Digital Commons Network^™

Investigation Of Campylobacter Concisus Gastric Epithelial Pathogenicity Using Ags Cells, Christopher Y. M. Luk, Seul A. Lee, Nicholas Naidovski, Fang Liu, Alfred C. Y. Tay, Liang Wang, Stephen Riordan, Li Zhang

Research outputs 2022 to 2026

Campylobacter concisus is an oral bacterium. Recent studies suggest that C. concisus may be involved in human gastric diseases. The mechanisms, however, by which C. concisus causes human gastric diseases have not been investigated. Here we examined the gastric epithelial pathogenicity of C. concisus using a cell culture model. Six C. concisus strains and the human gastric epithelial cell line AGS cells were used. IL-8 produced by AGS cells after incubation with C. concisus was measured using enzyme-linked immunosorbent assay (ELISA), and AGS cell apoptosis was determined by caspase 3/7 activities. The effects of C. concisus on actin arrangement in …

Staff Perceptions On The Effectiveness Of Grip-S, A New Approach To Clinical Supervision Incorporating Safewards: An Interpretive Phenomenological Analysis, Jennifer Hamilton, Amanda Cole, Richard Bostwick, Irene Ngune

Research outputs 2022 to 2026

This study explored the impact of an innovative approach to clinical supervision for mental health nurses which integrates Safewards, named Group Reflective integrated Practice with Safewards–GRiP-S. Qualitative data was collected through 10 individual semi-structured interviews with nursing staff who had participated within the clinical supervision approach. Interviews provided insights into the nursing staff’s perception and experience of the clinical supervision approach. Through interpretive phenomenological analysis six themes emerged (i) illuminating embodied practice of Safewards, (ii) building confidence through empowering connections, (iii) creating a culture of positive change, (iv) identifying internal motivation for and external barriers to supervision engagement, (v) navigating …

Fluid Biomarkers In Cerebral Amyloid Angiopathy, Seyed M. Savar, Bin Ma, Eugene Hone, Farzana Jahan, Shaun Markovic, Steve Pedrini, Soudabeh Shemehsavar, Vandhana Easwaran, Kevin Taddei, Samantha Gardener, Jasmeer P. Chhatwal, Ellis S. Van Etten, Matthias J. P. Van Osch, Daniel Clarke, Anastazija Gnjec, Mark A. Van Buchem, Marieke J. H. Wermer, Graeme J. Hankey, Steven M. Greenberg, Ralph N. Martins, Hamid R. Sohrabi

Research outputs 2022 to 2026

Cerebral amyloid angiopathy (CAA) is a type of cerebrovascular disorder characterised by the accumulation of amyloid within the leptomeninges and small/medium-sized cerebral blood vessels. Typically, cerebral haemorrhages are one of the first clinical manifestations of CAA, posing a considerable challenge to the timely diagnosis of CAA as the bleedings only occur during the later disease stages. Fluid biomarkers may change prior to imaging biomarkers, and therefore, they could be the future of CAA diagnosis. Additionally, they can be used as primary outcome markers in prospective clinical trials. Among fluid biomarkers, blood-based biomarkers offer a distinct advantage over cerebrospinal fluid biomarkers …

The Quest For Continuous Quality Improvement In Australian Long Day Care Services: Getting The Most Out Of The Assessment And Rating Process, Susan L. Irvine, Lennie Barblett, Manjula Waniganayake, Fay Hadley, Rebecca Andrews, Maria Hatzigianni, Hui Li, Leanne Lavina, Linda J. Harrison, Belinda Davis

Research outputs 2022 to 2026

The National Quality Framework (NQF) was intended to drive continuous improvement in education and care services in Australia. Ten years into implementation, the effectiveness of the NQF is demonstrated by steady improvements in quality as measured against the National Quality Standard (NQS). The process of assessing and rating services is a key element in the NQF, drawing together regulatory compliance and quality assurance. This paper draws on findings from a national Quality Improvement Research Project investigating the characteristics, processes, challenges and enablers of quality improvement in long day care services, concentrating on Quality Area 1 Educational program and practice and …

