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Unihi: An Entry Gate To The Human Protein Interactome, Gautam Chaurasia, Yasir Iqbal, Christian Hänig, Hanspeter Herzel, Erich E. Wanker, Matthias E. Futschik Jan 2007

Unihi: An Entry Gate To The Human Protein Interactome, Gautam Chaurasia, Yasir Iqbal, Christian Hänig, Hanspeter Herzel, Erich E. Wanker, Matthias E. Futschik

School of Biomedical Sciences

No abstract provided.

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Ecological Impact Of The Carcinus Maenas (L.) Fishery 'Crab-Tiling' On Estuarine Fauna, Emma Sheehan Jan 2007

Ecological Impact Of The Carcinus Maenas (L.) Fishery 'Crab-Tiling' On Estuarine Fauna, Emma Sheehan

School of Biological and Marine Sciences Theses

The ecological effects of the green shore crab Carcinus maenas (L.) fishery was investigated in estuaries on the south west coast of the UK. The fishery known as 'crab-tiling' involves 'crab-tilers' laying artificial refugia such as car tyres, guttering or roof tiles, intertidally in estuaries. 'Crab-tiles' are specifically laid on mudflats and sandflats to attract moutling crabs seeking refuge, these crabs are then collected to use or sell as bait for recreational angling. Many estuaries that are crab-tiled are subject to a range of International, European and National legislation as they are of great conservation importance. For example, they provide …

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The Distribution Of Phylogenetic Diversity Of Mammals In Mexico And Its Implications For Conservation, Ena Edith Mata Zayas Jan 2007

The Distribution Of Phylogenetic Diversity Of Mammals In Mexico And Its Implications For Conservation, Ena Edith Mata Zayas

School of Biological and Marine Sciences Theses

The current rate of biodiversity loss has stimulated studies aimed at identifying areas of concentration of biodiversity where conservation efforts can be targeted. Phylogeny has become an important element in conservation either to preserve areas of high phylogenetic diversity (and therefore evolutionary history) or to identify species attributes that make them prone to become endangered or at risk of extinction. This dissertation dealt with the quantification of phylogenetic diversity of Mexican mammals, its geographic distribution, and its correlation with both the life history attributes of the species and selected characteristics of the environment. In order to do this, I had …

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Characterisation Of Grain Quality Of Syrian Durum Wheat Genotypes Affecting Milling Performance And End-Use Quality, Jihad Samaan Jan 2007

Characterisation Of Grain Quality Of Syrian Durum Wheat Genotypes Affecting Milling Performance And End-Use Quality, Jihad Samaan

School of Biological and Marine Sciences Theses

Durum wheat is a strategic crop in Syria produced in high quantities and used mainly for the production of Arabic bread, bulgur and pasta. This investigation is the first known systematic study relating the grain quality of nine domestic cultivars to milling performance and pasta quality in order to map the Syrian durum wheat characteristics onto the world market requirements and hence determine the potential export development. Furthermore, it examines the influence of environment, genotype and their interaction on the physiochemical characteristics of five durum wheat cultivars grown in five different locations under rainfed and irrigated conditions in Syria. AACC …

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Epidemiology Of Human And Bovine Tuberculosis In The Federal Capital Territory And Kaduna State Of Nigeria, Aishatu Abubakar Jan 2007

Epidemiology Of Human And Bovine Tuberculosis In The Federal Capital Territory And Kaduna State Of Nigeria, Aishatu Abubakar

School of Biological and Marine Sciences Theses

The epidemiology of bovine and human tuberculosis (TB) was studied in the Federal Capital Territory and Kaduna state of Nigeria using four diagnostic methods; tuberculin test, culture and acid-fast stain of milk, animal (cattle) tissue and human sputum. Two PCR-based molecular techniques (Spoligotyping and Variable Number Tandem Repeat) were used to identify the species and strains of the isolates, while IS61 10-RFLP molecular method was optimised and applied on few samples to deten-nine the efficacy of the method. Of the 967 lactating cows from 57 herds tested for TB, 14.6%, 4% and 81.4% were positive, inconclusive and negative reactors respectively. …

