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Articles 901 - 930 of 11821
Full-Text Articles in Entire DC Network
An Investigation Of Violence Sustained By Nursing And Midwifery Students, Kevin Hambridge, Matt Carey, Francis Thompson
An Investigation Of Violence Sustained By Nursing And Midwifery Students, Kevin Hambridge, Matt Carey, Francis Thompson
School of Nursing and Midwifery
AbstractBackgroundMany laws exist which protect healthcare personnel from violence within the workplace. Evidence suggests that violence towards nursing students continues and remains unreported. These violent incidents have been proven to have psychological effects.AimsThe aim of the study was to identify the extent, type and impact of violence and aggression sustained by nursing and midwifery students.MethodsA cross-sectional questionnaire survey was employed in a UK University to investigate the violence and aggression sustained by 369 pre-registration nursing and midwifery students.FindingsIn total, 54.7% (n=202) of students reported sustaining violence or aggression in their current academic year. This included verbal violence and aggression (92.7% …
Negotiating Musical Practices In Chilean Prisons During Pinochet’S Dictatorship (1973-1990), Nuria Bonet
Negotiating Musical Practices In Chilean Prisons During Pinochet’S Dictatorship (1973-1990), Nuria Bonet
School of Art, Design and Architecture
Music played many roles in detention centres during Augusto Pinochet’s dictatorship in Chile (1973-1990), as political prisoners played, listened to, wrote, and taught music. Testimonies of survivors describe a variety of musical practices which reflect the political and social realities of their incarceration. While authorities used music to torture and degrade political prisoners, music was also a tool for communication, community-building, catharsis, and entertainment. Who was allowed to play, hear, and choose music in these spaces – and why - is a complex question which reveals narratives of resistance and oppression, while questioning ideas of musical taste in relation to …
Patient Experiences After Open Heart Surgery: A Qualitative Systematic Review, Halil Kaya, Orachorn Lumprom, Patricia Schofield, Matt Carey, Jos Latour
Patient Experiences After Open Heart Surgery: A Qualitative Systematic Review, Halil Kaya, Orachorn Lumprom, Patricia Schofield, Matt Carey, Jos Latour
School of Nursing and Midwifery
Aim: The aim of this systematic review was to synthesise findings from qualitative studies exploring patients' experiences in hospital or at home following open-heart surgery.Methods: Systematic searches were conducted in CINAHL, MEDLINE, PsycINFO, ProQuest Dissertation and Theses, and Web of Science, covering the period from 2006 to 2023. Studies were selected if they reported a qualitative inquiry into patients’ experiences after open-heart surgery. The quality of eligible studies was assessed using the JBI Critical Appraisal tool. A metaaggregation approach was used to synthesise the findings.Results: Twenty-one studies were included, representing 266 patients across 10 countries. Findings were aggregated into five …
Psychological Interventions Added To Standard Care Improve Pain And Function Outcomes In Knee Osteoarthritis: A Systematic Review And Meta‐Analysis, Tim Phelps, Jonathan Gilby, Joanne Hosking, Jonathon Gill
Psychological Interventions Added To Standard Care Improve Pain And Function Outcomes In Knee Osteoarthritis: A Systematic Review And Meta‐Analysis, Tim Phelps, Jonathan Gilby, Joanne Hosking, Jonathon Gill
School of Health Professions
Objective: Knee osteoarthritis is a primary cause of disability across the world and current standard care fails to address all biopsychosocial contributions to pain. The current review aims to evaluate randomised controlled trials examining the effect of adding cognitive behavioural therapy or pain coping skills training to standard care on pain and function outcomes for individuals with knee osteoarthritis. Data sources: Systematic searches were conducted of CINAHL, EMBASE (OVID), Medline (EBSCO) and PsycINFO databases until July 2024 with no date restrictions. Methods: This systematic review followed the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines. Risk of bias …
Digital Strolls Using Unicdent Toolkit-Part 2: Reimagining The Walking Method For Online Participation, Prashanti Eachempati, John Martin, Sally Hanks, Mona Nasser
