Now showing items 3-18 of 18

  • Bioavailability of organic contaminants in sediments. 

    Yates, Kyari (The Robert Gordon University Department of Pharmacy and Life Sciences, 2008-03)
    The bioavailability of polycyclic aromatic hydrocarbons (PAHs) and chlorobiphenyls (CBs) in sediments is largely dependent on the freely dissolved concentration of these pollutants. However, measuring these is challenging, ...
  • Combined effects of bioavailable organic contaminants in the aquatic environment. 

    Emelogu, Emmanuel Steven (Robert Gordon University School of Pharmacy and Life Sciences., 2013-05)
    Passive sampling, as opposed to the conventional spot or bottle water sampling technique, has shown to be reliable and efficient in monitoring the toxicologically relevant, freely dissolved (e.g. bioavaialable) concentrations ...
  • Computational fluid dynamics modelling of PEM fuel cells to investigate transport limitations. 

    Islam, Sheikh Zahidul (Robert Gordon University School of Engineering, 2012-04)
    Modern technological advancements in our lifestyle have caused a significant increase in the consumption of energy. With this growing demand, people are more concerned about the rational use of existing limited energy ...
  • The development and application of statistical sampling regime to map out hydrocarbons in sediments. 

    Ahmed, Abdulwaheed Suleiman (Robert Gordon University School of Pharmacy and Life Sciences, 2005-11)
    This thesis investigates and develops a stratified random sampling design for sediments in an offshore oil field environment. The sampling area was partitioned equally into 16 Zones, stratification were based on the near ...
  • Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments. 

    Bhavsar, Kaushalkumar; Prabhu, Radhakrishna; Pollard, Pat (IOP Publishing. http://dx.doi.org/10.1088/1742-6596/450/1/012011, 2013-09)
    BHAVSAR, K., PRABHU, R. and POLLARD, P., 2013. Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments. Journal of Physics: Conference Series, 450, 012011.
    Detection of highly toxic heavy metal ions requires rapid, simple, sensitive and selective detection methods in the environment. Optical fibre based sensing facilitates the remote, continuous and in-situ detection ...
  • Environmental risk management of contamination of marine biota by hydrocarbons specifically those arising following an oil spill. 

    Enwere, Rita (The Robert Gordon University School of Pharmacy and Life Sciences, 2009-03)
    Marine pollution resulting from oil spillage has received much attention mostly due to the damaging effects it has on fisheries and aquacultures. One component of oil that is widely studied due to its toxic and carcinogenic ...
  • Evaluation and testing of a novel photocatalytic reactor with model water pollutants. 

    Mohammed, Abdulrahman Olawole (The Robert Gordon University Centre for Research in Energy and the Environment, School of Engineering., 2007-05)
    Semiconductor photocatalysis is a newly emerging technology for the elimination of harmful chemical compounds from air and water. It couples low-energy ultraviolet light with semiconductors acting as photocatalyst and ...
  • Hydrodynamic and economic modelling of tidal current energy conversion systems. 

    Melville, Guy T. (Robert Gordon University School of Engineering, 2008-11)
    This thesis examines the contribution of computational modelling to the development of the tidal current energy industry, against the background of increasing commercial, government, academic and public interest. It does ...
  • Investigation of species transport in a gas diffusion layer of a polymer electrolyte membrane fuel cell through two-phase modelling. 

    Hossain, Mamdud; Islam, Sheikh Zahidul; Pollard, Pat (Elsevier http://dx.doi.org/10.1016/j.renene.2012.10.008, 2013-03)
    HOSSAIN, M., ISLAM, S. Z., and POLLARD, P., 2013. Investigation of species transport in a gas diffusion layer of a polymer electrolyte membrane fuel cell through two-phase modelling. Renewable Energy, 51, pp. 404-418.
    A two-phase polymer electrolyte membrane fuel cell model has been developed to investigate transport of species in a gas diffusion layer taking into account effects of liquid water saturation. A set of governing equations ...
  • Investigations on surface wettability of ZnO nanowires using UV LEDs for biosensing applications. 

    Bhavsar, Kaushalkumar; Prabhu, Radhakrishna; Pollard, Pat (IOP Publishing. http://dx.doi.org/10.1088/1757-899X/64/1/012033, 2014-05)
    BHAVSAR, K., PRABHU, R. and POLLARD, P., 2014. Investigations on surface wettability of ZnO nanowires using UV LEDs for biosensing applications. IOP Conference Series: Materials Science and Engineering, 64, 012033.
    ZnO is a biocompatible material suitable for biosensors and microfluidic devices. Nanowires of ZnO tend to show hydrophobic nature which decelerates the adhesion/adsorption of biomolecules on the surface. This paper ...
  • LED-controlled tuning of ZnO nanowires’ wettability for biosensing applications. 

