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2019

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Fully Guided Placement Of Orthodontic Miniscrews-A Technical Report, B Kirnbauer, P Rugani, E Santigli, P Tepesch, K Ali, N Jakse Jan 2019

Fully Guided Placement Of Orthodontic Miniscrews-A Technical Report, B Kirnbauer, P Rugani, E Santigli, P Tepesch, K Ali, N Jakse

Peninsula Dental School

No abstract provided.

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Lead Pollution Of Coastal Sediments By Ceramic Waste, Andrew Turner Jan 2019

Lead Pollution Of Coastal Sediments By Ceramic Waste, Andrew Turner

School of Geography, Earth and Environmental Sciences

© 2018 Ceramic fragments and fractionated (<2 mm) sediment have been sampled from two beaches in southwest England, along with sediment from a control beach where ceramic waste was lacking. Analysis of the glazed ceramic surfaces by X-ray fluorescence (XRF) spectrometry returned concentrations of Pb up to 729,000 mg kg−1, while XRF analysis of sediment samples revealed high but heterogeneous concentrations of Pb at the two sites impacted by ceramic waste (median = 292 and 737 mg kg−1) compared with the control beach (median ~ 20 mg kg−1). These observations are attributed to the disposal of contemporary and historical ceramic products, and the subsequent attrition of material and contamination of local sediment. Extraction of a milled ceramic composite (Pb = 2780 mg kg−1) by 1 M HCl, revealed a high (34%) environmental mobility and availability of Pb; extraction in a solution of protein, however, suggested a low (0.1%) bioaccessibility to sediment-ingesting invertebrates.

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An Object-Based Multimedia Forensic Analysis Tool, Shahlaa Talib Mashhadani Jan 2019

An Object-Based Multimedia Forensic Analysis Tool, Shahlaa Talib Mashhadani

School of Engineering, Computing and Mathematics Theses

With the enormous increase in the use and volume of photographs and videos, multimedia-based digital evidence now plays an increasingly fundamental role in criminal investigations. However, with the increase, it is becoming time-consuming and costly for investigators to analyse content manually. Within the research community, focus on multimedia content has tended to be on highly specialised scenarios such as tattoo identification, number plate recognition, and child exploitation. An investigator’s ability to search multimedia data based on keywords (an approach that already exists within forensic tools for character-based evidence) could provide a simple and effective approach for identifying relevant imagery. This …

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Antifouling Paint Particles In Intertidal Estuarine Sediments From Southwest England And Their Ingestion By The Harbour Ragworm, Hediste Diversicolor, Christina Muller-Karanassos, Andrew Turner, William Arundel, Tom Vance, Penelope K. Lindeque, Matthew Cole Jan 2019

Antifouling Paint Particles In Intertidal Estuarine Sediments From Southwest England And Their Ingestion By The Harbour Ragworm, Hediste Diversicolor, Christina Muller-Karanassos, Andrew Turner, William Arundel, Tom Vance, Penelope K. Lindeque, Matthew Cole

School of Geography, Earth and Environmental Sciences

© 2019 Antifouling paint particles (APPs) of between 500 μm and >2 mm in diameter have been identified in silty, intertidal estuarine sediments through a combination of microscopy and x-ray fluorescence spectrometry. APPs were heterogeneously distributed, with maximal concentrations of 430 particles L −1 (0.2 g L −1 ) near to a facility where boats are regularly maintained and 400 particles L −1 (4.2 g L −1 ) at a location where old boats had been abandoned, with the majority of particles encountered in the finest size fraction retrieved. APPs contained variable concentrations of Cu, Zn, Sn and Pb, with …

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Improving Group Integrity Of Tags In Rfid Systems, Reem Alkanhel Jan 2019

Improving Group Integrity Of Tags In Rfid Systems, Reem Alkanhel

School of Engineering, Computing and Mathematics Theses

Checking the integrity of groups containing radio frequency identification (RFID) tagged objects or recovering the tag identifiers of missing objects is important in many activities. Several autonomous checking methods have been proposed for increasing the capability of recovering missing tag identifiers without external systems. This has been achieved by treating a group of tag identifiers (IDs) as packet symbols encoded and decoded in a way similar to that in binary erasure channels (BECs). Redundant data are required to be written into the limited memory space of RFID tags in order to enable the decoding process. In this thesis, the group …

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A Service Evaluation Of The “Open Wide And Step Inside” School Oral Health Programme, Robert Witton, Wendy Smith Jan 2019

A Service Evaluation Of The “Open Wide And Step Inside” School Oral Health Programme, Robert Witton, Wendy Smith

Peninsula Dental School

No abstract provided.