Music As A Determinant Of Health Among First Nations People In Australia: A Scoping Narrative Review, Brigitta Scarfe, Kristy Apps, Naomi Sunderland, Phil Graham, Brydie Leigh Bartleet, Glenn Barry, Darren Garvey, Rae Cooper, Clint Bracknell

Research outputs 2022 to 2026

Issue Addressed:

While social determinants frameworks are still popular in research about First Nations health in Australia, a growing body of research prefers cultural determinants of health models. Cultural determinants models provide a holistic, strength-based framework to explain connections between health and contextual factors, including the potential role of music and its impact on social and emotional well-being. Given the growing international recognition of links between music, health, and wellbeing through bodies such as the World Health Organisation, this article examines whether and how music practices are acknowledged in First Nations determinants of health literature.

Methods:

We conducted a scoping …

Rationale, Design, And Baseline Characteristics Of Participants In The Health@Nus Mhealth Augmented Cohort Study Examining Student-To-Work Life Transition: Protocol For A Prospective Cohort Study, Xin Hui Chua, Sarah Martine Edney, Andre Matthias Müller, Nicholas A. Petrunoff, Clare Whitton, Zoey Tay, Claire Marie Jie Lin Goh, Bozhi Chen, Su Hyun Park, Salome A. Rebello, Alicia Low, Janelle Chia, Daphne Koek, Karen Cheong, Rob M. Van Dam, Falk Müller-Riemenschneider

Research outputs 2022 to 2026

Background: Integration of mobile health data collection methods into cohort studies enables the collection of intensive longitudinal information, which gives deeper insights into individuals’ health and lifestyle behavioral patterns over time, as compared to traditional cohort methods with less frequent data collection. These findings can then fill the gaps that remain in understanding how various lifestyle behaviors interact as students graduate from university and seek employment (student-to-work life transition), where the inability to adapt quickly to a changing environment greatly affects the mental well-being of young adults. Objective: This paper aims to provide an overview of the study methodology and …

Visitor Attitude To Tourism Destinations: A Critical Review And Future Research Agenda, Arghavan Hadinejad, Brent D. Moyle, Anna Kralj, Nick Noghan, Noel Scott, Sarah Gardiner

Research outputs 2022 to 2026

Visitor attitude is fundamental to destination selection in the tourism literature. Yet, there remains a notable dearth of critical reviews to assess the current status of knowledge on the topic. This study, therefore, seeks to map and critically evaluate the state of visitor attitudinal research to set the agenda for future scholarly enquiry. A review of journal articles on the topic in four leading tourism journals was undertaken. To critically explore the literature and identify research trends, a paradigm funnel approach was used. The findings demonstrate that most studies on the topic are based on empirical research and specific theories, …

Icts Influence On Knowledge Sharing In Higher Education: A Pre-Ai Systematic Literature Review, Nirved Kumar, Elizabeth J. Cook, Sehkar Fayda-Kinik, Lela Maisuradze

Research outputs 2022 to 2026

Digital transformation, through innovation in information and communication technologies (ICTs), impacts higher education (HE) and fosters knowledge sharing (KS). While research explores the implications of digital transformation in HE, its specific influence on KS remains understudied. This systematic literature review investigates the nexus between ICTs and KS in HE by examining peer-reviewed literature prior to the AI boom. Three databases were searched, yielding 473 journal articles, which were screened, eligibility checked and assessed for quality and relevance to predetermined research questions. Eighteen eligible empirical studies were analysed, revealing ICTs influence on KS across university functions: teaching-learning, governance/operations and research. Retrospectively, …

National Cyber Security Licence Consultation Report: Stakeholder Consultation Workshops Consolidated Feedback Held Oct – Nov 2023, Nicola F. Johnson, Leslie F. Sikos, Ahmed Ibrahim, Marnie Mckee