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Nutritional Evaluation Of Animal By-Products For The Partial Replacement Of Fishmeal In Diets For Gilthead Sea Bream (Sparus Aurata L.), Jerome Laporte Jan 2007

Nutritional Evaluation Of Animal By-Products For The Partial Replacement Of Fishmeal In Diets For Gilthead Sea Bream (Sparus Aurata L.), Jerome Laporte

School of Biological and Marine Sciences Theses

As well as reducing the level of protein in feeds, the strategy of replacing fishmeal with alternative protein sources may be an effective approach towards reducing costs and offering more sustainable feeds for aquaculture. Within the framework of this study, four trials were conducted to evaluate the nutritional potential of selected animal by-products, namely: Poultry Meat Meal (PMM), steam Hydrolysed Feather Meal (HFM), Enzyme treated Feather Meal (EFM) and Spray Dried Haemoglobin (SDH), as pat1ial substitutes for fishmeal in the diet of gilthead sea bream. The research strategy employed followed a two phase scheme which consisted of determining ingredient restrictions …

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Axon And Dendrite Geography Predict The Specificity Of Synaptic Connections In A Functioning Spinal Cord Network, Wc Li, T Cooke, B Sautois, Et Al Jan 2007

Axon And Dendrite Geography Predict The Specificity Of Synaptic Connections In A Functioning Spinal Cord Network, Wc Li, T Cooke, B Sautois, Et Al

School of Engineering, Computing and Mathematics

Background: How specific are the synaptic connections formed as neuronal networks develop and can simple rules account for the formation of functioning circuits? These questions are assessed in the spinal circuits controlling swimming in hatchling frog tadpoles. This is possible because detailed information is now available on the identity and synaptic connections of the main types of neuron. Results: The probabilities of synapses between 7 types of identified spinal neuron were measured directly by making electrical recordings from 500 pairs of neurons. For the same neuron types, the dorso-ventral distributions of axons and dendrites were measured and then used to …

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An Intelligent Navigation System For An Unmanned Surface Vehicle, Tao Xu Jan 2007

An Intelligent Navigation System For An Unmanned Surface Vehicle, Tao Xu

School of Engineering, Computing and Mathematics Theses

A multi-disciplinary research project has been carried out at the University of Plymouth to design and develop an Unmanned Surface Vehicle (USV) named ýpringer. The work presented herein relates to formulation of a robust, reliable, accurate and adaptable navigation system to enable opringei to undertake various environmental monitoring tasks. Synergistically, sensor mathematical modelling, fuzzy logic, Multi-Sensor Data Fusion (MSDF), Multi-Model Adaptive Estimation (MMAE), fault adaptive data acquisition and an user interface system are combined to enhance the robustness and fault tolerance of the onboard navigation system. This thesis not only provides a holistic framework but also a concourse of computational …

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Evolution Of Prehension Ability In An Anthropomorphic Neurorobotic Arm, G Massera Jan 2007

Evolution Of Prehension Ability In An Anthropomorphic Neurorobotic Arm, G Massera

School of Engineering, Computing and Mathematics

In this paper, we show how a simulated anthropomorphic robotic arm controlled by an artificial neural network can develop effective reaching and grasping behaviour through a trial and error process in which the free parameters encode the control rules which regulate the fine-grained interaction between the robot and the environment and variations of the free parameters are retained or discarded on the basis of their effects at the level of the global behaviour exhibited by the robot situated in the environment. The obtained results demonstrate how the proposed methodology allows the robot to produce effective behaviours thanks to its ability …

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Bend It Like Beckham: Embodying The Motor Skills Of Famous Athletes, P Bach, Sp Tipper Dec 2006

Bend It Like Beckham: Embodying The Motor Skills Of Famous Athletes, P Bach, Sp Tipper