Digital Strolls Using Unicdent Toolkit-Part 2: Reimagining The Walking Method For Online Participation, Prashanti Eachempati, John Martin, Sally Hanks, Mona Nasser
Peninsula Dental School
Distance and remoteness no longer pose barriers to conducting meaningful research, as the adaptation of participatory methods can address these challenges effectively. This article examines the transformation of the UniCDent Toolkit, originally designed to capture patients' perceptions of uncertainty in dental environments, for online participatory interactions with dentists. The toolkit, which uses the walking method, incorporates components such as imagery, gallery walks, quadrant mapping, and trade-offs to explore uncertainty in dental practice. Initially, dentists expressed discomfort in sharing their uncertainty in a group setting, prompting a shift to an online format that maintained participant engagement and created a safe space …
Experiences Of Occupational Engagement In Young & Middle-Aged Women Post-Stroke: A Qualitative Systematic Review, Li Kiang Regina Toh, Tanja Križaj
Experiences Of Occupational Engagement In Young & Middle-Aged Women Post-Stroke: A Qualitative Systematic Review, Li Kiang Regina Toh, Tanja Križaj
School of Health Professions
Purpose: Young and middle-aged women engage in distinct occupations, facing unique post-stroke challenges that complicate their recovery. However, little is known about their experiences with occupational engagement following a stroke. This qualitative systematic review aimed to explore the post-stroke experiences of women aged 18–65 from an occupational perspective of health. Methods: A comprehensive search of five databases identified qualitative studies on post-stroke experiences of women aged 18–65. Two reviewers independently appraised the methodological quality of eligible studies. Data were extracted and synthesised using the Joanna Briggs Institute (JBI) method of meta-aggregation. Results: Seven studies were included. From 103 extracted findings, …
Rl-Scap Sigfox: A Reinforcement Learning Based Scalable Communication Protocol For Low-Power Wide-Area Iot Networks, Raghad Albalawi, Fatma Bouabdallah, Linda Mohaisen, Shireen Saifuddin
Rl-Scap Sigfox: A Reinforcement Learning Based Scalable Communication Protocol For Low-Power Wide-Area Iot Networks, Raghad Albalawi, Fatma Bouabdallah, Linda Mohaisen, Shireen Saifuddin
School of Engineering, Computing and Mathematics
The Internet of Things (IoT) aims to wirelessly connect billions of physical things to the IT infrastructure. Although there are several radio access technologies available, few of them meet the needs of Internet of Things applications, such as long range, low cost, and low energy consumption. The low data rate of low-power wide-area network (LPWAN) technologies, particularly SigFox, makes them appropriate for Internet of Things applications since the longer the radio link’s useable distance, the lower the data rate. Network reliability is the primary goal of SigFox technology, which aims to deliver data messages successfully through redundancy. This raises concerns …
Reconnecting To The Person Before Acquired Brain Injury: A Continuing Bonds Grief Intervention, Elizabeth Gilmour, Alyson Norman
Reconnecting To The Person Before Acquired Brain Injury: A Continuing Bonds Grief Intervention, Elizabeth Gilmour, Alyson Norman
School of Psychology
Acquired Brain Injury (ABI) affects millions yearly potentially altering the emotional, behavioural and physical characteristics of the person. Consequently, it can result in the person before the ABI being markedly different from the person after. Family members of individuals with ABI often report feeling grief but there is limited support to help them. This study aimed to pilot a four-week grief writing intervention based on the continuing bonds intervention ‘Hello Again’, for family members after ABI. The purpose was to determine the experience of writing the letters and the perceived benefit. Recruitment was through volunteer sampling, and three participants took …
Mesoscale Modelling For Investigating The Thermo-Mechanical Behaviour Of Geopolymer Concrete, Feiyu Shi, Long Yuan Li, Shanshan Cheng
Mesoscale Modelling For Investigating The Thermo-Mechanical Behaviour Of Geopolymer Concrete, Feiyu Shi, Long Yuan Li, Shanshan Cheng
School of Engineering, Computing and Mathematics
