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Articles 1501 - 1530 of 20029
Full-Text Articles in Entire DC Network
The Running Performance Of Elite Ladies Gaelic Football With Respect To Position And Halves Of Play, Shane Malone, Aideen Mcguinness, John David Duggan, Amy Murphy, Kieran Collins, Cliodhna O'Connor
The Running Performance Of Elite Ladies Gaelic Football With Respect To Position And Halves Of Play, Shane Malone, Aideen Mcguinness, John David Duggan, Amy Murphy, Kieran Collins, Cliodhna O'Connor
Articles
The current investigation aimed to examine the running performance of elite Ladies Gaelic football (LGF) match-play and establish the within game positional profile, in addition to the running performance of players across halves of play.
Methods
GPS technology was used to examine the running performance of thirty-three (n = 33) elite LGF players (age; 23 ± 5 years, height; 173 ± 5 cm, body mass; 63 ± 4 kg). Across the duration of the observational period, one hundred and thirty-one (n = 131) individual samples were collected over 15 competitive matches. Data were classified based on positional line …
Enhancing Zero‑Shot Action Recognition In Videos By Combining Gans With Text And Images, Kaiqiang Huang, Luis Miralles-Pechuán, Susan Mckeever
Enhancing Zero‑Shot Action Recognition In Videos By Combining Gans With Text And Images, Kaiqiang Huang, Luis Miralles-Pechuán, Susan Mckeever
Articles
Zero-shot action recognition (ZSAR) tackles the problem of recognising actions that have not been seen by the model during the training phase. Various techniques have been used to achieve ZSAR in the field of human action recognition (HAR) in videos. Techniques based on generative adversarial networks (GANs) are the most promising in terms of performance. GANs are trained to generate representations of unseen videos conditioned on information related to the unseen classes, such as class label embeddings. In this paper, we present an approach based on combining information from two different GANs, both of which generate a visual representation of …
Structural And Spectroscopic Study Of New Copper(Ii) And Zinc(Ii) Complexes Of Coumarin Oxyacetate Ligands And Determination Of Their Antimicrobial Activity, Muhammad Mujahid, Natasha Trendafilova, Georgina Rosair, Kevin Kavanagh, Maureen Walsh, Bernadette Creaven, Ivelina Georgieva
Structural And Spectroscopic Study Of New Copper(Ii) And Zinc(Ii) Complexes Of Coumarin Oxyacetate Ligands And Determination Of Their Antimicrobial Activity, Muhammad Mujahid, Natasha Trendafilova, Georgina Rosair, Kevin Kavanagh, Maureen Walsh, Bernadette Creaven, Ivelina Georgieva
Articles
Tackling antimicrobial resistance is of increasing concern in a post-pandemic world where overuse of antibiotics has increased the threat of another pandemic caused by antimicrobial-resistant pathogens. Derivatives of coumarins, a naturally occurring bioactive compound, and its metal complexes have proven therapeutic potential as antimicrobial agents and in this study a series of copper(II) and zinc(II) complexes of coumarin oxyacetate ligands were synthesised and characterised by spectroscopic techniques (IR, 1H, 13C NMR, UV-Vis) and by X-ray crystallography for two of the zinc complexes. The experimental spectroscopic data were then interpreted on the basis of molecular structure modelling and subsequent spectra simulation …
Enzymatic Electrochemical Biosensors For Neurotransmitters Detection: Recent Achievements And Trends, Zina Fredj, Baljit Singh Dr., Mohamed Bahri, Peiwu Qin, Mohamad Sawan
Enzymatic Electrochemical Biosensors For Neurotransmitters Detection: Recent Achievements And Trends, Zina Fredj, Baljit Singh Dr., Mohamed Bahri, Peiwu Qin, Mohamad Sawan
Articles
Neurotransmitters (NTs) play a crucial role in regulating the behavioral and physiological functions of the nervous system. Imbalances in the concentrations of NT have been directly linked to various neurological diseases (e.g., Parkinson’s, Huntington’s, and Alzheimer’s disease), in addition to multiple psychotic disorders such as schizophrenia, depression, dementia, and other neurodegenerative disorders. Hence, the rapid and real-time monitoring of the NTs is of utmost importance in comprehending neurological functions and identifying disorders. Among different sensing techniques, electrochemical biosensors have garnered significant interest due to their ability to deliver fast results, compatibility for miniaturization and portability, high sensitivity, and good controllability. …
Groundwater Quality: Global Challenges, Emerging Threats And Novel Approaches, Dan Lapworth, Thomas Boving, Bentje Brauns, Jane Dottridge, Paul Hynds, Seifu Kebede, David Kreamer, Bruce Misstear, Abhijit Mukherjee, Abhijit Mukherjee, Viviana Re, James Sorensen, Claudia Ruz Vargas
Groundwater Quality: Global Challenges, Emerging Threats And Novel Approaches, Dan Lapworth, Thomas Boving, Bentje Brauns, Jane Dottridge, Paul Hynds, Seifu Kebede, David Kreamer, Bruce Misstear, Abhijit Mukherjee, Abhijit Mukherjee, Viviana Re, James Sorensen, Claudia Ruz Vargas
Articles
Improving our understanding of groundwater quality threats to human health and the environment is essential to protect and manage groundwater resources effectively. This essay highlights some global groundwater quality challenges, describes key contaminant groups and threats of emerging concern, including antimicrobial resistance, and discusses novel approaches to assessing groundwater quality. Groundwater quality monitoring needs to improve significantly in order to effectively identify and mitigate threats to groundwater from historical, current and future pollution.