School of Psychology

Observing an action activates the same representations as does the actual performance of the action. Here we show for the first time that the action system can also be activated in the complete absence of action perception. When the participants had to identify the faces of famous athletes, the responses were influenced by their similarity to the motor skills of the athletes. Thus, the motor skills of the viewed athletes were retrieved automatically during person identification and had a direct influence on the action system of the observer. However, our results also indicated that motor behaviours that are implicit characteristics …

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The Fading Of Reported Effectiveness. A Meta-Analysis Of Randomised Controlled Trials, Bt Gehr, C Weiss, F Porzsolt Dec 2006

The Fading Of Reported Effectiveness. A Meta-Analysis Of Randomised Controlled Trials, Bt Gehr, C Weiss, F Porzsolt

More Faculty of Health Research

Abstract Background The "real" effect size of a medical therapy is constant over time. In contrast, the effect size reported in randomised controlled trials (RCTs) may change over time because the sum of all kinds of bias influencing the reported effectiveness is not necessarily constant. As this would affect the validity of meta-analyses, we tested the hypothesis that the reported effect size decreases over time. Furthermore, we tested three hypotheses that would explain a possible change. Methods Because of well established outcome measures, the lipid-lowering drugs Pravastatin and Atorvastatin (serum low-density lipoprotein cholesterol, LDL-C) and the anti-glaucoma drugs Timolol and …

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Mechanisms Of Larval Transport: Vertical Distribution Of Bivalve Larvae Varies With Tidal Conditions, Am Knights, Tp Crowe, G Burnell Nov 2006

Mechanisms Of Larval Transport: Vertical Distribution Of Bivalve Larvae Varies With Tidal Conditions, Am Knights, Tp Crowe, G Burnell

School of Biological and Marine Sciences

Larval transport is a key process in the life-history and population dynamics of many marine species. It is strongly influenced by ocean currents, but the influence of behavioural traits of larvae (e.g. vertical migration) on their advective dispersal is poorly understood. In the absence of field data, predictions of population connectivity are often based on hydrodynamic models and assume that larvae behave as passive particles. Variations in the vertical distribution of early and late stage larvae of Mytilus spp. were investigated in a field study in the Irish Sea, collecting discrete water samples by Niskin sampler at a range of …

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Evidence Of Multimodal Structure Of The Baroclinic Tide In The Strait Of Gibraltar, A. Vázquez, N. Stashchuk, V. Vlasenko, M. Bruno, A. Izquierdo, P. C. Gallacher Sep 2006

Evidence Of Multimodal Structure Of The Baroclinic Tide In The Strait Of Gibraltar, A. Vázquez, N. Stashchuk, V. Vlasenko, M. Bruno, A. Izquierdo, P. C. Gallacher

School of Biological and Marine Sciences

The multimodal structure of the baroclinic tides in the Strait of Gibraltar is studied using observations and numerical simulations. Observational data and model results revealed the presence of two types of tidal internal waves generated over Camarinal Sill (CS). One propagates toward the Mediterranean and disintegrates into series of nonlinear short internal waves with amplitudes of 50 m and more. The second type, behind the first, propagates slower and has a longer wavelength. The vertical structure with both upward and downward displacements of isopycnals can be identified as a manifestation of higher baroclinic modes. Analysis of the empirical orthogonal functions …

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Marine Ecology. Process, Systems, And Impacts, J Hall-Spencer Jun 2006

Marine Ecology. Process, Systems, And Impacts, J Hall-Spencer

School of Biological and Marine Sciences

No abstract provided.

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Report Of The Working Group On Deep-Water Ecology (Wgdec), 4-7 December 2005, Miami, Usa., Jm Hall-Spencer, M Tasker Feb 2006

Report Of The Working Group On Deep-Water Ecology (Wgdec), 4-7 December 2005, Miami, Usa., Jm Hall-Spencer, M Tasker

School of Biological and Marine Sciences

No abstract provided.