Advancing the understanding of the behaviour of geopolymer concrete subjected to both thermal and mechanical loadings provides valuable assistance in the fire safety design of geopolymer concrete structures. Here in this research, a mesoscale modelling technique was proposed to simulate the free thermal expansion and behaviours of geopolymer concrete subjected to two different loading schemes. Results showed that transient thermal strain was clearly observable in the mesoscale modelling, and due to the existence of transient thermal strain, behaviours of geopolymer concrete under heat-then-load and load-then-heat schemes were quite different. Another further close look at the effect of volume fraction of …
Older Adults' Experiences Of Telephone-Delivered Behavioral Activation With Mental Imagery As A Treatment For Depression During The Covid-19 Pandemic: A Qualitative Study, Johnny Pellas, Mattias Damberg, Fritz Renner, Julie L Ji, Marie Kivi
Older Adults' Experiences Of Telephone-Delivered Behavioral Activation With Mental Imagery As A Treatment For Depression During The Covid-19 Pandemic: A Qualitative Study, Johnny Pellas, Mattias Damberg, Fritz Renner, Julie L Ji, Marie Kivi
School of Psychology
The COVID-19 pandemic prompted the use of telehealth interventions for treating depression in older adults. We conducted a pilot study of a telephone-based brief psychological intervention, Behavioral Activation with Mental Imagery (BA-MI), for the treatment of depression in isolated older adults during the COVID-19 pandemic. We achieved promising results regarding a reduction in depressive symptoms. The purpose of the present study was to investigate the participants' experiences of the intervention and provide insight into how the intervention could be improved. Fourteen participants aged 67-85 years that completed the BA-MI intervention were purposively selected and interviewed. The interviews were analyzed using …
Multimodal Person Evaluation: First Impressions From Faces, Voices, And Names, Mila Mileva
Multimodal Person Evaluation: First Impressions From Faces, Voices, And Names, Mila Mileva
School of Psychology
We form a first impression every time we meet someone unfamiliar to us. When this happens, we often have access to information about this person’s appearance, voice and the first thing we learn about them is usually their name. Despite this, much of what we know about social evaluation processes has been almost exclusively based on facial information. Here, approximately 45,000 spontaneous first impression descriptors were sampled to identify the most common judgements we make when presented with information about someone’s face, voice, and name at the same time as well as when presented with information about their voice or …
Nurturing Belonging: A Qualitative Study Of Participation In A Gardening Group For People Living With And Beyond Cancer, Melissa Jacobs, Kerryann Steele, Alison Warren
Nurturing Belonging: A Qualitative Study Of Participation In A Gardening Group For People Living With And Beyond Cancer, Melissa Jacobs, Kerryann Steele, Alison Warren
School of Health Professions
PurposeThe incidence of cancer is increasing globally and engagement in meaningful occupations is fundamental for people living with and beyond cancer. There is a growing body of evidence regarding the health and well-being benefits of engaging in nature-based occupations, however, there is limited evidence specific to this population. This study aims to explore the experiences of engaging in Blooming Well, a gardening group created to provide opportunities for people recovering from or living with cancer.Design/methodology/approachA qualitative case study methodology was used to explore perspectives of both group leaders and participants of the Blooming Well group. Study participants included two group …
Middle Meningeal Artery Embolization For Chronic Subdural Hematoma: Meta-Analysis Of Three Randomized Controlled Trials And Review Of Ongoing Trials., Gillespie Cs, M Veremu, Cook Wh, M Ashraf, Lee Ks, Y Chedid, Alam Am, Y Karepov, Davies Bm, E Edlmann, P Papanagiotou, S Korfias, T Santarius, A Kolias
Middle Meningeal Artery Embolization For Chronic Subdural Hematoma: Meta-Analysis Of Three Randomized Controlled Trials And Review Of Ongoing Trials., Gillespie Cs, M Veremu, Cook Wh, M Ashraf, Lee Ks, Y Chedid, Alam Am, Y Karepov, Davies Bm, E Edlmann, P Papanagiotou, S Korfias, T Santarius, A Kolias
Peninsula Medical School