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Atomic Spectrometry Update: Review Of Advances In The Analysis Of Metals, Chemicals And Materials, Simon Carter, Robert Clough, Andy Fisher, Bridget Gibson, Ben Russell, Julia Waack Jan 2019

Atomic Spectrometry Update: Review Of Advances In The Analysis Of Metals, Chemicals And Materials, Simon Carter, Robert Clough, Andy Fisher, Bridget Gibson, Ben Russell, Julia Waack

School of Geography, Earth and Environmental Sciences

This review covers advances in the analysis of advanced materials, metals, fuels and lubricants, nanostructures, ceramics, refractories, organic and inorganic chemicals, catalysts and nuclear materials by a range of techniques including X-ray, ICP, LIBS, mass spectrometry, synchrotron-based techniques, plus non-destructive and ablation surface techniques.

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Cooperative Swarm Optimisation Of Unmanned Surface Vehicles, Yogang Singh Jan 2019

Cooperative Swarm Optimisation Of Unmanned Surface Vehicles, Yogang Singh

School of Engineering, Computing and Mathematics Theses

With growing advances in technology and everyday dependence on oceans for resources, the role of unmanned surface vehicles (USVs) has increased many fold. Extensive operations of USVs having naval, civil and scientific applications are currently being undertaken in various complex marine environments and demands are being placed on them to increase their autonomy and adaptability. A key requirement for the autonomous operation of USVs is to possess a multi-vehicle framework where they can operate as a fleet of vehicles in a practical marine environment with multiple advantages such as surveying of wider areas in less time. From the literature, it …

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Securing Cloud Storage By Transparent Biometric Cryptography, Leith Abed Jan 2019

Securing Cloud Storage By Transparent Biometric Cryptography, Leith Abed

School of Engineering, Computing and Mathematics Theses

With the capability of storing huge volumes of data over the Internet, cloud storage has become a popular and desirable service for individuals and enterprises. The security issues, nevertheless, have been the intense debate within the cloud community. Significant attacks can be taken place, the most common being guessing the (poor) passwords. Given weaknesses with verification credentials, malicious attacks have happened across a variety of well-known storage services (i.e. Dropbox and Google Drive) – resulting in loss the privacy and confidentiality of files. Whilst today's use of third-party cryptographic applications can independently encrypt data, it arguably places a significant burden …

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Fcmdt: A Novel Fuzzy Cognitive Maps Dynamic Trust Model For Cloud Federated Identity Management, Keltoum Bendiab, Stavros Shiaeles, S. Boucherkha, Bogdan Ghita Jan 2019

Fcmdt: A Novel Fuzzy Cognitive Maps Dynamic Trust Model For Cloud Federated Identity Management, Keltoum Bendiab, Stavros Shiaeles, S. Boucherkha, Bogdan Ghita

School of Engineering, Computing and Mathematics

No abstract provided.

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Numerical Modelling Of Responses Of Offshore Wave Energy Converters In Extreme Waves, Pierre-Henri Musiedlak Jan 2019

Numerical Modelling Of Responses Of Offshore Wave Energy Converters In Extreme Waves, Pierre-Henri Musiedlak

School of Engineering, Computing and Mathematics Theses

Wave Energy is a promising sector for sustainable low-carbon energy production. Despite the effort put in the last decade, concerning problems remained unsolved. Numerical modelling can play a key role in the assessment of extreme responses necessary to the understanding of Wave Energy Converter (WEC) capacity to survive extreme conditions. However, high-fidelity codes are too time-consuming for industries, while codes of lower fidelity are based on major physical assumptions inducing concerning uncertainties. Therefore, the present study - sponsored jointly by DNV GL and the University of Plymouth - develops an hybrid model coupling the low-fidelity model WaveDyn, with a Computational …

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Novel Trust Consensus Protocol And Blockchain-Based Trust Evaluation System For M2m Application Services, Besfort Shala, Ulrich Trick, Armin Lehmann, Bogdan Ghita, Stavros Shiaeles Jan 2019

Novel Trust Consensus Protocol And Blockchain-Based Trust Evaluation System For M2m Application Services, Besfort Shala, Ulrich Trick, Armin Lehmann, Bogdan Ghita, Stavros Shiaeles

School of Engineering, Computing and Mathematics

No abstract provided.