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Up-Regulation Of The Notch Ligand Delta-Like 4 Inhibits Vegf-Induced Endothelial Cell Function, Ck Williams, J-L Li, M Murga, Al Harris, G Tosato Feb 2006

Up-Regulation Of The Notch Ligand Delta-Like 4 Inhibits Vegf-Induced Endothelial Cell Function, Ck Williams, J-L Li, M Murga, Al Harris, G Tosato

School of Biomedical Sciences

Delta-like 4 (Dll4), a membrane-bound ligand for Notch1 and Notch4, is selectively expressed in the developing endothelium and in some tumor endothelium, and it is induced by vascular endothelial growth factor (VEGF)-A and hypoxia. Gene targeting studies have shown that Dll4 is required for normal embryonic vascular remodeling, but the mechanisms underlying Dll4 regulatory functions are currently not defined. In this study, we generated primary human endothelial cells that overexpress Dll4 protein to study Dll4 function and mechanism of action. Human umbilical vein endothelial cells retrovirally transduced with Dll4 displayed reduced proliferative and migratory responses selectively to VEGF-A. Expression of …

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Improving Abiotic Stress Resistance In Cauliflower (Brassica Oleracea Var. Botrytis L.) By Mutagenesis And Agrobacterium Mediated Transformation, Ehab Mohamed Rabei Metwali Gharieb Jan 2006

Improving Abiotic Stress Resistance In Cauliflower (Brassica Oleracea Var. Botrytis L.) By Mutagenesis And Agrobacterium Mediated Transformation, Ehab Mohamed Rabei Metwali Gharieb

School of Biological and Marine Sciences Theses

Abiotic environmental stress such as drought, salinity and low temperature are common conditions that adversely affect plant growth and crop production. Breeding for crop resistance to abiotic stress is difficult due to its multigenic nature. An alternative approach is through DNA mutation and DNA transfer. These approaches were employed and tested in this research and comparison between them was carried out. NEU and NMU induced mutant lines and control plants were sub-cultured many times on maintenance medium and stored at 5°c for 2 years and then tested for salt and hydroxyproline resistance as in-vitro and in-vivo plants and proline content …

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The Effect Of Pre-Weaning Feeding Behaviour On Post-Weaning Feeding Behaviour In Pigs Weaned At 3, 4 And 5 Weeks Of Age, Christos Antonios Tsourgiannis Jan 2006

The Effect Of Pre-Weaning Feeding Behaviour On Post-Weaning Feeding Behaviour In Pigs Weaned At 3, 4 And 5 Weeks Of Age, Christos Antonios Tsourgiannis

School of Biological and Marine Sciences Theses

A program of study was undertaken to asses the effect of pre-weaning feeding behaviour on post-weaning feeding behaviour in pigs weaned at various ages (3, 4 and 5 weeks of age) and to identify ways of increasing their post-weaning feed intake. The studies were constructed using time extensive continuous recording methods in order to monitor the 'true' behaviour unbiased by sampling errors. Piglets weaned at 3 weeks of age had the ability to grow faster and became significantly heavier at six weeks of age (3W: 12.S06 ± 0.629 kg) than piglets that had to extent their stay for one (4W: …

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The Future Of Student Grouping Systems In Science 14-16., Stephen Rowcliffe Jan 2006

The Future Of Student Grouping Systems In Science 14-16., Stephen Rowcliffe

School of Law, Humanities and Social Sciences

Ability grouping is a contentious issue in high school science education, and one that divides teachers,parents, and policymakers alike. However, it may be that current grouping systems are founded on ideasthat are failing to provide for the best interests of students at any ability level. This article aims to reviewcurrent practice and its effects on student and teacher outcomes, and suggest a new direction for studentgrouping polices based on the ideal of “science for all” through curriculum reform and choice-basedmodular course systems. The article is based largely on the British education system.