Background: Middle Meningeal Artery Embolization (MMAE) has been proposed as adjunct and stand-alone treatment for Chronic Subdural Hematoma (CSDH). We aimed to meta-analyze three recently published randomized controlled trials, to reliably estimate the effect of MMAE. We also carried out a systematic review of ongoing trials and their key outcomes. Methods: A PRISMA-compliant meta-analysis was conducted (PROSPERO ID CRD42024618816). Three published RCTs (MAGIC-MT, EMBOLISE, and STEM) assessing MMAE in CSDH were included. Trial primary outcomes were pooled for analysis using random effects models. Primary and secondary outcomes (recurrence/surgical rescue, functional outcome) were obtained, stratified by treatment group (undergoing surgery, and …
Black Soldier Fly, Hermetia Illucens, Larvae Meal Improves Intestinal Health And Growth Performance Of Nile Tilapia, Oreochromis Niloticus, Juveniles, Sahya Maulu, Ben Eynon, Sherilyn Abarra, Mark Rawling, Daniel Merrifield
Black Soldier Fly, Hermetia Illucens, Larvae Meal Improves Intestinal Health And Growth Performance Of Nile Tilapia, Oreochromis Niloticus, Juveniles, Sahya Maulu, Ben Eynon, Sherilyn Abarra, Mark Rawling, Daniel Merrifield
School of Biological and Marine Sciences
This study investigated the effects of dietary black soldier fly (BSF) larvae, Hermetia illucens, meal on growth performance, feed utilization, intestinal health, and immune response in Nile tilapia, Oreochromis niloticus, juveniles. The fish (initial weight: 7.28 ± 0.09 g) were reared in a recirculatory aquaculture system (RAS) and fed diets containing different levels of defatted BSF larvae meal: 0% (control diet), 20% (BSF20), and 40% (BSF40). At the end of the feeding trial, the final body weight, weight gain, specific growth rate (SGR), protein efficiency ratio (PER), and feed conversion ratio (FCR) were significantly (p < 0.05) improved with increasing BSF meal inclusion levels in the diet. Histological analysis of the intestine revealed that mucosal fold length (MFL), muscularis thickness (MT), and goblet cell density (GCD) were significantly elevated by the BSF meal compared with the control. In addition, intraepithelial lymphocytes (IELs) and the enterocyte microvilli length were significantly elevated in BSF40-fed fish compared with the control. Gene expression analysis showed that intestinal chitin digestion-related (endochitinase A) and amino acid transporter (Slc6a18) genes were not significantly affected by the BSF meal. However, the expression of peptide transporter Slc15a1a was upregulated in the fish fed BSF40 compared to the control. Moreover, posterior intestine and head kidney cytokine (IL-1β, TNF-α, and IL-10) gene expression levels were not significantly affected by the inclusion of the BSF meal. Therefore, these results suggest that the BSF meal up to a 40% inclusion level can be used as an alternative protein source in the diets of Nile tilapia juveniles to promote growth and intestinal health.
Multi-Cohort Exploration Of Repetitive Element Transcription And Dna Methylation In Human Steatotic Liver Disease, Neil A. Youngson, Aikaterini Tourna, Timothy Chalmers, Kelly V. Prates, Josepmaria Argemi, Ramon Bataller, Koroush S. Haghighi, Lindsay E. Wu, Shilpa Chokshi, Peter Starkel, Patrick S. Western, Margaret J. Morris, Stephen M. Riordan
Multi-Cohort Exploration Of Repetitive Element Transcription And Dna Methylation In Human Steatotic Liver Disease, Neil A. Youngson, Aikaterini Tourna, Timothy Chalmers, Kelly V. Prates, Josepmaria Argemi, Ramon Bataller, Koroush S. Haghighi, Lindsay E. Wu, Shilpa Chokshi, Peter Starkel, Patrick S. Western, Margaret J. Morris, Stephen M. Riordan
Peninsula Medical School
Transposable elements (TEs) make up around half of the human genome. Their transcription is repressed in most somatic cells to maintain genome integrity and function. The repression is chiefly maintained by a combination of epigenetic modifications such as DNA methylation and histone modifications. However, recent research suggests that liver steatosis is associated with extensive changes to the hepatocyte epigenome. Furthermore, studies in mice have reported diet- and drug-induced changes to TE transcript levels in liver. The confirmation of these effects in human liver has not previously been undertaken. Here, we examined TE transcription in liver tissue from three patient cohorts …
Multifaceted Roles Of Guanylate-Binding Proteins In Cancer, Derin Ahmetoglu, Haoyi Zheng, Aaron Swart, Hua Zhu, Ming Li
Multifaceted Roles Of Guanylate-Binding Proteins In Cancer, Derin Ahmetoglu, Haoyi Zheng, Aaron Swart, Hua Zhu, Ming Li
Peninsula Medical School
No abstract provided.