Research outputs 2022 to 2026

The consultation workshops invited stakeholders to join a roundtable environment to comment on and discuss the Consultation Paper, shared by Project Lead Associate Professor Nicola Johnson, Edith Cowan University (ECU) in October 2023. The purpose of the Consultation Paper was to identify whether stakeholders agreed that the national cyber security licence the Research Team had developed to date was a best solution towards addressing K-12 students’ cyber security education needs, which was found to not presently be sufficient (see Johnson et al., 2022). Eight workshops were conducted over a month-long period held October to November 2023. 250 invitations were sent …

Capital, Labour And Currency: Book Love In The Economy Of Young Adult Publishing, Katya Johanson, Bronwyn Reddan, Donald Matheson, Leonie Rutherford

Research outputs 2022 to 2026

This article examines the relationship between emotion, production and sales in the book publishing industry, specifically how ‘book love’ operates in the publication and promotion of Young Adult (YA) titles. Through interviews conducted in 2020–2023, the article examines how commissioning editors, booksellers and associated professionals in Australia experience and use emotion in their production and sale of YA titles. It argues that emotion plays three economic roles in the intersubjective transferral of ‘book love’ through the chain of production, distribution and sales. Australian industry professionals mobilize book love as capital, as labour and as currency in fulfilling the expectations of …

Ghanaian Values In Motion: A Content Analysis Of Slogans On Commercial Vehicles In Accra, Abraham Kenin, Vivian Dzokoto, Annabella Osei-Tutu, Kwabena Asamoah-Gyadu

Research outputs 2022 to 2026

Slogans on commercial vehicles are a common sight in Ghana. These material artefacts can provide insight into beliefs and values about the sociocultural, spiritual, and political experiences of life in the contemporary Ghanaian context. In this study, we collected and analysed a total of 438 commercial vehicles’ slogans from 5 main transportation terminals in the Accra metropolitan area. Our thematic analysis of these slogans shows a major emphasis on religious and spiritual values to the extent that most of the recorded slogans serve as positive affirmations of religious values and sources of spiritual encouragement. The dominance of religious references in …

Learning Collective Care To Support Young Climate Justice Advocates, Kylie Wrigley, Georgia Beardman, Jaime Yallup Farrant, Naomi Joy Godden, Caleb Faulkner Hill, Emma Heyink, Eva Carot Collins, Hannah Davies, Shelby Robinson

Research outputs 2022 to 2026

Young people mitigate their climate distress, develop their efficacy, and contribute to the effectiveness of climate movements through activism. However, they are often excluded from adult-led climate movements and exposed to a number of risks when they do participate. In this context, this participatory action research study draws on multiple care theories to offer collective care praxis through which adults and young people might co-create more care-full and safe climate justice movements capable of supporting, sustaining, and sharing power with young people. The study examines how 13 young and three adult co-researchers learned about and applied collective care through a …

The Value Of Work For Doctors In Pakistan: Towards A Framework For Ensuring Decent Work, Abid Hussain, Esme Franken, Tim Bentley, Uma Jogulu

Research outputs 2022 to 2026

The critical frontline work of doctors in Pakistan was overlooked and undervalued by the government, hospitals, and the public during the COVID-19 pandemic. Media reports and studies highlight that public sector doctors in Pakistan facing new societal, professional, and organisational challenges, compunding to the inherent demands of workpotentially leading to its undervaluation. This study, explores how the work of doctors is (under)valued in Pakistan’s public sector hospitals, and how this aligns to the underpinnings of decent work. 27 semi structured in-depth interviews were conducted with doctors in Pakistan’s public sector hospitals. We found that serving others, recognition and appreciation, and …

Young Children And The Creation Of A Digital Identity On Social Networking Sites: Scoping Review, Valeska Berg, Diana Arabiat, Evalotte Morelius, Lisa Kervin, Maggie Zgambo, Suzanne Robinson, Mark Jenkins, Lisa Whitehead

Research outputs 2022 to 2026

Background:

There is limited understanding of the concept of the digital identity of young children created through engagement on social networking sites.

Objective:

The objective of this scoping review was to identify key characteristics of the concept of digital identity for children from conception to the age of 8 years on social networking sites.

