All Outputs (506)

Comparison of Birch with electrochemical reduction of 2,3-diphenyl-1,4- diazaspiro[4.5]deca-1,3-diene (2010)
Journal Article
Zhou, Y., Andreou, A., Biktagirov, E., Eames, J., & Wadhawan, J. (2010). Comparison of Birch with electrochemical reduction of 2,3-diphenyl-1,4- diazaspiro[4.5]deca-1,3-diene. Electrochemistry communications, 12(11), 1493-1497. https://doi.org/10.1016/j.elecom.2010.08.016

Reduction of 2,3-diphenyl-1,4-diazaspiro[4.5]deca-1,3-diene is investigated both voltammetrically (glassy-carbon electrode, 20°C, non-aqueous-solvents) and using dissolving-metals (sodium, −78°C, tetrahydrofuran (THF)/NH3(l)). Remarkably, electro-red... Read More about Comparison of Birch with electrochemical reduction of 2,3-diphenyl-1,4- diazaspiro[4.5]deca-1,3-diene.

Microfluidic perfusion system for maintaining viable heart tissue with real-time electrochemical monitoring of reactive oxygen species (2010)
Journal Article
Cheah, L.-T., Dou, Y. H., Seymour, A. M. L., Dyer, C. E., Haswell, S. J., Wadhawan, J. D., & Greenman, J. (2010). Microfluidic perfusion system for maintaining viable heart tissue with real-time electrochemical monitoring of reactive oxygen species. Lab on a chip, 10(20), 2720-2726. https://doi.org/10.1039/c004910g

A microfluidic device has been developed to maintain viable heart tissue samples in a biomimetic microenvironment. This device allows rat or human heart tissue to be studied under pseudo in vivo conditions. Effluent levels of lactate dehydrogenase an... Read More about Microfluidic perfusion system for maintaining viable heart tissue with real-time electrochemical monitoring of reactive oxygen species.

Amperometric measurement of gaseous hydrogen sulfide via a Clark-type approach (2010)
Journal Article
Horn, J. J., Wadhawan, J., & Mccreedy, T. (2010). Amperometric measurement of gaseous hydrogen sulfide via a Clark-type approach. Analytical Methods, 2(9), 1346-1354. https://doi.org/10.1039/c0ay00338g

The direct oxidation of hydrogen sulfide in the range 2.0-20 parts per million by volume (ppmv) using a Clark-type amperometric gas sensing methodology is investigated via amperometric transients at 298 K. The diluent gas employed is air (20.9% O-2 i... Read More about Amperometric measurement of gaseous hydrogen sulfide via a Clark-type approach.

Electrochemistry and charge transport in sporopollenin particle arrays (2010)
Journal Article
Thomasson, M. J., Baldwin, D. J., Diego-Taboada, A., Atkin, S. L., Mackenzie, G., & Wadhawan, J. D. (2010). Electrochemistry and charge transport in sporopollenin particle arrays. Electrochemistry communications, 12(10), 1428-1431. https://doi.org/10.1016/j.elecom.2010.07.038

Electrochemical oxidation of hollow sporopollenin particles immobilised on an electrode surface is investigated in aqueous acidic solution. Redox activity is demonstrated to occur via a mixture of 2e(-)-2H(+) and 2e(-)-1H(+) processes, likely due to... Read More about Electrochemistry and charge transport in sporopollenin particle arrays.

Highly efficient hybrid supercapacitor material from nickel-manganese oxides/MWCNT/PEDOT nanocomposite (2010)
Journal Article
Kiamahalleh, M. V., Cheng, C. I., Sata, S. A., Buniran, S., & Zein, S. H. S. (2010). Highly efficient hybrid supercapacitor material from nickel-manganese oxides/MWCNT/PEDOT nanocomposite. Nano, 5(3), 143-148. https://doi.org/10.1142/S1793292010002049

A novel ternary nanocomposite of nickel-manganese oxides/multi-walled carbon nanotubes (NMO/MWCNTs) coated with poly (3,4-ethylenedioxythiophene) (PEDOT) was prepared by chemical oxidation method. The filling of NMO particles inside MWCNTs and the un... Read More about Highly efficient hybrid supercapacitor material from nickel-manganese oxides/MWCNT/PEDOT nanocomposite.