Deprivation And Family-Level Determinants For Paediatric Dental Extractions Under General Anaesthetic: An Ecological Study, Joelle Booth, Martha Paisi, Robert Witton, Robert Nelder, G J Melendez-Torres
Deprivation And Family-Level Determinants For Paediatric Dental Extractions Under General Anaesthetic: An Ecological Study, Joelle Booth, Martha Paisi, Robert Witton, Robert Nelder, G J Melendez-Torres
Peninsula Dental School
Introduction Extraction of carious teeth is one of the most common reasons children in England are admitted to hospital.Aims To identify whether the Index Of Multiple Deprivation (IMD) and family-level determinants are associated with the number of children requiring dental extractions under general anaesthetic (DGA) and the number of teeth extracted. A secondary aim was to determine whether family-level associations provide additional insight into DGA beyond the IMD alone.Methods An ecological analysis was conducted using service provider data (made available by Plymouth City Council) on the number of children (aged 0-16 years) who had a DGA and the number of …
The ‘Un-Doing’ And ‘Re-Doing’ Of Nurses’ Derealisation: Exploring The Effects Of The Heroic Keyworker Discourses During The Covid-19 Pandemic, Anna Conolly, Emma Rowland, Ruth Abrams, Ruth Harris, Daniel Kelly, Bridie Kent, Keith Couper, Jill Maben
The ‘Un-Doing’ And ‘Re-Doing’ Of Nurses’ Derealisation: Exploring The Effects Of The Heroic Keyworker Discourses During The Covid-19 Pandemic, Anna Conolly, Emma Rowland, Ruth Abrams, Ruth Harris, Daniel Kelly, Bridie Kent, Keith Couper, Jill Maben
School of Nursing and Midwifery
Using, and extending, Butler’s theory of recognition and censorship, this article examines the way in which nurses’ subject positions were regulated in the transformative liminality of the COVID-19 pandemic, where normal matrices of power were ‘undone’ and new ones formed. During the pandemic, societal discourses regarding nurses shifted from treating them as less-than-human and their care-work invisible and unrecognised (derealised), to an elevated position where they became appreciated and treated as heroes, then reverting to a derealised state. As part of the building of subjectivities in this liminal period, nurses constructed boundaries against ‘unmoral’ others, either members of the public, …
Characterizing Power Profiles Of A Concentric Ring Multifocal Contact Lens For Myopia Management: A Novel Approach, Annabelle Mawhinney, Phillip Buckhurst, Craig Mcneile, Stephen Hall, Hetal Buckhurst
Characterizing Power Profiles Of A Concentric Ring Multifocal Contact Lens For Myopia Management: A Novel Approach, Annabelle Mawhinney, Phillip Buckhurst, Craig Mcneile, Stephen Hall, Hetal Buckhurst
School of Health Professions
This study presents a systematic method for characterizing power profiles of concentric ring multifocal contact lenses (MFCL), specifically the MiSight® lens used in myopia management, and evaluates the potential of Multivariate Adaptive Regression Spline (MARS) modelling to extrapolate profiles across a full dioptric range.Power profiles of eleven MiSight® lenses (−0.25D, then −1.00D to −10.00D in 1.00D steps) were measured using the NIMOevo® system. MiSight® lenses comprise four concentric zones, with zones 2 and 4 providing additional plus power. Centre thickness (CT) was measured using an immersive spectral-domain Optical Coherence Tomographer. Zonal boundaries were determined as asymptotes of a four-parameter sigmoidal …
Cauda Equina Syndrome: A Survey Of Guideline Utilisation In Primary Care In England, Jonathon Gill, Sue Greenhalgh, Jos M. Latour, Gillian Yeowell
Cauda Equina Syndrome: A Survey Of Guideline Utilisation In Primary Care In England, Jonathon Gill, Sue Greenhalgh, Jos M. Latour, Gillian Yeowell
School of Nursing and Midwifery
Background: Cauda equina syndrome (CES) is a spinal emergency. Over half of known cases first present to primary care for initial assessment. In February 2023, the Getting It Right First Time (GIRFT) national programme launched new CES guidelines, which included an important change in practice: a new urgent referral route. Aim: This study aims to explore the awareness and use of the GIRFT guidelines in a primary care setting in England. Design and Setting: A cross-sectional online survey was used to collect data from primary care clinicians working across England. Method: Using purposive sampling, the survey was shared with primary …