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Multi-Directional Focused Wave Group Interactions With A Plane Beach, Frances M. Judge, Alison C. Hunt-Raby, Jana Orszaghova, Paul H. Taylor, Alistair G.L. Borthwick Jan 2019

Multi-Directional Focused Wave Group Interactions With A Plane Beach, Frances M. Judge, Alison C. Hunt-Raby, Jana Orszaghova, Paul H. Taylor, Alistair G.L. Borthwick

School of Engineering, Computing and Mathematics

No abstract provided.

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Is Optometry Ready For Myopia Control? Education And Other Barriers To The Treatment Of Myopia, Saoirse Mccrann, Daniel Ian Flitcroft, James Loughman Jan 2019

Is Optometry Ready For Myopia Control? Education And Other Barriers To The Treatment Of Myopia, Saoirse Mccrann, Daniel Ian Flitcroft, James Loughman

Articles

Background: With the increasing prevalence of myopia there is growing interest in active myopia control. However, the majority of progressive myopes are still prescribed single vision spectacles. This prospective study aims to elucidate the knowledge and attitudes of optometrists toward myopia control, and thereby identify perceived barriers to the implementation of a risk focussed model of myopia management.

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Implementing A Two-Tiered Model Of Optometry Training In Mozambique As An Eye Health Development Strategy, Diane Van Staden, James Loughman, Kovin Naidoo Jan 2019

Implementing A Two-Tiered Model Of Optometry Training In Mozambique As An Eye Health Development Strategy, Diane Van Staden, James Loughman, Kovin Naidoo

Articles

Background: The global burden of vision impairment has been acknowledged by the World Health Organisation as a public health challenge. In order to scale up the production of eye health personnel in developing countries, a tiered model of optometry training was explored in Mozambique.

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Identification Of Surrogate Biomarkers For The Prediction Of Patients At Risk Of Low Macular Pigment In Type 2 Diabetes, Grainne Scanlon, Daniel Mccartney, John Butler, Ekaterina Loskutova, James Loughman Jan 2019

Identification Of Surrogate Biomarkers For The Prediction Of Patients At Risk Of Low Macular Pigment In Type 2 Diabetes, Grainne Scanlon, Daniel Mccartney, John Butler, Ekaterina Loskutova, James Loughman

Articles

Purpose: This cross-sectional study compared macular pigment (MP) levels among persons with Type 2 diabetes relative to healthy controls. Additionally, a range of behavioral, anthropometric, clinical and serum measures were explored as possible predictors of low MP optical density (MPOD) in diabetes.

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Addressing Vision Impairment In Mozambique And The Africa Region, Stephen Thompson, Kovin Naidoo, Joel Bambamba, Vanessa Moodley, Diane Van Staden, Amanda Forde, Kajal Shah, Luigi Bilotto, James Loughman Jan 2019

Addressing Vision Impairment In Mozambique And The Africa Region, Stephen Thompson, Kovin Naidoo, Joel Bambamba, Vanessa Moodley, Diane Van Staden, Amanda Forde, Kajal Shah, Luigi Bilotto, James Loughman

Articles

The Mozambique Eyecare Project was an international partnership to implement and research eye health education in Mozambique and the Africa region. An optometry degree was developed at Universidade Lúrio, Mozambique. In addition, existing eye health workers were upskilled with training. Researchers from various disciplines evaluated the project and its potential for impact on eye health in the region. The body of evidence generated from the research provides useful lessons for development programmes in general, as well as specific lessons for delivering eye health education and service delivery models for low income settings.