Thermal conductivity measurement of liquids in a microfluidic device (2010)
Journal Article
Kuvshinov, D., Bown, M. R., MacInnes, J. M., Allen, R. W., Ge, R., Aldous, L., Hardacre, C., Doy, N., Newton, M. I., & McHale, G. (2011). Thermal conductivity measurement of liquids in a microfluidic device. Microfluidics and Nanofluidics, 10(1), 123-132. https://doi.org/10.1007/s10404-010-0652-x

A new microfluidic-based approach to measuring liquid thermal conductivity is developed to address the requirement in many practical applications for measurements using small (microlitre) sample size and integration into a compact device. The approac... Read More about Thermal conductivity measurement of liquids in a microfluidic device.

Mobile gasification units for sustainable electricity production in rural areas: the SMARt-CHP project (2010)
Journal Article
Zabaniotou, A. A., Skoulou, V. K., Mertzis, D. P., Koufodimos, G. S., & Samaras, Z. C. (2011). Mobile gasification units for sustainable electricity production in rural areas: the SMARt-CHP project. Industrial & engineering chemistry research, 50(2), 602-608. https://doi.org/10.1021/ie100202p

This paper presents a 5 kW th biomass gasification pilot unit along with experimental results concerning producer gas composition. A chemical equilibrium mathematical model is also introduced and a comparison of measured and calculated results is pre... Read More about Mobile gasification units for sustainable electricity production in rural areas: the SMARt-CHP project.

Origin and analysis of aliphatic and cyclic hydrocarbons in northeast United Kingdom coastal marine sediments (2010)
Journal Article
Ibbotson, J., & Ibhadon, A. O. (2010). Origin and analysis of aliphatic and cyclic hydrocarbons in northeast United Kingdom coastal marine sediments. Marine pollution bulletin, 60(7), 1136-1141. https://doi.org/10.1016/j.marpolbul.2010.03.024

Sediment samples from multiple sites in the North Sea Coast of England were solvent extracted and analysed by a quadruple gas chromatograph equipped with a mass spectrometer detector in order to determine the concentration and distribution of aliphat... Read More about Origin and analysis of aliphatic and cyclic hydrocarbons in northeast United Kingdom coastal marine sediments.

A review on carbon nanotubes in an environmental protection and green engineering perspective (2010)
Journal Article
Ong, Y. T., Ahmad, A. L., Zein, S. H. S., & Tan, S. H. (2010). A review on carbon nanotubes in an environmental protection and green engineering perspective. Brazilian journal of chemical Engineering, 27(2), 227-242. https://doi.org/10.1590/S0104-66322010000200002

Recent developments in nanotechnologies have helped to benchmark carbon nanotubes (CNTs) as one of the most studied nanomaterials. By taking advantages of CNTs extraordinary physical, chemical and electronic properties, a wide variety of applications... Read More about A review on carbon nanotubes in an environmental protection and green engineering perspective.

Effect of polytetrafluoroethylene-treatment and microporous layer-coating on the in-plane permeability of gas diffusion layers used in proton exchange membrane fuel cells (2010)
Journal Article
Ismail, M. S., Damjanovic, T., Ingham, D. B., Ma, L., & Pourkashanian, M. (2010). Effect of polytetrafluoroethylene-treatment and microporous layer-coating on the in-plane permeability of gas diffusion layers used in proton exchange membrane fuel cells. Journal of power sources, 195(19), 6619-6628. https://doi.org/10.1016/j.jpowsour.2010.04.036

The in-plane permeability has been experimentally estimated for a number of carbon substrates and microporous layer (MPL)-coated gas diffusion layers (GDLs) as used in proton exchange membrane (PEM) fuel cells. The results show that the in-plane perm... Read More about Effect of polytetrafluoroethylene-treatment and microporous layer-coating on the in-plane permeability of gas diffusion layers used in proton exchange membrane fuel cells.