Thin And Ephemeral Snow Shapes Melt And Runoff Dynamics In The Peruvian Andes, Catriona L. Fyffe, Emily Potter, Evan Miles, Thomas E. Shaw, Michael Mccarthy, Andrew Orr, Edwin Loarte, Katy Medina, Simone Fatichi, Rob Hellström, Michel Baraer, Emilio Mateo, Alejo Cochachin, Matthew Westoby, Francesca Pellicciotti
Thin And Ephemeral Snow Shapes Melt And Runoff Dynamics In The Peruvian Andes, Catriona L. Fyffe, Emily Potter, Evan Miles, Thomas E. Shaw, Michael Mccarthy, Andrew Orr, Edwin Loarte, Katy Medina, Simone Fatichi, Rob Hellström, Michel Baraer, Emilio Mateo, Alejo Cochachin, Matthew Westoby, Francesca Pellicciotti
School of Geography, Earth and Environmental Sciences
The snow and glaciers of the Peruvian Andes provide vital water supplies in a region facing water scarcity and substantial glacier change. However, there remains a lack of understanding of snow processes and quantification of the contribution of melt to runoff. Here we apply a distributed glacio-hydrological model over the Rio Santa basin to disentangle the role of the cryosphere in the Andean water cycle. Only at the highest elevations (>5000 m a.s.l.) is the snow cover continuous; at lower elevations, the snowpack is thin and ephemeral, with rapid cycles of snowfall and melt. Due to the large catchment …
Expertise In Magicians - Testing The Insight Hypothesis., Gustav Kuhn, Alice Pailhès, Gg Cole
Expertise In Magicians - Testing The Insight Hypothesis., Gustav Kuhn, Alice Pailhès, Gg Cole
School of Psychology
Over the past two decades an abundance of research has examined the psychological mechanisms underpinning magic effects in order to gain new insights into human cognition. As part of this endeavour, it has been suggested that the experience of performing tricks in front of live audiences has given magicians unique insights. The aim of the present paper was to examine the nature of this expertise and investigate the extent to which magicians understand non-magicians’ beliefs about magic and the effectiveness of specific magic principles. In Experiment 1 we describe the skills that magicians believe make them experts, and the type …
Combining Remote And Collaborative Research: A Critical Reflection On Large-Scale, Comparative, And Interdisciplinary Research In Times Of A Global Crisis, Ferdiansyah Thajib, Thomas Stodulka, Patricia Kanngiesser, Daniel Haun, Jahnavi Sunderarajan, Magie Junker, Tongtong Meng, Wanting Sun, Zhen Zhang, Sandra Masaquiza, Monika Swastyastu, Desri Julita Taek, Arianna Abis, Disney Tjizao, Denis Chishala, Ljubica Petrović, Blanca Striegler, Janina Weyrowitz, Bernardo Arroyo-Garcia, Katja Liebal
Combining Remote And Collaborative Research: A Critical Reflection On Large-Scale, Comparative, And Interdisciplinary Research In Times Of A Global Crisis, Ferdiansyah Thajib, Thomas Stodulka, Patricia Kanngiesser, Daniel Haun, Jahnavi Sunderarajan, Magie Junker, Tongtong Meng, Wanting Sun, Zhen Zhang, Sandra Masaquiza, Monika Swastyastu, Desri Julita Taek, Arianna Abis, Disney Tjizao, Denis Chishala, Ljubica Petrović, Blanca Striegler, Janina Weyrowitz, Bernardo Arroyo-Garcia, Katja Liebal
School of Psychology
This paper examines the methodological and ethical challenges of conducting remoteresearch on child-animal relationships across thirty communities in seventeen countriesduring the COVID-19 pandemic. It critically assesses remote research as a mode ofcollaboration informed by decolonial aspirations, highlighting the complexities of navigatingtemporal and geographical distances, mitigating global inequalities, and addressing politicaland methodological tensions at the intersection of psychological anthropology and crosscultural developmental psychology. By engaging with these challenges, the paper fosterscritical dialogue on research ethics and methodologies between anthropology andpsychology, advancing a broader intellectual engagement toward translocal equity