    Bhavsar, Kaushalkumar; Ross, Duncan; Prabhu, Radhakrishna; Pollard, Pat (Co-Action Publishing. http://dx.doi.org/10.3402/nano.v6.26711, 2015-04)
    BHAVSAR, K., ROSS, D., PRABHU, R. and POLLARD, P., 2014. LED-controlled tuning of ZnO nanowires’ wettability for biosensing applications. Nano Reviews, 6:26711
    Background: Wettability is an important property of solid materials which can be controlled by surface energy. Dynamic control over the surface wettability is of great importance for biosensing applications. Zinc oxide ...
  • Numerical study of the effect of effective diffusivity and permeability of the gas diffusion layer on fuel cell performance. 

    Hossain, Mamdud; Islam, Sheikh Zahidul; Pollard, Pat (SAGE http://dx.doi.org/10.1177/0957650912454402, 2012-11)
    HOSSAIN, M., ISLAM, S. Z. and POLLARD, P., 2012. Numerical study of the effect of effective diffusivity and permeability of the gas diffusion layer on fuel cell performance. Proceedings of the Institute of Mechanical Engineers, Part A: Journal of Power and Energy, 226 (7), pp. 907-921.
    A three-dimensional, single-phase, isothermal, explicit electrochemistry polymer electrolyte membrane fuel cell model has been developed and the developed computational model has been used to compare various effective ...
  • Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide. 

    Cruickshank, Laura; Officer, Simon J.; Pollard, Pat; Prabhu, Radhakrishna; Stutter, Mark; Fernandez, Carlos (Japan Society for Analytical Chemistry http://dx.doi.org/10.2116/analsci.31.623, 2015-07)
    CRUICKSHANK, L., OFFICER, S., POLLARD, P., PRABHU, R., STUTTER, M. and FERNANDEZ, C., 2015. Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide. Analytical Sciences, 31 (7), pp. 623-627.
    This work presents for the first time the electrochemical determination of europium using cyclic voltammetry at gold electrodes modified with 2-pyridinol-1-oxide. A well-defined oxidation peak was observed in cyclic ...
  • Scale effects in testing of a monopile support structure submerged in tidal currents. 

    Okorie, Oghenevwori Patricia (Robert Gordon University School of Engineering, 2011-11)
    Climate change and energy security are key issues motivating the development of Tidal Current Energy (TCE) technology. Small scale model testing of TCE devices is a major challenge facing the technology due to turbulent ...
  • The use of carbon and gold electrodes in anodic stripping voltammetric heavy metal sensors. 

    Bonsen, E.; Robertson, Peter K. J.; McStay, Daniel; Pollard, Pat; Backes, M.; Shaw, J. (Taylor & Francis, 1999)
    BONSEN, E. M., ROBERTSON, P. K. J., MCSTAY, D., POLLARD, P., BACKES, M. and SHAW, J., 1999. The use of carbon and gold electrodes in anodic stripping voltammetric heavy metal sensors. In : N. M. WHITE and A. T. AUGOUSTI, eds. Sensors and their Applications X: Proceedings of the 10th Conference on Sensors and their Applications, held in Cardiff, Wales, 5-8 September 1999. New York: Taylor and Francis. Pp. 83-88.
    The use of anodic stripping voltammetry (ASV)has been proven in the past to be a precise and sensitive analytical method with an excellent limit of detection. Electrochemical sensors could help to avoid expensive and time ...
  • Waste to want: polymer nanocomposites using nanoclays extracted from oil based drilling mud waste. 

    Adegbotolu, Urenna V.; Njuguna, James; Pollard, Pat; Yates, Kyari (IOP Publishing., 2014)
    ADEGBOTOLU, U. V., NJUGUNA, J., POLLARD, P. and YATES, K., 2014. Waste to want: polymer nanocomposites using nanoclays extracted from oil based drilling mud waste. IOP Conference Series: Materials Science and Engineering, 64, pp. 012023.
    Due to the European Union (EU) waste frame work directive (WFD), legislations have been endorsed in EU member states such as UK for the Recycling of wastes with a vision to prevent and reduce landfilling of waste. Spent ...