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Managing Fisheries Resources In Kaptai Reservoir, Bangladesh, Kku Ahmed, S Rahman, Su Ahammed Jan 2006

Managing Fisheries Resources In Kaptai Reservoir, Bangladesh, Kku Ahmed, S Rahman, Su Ahammed

School of Geography, Earth and Environmental Sciences

This paper examines the various challenges facing the development of fisheries resources in Kaptai reservoir, Bangladesh. The reservoir has undergone major changes in its catch composition since impoundment. Production records show a declining trend in the productivity of high-value fish. A host of managerial, socioeconomic and environmental factors are responsible for the underutilization of the reservoir's potential to provide high-value freshwater fish. These include deterioration of the natural breeding ground, environmental damage, poor implementation of regulations, inefficient fish farming technology and poor management practices. These constraints are discussed and possibilities for future improvements are suggested.

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Characterisation Of Algal Derived Organic Nitrogen, Phillippa Kate Curtis-Jackson Jan 2006

Characterisation Of Algal Derived Organic Nitrogen, Phillippa Kate Curtis-Jackson

School of Geography, Earth and Environmental Sciences Theses

The molecular level characterisation of compounds comprising the dissolved organic nitrogen (DON) pool is an important task for chemical oceanographers wishing to understand its role in the marine N cycle. Low DON concentrations, problems with saline matrices and a lack of pre-concentration methods have all contributed to DON being ignored and disregarded, until recently. Sub units of DON have been analysed as bulk parameters within which the low molecular weight (LMW; < 1,500 Da) fraction has been proposed to drive regenerated production within the oceans. The largest producers of these compounds are phytoplankton. Dissolved combined amino acids (DCAAs) are proposed to be the largest identifiable component of the LMW fraction. Peptides were chosen as the starting point for this study on DON characterisation, due to their unrivalled detection when analysed via liquid chromatography/ mass spectrometry (LC/MS). A method was developed for the characterisation of low molecular weight peptides, released either actively or passively from the axenically-cultured phytoplankton Phaeodactylum tricornutum. Methods for the separation (high performance liquid chromatography; HPLC), detection (mass spectrometric; MS), de-salination and pre-concentration (solid phase extraction; SPE), of analytes present in the culture water sampled during the period of maximum DON, were developed. The successful chromatographic separation of LMW peptides was achieved using a Phenomenex® Gemini Gig column in conjunction with mobile phases of acidified MeOH and water. The SPE method was developed on a Hamilton PRP-1 column containing a polystyrene divinylbenzene stationary phase (PSDVB). During the extraction process the increased hydrophobicity of the PS-DVB phase was predicted to yield increased recoveries of peptides, when compared to analogous d g phase cartridges. The method was transferred to extraction cartridges (500 mg, StrataX). Further investigations were then carried out into the affects of salt and dissolved organic matter on the extraction process. Samples were prepared by applying the extraction method to 1 L supernatants of culture water samples. The HPLC protocol was used to separate the components of the complex sample prior to data acquisition in both full MS mode and in the data dependent mode (DDMS). Mass spectra and chromatograms of ions unique to the cultured waters were identified. Further instrument manipulation allowed interfering ions to be diverted away from the mass analyser and consequently multistage mass spectrometry (MS²) to be carried out on unique ions that exceeded the threshold intensity of 1 x 105. Unique ions identified in the axenic cultures were two amino acids TYR and a modified structure isomerically/isobarically related to TYR. Seven peptides were partially sequenced. These were H-(VAL, THR, Xxx)-OH, H-(GLN/LYS, ALA, ASN, Xxx)-OH, H-(ASN, ALA, GLU, Xxx)-OH, H-(VAL, GLU, Xxx)-OH, H-(SER, HIS, Xxx)-OH, H- (PRO, XLE,HIS, GLN/LYS, GLY, Xxx)-OH and H-(Xxx, XLE, GLN/LYS, XLE, GLU)- OH. One whole peptide was tentatively proposed as H-TRP-PHE-OH. A significant loss of data was observed between the unique peptide ions identified in the MS analysis and the ions that underwent CID during the DDMS analysis, because they were below the threshold ion count or co-eluted with a more dominant ion. The method development carried out through this study has enabled the successful analysis of samples previously considered incompatible with LC/MS instrumentation. The method can be applied to all aquatic environment samples for both contaminant removal and preconcentration requirements and can be seen as an initial step from which many different avenues of future work may be explored.

