustion CO₂ capture process through process simulation. Fuel, 158(October), 625-633. https://doi.org/10.1016/j.fuel.2015.06.033

Coal-fired power plant (CFPP) is one of the main sources of anthropogenic CO₂ emissions. Capturing CO₂ from CFPP by post-combustion process plays an important role to mitigate CO₂ emissions. However, a significant thermal efficiency drop was observed... Read More about Study on heat integration of supercritical coal-fired power plant with post-combustion CO₂ capture process through process simulation.

Catalytic steam reforming of volatiles released via pyrolysis of wood sawdust for hydrogen-rich gas production on Fe–Zn/Al2O3 nanocatalysts (2015)
Journal Article
Chen, F., Wu, C., Dong, L., Jin, F., Williams, P. T., & Huang, J. (2015). Catalytic steam reforming of volatiles released via pyrolysis of wood sawdust for hydrogen-rich gas production on Fe–Zn/Al2O3 nanocatalysts. Fuel, 158(October), 999-1005. https://doi.org/10.1016/j.fuel.2015.05.040

Thermo-chemical processing of biomass is a promising alternative to produce renewable hydrogen as a clean fuel or renewable syngas for a sustainable chemical industry. However, the fast deactivation of catalysts due to coke formation and sintering li... Read More about Catalytic steam reforming of volatiles released via pyrolysis of wood sawdust for hydrogen-rich gas production on Fe–Zn/Al2O3 nanocatalysts.