Calcium phosphate-based composites as injectable bone substitute materials (2010)
Journal Article
Low, K. L., Tan, S. H., Zein, S. H. S., Roether, J. A., Mouriño, V., & Boccaccini, A. R. (2010). Calcium phosphate-based composites as injectable bone substitute materials. Journal of biomedical materials research. Part B, Applied biomaterials, 94(1), 273-286. https://doi.org/10.1002/jbm.b.31619

A major weakness of current orthopedic implant materials, for instance sintered hydroxyapatite (HA), is that they exist as a hardened form, requiring the surgeon to fit the surgical site around an implant to the desired shape. This can cause an incre... Read More about Calcium phosphate-based composites as injectable bone substitute materials.

Physical Chemistry Examinations (2010)
Book
Ibhadon, A. (2010). Physical Chemistry Examinations. Nova Science

This book was written to meet the needs and demands of students who find studying physical chemistry a difficult and at times a frustrating experience. The author have observed over several years of teaching this subject at the undergraduate level th... Read More about Physical Chemistry Examinations.

Preparation and properties of perovskite-dispersed titania membranes (2010)
Journal Article
Sani, N. A., Ahmad, A. L., & Zein, S. H. (2010). Preparation and properties of perovskite-dispersed titania membranes. Journal of applied sciences (Asian Network for Scientific Information), 10(12), 1097-1103. https://doi.org/10.3923/jas.2010.1097.1103

Defect-free SrCo 0 8 Fe 0 2 0 3 perovskite-dispersed titania (perovskite-titania) membrane was successfully prepared by sol-gel method combined with wet impregnation process. In this experiment, titania membrane was immersed in a perovskite solution,... Read More about Preparation and properties of perovskite-dispersed titania membranes.

Bioenergy production for CO2-mitigation and rural development via valorisation of low value crop residues and their upgrade into energy carriers: A challenge for sunflower and soya residues (2009)
Journal Article
Zabaniotou, A., Kantarelis, E., Skoulou, V., & Chatziavgoustis, T. (2010). Bioenergy production for CO2-mitigation and rural development via valorisation of low value crop residues and their upgrade into energy carriers: A challenge for sunflower and soya residues. Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies, 101(2), 619-623. https://doi.org/10.1016/j.biortech.2009.08.004

The present study concerns the energetic valorization of sunflower and soya residues by air fixed-bed gasification. The main process parameters that have been investigated were the temperature and air equivalence ratio. Experimental results indicated... Read More about Bioenergy production for CO2-mitigation and rural development via valorisation of low value crop residues and their upgrade into energy carriers: A challenge for sunflower and soya residues.

Immobilized anthraquinone for redox mediation of horseradish peroxidase for hydrogen peroxide sensing (2009)
Journal Article
Dou, Y., Haswell, S., Greenman, J., & Wadhawan, J. (2009). Immobilized anthraquinone for redox mediation of horseradish peroxidase for hydrogen peroxide sensing. Electrochemistry communications, 11(10), 1976-1981. https://doi.org/10.1016/j.elecom.2009.08.032

The detection of hydrogen peroxide is detailed using horseradish peroxidase and anthraquinone. Both species are immobilized on a glassy carbon electrode substrate. This dual immobilization gives rise to lower detection limits compared with the situat... Read More about Immobilized anthraquinone for redox mediation of horseradish peroxidase for hydrogen peroxide sensing.

Effect of biomass leaching on H2 production, ash and tar behavior during high temperature steam gasification (HTSG) process (2009)
Journal Article
Skoulou, V., Kantarelis, E., Arvelakis, S., Yang, W., & Zabaniotou, A. (2009). Effect of biomass leaching on H2 production, ash and tar behavior during high temperature steam gasification (HTSG) process. International Journal of Hydrogen Energy, 34(14), 5666-5673. https://doi.org/10.1016/j.ijhydene.2009.05.117

The effect of biomass water leaching on H 2 production, as well as, prediction of ash thermal behavior and formation of biomass tar during high temperature steam gasification (HTSG) of olive kernel is the main aim of the present work. Within this stu... Read More about Effect of biomass leaching on H2 production, ash and tar behavior during high temperature steam gasification (HTSG) process.