Seasonal Vertical Migration Of Large Polar Copepods Reinterpreted As A Dispersal Mechanism Throughout The Water Column, Katie Jones, Giuliano Laudone, Katrin Schmidt, Barbara Niehoff, Astrid Cornils, Wilhelm Hagen, Hauke Flores, Céline Heuzé, Nahid Welteke, Sabrina Dorschner, Matthias Woll, Robert G. Campbell, Carin J. Ashjian, Cecilia E. Gelfman, Katyanne M. Shoemaker, Rebecca Jenkins, Benoit Lebreton, Gael Guillou, Clara J.M. Hoppe, Serdar Sakinan, Fokje L. Schaafsma, Nicole Hildebrandt, Giulia Castellani, Simon Belt, Allison A. Fong, Angus Atkinson, Martin Graeve
Seasonal Vertical Migration Of Large Polar Copepods Reinterpreted As A Dispersal Mechanism Throughout The Water Column, Katie Jones, Giuliano Laudone, Katrin Schmidt, Barbara Niehoff, Astrid Cornils, Wilhelm Hagen, Hauke Flores, Céline Heuzé, Nahid Welteke, Sabrina Dorschner, Matthias Woll, Robert G. Campbell, Carin J. Ashjian, Cecilia E. Gelfman, Katyanne M. Shoemaker, Rebecca Jenkins, Benoit Lebreton, Gael Guillou, Clara J.M. Hoppe, Serdar Sakinan, Fokje L. Schaafsma, Nicole Hildebrandt, Giulia Castellani, Simon Belt, Allison A. Fong, Angus Atkinson, Martin Graeve
School of Geography, Earth and Environmental Sciences
Seasonal vertical migration of large lipid-rich copepods is often described as a mass descent of animals when primary production ceases, with important implications for mesopelagic food webs and global carbon sequestration. This view ignores the existence of surface-resident individuals, but here we show that non-migrants can form a substantial part of the populations of polar migrant species. In the Central Arctic Ocean, the biomass-dominant Calanus hyperboreus was evenly distributed throughout the water column from November 2019 to March 2020, with ~20% of subadults and adult females remaining in the upper 200 m and ~41% migrating to 1000–2000 m. These vertical …
Marking Tidetime: Mudlarking As Intertidal Performance, Sarah Blissett
Marking Tidetime: Mudlarking As Intertidal Performance, Sarah Blissett
School of Art, Design and Architecture
No abstract provided.
Using “Ways Of Thinking And Practising” To Analyse Final Year Medical Student Reflections And Underlying Concepts In Preparedness For Practice, Rachel Leyland, Hilary Neve, Elizabeth Drake, Tracey Collett
Using “Ways Of Thinking And Practising” To Analyse Final Year Medical Student Reflections And Underlying Concepts In Preparedness For Practice, Rachel Leyland, Hilary Neve, Elizabeth Drake, Tracey Collett
Peninsula Medical School
Introduction: Ensuring that medical students are prepared for future practice is challenging for all medical schools. Most studies of preparedness involve newly qualified doctors and use quantitative methods such as self-report surveys focused on defined competencies, and often find graduates are unprepared for the complex and challenging areas of real-world practice. Qualitative methods, using conceptual ideas linked to learning such as ‘Ways of Thinking and Practising’ (WTP) are little explored in this area but could offer rich and useful insights about graduates’ preparedness. WTP recognises that, in addition to specific knowledge and skills, students need to understand the complex links …
Analytical Modelling Of Chloride Diffusion In Circular Section Concrete Columns With Binding Effects, Zaiwei Li, Long Yuan Li
Analytical Modelling Of Chloride Diffusion In Circular Section Concrete Columns With Binding Effects, Zaiwei Li, Long Yuan Li
School of Engineering, Computing and Mathematics
– Reinforced concrete structures in marine environments face significant durability challenges due to chloride-induced corrosion of the steel reinforcement. Understanding and modelling chloride ingress are critical for the prediction of the service life of these structures. This study presents an analytical model for chloride diffusion in circular section concrete columns, addressing a critical gap in existing research by incorporating the effects of chloride binding. The model employs a bilinear chloride binding isotherm to derive an analytical solution in cylindrical coordinates, which captures the nonlinear interaction between free and bound chlorides. Validation is performed by comparing the model's predictions with numerical …
Developing Human-Autonomy Teaming Strategies For Maritime Cyber Security Resilience In Uncrewed Autonomous And Remote Surface Vessel Operations, Juan Palbar Misas, Kimberly Tam, Kevin Jones