Methods:

This scoping review was conducted using the PRISMA-ScR (Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews) guidelines. The key databases searched were EBSCO, Web of Science, ProQuest ERIC, and Scopus. Gray literature sources (National Grey Literature Collection, ProQuest Dissertations and Theses, …

Achieving Covert Communication With A Probabilistic Jamming Strategy, Xun Chen, Fujun Gao, Min Qiu, Jia Zhang, Feng Shu, Shihao Yan

Research outputs 2022 to 2026

In this work, we consider a covert communication scenario, where a transmitter Alice communicates to a receiver Bob with the aid of a probabilistic and uninformed jammer against an adversary warden's detection. The transmission status and power of the jammer are random and follow some priori probabilities. We first analyze the warden's detection performance as a function of the jammer's transmission probability, transmit power distribution, and Alice's transmit power. We then maximize the covert throughput from Alice to Bob subject to a covertness constraint, by designing the covert communication strategies from three different perspectives: Alice's perspective, the jammer's perspective, and …

Acidophile Microbiology: From Extreme Environments To Biotechnological Applications, Elizabeth L.J. Watkin, Ivan Nancucheo, Axel Schippers

Research outputs 2022 to 2026

No abstract provided.

Assessing The Impact Of Geochemical Mechanism And Interpolation Factor Selection On The Precision Of Low-Salinity Waterflooding Modelling: A Comparative Study, Malek Jalilian, Sedigheh Mahdavi, Peyman Pourafshary, Zheinjiang You, Amir H. Mohammadi

Research outputs 2022 to 2026

The efficacy of low salinity waterflooding (LSWF) as an enhanced oil recovery (EOR) method in carbonate formations has been well established; however, its geochemical modelling in such reservoirs remains insufficiently explored. This study aims to bridge this gap by conducting a comparative analysis of three well-recognised geochemical mechanisms including fines migration, rock dissolution/precipitation, and multi-ion exchange (MIE). Our research encompasses two parts: experimental and modelling. First, we conducted four coreflooding experiments to study the effect of LSWF on oil recovery in core scale as well as on rock wettability by measuring the contact angle of the crude oil-brine-rock system. In …

Grain Boundary Engineering: An Emerging Pathway Toward Efficient Electrocatalysis, Xiaomin Xu, Yijun Zhong, Magdalena Wajrak, Tejas Bhatelia, San Ping Jiang, Zongping Shao

Research outputs 2022 to 2026

Electrochemical transformation processes involving carbon, hydrogen, oxygen, nitrogen, and small-molecule chemistries represent a promising means to store renewable energy sources in the form of chemical energy. However, their widespread deployment is hindered by a lack of efficient, selective, durable, and affordable electrocatalysts. Recently, grain boundary (GB) engineering as one category of defect engineering, has emerged as a viable and powerful pathway to achieve improved electrocatalytic performances. This review presents a timely and comprehensive overview of recent advances in GB engineering for efficient electrocatalysis. The beneficial effects of introducing GBs into electrocatalysts are discussed, followed by an overview of the synthesis …

Identifying And Promoting Qualitative Methods For Impact Assessment, Heidi Walker, Jenny Pope, Angus Morrison-Saunders, Alan Bond, Alan P. Diduck, A. John Sinclair, Brendan Middel, Francois Retief

Research outputs 2022 to 2026

Qualitative methods for impact assessment (IA) represent a broad spectrum of approaches that are important for realising effective IA practice. The purpose of this paper is to identify and promote qualitative methods that are available for use in contemporary and future (next-generation) IA processes. From an extensive literature review, an international survey (145 responses), expert interviews (48 interviewees), and a workshop attended by 27 IA practitioners, 17 qualitative method categories were identified. These were further subdivided into three classes: conventional qualitative methods, highly participatory methods, and mixed methods. Each method is described, and an indication given of how each can …

Regulating Gender Diversity: Evidence From California Senate Bill 826, Abigail Allen, Aida Wahid

Faculty Publications

Do gender diversity quotas enhance firm value? This broad question has sparked significant debate because while diversity is generally thought to improve board functioning, prior research in international settings suggests mandating diversity may have adverse consequences if it moves firms away from market equilibrium. Exploiting the political events leading up to the passage of California Senate Bill 826 as an exogenous shock to assess the market implications of board gender composition, we document either significantly positive or insignificant 2-day abnormal returns for California firms across a variety of model specifications. Importantly, this finding contradicts the strong claims of contemporary studies …