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Understanding Of The Variability Of Phytoplankton Ecosystem Function Properties: A Synergistic Use Of Remote Sensing And In Situ Data, Dionysios Raitsos-Exarchopoulos Jan 2006

Understanding Of The Variability Of Phytoplankton Ecosystem Function Properties: A Synergistic Use Of Remote Sensing And In Situ Data, Dionysios Raitsos-Exarchopoulos

School of Geography, Earth and Environmental Sciences Theses

The majority of the earth's surface (-71%) is covered by the aquatic environment where 97% of that is the oceanic regime. Almost every part of the aquatic regime is dominated by microscopic plants called phytoplankton. Being at the bottom of the food chain, these ecological drivers influence the earth's climate system as well as the biodiversity trends of other organisms such as zooplankton, fish, sea birds and marine mammals. The aim of this research was to understand the ecology of phytoplankton and assess which environmental, physical, biological, and spatiotemporal factors influence their distribution and abundance. Using this information a knowledge-based …

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Enhanced Soil Structuring Beneath White Clover And Its Impact On Nutrient Transport, Deborah Anne Lydia Holtham Jan 2006

Enhanced Soil Structuring Beneath White Clover And Its Impact On Nutrient Transport, Deborah Anne Lydia Holtham

School of Geography, Earth and Environmental Sciences Theses

Previous work at IGER has revealed that soil structural differentiation under white clover is phenomenally rapid and enhanced when compared with ryegrass. White clover is one of the most nutritious and widely distributed forage legumes. Its use is advocated in sustainable systems of livestock production because of its ability to acquire atmospheric N through biological fixation in the root nodules. It thus provides an economically viable alternative to the N-demanding conventional system, and a possible solution to reduce the environmental impacts of nitrate leaching from agricultural land. There are, however, potentially negative impacts associated with improving soil aggregation through the …

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Flow Injection Techniques For Investigating The Biogeochemistry Of Nutrients In Natural Waters, Omaka Ndukaku Omaka Jan 2006

Flow Injection Techniques For Investigating The Biogeochemistry Of Nutrients In Natural Waters, Omaka Ndukaku Omaka

School of Geography, Earth and Environmental Sciences Theses

This thesis describes the development of robust flow injection (FI) techniques for the determination of nutrients, with a focus on phosphorus species, in natural waters. Chapter one presents a general overview of nutrients (P, N and Si) and their aquatic biogeochemistry and analytical methods for nutrient determinations in natural waters. Chapter Two reports a four channel Fl manifold incorporating a thiosulphate stream for on-line masking of arsenate, which is potentially a major interferent in the determination of low concentrations of phosphate in natural waters. The method is suitable for the determination of filterable reactive phosphorus (FRP) in anthropogenically impacted waters …

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Foraminiferal And Stable Isotope Investigation Of The Cenomanian-Turonian Extinction And Oceanic Anoxic Event, Jodie Fisher Jan 2006

Foraminiferal And Stable Isotope Investigation Of The Cenomanian-Turonian Extinction And Oceanic Anoxic Event, Jodie Fisher

School of Geography, Earth and Environmental Sciences Theses

The Cretaceous was a time of significant global change, particularly around the Cenomanian-Turonian Boundary (CTB) (93.5 Ma). The mid-Cretaceous is considered to mark a period of intense global warming related to widespread tectonic activity, leading to periods of high sea level and no polar ice. This had great effects on the ocean's structure, chemistry and circulation, and led to both extinction and diversification of biota. At the time of the CTB a number of events occurred. Particularly well researched is the oceanic anoxic event (OAE 2) and the organic-rich black shales deposited during this interval. Associated with these organic-rich sediments …

