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- Algal toxins -- Toxicology -- Mass spectrometry | Toxic algae -- Toxicology | Toxins -- Physiological effect | Paralytic shellfish poisoning | Poisonous fishes -- Toxicology | Marine toxins -- Mass spectrometry | Mass spectrometry (1)
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Articles 1 - 12 of 12
Full-Text Articles in Physical Sciences and Mathematics
Revising And Unifying The Use Case Textual And Graphical Worlds, Pierre Metz
Revising And Unifying The Use Case Textual And Graphical Worlds, Pierre Metz
Theses
This thesis traces the evolution of use cases and use case relationships from the initial suggestion by Jacobson et al. in OOSE until today. This tracing reveals that there are two distinct streams of development, as referred in this thesis to as the “textual world” and the “graphical world”: the textual world being literature concentrating on textual use case properties, i.e. use case writing techniques and use case templates. The second stream that has been developed in parallel with the use case template progression is UML, i.e. Unified Modeling Language, which defines the standard for the use case diagram notation …
Gmpac - The Generic Message Processing And Communications Framework, Eoin Barry
Gmpac - The Generic Message Processing And Communications Framework, Eoin Barry
Theses
The Generic Message Processing and Communications Framework (GMPAC), is an extensible, communications architecture, which is concerned processing various message types. The GMPAC framework is designed around the java NIO API. It receives in various messages over a socket, decomposes them and extracts the payload. It then passes a message back to the sender in the same format as the received message. GMPAC uses xml files to define message formats, and decodes and decodes the messages using information contained in these definitions. This project was developed for Altobridge Tralee, meeting a set of requirements set out by them. This report provides …
Building A Declarative Workflow Engine, Patrick Rushe
Building A Declarative Workflow Engine, Patrick Rushe
Theses
In the last two decades, technology has become available that not only allows certain activities of a business process to be automated, but also allows a business process itself to be automatically managed. A Workflow Management System assigns the work, passes it on, and tracks its progress. This technology is called Workflow. Workflow is the automation and formal management of a business process.
Many commercial and open-source Workflow Management Systems are available. However, the cost and technical difficulty in implementing either can be excessively high. The primary contribution of this work is to prove that building a workflow engine is …
Elucidation Of The Mass Spectral Fragmentation Pathways Of Cyclic Hepatopeptides Microcystins, Paloma Muniz Ortea
Elucidation Of The Mass Spectral Fragmentation Pathways Of Cyclic Hepatopeptides Microcystins, Paloma Muniz Ortea
Theses
The most frequently found cyanobacterial toxins in blooms from fresh and brackish waters are the cyclic peptide microcystins (MCs) and nodularin family. These toxins cause fatal poisonings of agricultural livestock, wild animals, birds and fish on a worldwide basis. The involvement of these toxins in human health problems has also been inferred in several countries and their presence in drinking water sources is of interest to the drinking water industry.
One of the biggest problems in the analysis of MCs is the lack of commercially available standards to be used for the identification and characterisation of these cyanobacterial toxins. One …
A Case For Constructivism In Workplace Education : Substantiated With The Design, Development, Implementation And Evaluation Of A Collaborative And Resource-Based Web Learning Environment, Carmel Burke
Theses
This thesis addresses the role of constructivism in workplace education, where organisations are currently going through a time of great change. The study starts with questioning the suitability of information and communication technology in current web based learning in the workplace. Organisations increasingly require professionals to possess knowledge in a dynamic way in order to deal with change and just-in-time demands. The research is firmly anchored in learning theories as they apply to workplace education and particularly as they apply to collaborative and resource-based web learning. An extensive literature review is produced in order to establish a theoretical starting point …
Numerical Modelling Of Sediments In Cork Harbour, Jérémy Pingon
Numerical Modelling Of Sediments In Cork Harbour, Jérémy Pingon
Theses
In recent years there have been considerable developments in the new and emerging field of hydroinformatics. This relatively new discipline is concerned with the application of computer and networking technology for the planning, management and protection of water bodies.
Environmental issues in estuaries require accurate and detailed knowledge of cohesive sediment transport processes to assess different issues including water quality, pollutant dispersion, and dredging and maintenance of navigation channels.
