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Articles 21391 - 21420 of 22475
Full-Text Articles in Entire DC Network
Green In Action, Nancy Steele Brokaw '71
Green In Action, Nancy Steele Brokaw '71
Illinois Wesleyan University Magazine, 2002-2017
In ways large and small, the University strives toward environmental sustainability.
The Student Perspective: Can The Use Of Technologies Transform Learning?, Eileen O'Donnell
The Student Perspective: Can The Use Of Technologies Transform Learning?, Eileen O'Donnell
Books/Book Chapters
This chapter explores students’ perspectives on the transformations that the use of technology has brought to higher education. The use of technologies in higher education facilitates flexible learning environments but the benefits to students who engage with these technologies will only be realised if the design is pedagogically sound. The pedagogic approach employed by lecturers when designing their e-learning platforms or learning management systems has the capability to transform learning. The author’s discipline is Information Technology and Business Information Systems; from experience and case studies there is ample evidence to suggest that the use of technology does not always necessarily …
Students’ Perceptions Of Audio Feedback: An Examination Of Individual Differences, Daire Hooper
Students’ Perceptions Of Audio Feedback: An Examination Of Individual Differences, Daire Hooper
Conference Papers
No abstract provided.
Towards An Understanding Of Students’ Use Of Audio Feedback: An Exploratory Study, Daire Hooper
Towards An Understanding Of Students’ Use Of Audio Feedback: An Exploratory Study, Daire Hooper
Conference Papers
iCERi2010, Madrid, Spain.
Internet Marketing For Profit Organizations: A Framework For The Implementation Of Strategic Internet Marketing, Felix Rimbach
Internet Marketing For Profit Organizations: A Framework For The Implementation Of Strategic Internet Marketing, Felix Rimbach
School of Engineering, Computing and Mathematics Theses
The development of the Internet has significantly changed the face of established markets and operation approaches across a tremendous spectrum of different industries. Within the competitive environment of those industries, the opportunities and risks derived from the new platform are so ubiquitous that unused opportunities quickly translate into potential risks. Those opportunities and risks demand for a structured approach how to implement a sustainable Internet marketing strategy that targets clear business objectives. Marketing and strategic management theory describes very clear structural principles towards their operational implementation. Based on those principles an extensive literature review has been conducted which confirms the …
Introduction To "Multiliteracies, Social Futures, And Writing Centers", Harry Denny
Introduction To "Multiliteracies, Social Futures, And Writing Centers", Harry Denny
The Writing Center Journal
No abstract provided.
Impaired Immune Tolerance To Porphyromonas Gingivalis Lipopolysaccharide Promotes Neutrophil Migration And Decreased Apoptosis., S Zaric, C Shelburne, R Darveau, Dj Quinn, S Weldon, Cc Taggart, Wa Coulter
Impaired Immune Tolerance To Porphyromonas Gingivalis Lipopolysaccharide Promotes Neutrophil Migration And Decreased Apoptosis., S Zaric, C Shelburne, R Darveau, Dj Quinn, S Weldon, Cc Taggart, Wa Coulter
Peninsula Dental School
Periodontitis, a chronic inflammatory disease of the tissues supporting the teeth, is characterized by an exaggerated host immune and inflammatory response to periopathogenic bacteria. Toll-like receptor activation, cytokine network induction, and accumulation of neutrophils at the site of inflammation are important in the host defense against infection. At the same time, induction of immune tolerance and the clearance of neutrophils from the site of infection are essential in the control of the immune response, resolution of inflammation, and prevention of tissue destruction. Using a human monocytic cell line, we demonstrate that Porphyromonas gingivalis lipopolysaccharide (LPS), which is a major etiological …
The Development Of A Semantic Model For The Interpretation Of Mathematics Including The Use Of Technology, Michael Peters
The Development Of A Semantic Model For The Interpretation Of Mathematics Including The Use Of Technology, Michael Peters
School of Engineering, Computing and Mathematics Theses
The semantic model developed in this research was in response to the difficulty a group of mathematics learners had with conventional mathematical language and their interpretation of mathematical constructs. In order to develop the model ideas from linguistics, psycholinguistics, cognitive psychology, formal languages and natural language processing were investigated. This investigation led to the identification of four main processes: the parsing process, syntactic processing, semantic processing and conceptual processing. The model showed the complex interdependency between these four processes and provided a theoretical framework in which the behaviour of the mathematics learner could be analysed. The model was then extended …
Forming Ireland's Industrial Development Authority, Paul Donnelly
Forming Ireland's Industrial Development Authority, Paul Donnelly
Books/Book Chapters
Tracing the creation and (re)production of Ireland’s Industrial Development Authority (IDA) through the lens of path dependence theory, the story charts the IDA’s creation within protectionism. In parallel with the gradual shift away from protection towards free trade, the story follows the IDA’s emergence as the state’s pre-eminent industrial development agency, its re-creation as a state-sponsored organisation and the growing political, institutional and monetary resources afforded it in return for delivery on objectives, largely in the shape of new job creation. However, the increasing reliance on foreign investment to meet targets, at the expense of indigenous industry, eventually surfaces as …
Institutionalizing Ireland’S Industrial Development Authority, Paul Donnelly
Institutionalizing Ireland’S Industrial Development Authority, Paul Donnelly
Conference papers
Actor-network theory is considered to have great potential for broadening and deepening our grasp of institutional work (Lawrence and Suddaby, 2006). Given its focus on process, ANT offers a means to breathe life into the practices associated with institutionalization. With Callon’s (1986) four moments of translation as analytical lens, and with Ireland’s Industrial Development Authority as empirical example, I seek to address the concerns in the call for papers to reconsider ‘the role of agency, power, persistence and change in the process of institutionalization.’