Developing Human-Autonomy Teaming Strategies For Maritime Cyber Security Resilience In Uncrewed Autonomous And Remote Surface Vessel Operations, Juan Palbar Misas, Kimberly Tam, Kevin Jones
School of Engineering, Computing and Mathematics
The development of new technologies and digital capabilities for Uncrewed Autonomous and Remote Surface Vessel Operations (UARSVO) is driven by various industry stakeholders. This evolution impacts the maritime industry's human role, transforming from Human-Autonomy Hybrid (HAH) to Human-Autonomy Teaming (HAT). Human-Autonomy Collaboration (HAC) is vital for maritime safety, security, and sustainability, particularly in light of increasing cyber incidents in remote operations, which necessitates greater cyber resilience due to technology at sea and ashore. This paper aims to provide a holistic socio-technical approach to investigate and present an overview of the current state-of-the-art research, focusing on the human perspective in maritime …
Ccp-Wsi Blind Test Series 5: Numerical Investigation Of Isothermal Sloshing In A Circular Tank Using Openfoam, Scott Brown, Vivek Francis, Stuart Colville, Deborah Greaves, Ignacio Pregnan Johanessen
Ccp-Wsi Blind Test Series 5: Numerical Investigation Of Isothermal Sloshing In A Circular Tank Using Openfoam, Scott Brown, Vivek Francis, Stuart Colville, Deborah Greaves, Ignacio Pregnan Johanessen
School of Engineering, Computing and Mathematics
Sloshing dynamics in partially filled tanks is a critical concern across various engineering disciplines, including maritime, aerospace, automotive, and industrial applications. This work concerns a series of sloshing test cases using computational fluid dynamics and represents an individual contribution to the CCP-WSI Blind Test Series 5, in which the submitted results are compared against both physical and alternative numerical solutions. Free surface and centre of gravity measurements are presented and the sensitivity to crucial numerical techniques such as turbulence modelling are assessed. Results suggest that capturing the onset of excitation is particularly sensitive to the choice of turbulence model and …
The Density Of Virgin, Consumer And Environmental Plastics: An Investigation Using Gas Displacement Pycnometry, Andrew Turner, Katie Jones, Montserrat Filella
The Density Of Virgin, Consumer And Environmental Plastics: An Investigation Using Gas Displacement Pycnometry, Andrew Turner, Katie Jones, Montserrat Filella
School of Geography, Earth and Environmental Sciences
Density is a fundamental property of plastics and is particularly significant in determining the transport and fate of waste plastics that enter aquatic systems. However, densities are rarely determined in the environmental literature and values employed for modelling or impacts are often unsourced or derived from secondary databases. In this study, we employ helium displacement pycnometry to determine the skeletal densities of non-porous plastics whose polymer composition had been established from manufacturer's data, resin codes or Fourier transform infrared spectrometry. Two independent, collaborative laboratories, providing measurements within 3.5 % of each other and with precisions of <1 % (as relative standard deviation), analysed a total of 42 virgin, consumer and environmental plastics consisting of ten common polymer types. Measured densities of plastics in all categories, and most notably for polybutylene terephthalate, polyethylene terephthalate, polypropylene and polyvinyl chloride, were often outside the ranges reported by a comprehensive online resource. Possible reasons for discrepancies include the occurrence of dense additives (evaluated by X-ray fluorescence analysis), the presence of inaccessible microscopic pores below a laminated surface, contamination of the main polymer by a secondary one, and structural changes on weathering. Regardless of precise causes, most results suggest that individual polymers have a broader range of densities than is generally published or considered in the literature. Accordingly, and in particular where buoyancy is critical, more precise, sample-specific measurements are recommended.