This thesis presents a review of the main sediment properties and processes required for modelling the behaviour and transport of sediments. It also introduces a new approach to sediment properties using …
Static Source Code Weaving : Overcoming The Challenges Of Aspect-Oriented Programming, Stephen Malone
Static Source Code Weaving : Overcoming The Challenges Of Aspect-Oriented Programming, Stephen Malone
Theses
Aspect-Oriented Programming (AOP) is a relatively new programming paradigm, which promises to allow developers to express cross-cutting concerns independently of their application to the primary core concerns of a system. This promises to allow developers the freedom to reason about both the cross-cutting concerns of a system as well as its primary concerns. In allowing for the expression of cross-cutting concerns AOP is extremely powerful; significant benefits have been found such as the ability to reason about cross-cutting concerns, and in some cases dramatic reductions in the number of lines of code required to implement crosscutting behaviour. These benefits however …
To Develop A Process For The Fabrication Of Thin Film Copper Rf Coils On Glass By Sputter Deposition., Eleanor Maria Baldwin
To Develop A Process For The Fabrication Of Thin Film Copper Rf Coils On Glass By Sputter Deposition., Eleanor Maria Baldwin
Theses
A fabrication process was developed to produce thin film probe coils for use in high resolution NMR spectroscopy. Sputter deposited thin film copper coils in the micron range were investigated as a potential replacement for the traditional 1mm diameter copper wire coils currently used.
In NMR spectroscopy higher resolution may be achieved by employing higher field strength magnets which increases the intensity of the inherently weak NMR signal. A reduction in the mass of the copper probe coil through thin film deposition was anticipated to reduce the disturbance to the homogeneity of the magnetic field at higher field strengths. This …
Radio Resource Management For Cellular Wireless Local Area Networks., Olivia Brickley
Radio Resource Management For Cellular Wireless Local Area Networks., Olivia Brickley
Theses
The growing demand for mobile computing worldwide has led to the increasing deployment and use of Wireless Local Area Networks (WLANs) in the last number of years. During this time, user requirements have evolved, resulting in a more diverse mix of services being carried over the wireless medium. In particular, delay sensitive real-time applications such as streaming multimedia and voice over IP are growing in importance. The widely accepted IEEE 802.11b standard, however, was not designed with sufficient Quality of Service (QoS) constraints for such applications. A new draft of the standard named 802.1 le has been proposed that deals …
Exploring Marine Biotoxins Using Analytical Techniques Based On Mass Spectrometry, Mónica Fernández Amandi
Exploring Marine Biotoxins Using Analytical Techniques Based On Mass Spectrometry, Mónica Fernández Amandi
Theses
The impact of phycotoxins on human and animal health is of important concern for worldwide authorities and the scientific community. Domoic acid (DA) is a neurotoxin produced by phytoplankton {Pseudonitzchia spp.). It enters the food chain through the consumption of shellfish that feed on toxic diatoms. DA has been responsible for several outbreaks affecting humans and animals all around the world. Yessotoxin (YTX) is produced by dinoflagellate species {Protoceratiuni reticulatum) which are globally distributed. Its toxicity is low when ingested orally. However, the co-extraction of YTX with diarrhetic shellfish poisoning (DSP) toxins, derives false positives when the mouse bioassay is …
Analytical And Synthetic Methods For Anatoxins., Janet Crowley
Analytical And Synthetic Methods For Anatoxins., Janet Crowley
Theses
This thesis is focused on the potent cyanobacterial neurotoxins anatoxin-a (AN), its methyl analogue homoanatoxin-a (HMAN) and their non-toxic dihydro- and epoxydegradation products. In commencing the investigation into this area a literature review was performed in order to identify areas where more research and method development was required (Chapter 1). The review highlighted the fact that although a number of analytical methods had been developed for the analysis of AN, there were few methods for the determination of its potent homologue HMAN and their non-toxic degradation products. As these neurotoxins degrade quickly it is important to monitor their degradation products, …
The Pedagogical And Practical Issues Of Using Ict In Post-Primary Schools, Kay O'Sullivan Mc Carty
The Pedagogical And Practical Issues Of Using Ict In Post-Primary Schools, Kay O'Sullivan Mc Carty
Theses
This study was an investigation into some of the pedagogical and practical issues that need to be considered when using ICT, with particular reference to post-primary schools. This investigation was prompted by the introduction of broadband into Irish schools in the next twelve months. Resources need to be developed that are subject specific and relevant to the Irish curriculum. The principle learning theories were examined and their pedagogical implications for post-primary teachers were discussed. The definition of learning styles was explored, different measurements were looked at and several internet based inventories were examined. The VARK questionnaire was administered to a …