Quantifying Farm-To-Fork Greenhouse Gas Emissions For Five Dietary Patterns Across Europe And North America: A Pooled Analysis From 2009 To 2020, Daniel Burke, Paul Hynds, Anushree Priyadarshini
Quantifying Farm-To-Fork Greenhouse Gas Emissions For Five Dietary Patterns Across Europe And North America: A Pooled Analysis From 2009 To 2020, Daniel Burke, Paul Hynds, Anushree Priyadarshini
Articles
Dietary patterns are inherently related to greenhouse (GHG) emissions via agricultural practices and food production systems. As the global population is predicted to increase from 8 billion (current) to 9.6 billion by 2050 added pressure will be placed on existing agricultural systems, resulting in increased GHG emissions thus exacerbating climate change. Therefore, there is an urgent need to understand present-day dietary patterns to shift to sustainable and healthy diets to mitigate GHG emissions and meet future climate targets. However, no review or pooled analyses of dietary pattern emissions from a farm-to-fork perspective has been undertaken to date. The current study …
Pro-Environmental Diversification Of Pasture-Based Dairy And Beef Production In Ireland, The United Kingdom And New Zealand: A Scoping Review Of Impacts And Challenges, Maria Markiewicz-Keszycka, Aileen Carter, Donal O'Brien, Maeve Henchion, Simon Mooney, Paul Hynds
Pro-Environmental Diversification Of Pasture-Based Dairy And Beef Production In Ireland, The United Kingdom And New Zealand: A Scoping Review Of Impacts And Challenges, Maria Markiewicz-Keszycka, Aileen Carter, Donal O'Brien, Maeve Henchion, Simon Mooney, Paul Hynds
Articles
Grass-fed dairy and beef products are valued by consumers for their unique nutrient profile, enhanced animal welfare and lower environmental footprint compared to conventional produce derived from animals reared indoors on higher volumes of concentrate feeds (O'Callaghan et al., Reference O'Callaghan, Vázquez-Fresno, Serra-Cayuela, Dong, Mandal, Hennessy, McAuliffe, Dillon, Wishart, Stanton and Ross2018; Moscovici Joubran et al., Reference Moscovici Joubran, Pierce, Garvey, Shalloo and O'Callaghan2021). For the current study, pasture-based production of dairy and beef is defined as a system within which cattle graze freely outdoors on green pasture for ≥6 months per year, using grazed grass as the primary feed …
Integrating Consumer Risk Perception And Awareness With Simulation-Based Quantitative Microbial Risk Assessment Using A Coupled Systems Framework: A Case Study Of Private Groundwater Users In Ontario, Tessa Latchmore, Sarah Lavallee, Paul Hynds, R. Stephen Brown R. Stephen Brown, Anna Majury
Integrating Consumer Risk Perception And Awareness With Simulation-Based Quantitative Microbial Risk Assessment Using A Coupled Systems Framework: A Case Study Of Private Groundwater Users In Ontario, Tessa Latchmore, Sarah Lavallee, Paul Hynds, R. Stephen Brown R. Stephen Brown, Anna Majury
Articles
Private well users in Ontario are responsible for ensuring the potability of their own private drinking water source through protective actions (i.e., water treatment, well maintenance, and regular water quality testing). In the absence of regulation and limited surveillance, quantitative microbial risk assessment (QMRA) represents the most practical and robust approach to estimating the human health burden attributable to private wells. For an increasingly accurate estimation, QMRA of private well water should be represented by a coupled model, which includes both the socio-cognitive and physical aspects of private well water contamination and microbial exposure. The objective of the current study …
Assessing The Risk Of Acute Gastrointestinal Illness Attributable To Three Enteric Pathogens From Contaminated Private Water Wells In Ontario, Tessa Latchmore, Paul Hynds, R. Stephen Brown, Kevin Mcdermott, Anna Majury