Prominence Driven Character Animation, Charlie Cullen, Paula Mcgloin, Anna Deegan, Evin Mccarthy
Prominence Driven Character Animation, Charlie Cullen, Paula Mcgloin, Anna Deegan, Evin Mccarthy
Conference papers
This paper details the development of a fully automated system for character animation implemented in Autodesk Maya. The system uses prioritised speech events to algorithmically generate head, body, arms and leg movements alongside eyeblinks, eyebrow movements and lip-synching. In addition, gaze tracking is also generated automatically relative to the definition of focus objects- contextually important objects in the character's worldview. The plugin uses an animation profile to store the relevant controllers and movements for a specific character, allowing any character to run with the system. Once a profile has been created, an audio file can be loaded and animated with …
Development Of A Moodle Vle Plug-In To Support Simultaneous Visualisation Of A Collection Of Multi-Media Sign Language Objects, Brian Nolan
Conference Papers
Using Virtual Learning Environments (VLE) to support blended learning is very common in educational institutes. Delivering learning material in a flexible and semi-structured manner to the learner transforms such systems into powerful eLearning tools. However, the presentation and visualisation of individual or multiple learning objects is mostly dictated by the system and cannot be altered easily. This paper reports on a project between Trinity College Dublin (TCD) and the Institute of Technology Blanchardstown (ITB) that aims to improve the simultaneous visualisation of multiple multimedia objects for deaf learners of ISL. The project was implemented using the Open Source VLE Moodle. …
Ultrasound-Assisted Swnts Dispersion: Effects Of Sonication Parameters And Solvent Properties, Qiaohuan Cheng, Sourabhi Debnath, Elizabeth Gregan, Hugh Byrne
Ultrasound-Assisted Swnts Dispersion: Effects Of Sonication Parameters And Solvent Properties, Qiaohuan Cheng, Sourabhi Debnath, Elizabeth Gregan, Hugh Byrne
Articles
Ultrasonication is widely used for preparing Single-Walled Carbon Nanotube (SWNT) dispersions in different solvent media and it has been shown to play a critical role in dispersing and debundling SWNTs. The strong shear force that can exfoliate the SWNT bundles during sonication comes from cavitation, which entails a process of bubble formation, growth, and collapse. The efficiency of the cavitation process is closely correlated to many solvent parameters, including vapor pressure, viscosity, and surface tension, as well as the sonication frequency, intensity, and time. In this study, SWNTs were dispersed in a range of organic solvents assisted by tip sonication. …
A Systematic Study Of The Dispersion Of Swnts In Organic Solvents, Qiaohuan Cheng, Sourabhi Debnath, Luke O'Neill, Theresa Hedderman, Elizabeth Gregan, Hugh Byrne
A Systematic Study Of The Dispersion Of Swnts In Organic Solvents, Qiaohuan Cheng, Sourabhi Debnath, Luke O'Neill, Theresa Hedderman, Elizabeth Gregan, Hugh Byrne
Articles
Dispersions of as-produced HiPco single-walled carbon nanotubes (SWNTs) in a series of organic solvents were prepared by dilution with the aid of tip sonication. Mild centrifugation (~ 945 g) was carried out to remove large bundles. Atomic force microscopy (AFM) studies revealed that the bundle size decreased as the dispersion was diluted. By measuring the UV-vis-NIR absorption before and after centrifugation as a function of the concentration, the dispersion limit of SWNTs in each solvent can be determined. Correlations between the dispersion limit and solvent solubility parameters, including the Hildebrand solubility parameter and three dimensional Hansen solubility parameters, are explored, …
Dear Students: Don't Let College Unplug Your Future, Gideon Burton
Dear Students: Don't Let College Unplug Your Future, Gideon Burton
Faculty Publications
I'm about to say something a college professor shouldn't say to his students, but I care about you a lot so I'm prepared to break the code and say what needs to be said: Your college experience is likely to set back your education, your career, and your creative potential. Ironically, this will be done in the name of education. You deserve to know about this! You have what it takes to reclaim, reform, and remix your education. Don't let college unplug your future!
