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    Now showing items 1-20 of 86

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        A 1st year problem-based learning module designed to introduce inteprofessional education for undergraduate students undertaking professional health care programmes.

        Cusack, T.; Butler, ML.; Blake, C. (2009)
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        3 Tesla imaging of the brain in multiple sclerosis patients with nystagmus-A new diagnostic tool.

        Parameswaran Iyer; Fagan, Andrew; Takacs, Aliz (2010)
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        Acoustic noise has no significant effect on radiologists performance

        McEntee, MF; O'Beirne, A; Ryan, J (2009)
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        Acoustic noise in magnetic resonance imaging: An ongoing issue

        McNulty, J.P.; McNulty, S. (2009-02-15)
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        Advanced Noise Reduction in Placental Ultrasound Imaging using CPU and GPU; a Comparative Study

        G Zombori,; Ryan, J; McAuliffe, F (2010)
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        Ambient temperature is an important consideration in the radiology reading room

        McEntee, MF; Gafoor, S (2009)
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        Ambient temperature variation effects radiological diagnostic performance

        McEntee, MF; Gafoor, S. (2009-03-12)
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        AP diameter shows the strongest correlation with CTDI and DLP in abdominal and chest CT.

        Zarb, Francis; Rainford, Louise; McEntee, Mark F; Radiography, Institute of Health Care, University of Malta, Malta. francis.zarb@um.edu.mt (Oxford Journals, 2010)
        The purpose of this study is to investigate the relationships among cross-sectional diameters, weight and computed tomography (CT) dose descriptors (CTDI and DLP) to identify which is best used as a measure for the establishment of DRLs in CT. Data (gender, weight, cross-sectional diameters, dose descriptors) from 56 adult patients attending for either a CT examination of the abdomen or chest was obtained from two spiral CT units using automatic milliampere modulation. The AP diameter was demonstrated as the main contributing factor influencing the dose in CT (CTDI: r(2) = 0.269, p-value < or =0.001; DLP: r(2) = 0.260, p-value < or =0.001) since it has a greater correlation with radiation dose than body weight and can thus be its substitute in dose-reduction strategies and establishment of DRLs. The advantages of using the AP diameter are that it can easily be measured prior to scanning or retrospectively from previous CT images. However, further studies on the practicality of this approach are recommended.
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        The application of diagnostic reference levels: General principles and an Irish perspective

        Matthews, Kate; Brennan, Patrick C. (2009-05)
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        Applications of diffusion tensor imaging in patients after severe TBI

        McNulty, J. (2010)
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        Applying DTI white matter orientations to finite element head models to examine diffuse TBI under high rotational accelerations.

        Colgan, Niall C; Gilchrist, Michael D; Curran, Kathleen M; Diagnostic Imaging, University College Dublin, Belfield D4, Ireland. kathleen.curran@ucd.ie (2010-12)
        The in-vivo mechanical response of neural tissue during impact loading of the head is simulated using geometrically accurate finite element (FE) head models. However, current FE models do not account for the anisotropic elastic material behaviour of brain tissue. In soft biological tissue, there is a correlation between internal microscopic structure and macroscopic mechanical properties. Therefore, constitutive equations are important for the numerical analysis of the soft biological tissues. By exploiting diffusion tensor techniques the anisotropic orientation of neural tissue is incorporated into a non-linear viscoelastic material model for brain tissue and implemented in an explicit FE analysis. The viscoelastic material parameters are derived from published data and the viscoelastic model is used to describe the mechanical response of brain tissue. The model is formulated in terms of a large strain viscoelastic framework and considers non-linear viscous deformations in combination with non-linear elastic behaviour. The constitutive model was applied in the University College Dublin brain trauma model (UCDBTM) (i.e. three-dimensional finite element head model) to predict the mechanical response of the intra-cranial contents due to rotational injury.
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        Are exposure index values consistent in clinical practice? A multi-manufacturer investigation

        Butler, ML.; Rainford, L,; Last, J (Oxford Journals, 2010)
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        Bioluminescent imaging: a critical tool in pre-clinical oncology research.

        O'Neill, Karen; Lyons, Scott K; Gallagher, William M; Curran, Kathleen M; Byrne, Annette T; UCD School of Medicine and Medical Science, Health Science Building, University College Dublin, Belfield, Dublin 4, Ireland. (2010-02)
        Bioluminescent imaging (BLI) is a non-invasive imaging modality widely used in the field of pre-clinical oncology research. Imaging of small animal tumour models using BLI involves the generation of light by luciferase-expressing cells in the animal following administration of substrate. This light may be imaged using an external detector. The technique allows a variety of tumour-associated properties to be visualized dynamically in living models. The increasing use of BLI as a small-animal imaging modality has led to advances in the development of xenogeneic, orthotopic, and genetically engineered animal models expressing luciferase genes. This review aims to provide insight into the principles of BLI and its applications in cancer research. Many studies to assess tumour growth and development, as well as efficacy of candidate therapeutics, have been performed using BLI. More recently, advances have also been made using bioluminescent imaging in studies of protein-protein interactions, genetic screening, cell-cycle regulators, and spontaneous cancer development. Such novel studies highlight the versatility and potential of bioluminescent imaging in future oncological research.
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        Breast displacement during cardiac CT. A dose reducing strategy.

        Foley, S,; Rainford, L,; McEntee, M (2009)
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        Calibration drift of LCD displays after a powered-off and storage period.

        Lowe, J; Brennan, P; Evanoff, M (2010)
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        Can colloboration between radiographers and con-consultant hospital doctors during image interpretation improve the accuracy of iagnostic decisions

        McNulty, JP; Kelly, B; Rainford, L, (2011)
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        Correlation of patients weight and dimensions to CT dose descriptors

        Zarb, F; Rainford, LA; McEntee, MF (2009)
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        Coverage of cancer in the Irish print media [presentation]

        Frain, Fionnuala; O'Donovan, Anita; Applied Radiation Therapy Trinity, Discipline of Radiation Therapy, School of Medicine, Trinity College Dublin, Ireland (Health Service Executive (HSE), 2014-02-28)
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        Current recommendations on warm-up times may be unacceptable for LCD displays.

        Lowe J, ,; Brennan, P; Evanoff, M (2009)
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        Developing optimized CT scan protocols: phantom measurements of image quality.

        Zarb, F; Rainford, LA; McEntee, MF (Radiography, 2010)
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