Assessing The Risk Of Acute Gastrointestinal Illness Attributable To Three Enteric Pathogens From Contaminated Private Water Wells In Ontario, Tessa Latchmore, Paul Hynds, R. Stephen Brown, Kevin Mcdermott, Anna Majury
Articles
The province of Ontario compromises the largest groundwater reliant population in Canada serving approximately 1.6 million individuals. Unlike municipal water systems, private well water is not required to meet water quality regulatory standards and thus source maintenance, treatment and testing remains the responsibility of the well owner. Infections associated with private drinking water systems are rarely documented given their typically sporadic nature, thus the human health effects (e.g., acute gastrointestinal illness (AGI)) on consumers remains relatively unknown, representing a significant gap in water safety management. The current study sought to quantify the risk of waterborne AGI attributed to Giardia, shiga-toxin …
Occurrence Of High-Risk Clonal Lineages St58, St69, St224, And St410 Among Extended-Spectrum-Lactamase-Producing Escherichia Coli Isolated From Healthy Free-Range Chickens (Gallus Gallus Domesticus) In A Rural Region In Tunisia, Saloua Benlabidi, Anis Raddaoui, Sana Lengliz, Sarah Cheriet, Paul Hynds, Wafa Achour, Taoufik Ghrairi, Mohamed Salah Abbassi Salah Abbassi
Occurrence Of High-Risk Clonal Lineages St58, St69, St224, And St410 Among Extended-Spectrum-Lactamase-Producing Escherichia Coli Isolated From Healthy Free-Range Chickens (Gallus Gallus Domesticus) In A Rural Region In Tunisia, Saloua Benlabidi, Anis Raddaoui, Sana Lengliz, Sarah Cheriet, Paul Hynds, Wafa Achour, Taoufik Ghrairi, Mohamed Salah Abbassi Salah Abbassi
Articles
Antimicrobial-resistant Escherichia coli isolates have emerged in various ecologic compartments and evolved to spread globally. We sought to (1.) investigate the occurrence of ESBL-producing E. coli (ESBL-Ec) in feces from free-range chickens in a rural region and (2.) characterize the genetic background of antimicrobial resistance and the genetic relatedness of collected isolates. Ninety-five feces swabs from free-range chickens associated with two households (House 1/House 2) in a rural region in northern Tunisia were collected. Samples were screened to recover ESBL-Ec, and collected isolates were characterized for phenotype/genotype of antimicrobial resistance, integrons, and molecular typing (pulsed-field gel electrophoresis (PFGE) and multilocus …
Sustainable Utilisation And Management Of Food Waste For High-Value Products, Amit Jaiswal
Sustainable Utilisation And Management Of Food Waste For High-Value Products, Amit Jaiswal
Articles
Welcome to the Special Issue on “Sustainable Utilisation and Management of Food Waste for High-Value Products”. This Special Issue focuses on one of the most critical challenges facing our world today—the efficient management and utilisation of food waste. It presents a variety of scientific investigations from renowned scholars and researchers worldwide to address this challenge, covering an array of topics ranging from fundamental research to real-world applications. Food waste is a global dilemma that requires urgent attention. According to the Food and Agriculture Organization (FAO), approximately one-third of food produced for human consumption worldwide, or around 1.3 billion tons, is …
Selection And Characterization Of Bacteriocinogenic Lactic Acid Bacteria From The Intestine Of Gilthead Seabream (Sparus Aurata) And Whiting Fish (Merlangius Merlangus): Promising Strains For Aquaculture Probiotic And Food Bio-Preservation, Sarah Cheriet, Sana Lenglitz, Amel Romdhani, Paul Hynds, Mohamed Salah Abbassi, Taofik Ghrairi
Selection And Characterization Of Bacteriocinogenic Lactic Acid Bacteria From The Intestine Of Gilthead Seabream (Sparus Aurata) And Whiting Fish (Merlangius Merlangus): Promising Strains For Aquaculture Probiotic And Food Bio-Preservation, Sarah Cheriet, Sana Lenglitz, Amel Romdhani, Paul Hynds, Mohamed Salah Abbassi, Taofik Ghrairi