Harmonizing Technology With Interaftion In Blended Problem-Based Learning, Roisin Donnelly
Harmonizing Technology With Interaftion In Blended Problem-Based Learning, Roisin Donnelly
Journal Articles
This paper discusses the harmonizing role of technology and interaction in a qualitative study on blended 22 problem-based learning within the context of academic development in higher education. Within this 23 setting, and as both designers and tutors in blended PBL, it is important to seek best practices for how 24 to combine instructional strategies in face-to-face and computer-mediated environments that take 25 advantage of the strengths of each and avoid their weaknesses. A qualitative study of the lived experi- 26 ences of 17 academic staff participants in a blended problem-based learning module was considered 27 likely to provide a …
Interaction Analysis In A ‘Learning By Doing’ Problem-Based Professional Development Context, Roisin Donnelly
Interaction Analysis In A ‘Learning By Doing’ Problem-Based Professional Development Context, Roisin Donnelly
Journal Articles
This paper explores the concept and practice of interaction within a blended problem-based learning (PBL) module for academic professional development in higher education. A qualitative study spanning two years of the lived experiences of 17 academic staff in a blended PBL module was considered likely to provide a much needed analysis of current thinking and practice on the potential of interaction. Relevant constructivist theories are applied to face-to-face PBL tutorials, online discussions, focus group interviews and reflective papers. For designers and tutors in blended PBL, it is important to seek best practices for how to combine instructional strategies in classroom …
Instructional Videocasts: Facilitating Learning In A Mobile World, Roisin Donnelly, Robert Hickey
Instructional Videocasts: Facilitating Learning In A Mobile World, Roisin Donnelly, Robert Hickey
Journal Articles
This paper critically discusses the new opportunities unique to the use of mobile platforms to complement formal learning with informal learning in an apprenticeship context. It begins with an outline of a problem identified by the teacher-researcher with phase six apprentice bricklaying students achieving psycomotor learning outcomes, mainly due to high student numbers and limited available workshop time. A solution to this problem is presented through the facilitation of the students using eleven short instructional video demonstrations on mobile phones to optimise their time. These were uploaded to the memory cards of the students’ mobile phones. Within an action research …
The Extent Of Clientelism In Irish Politics: Evidence From Classifying Dáil Questions On A Local-National Dimension, Sarah Jane Delany, Richard Sinnott, Niall O'Reilly
The Extent Of Clientelism In Irish Politics: Evidence From Classifying Dáil Questions On A Local-National Dimension, Sarah Jane Delany, Richard Sinnott, Niall O'Reilly
Conference papers
The availability of the full text of Irish parliamentary questions offers opportunities for using machine learning techniques to examine the currently much discussed role of elected representatives (TDs) in the Irish parliamentary system. Bluntly, are TDs mainly national legislators or “constituency messenger boys”? This paper presents an initial investigation into the use of automated text classification techniques to categorise parliamentary questions from 1922 up to 2008 as national or local. The approach uses a bag of words representation, standard feature reduction methods and an SVM classifier. Initial results show there is very little evidence in the corpus of parliamentary questions …
Using Crowdsourcing For Labelling Emotional Speech Assets, Alexey Tarasov, Sarah Jane Delany, Charlie Cullen
Using Crowdsourcing For Labelling Emotional Speech Assets, Alexey Tarasov, Sarah Jane Delany, Charlie Cullen
Conference papers
The success of supervised learning approaches for the classification of emotion in speech depends highly on the quality of the training data. The manual annotation of emotion speech assets is the primary way of gathering training data for emotional speech recognition. This position paper proposes the use of crowdsourcing for the rating of emotion speech assets. Recent developments in learning from crowdsourcing offer opportunities to determine accurate ratings for assets which have been annotated by large numbers of non-expert individuals. The challenges involved include identifying good annotators, determining consensus ratings and learning the bias of annotators.