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Raman Spectroscopy As A Potential Tool For Label Free Therapeutic Drug Monitoring In Human Serum: The Case Of Busulfan And Methotrexate, Drishya Parachalil, Franck Bonnier, Deirdre Commerford, Igor Chourpa, Jennifer Mcintyre, Hugh Byrne Jan 2019

Raman Spectroscopy As A Potential Tool For Label Free Therapeutic Drug Monitoring In Human Serum: The Case Of Busulfan And Methotrexate, Drishya Parachalil, Franck Bonnier, Deirdre Commerford, Igor Chourpa, Jennifer Mcintyre, Hugh Byrne

Articles

A methodology is proposed, based on Raman spectroscopy coupled with multivariate analysis, to determine the Limit of Detection (LOD) and Limit of Quantification (LOQ) for therapeutic drug monitoring in human serum, using the examples of Busulfan, a cell cycle non-specific alkylating antineoplastic agent, and, Methotrexate, a chemotherapeutic agent and immune system suppressant. In this study, ultrafiltration is employed to fractionate spiked human pooled serum to efficiently recover the drug in the filtrate prior to performing Raman analysis. The drug concentration ranges were chosen to encompass the recommended therapeutic ranges and toxic levels in patients. Raman spectra were collected from the …

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Raman Spectroscopic Analysis Of Saliva For The Diagnosis Of Oral Cancer: A Systematic Review, Genecy Calado, Isha Behl, Amuthachelvi Daniel, Hugh Byrne, Fiona Lyng Jan 2019

Raman Spectroscopic Analysis Of Saliva For The Diagnosis Of Oral Cancer: A Systematic Review, Genecy Calado, Isha Behl, Amuthachelvi Daniel, Hugh Byrne, Fiona Lyng

Articles

Abstract Oral squamous cell carcinoma (OSCC) is one of the most common malignancies worldwide, and new protocols for routine and early detection are required. Raman spectroscopy is an optical based method that can provide sensitive and non-invasive real time detailed information on the biochemical content of a sample like saliva, through the unique vibrations of its constituent molecules and this is sensitive to changes associated with disease. A comprehensive systematic review of the available scientific literature related to Raman spectroscopy of human saliva for diagnosis of OSCC was performed. The 785 nm laser line was most applied wavelength along with …

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Principal Components Analysis Of Raman Spectral Data For Screening Of Hepatitis C Infection, A. Dita, H. Nawaz, T. Mahmood, M. Tahir, N. Rashid, Muhammad Mudassar, A.A.H. Alsaadi, Hugh Byrne Jan 2019

Principal Components Analysis Of Raman Spectral Data For Screening Of Hepatitis C Infection, A. Dita, H. Nawaz, T. Mahmood, M. Tahir, N. Rashid, Muhammad Mudassar, A.A.H. Alsaadi, Hugh Byrne

Articles

In the current study, Raman spectroscopy is employed for the identification of the biochemical changes taking place during the development of Hepatitis C. The Raman spectral data acquired from the human blood plasma samples of infected and healthy individuals is analysed by Principal Components Analysis and the Raman spectral markers of the Hepatitis C Virus (HCV) infection are identified. Spectral changes include those associated with nucleic acidsat720 cm−1, 1077 cm−1 1678 (CO stretching mode of dGTP of RNA), 1778 cm−1 (RNA), with proteins at 1641 cm−1(amide-I), 1721 cm−1(CC stretching of proteins) and lipids at 1738 cm−1(CO of ester group in …

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The Bullet In The Brick: The Materiality Of Conflict In Museum Objects, Siobhan Doyle Jan 2019

The Bullet In The Brick: The Materiality Of Conflict In Museum Objects, Siobhan Doyle

Articles

Tangible traces of conflict in visual artefacts can take viewers uncomfortably close to the realities of war—violence, destruction and fatalities. This article questions the evidential force of objects associated with conflict and their eventual display in exhibitions. Through a study of the display of a brick in which is embedded a bullet that is said to have passed through the body of Francis Sheehy Skeffington when he was executed by firing squad during the Easter Rising in Dublin in 1916, this article explores the historical configuration of the brick and analyses its public display in the National Museum of Ireland …

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Traversing States: A Reflection On Digital Technology And Simondon's Critique Of Hylomorphism, Michael O'Hara Jan 2019

Traversing States: A Reflection On Digital Technology And Simondon's Critique Of Hylomorphism, Michael O'Hara