Development Of A Framework Of Key Internal Control And Governance Principles For Robotic Process Automation (Rpa), Marc Eulerich, Nathan Waddoups, Martin Wagener, David A. Wood

Faculty Publications

Although robotic process automation (RPA) usage is growing rapidly in accounting, concerns are emerging regarding the internal controls and overall governance structure surrounding RPA. To help address these concerns, we use a design science research approach and work with a Fortune 500 company to develop an RPA governance framework. The framework consists of 4 governance areas and 14 control requirements, which help maximize the benefits and minimize the risks associated with the use of RPA. We validate that the framework is useful and generalizable to many organizations by presenting the framework to and subsequently interviewing and surveying 84 professionals at …

Managing Digital Assets On Death And Disability: An Examination Of The Determinants Of Digital Asset Planning Literacy, Adam Steen, Chris Graves, Steven D’Alessandro, Henry X. Shi

Research outputs 2022 to 2026

Despite its increasing importance, digital financial literacy (DFL) is yet to be adequately understood. This article reports on one aspect of DFL, namely, digital asset planning literacy (DAPL) which is an individual’s awareness of what happens to their digital assets on their death or incapacity. Our results from Australia and Singapore suggest that single, less-educated women are less likely to possess DAPL, and that the number of digital assets is negatively associated with DAPL, while having a Will is positively related to DAPL. With this study, we put forward that financial education should include consumer rights regarding digital financial assets. …

Suboptimal Health Status, Covid-19 Psychology, And Cultural Value Impact On Post-Pandemic Outbound Travel, Danni Zheng, Yangyang Jiang, Jun Wen, Ian Phau, Haifeng Hou, Wei Wang

Research outputs 2022 to 2026

Suboptimal health has become a core public health challenge, especially during the pandemic. This study adopts an interdisciplinary perspective to examine the relationships between suboptimal health status, COVID-19 fear and stress, cultural values, and outbound travel. A theoretical model was evaluated using data from 800 Beijing residents, 439 of whom were in suboptimal health. Four dimensions of suboptimal health (fatigue, mental status, immune system, and cardiovascular system) significantly affected COVID-19 stress and fear. Post-pandemic travel intention was positively related to fatigue symptoms and leisure and life enjoyment but negatively associated with COVID-19 stress. Suggestions for highlighting travellers’ health status and …

Segmented Fiber Optic Sensors Based On Hybrid Microwave-Photonic Interrogation, Wassana Naku, Osamah Alsalman, Jie Huang, Chen Zhu

Electrical and Computer Engineering Faculty Research & Creative Works

In this paper, we propose and demonstrate a novel concept of segmented fiber optic sensors by integrating the fiber Bragg grating (FBG) reflector modality and a hybrid interrogation technique enabled by microwave photonics. As a proof of concept, a radiofrequency Fabry-Perot interferometer (FPI) based on an optical fiber with two FBGs as the two reflectors of the Fabry-Perot (FP) cavity is constructed. By measuring the frequency response of the FPI device followed by a joint-time-frequency-domain analysis, the interferogram of the FPI in the microwave domain and the time-domain signal of the FBGs can be unambiguously reconstructed. Thus, the two elements …

A Novel Physics-Assisted Genetic Algorithm For Decoupling Capacitor Optimization, Li Jiang, Ling Zhang, Shurun Tan, Da Li, Chulsoon Hwang, Jun Fan, Er Ping Li

Electrical and Computer Engineering Faculty Research & Creative Works

This article proposes a new physics-assisted genetic algorithm (PAGA) for decoupling capacitor (decap) optimization in power distribution networks (PDNs), which is a highly efficient approach to minimizing the number of decaps within an enormous search space. In the proposed PAGA method, the priority of the decap ports is first determined based on their physical loop inductances. Then, an initial solution is quickly obtained by placing decaps sequentially on the port with the highest priority. Subsequently, a GA with prior physical knowledge is developed to find better decap solutions progressively. A port removal scheme that eliminates the low-priority ports and a …