Study Of The Microbial Diversity And Antimicrobial Properties Of Irish Edible Brown Seaweeds, Shilpi Gupta, Gaurav Rajauria, Nissreen Abu-Ghannam
Study Of The Microbial Diversity And Antimicrobial Properties Of Irish Edible Brown Seaweeds, Shilpi Gupta, Gaurav Rajauria, Nissreen Abu-Ghannam
Articles
Brown Irish edible seaweeds, Himanthalia elongata, Laminaria sachharina and Laminaria digitata, were evaluated for the microbiota in raw and heat processed form. Raw seaweeds showed complete absence of aerobic mesophiles, halophiles, yeasts and molds. However, heating at 85 C for 15 min resulted in spore germination. Bacterial counts as high as 107 were observed for aerobic mesophiles and halophiles. Heating above 95 C for 15 min resulted in complete inactivation of surface microflora. Bacteria belonging to Bacillaceae, Paenibacillaceae, Moraxellaceae and Enterobacteriaceae family were identified by 16S rRNA sequencing. In vitro antimicrobial activity of the methanolic extracts of the seaweed on …
Growth And Kinetics Of Lactobacillus Plantarum In The Fermentation Of Edible Irish Brown Seaweeds, Shilpi Gupta, Nissreen Abu-Ghannam, Amalia G.M. Scannell
Growth And Kinetics Of Lactobacillus Plantarum In The Fermentation Of Edible Irish Brown Seaweeds, Shilpi Gupta, Nissreen Abu-Ghannam, Amalia G.M. Scannell
Articles
The aim of the present study was to see the applicability of using brown edible seaweeds as a sole source of nutrition for the growth of lactic acid bacteria. Growth kinetics of lactic acid bacteria (LAB; Lactobacillus plantarum) was studied using three species of edible Irish brown seaweeds Himanthalia elongata, Laminaria digitata and Laminaria saccharina. As part of the screening process, growth of the LAB was carried out on raw and heat treated forms of seaweeds. The seaweed species in their raw state could not support the growth of L. plantarum. Heat treatment resulted in almost 4 times increase in …
Pk/Pd Modelling Of Comb-Shaped Pegylated Salmon Calcitonin Conjugates Of Differing Molecular Weights, Sinead Ryan, Jesus Maria Frias, David H. Haddleton, David J. Brayden
Pk/Pd Modelling Of Comb-Shaped Pegylated Salmon Calcitonin Conjugates Of Differing Molecular Weights, Sinead Ryan, Jesus Maria Frias, David H. Haddleton, David J. Brayden
Articles
Salmon calcitonin (sCT) was conjugated via cysteine-1 to novel combed-shaped end-functionalised poly(PEG) methyl ether methacrylate) (sCT-P) comb-shaped polymers, to yield conjugates of total molecular weights (MW) inclusive of sCT: 6.5, 9.5, 23 and 40 kDa. The conjugates were characterised by HPLC and their in vitro and in vivo bioactivity was measured by cAMP assay on human T47D cells and following intravenous (i.v.) injection to rats, respectively. Stability against endopeptidases, rat serum and liver homogenates was assessed. There were linear and exponential relationships between conjugate MW with potency and efficacy respectively, however the largest MW conjugate still retained 70% of E …
Purification And Properties Of Amycolatopsis Mediterranei Dsm 43304 Lipase And Its Potential In Flavour Ester Synthesis, Dharmendra Dheeman, Gary Henehan, Jesus Maria Frias
Purification And Properties Of Amycolatopsis Mediterranei Dsm 43304 Lipase And Its Potential In Flavour Ester Synthesis, Dharmendra Dheeman, Gary Henehan, Jesus Maria Frias
Articles
An extracellular thermostable lipase from Amycolatopsis mediterranei DSM 43304 has been purified to homogeneity using ammonium sulphate precipitation followed by anion exchange chromatography and hydrophobic interaction chromatography. This protocol resulted in 398 fold purification with 36% final recovery. The purified A. mediterranei DSM 43304 lipase (AML) has an apparent molecular mass of 33 kDa. The N-terminal sequence, AANPYERGPDPTTASIEATR, showed highest similarity to a lipase from Streptomyces exfoliatus. The values of and for p-nitrophenyl palmitate (p-NPP) under optimal temperature (60°C) and pH (8.0) conditions were 0.10 ± 0.01 mM and 2.53 ± 0.06 mmol/minmg, respectively. The purified …