Articles

In this article, I examine Simondon's concept of the technical object reflecting on its analogous relationship to digital technology. Intrinsic to such an analysis is Simondon's distinction between the abstract and concrete and his specific critique of the hylomorphic model. In a deeply rich example, Simondon, contra Aristotle, mobilises the process of mould-making as an exemplar of the modulated ensemble of forces that prefigure any formations of matter through form. I analyse Simondon's paradigmatic criticism while at the same time carving out the potential intersections that emerge through the kinaesthetic awareness of the body. By doing so I highlight the …

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Improved Levels Of Critical Reflection In Pharmacy Technician Student Work-Placement Assessments Through Emphasising Graduate Attributes, Julie Dunne Jan 2019

Improved Levels Of Critical Reflection In Pharmacy Technician Student Work-Placement Assessments Through Emphasising Graduate Attributes, Julie Dunne

Journal Articles

This study investigated the effect of activities to promote awareness of specific prioritised graduate attributes on the quality of reflection displayed in work-placement reflective blog assessments for Pharmacy-technician students. Previous related research showed an increased tendency to frame placement experiences in terms of graduate attributes when they are made more explicit in the curriculum. Now, a thematic analysis of reflective writing from control and research groups, using a priori codes of ‘reflection’ and ‘graduate attributes’ explored the impact on the depth of critical reflection, and its relationship to explicit discussion of graduate attributes. The findings show an improvement in the …

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A Guide For Vet Teachers With A Focus On Aquaculture: Using Student Rapid Response Systems (Srrs) For Formative Assessment And For Recognition Of Prior Learning (Rpl), Anne Murphy, Aidan Kenny, Martyn Haines, Christine Dudgeon, Dag Willmann Jan 2019

A Guide For Vet Teachers With A Focus On Aquaculture: Using Student Rapid Response Systems (Srrs) For Formative Assessment And For Recognition Of Prior Learning (Rpl), Anne Murphy, Aidan Kenny, Martyn Haines, Christine Dudgeon, Dag Willmann

Reports

Optimal was a European Commission funded Erasmus+ Key Action 2 Strategic Partnership Project KA2-SP, titled – ‘Optimised Training: Innovative Methods and Tools for Acceptance of Prior Learning in Qualifications and Workplace Training’. It started in 2016 and ended in October 2019. The Optimal project involved a consortium of partners as follows: Norway - Blue Competence Centre and Guri Kunna VET School, Hitra and Froya Belgium - Federation of European Aquaculture Producers (FEAP) Scotland - Pisces Learning Innovations (PLI) Ltd Ireland - Teachers’ Union of Ireland (TUI). The partnership investigated the delivery of VET to work-based learners through the application of …

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Evaluating Food Safety Knowledge And Practices Among Foodservice Staff In Al Madinah Hospitals, Saudi Arabia, Anushree Priyadarshini, Nada Ahmad Alqurashi, Amit Jaiswal Jan 2019

Evaluating Food Safety Knowledge And Practices Among Foodservice Staff In Al Madinah Hospitals, Saudi Arabia, Anushree Priyadarshini, Nada Ahmad Alqurashi, Amit Jaiswal

Articles

This study examines food safety knowledge and practices of food service staff in Al Madinah hospitals, Saudi Arabia. A total of 163 food service staff participated voluntarily from 10 hospitals across the city of Al Madinah. The participants completed a questionnaire composed of threeparts: Generalcharacteristics,foodsafetyknowledge,andfoodsafetypractices. Resultsshowed that respondents generally had good food safety knowledge with the highest pass rate of 77.9% for knowledge of cross contamination followed by 52.8% for knowledge of food poisoning, and 49.7% of knowledge of food storage. Food safety practices were also strongly observed in the hospitals with a pass rate of 92.6%. Food safety knowledge …

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Antimicrobial Effects Of Microwave-Induced Plasma Torch (Minimip) Treatment On Candida Albicans Biofilms, Oliver Handorf, Uta Schnabel, André Bösel, Thomas Weihe, Sander Bekeschus, Alexander C. Graf, Jörg Ehlbeck Jan 2019

Antimicrobial Effects Of Microwave-Induced Plasma Torch (Minimip) Treatment On Candida Albicans Biofilms, Oliver Handorf, Uta Schnabel, André Bösel, Thomas Weihe, Sander Bekeschus, Alexander C. Graf, Jörg Ehlbeck