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Irish Sea : A Socio-Ecological System, Karen Bowler Jan 2006

Irish Sea : A Socio-Ecological System, Karen Bowler

School of Geography, Earth and Environmental Sciences Theses

Recent research has highlighted the need to look beyond the coastal zone and adopt an ecosystem-based approach to sustainable use and conservation in marine management. At the same time there has been a growing recognition that ecosystem management involves coupled, complex socio-ecological systems which are inherently unpredictable due to the non-linear nature of their construction. The diverse social activities and natural processes involved in such an approach requires the inclusion of multiple disciplines which presently have very limited dialogues. It is apparent that there is an urgent need for new, interdisciplinary, methods with which to address management holistically and under …

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Monitoring Peatland Damage And Restoration Using Testate Amoebae As Indicator Organisms, Emma Jane Vickery Jan 2006

Monitoring Peatland Damage And Restoration Using Testate Amoebae As Indicator Organisms, Emma Jane Vickery

School of Geography, Earth and Environmental Sciences Theses

This thesis has examined the response of testate amoebae communities to restoration at three peatland sites in the UK. It builds upon the use of testate amoebae analysis as a palaeoenvironmental tool by exploring the hypothesis that testate amoebae respond to hydrological conditions in restored mires. Previous research has found that testate amoebae act as good proxies for hydrological condition of intact mires and past conditions but little has been done on their reaction to conditions at damaged sites in the UK. The research aimed to further the understanding of testate amoebae ecology including seasonal variability of communities, a poorly …

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Automatism And Art Practice, Anne Martin Jan 2006

Automatism And Art Practice, Anne Martin

Other Faculty of Arts, Humanities and Business Theses

The research project is to develop an understanding of the use of automatism in the practice of art derived from an interrelationship between the material process of art and critical text. As these practices converge in their vocabularies of the psychic and the somatic, they formulate a discourse of interpretation. The critical textual inquiry has identified an expanded language of interpretation for automatism within the vocabularies of three particular areas of investigation in, I. Psychoanalysis, 2. Phenomenology and certain currents of thought in Existentialism, and in 3. The theory and criticism of art. I have laid down an account of …

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Non-Intrusive Subscriber Authentication For Next Generation Mobile Communication Systems, Philip Maurice Rodwell Jan 2006

Non-Intrusive Subscriber Authentication For Next Generation Mobile Communication Systems, Philip Maurice Rodwell

School of Engineering, Computing and Mathematics Theses

The last decade has witnessed massive growth in both the technological development, and the consumer adoption of mobile devices such as mobile handsets and PDAs. The recent introduction of wideband mobile networks has enabled the deployment of new services with access to traditionally well protected personal data, such as banking details or medical records. Secure user access to this data has however remained a function of the mobile device's authentication system, which is only protected from masquerade abuse by the traditional PIN, originally designed to protect against telephony abuse. This thesis presents novel research in relation to advanced subscriber authentication …

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Interactive Technologies For The Public Sphere Toward A Theory Of Critical Creative Technology, Pamela Lynnette Jennings Jan 2006

Interactive Technologies For The Public Sphere Toward A Theory Of Critical Creative Technology, Pamela Lynnette Jennings

School of Engineering, Computing and Mathematics Theses

Digital media cultural practices continue to address the social, cultural and aesthetic contexts of the global information economy, perhaps better called ecology, by inventing new methods and genres that encourage interactive engagement, collaboration, exploration and learning. The theoretical framework for creative critical technology evolved from the confluence of the arts, human computer interaction, and critical theories of technology. Molding this nascent theoretical framework from these seemingly disparate disciplines was a reflexive process where the influence of each component on each other spiraled into the theory and practice as illustrated through the Constructed Narratives project. Research that evolves from an arts …

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