MnO2-filled multiwalled carbon nanotube/polyaniline nanocomposites with enhanced interfacial interaction and electronic propertiesMnO2-filled multiwalled carbon nanotube/polyaniline nanocomposites with enhanced interfacial interaction and electronic properties (2009)
Journal Article
Razak, S. I. A., Ahmad, A. L., Zein, S. H. S., & Boccaccini, A. R. (2009). MnO2-filled multiwalled carbon nanotube/polyaniline nanocomposites with enhanced interfacial interaction and electronic propertiesMnO2-filled multiwalled carbon nanotube/polyaniline nanocomposites with enhanced interfacial interaction and electronic properties. Scripta materialia, 61(6), 592-595. https://doi.org/10.1016/j.scriptamat.2009.05.030

This paper reports the synthesis and characterization of new ternary nanocomposites combining polyaniline (PANI), multiwalled carbon nanotubes (MWCNTs) and manganese dioxide (MnO2). MnO2 was successfully incorporated within the MWCNTs. In situ polyme... Read More about MnO2-filled multiwalled carbon nanotube/polyaniline nanocomposites with enhanced interfacial interaction and electronic propertiesMnO2-filled multiwalled carbon nanotube/polyaniline nanocomposites with enhanced interfacial interaction and electronic properties.

Electrochemical Determination of Diffusion Anisotropy in Molecularly-Structured Materials (2009)
Journal Article
Evans, L. A., Thomasson, M. J., Kelly, S. M., & Wadhawan, J. (2009). Electrochemical Determination of Diffusion Anisotropy in Molecularly-Structured Materials. Journal of physical chemistry. C, 113(20), 8901-8910. https://doi.org/10.1021/jp806322c

Theory is presented for the case of two-dimensional diffusion anisotropy in axiosymmetric systems, which, advantageously and indirectly, affords a unified theory of diffusive mass transport at planar, microdisk (or nanodisk) and cylindrical electrode... Read More about Electrochemical Determination of Diffusion Anisotropy in Molecularly-Structured Materials.

Electrogenerated chemiluminescence at droplet-modified electrodes: towards biphasic pKₐ measurement via proton-coupled electron transfer at liquid|liquid interfaces (2009)
Journal Article
Lledo-Fernandéz, C., Hatay, I., Ball, M. J., Greenway, G. M., & Wadhawan, J. (2009). Electrogenerated chemiluminescence at droplet-modified electrodes: towards biphasic pKₐ measurement via proton-coupled electron transfer at liquid|liquid interfaces. New journal of chemistry = Nouveau journal de chimie, 33(4), 749-759. https://doi.org/10.1039/b810844g

This preliminary work reports, for the first time, electrogenerated chemiluminescence (ECL) at droplet-modified electrodes. The system involves oxidation of aqueous tris(2,2′-bipyridyl)ruthenium(ii) ions at a glassy carbon electrode on which a random... Read More about Electrogenerated chemiluminescence at droplet-modified electrodes: towards biphasic pKₐ measurement via proton-coupled electron transfer at liquid|liquid interfaces.

pH testing for detecting the position of nasogastric tubes in adults and children (2009)
Journal Article
Kalia, S., Hall, J., El-Habbal, M., Imrie, C., Arabiat, D. H., Shields, L., Allgar, V., Wadhawan, J., Greenman, J., & Elliott, B. (2009). pH testing for detecting the position of nasogastric tubes in adults and children. Cochrane Database of Systematic Reviews, 28126. https://doi.org/10.1002/14651858.cd007660

This is the protocol for a review and there is no abstract. The objectives are as follows: Our objective is to determine if there is sufficient evidence to recommend the use of pH testing (the intervention under scrutiny) for verification of correct... Read More about pH testing for detecting the position of nasogastric tubes in adults and children.