Electromagnetic-Circuital-Thermal-Mechanical Multiphysics Numerical Simulation Method For Microwave Circuits, Huan Huan Zhang, Zheng Lang Jia, Peng Fei Zhang, Ying Liu, Li Jun Jiang, Da Zhi Ding

Electrical and Computer Engineering Faculty Research & Creative Works

An electromagnetic-circuital-thermal-mechanical Multiphysics numerical method is proposed for the simulation of microwave circuits. The discontinuous Galerkin time-domain (DGTD) method is adopted for electromagnetic simulation. The time-domain finite element method (FEM) is utilized for thermal simulation. The circuit equation is applied for circuit simulation. The mechanical simulation is also carried out by FEM method. A flexible and unified Multiphysics field coupling mechanism is constructed to cover various electromagnetic, circuital, thermal and mechanical Multiphysics coupling scenarios. Finally, three numerical examples emulating outer space environment, intense electromagnetic pulse (EMP) injection and high-power microwave (HPM) illumination are utilized to demonstrate the accuracy, efficiency, and …

The Impact Of Corporate Disclosure And Website Informativeness On Enhancing Corporate Governance And Performance, Ahmad Saiful Azlin Puteh Salin, Zubaidah Ismail, Malcolm Smith

Research outputs 2022 to 2026

This study aims to investigate how transparency affects the company’s performance. Transparency in corporate governance is crucial to prevent misconduct, encourage accountability, and integrity, and ultimately, enhance sustainable performance in businesses. In contrast, inadequate disclosure of information can lead to business scandals and fraud, diminishing trust in institutions, harming stakeholders, and adversely affecting the entire economy (Salin et al., 2019). The study measures transparency through firm disclosure policy and website informativeness. This study employs archival analysis of the annual reports of the top 500 publicly listed firms in Malaysia based on market capitalization. Nine items were created to assess the …

Work-Integrated Learning In The Humanities, Arts And Social Sciences: Where To From Here?, Denise Jackson, Elizabeth Cook

Research outputs 2022 to 2026

Amidst increasing pressures on Humanities, Arts, and Social Sciences (HASS) disciplines regarding graduate career readiness, this study examines HASS student participation in work-integrated learning (WIL) and its impacts on employability and short-term employment outcomes, using data from the Australian Graduate Outcomes Survey from 2020 to 2023. The research examined the extent of participation across WIL types (work-based, non-workplace and global) and its influence on graduates’ perceived employability and employment outcomes (full-time employment and perceived overqualification), while investigating demographic differences using descriptive analysis and logistic regression models. Results indicated rising WIL participation yet identified disparities by activity type and among student …

Authentic Leadership: 20-Year Review Editorial, Andrei A. Lux, Kevin B. Lowe

Research outputs 2022 to 2026

Our field has reached a critical juncture. Authentic leadership, which once promised to illuminate how leaders inspire and influence through genuine actions, has become mired in conceptual ambiguity and ideological bias. Much of the research is based on evaluations of behaviour conflated with antecedents and outcomes, presuming an oversimplified, positive view of authenticity. To advance, we must refocus on what authentic leaders actually do – their discrete behaviours – as signals of leadership. In this editorial, we redefine authentic leadership through signalling theory to address unresolved critiques and provide a platform for meaningful progress. We then summarise and synthesise the …

Collecting And Classifying Data On Audience Identity: The Cultural Background Of Festival Audiences, Katya Johanson, Hilary Glow, Mark Taylor

Research outputs 2022 to 2026

This article investigates the issues and tensions involved in collecting data from audiences to describe their diversity. It uses data collected as part of a survey of festival audiences to examine (1) how people choose to describe their identity in an open-text question and (2) how classifying complex responses to questions about ethnic or cultural background has implications for analysis. First, data provided through an open-text question in the festival survey were used to establish two classification systems. The results show patterns in the relationship between how people choose to identify themselves and their arts knowledge and appetite. It also …