Ozone Inactivation Of Acid Stressed Listeria Monocytogenes And Listeria Innocua In Orange Juice Using A Bubble Column, Sonal Patil, Vasilis Valdramidis, Jesus Maria Frias, Patrick J. Cullen, Paula Bourke
Ozone Inactivation Of Acid Stressed Listeria Monocytogenes And Listeria Innocua In Orange Juice Using A Bubble Column, Sonal Patil, Vasilis Valdramidis, Jesus Maria Frias, Patrick J. Cullen, Paula Bourke
Articles
Orange juice inoculated with Listeria monocytogenes strains ATCC 7644, NCTC 11994 and Listeria innocua NCTC 11288 (106 CFU/ml) as challenge microorganisms was treated with direct ozone at 0.098mg/min/ml for different time periods (0-8 min) using an ozone bubble column. Ozone treatment of mild acid stressed and mild acid stress-habituated (pH 5.5) cells of L. monocytogenes resulted in higher inactivation times compared to control non-acid stressed cells. Additionally acid stressed cells habituated in orange juice (ATCC 7644 & NCTC 11288), showed higher inactivation times during ozonation by comparison with the control as well as the mild-acid stressed cells. Overall the …
Influence Of Cultivation Conditions On The Production Of A Thermostable Extracellular Lipase From Amycolatopsis Mediterranei Dsm 43304, Dharmdendra Dheeman, Jesus Maria Frias, Gary Henehan
Influence Of Cultivation Conditions On The Production Of A Thermostable Extracellular Lipase From Amycolatopsis Mediterranei Dsm 43304, Dharmdendra Dheeman, Jesus Maria Frias, Gary Henehan
Articles
Among several lipase producing actinomycete strains screened, Amycolatopsis mediterranei DSM 43304 was found to produce a thermostable, extracellular lipase. Culture condition and nutrient source modification studies involving carbon sources, nitrogen sources, incubation temperature and medium pH were carried out. Lipase activity of 1.37 ± 0.103 IU/ml of culture medium was obtained in 96 h at 28 °C and pH 7.5 using linseed oil and fructose as carbon sources and a combination of phytone peptone and yeast extract (5:1) as nitrogen sources. In optimal culture conditions the lipase activity was enhanced 12-fold with a 2-fold increase in lipase specific activity. The …
Effect Of Ultrasonic Processing On Food Enzymes Of Industrial Importance, Paula Bourke, Brijesh Tiwari, Colm O Donnell, Patrick J. Cullen
Effect Of Ultrasonic Processing On Food Enzymes Of Industrial Importance, Paula Bourke, Brijesh Tiwari, Colm O Donnell, Patrick J. Cullen
Articles
In the last decade power ultrasound has emerged as an alternative processing option to conventional thermal approaches for pasteurisation and sterilisation of food products. While sonication alone is not adequate for inactivation of various spoilage and harmful enzymes present in food, ultrasound in combination with mild heat treatment and/or pressure has shown potential for both enzyme and pathogen inactivation. Numerous studies have investigated ultrasound for inactivating enzymes such as pectinmethylesterase, polyphenoloxidases and peroxidases responsible for deterioration of fruit & vegetable juice and various enzymes pertinent to milk quality. The efficacy of ultrasound for the inactivation of enzymes in food is …
Quality And Safety Assessment During The Ozonation Of Cloudy Apple Juice, Sonal Patil, B. Torres, Brijesh Tiwari, Hilda Wingaard, Paula Bourke, Patrick J. Cullen, C. O'Donnell, Vasilis Valdramidis
Quality And Safety Assessment During The Ozonation Of Cloudy Apple Juice, Sonal Patil, B. Torres, Brijesh Tiwari, Hilda Wingaard, Paula Bourke, Patrick J. Cullen, C. O'Donnell, Vasilis Valdramidis
Articles
Traditionally, ozone processing within the food industry has focused on solid foods by either gaseous treatment or washing with ozonated water. However, with the FDA’s approval of ozone as a direct additive to food, the potential for liquid applications has emerged. This study investigates the effect of ozone processing on microbial inactivation (E. coli ATCC 25922 and NCTC 12900), and quality parameters (colour, phenolic content) of apple juice. Apple juice samples were ozonated at room temperature (20±1.5oC) with an ozone concentration of 0.048 mg O3 min-1 ml-1 and treatment time of 0 to 10 …