Articles

The susceptibility of Candida albicans biofilms to a non-thermal plasma treatment has been investigated in terms of growth, survival and cell viability by a series of in vitro experiments. For different time periods , the C. albicans strain SC5314 was treated with a microwave-induced plasma torch (MiniMIP). The MiniMIP treatment had a strong effect (reduction factor (RF) = 2.97 after 50 s treatment) at a distance of 3 cm between the nozzle and the superior regions of the biofilms. In addition, a viability reduction of 77% after a 20 s plasma treatment and a metabolism reduction of 90% after a …

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Nanostructured Materials For Food Applications: Spectroscopy, Microscopy And Physical Properties, Shubham Sharma, Swana Jaiswal, Brendan Duffy, Amit Jaiswal Jan 2019

Nanostructured Materials For Food Applications: Spectroscopy, Microscopy And Physical Properties, Shubham Sharma, Swana Jaiswal, Brendan Duffy, Amit Jaiswal

Articles

Nanotechnology deals with the matter of atomic or molecular scale. Other factors that define the character of a nanoparticle are its physical and chemical properties, such as surface area, surface charge, hydrophobicity of the surface, the thermal stability of the nanoparticle, and its antimicrobial activity. A nanoparticle is usually characterized by using microscopic and spectroscopic techniques. Microscopic techniques are used to characterize the size, shape, and location of the nanoparticle by producing an image of the individual nanoparticle. Several techniques, such as scanning electron microscopy (SEM), transmission electron microscopy/high resolution transmission electron microscopy (TEM/HRTEM), atomic force microscopy (AFM) and scanning …

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A Multilayer Exponential Random Graph Modelling Approach For Weighted Networks, Alberto Caimo, Isabella Gollini Jan 2019

A Multilayer Exponential Random Graph Modelling Approach For Weighted Networks, Alberto Caimo, Isabella Gollini

Articles

A new modelling approach for the analysis of weighted networks with ordinal/polytomous dyadic values is introduced. Specifically, it is proposed to model the weighted network connectivity structure using a hierarchical multilayer exponential random graph model (ERGM) generative process where each network layer represents a different ordinal dyadic category. The network layers are assumed to be generated by an ERGM process conditional on their closest lower network layers. A crucial advantage of the proposed method is the possibility of adopting the binary network statistics specification to describe both the between-layer and across-layer network processes and thus facilitating the interpretation of the …

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Synthetic Positron Emission Tomography Using Conditional-Generative Adversarial Networks For Healthy Bone Marrow Baseline Image Generation, Patrick Leydon, Martin O'Connell, Derek Greene, Kathleen Curran Jan 2019

Synthetic Positron Emission Tomography Using Conditional-Generative Adversarial Networks For Healthy Bone Marrow Baseline Image Generation, Patrick Leydon, Martin O'Connell, Derek Greene, Kathleen Curran

Session 6: Applications, Architecture and Systems Integration

A Conditional-Generative Adversarial Network has been used for a supervised image-to-image transla- tion task which outputs a synthetic PET scan based on real patient CT data. The network is trained using only data of patients with healthy bone marrow metabolism. This allows for a patient specific synthetic healthy baseline scan to be produced. This can be used by a clinician for comparison to real PET data in the absence of a baseline scan or to aid in the diagnosis of conditions such as Multiple Myeloma which manifest as changes in bone marrow metabolism.

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Development Of A Nanodrop Shape Analysis Tool For Installation In A Novel Nanodrop Spectrophotometer, Colin Monaghan, Jane Courtney Jan 2019

Development Of A Nanodrop Shape Analysis Tool For Installation In A Novel Nanodrop Spectrophotometer, Colin Monaghan, Jane Courtney

Session 6: Applications, Architecture and Systems Integration

The rapid identification of liquid composition is an important task integral to a wide range of industries including medical, pharmaceuticals, petrochemicals, and vinification. To aid in this identification spectroscopy can be utilised, however specialised instrumentation must be developed to deliver quantitative information. A spectrophotometer uses spectral data to identify chemical composition of droplets. However, to accurately perform this function, prior knowledge of the size and shape of the droplet is essential to understand chemical quantity. Whilst image data can be easily captured with a high definition camera, the image analysis to translate images into a relevant region of interest (ROI) …

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