Articles
This study sought to evaluate the probiotic properties and the food preservation ability of lactic acid bacteria isolates collected from the intestines of wild marine fishes (gilthead seabream (Sparus aurata) (n = 60) and whiting fish (Merlangius merlangus) (n = 40)) from the Mediterranean sea in the area of Mostaganem city, Algeria. Forty-two isolates were identified as: Enterococcus durans (n = 19), Enterococcus faecium (n = 15), Enterococcus faecalis (n = 4), Lactococcus lactis subp. lactis (n = 3), and Lactobacillus plantarum (n = 1). All isolates showed inhibition to at least one indicator strain, especially against Listeria monocytogenes, Staphylococcus …
Unintended Consequences Of Covid-19 Non-Pharmaceutical Interventions (Npis) For Population Health And Health Inequalities, Coilin Ohaiseadha, Gerry A. Quinn, Ronan Connolly, Awwad Wilson, Michael Connolly, Willie Soon, Paul Hynds
Unintended Consequences Of Covid-19 Non-Pharmaceutical Interventions (Npis) For Population Health And Health Inequalities, Coilin Ohaiseadha, Gerry A. Quinn, Ronan Connolly, Awwad Wilson, Michael Connolly, Willie Soon, Paul Hynds
Articles
Since the start of the COVID-19 pandemic in early 2020, governments around the world have adopted an array of measures intended to control the transmission of the SARS-CoV-2 virus, using both pharmaceutical and non-pharmaceutical interventions (NPIs). NPIs are public health interventions that do not rely on vaccines or medicines and include policies such as lockdowns, stay-at-home orders, school closures, and travel restrictions. Although the intention was to slow viral transmission, emerging research indicates that these NPIs have also had unintended consequences for other aspects of public health. Hence, we conducted a narrative review of studies investigating these unintended consequences of …
Identifying Novel Data-Driven Dietary Patterns Via Dimensionality Reduction And Associations With Socioeconomic Profile And Health Outcomes In Ireland, Daniel Burke, Annemarie E. Bennett, Paul Hynds, Anushree Priyadarshini
Identifying Novel Data-Driven Dietary Patterns Via Dimensionality Reduction And Associations With Socioeconomic Profile And Health Outcomes In Ireland, Daniel Burke, Annemarie E. Bennett, Paul Hynds, Anushree Priyadarshini
Articles
Dietary patterns and body mass index (BMI) play a significant role in the development of noncommunicable diseases (NCDs), which are the leading cause of mortality worldwide, including Ireland. A cross-sectional survey was conducted across Ireland to collate respondents’ socioeconomic profiles, health status, and dietary patterns with a representative sample size of 957 adult respondents. Principal component analysis (PCA) and statistical analyses were subsequently employed. To the author’s knowledge, this is the first study to use recent (2021) nationally representative data to characterise dietary patterns in Ireland via dimensionality reduction. Five distinct dietary patterns (“meat-focused”, “dairy/ovo-focused”, “vegetable-focused”, “seafood-focused”, and “potatofocused”) were …
Behavioral Pathways To Private Well Risk Mitigation: A Structural Equation Modeling Approach, Simon Mooney, Martin Boudou, Jean O'Dwyer, Paul Hynds
Behavioral Pathways To Private Well Risk Mitigation: A Structural Equation Modeling Approach, Simon Mooney, Martin Boudou, Jean O'Dwyer, Paul Hynds
Articles
Complex, multi hazard risks such as private groundwater contamination necessitate multiannual risk reduction actions including seasonal, weather-based hazard evaluations. In the Republic of Ireland (ROI), high rural reliance on unregulated private wells renders behavior promotion a vital instrument toward safeguarding household health from waterborne infection. However, to date, pathways between behavioral predictors remain unknown while latent constructs such as extreme weather event (EWE) risk perception and self-efficacy (perceived behavioral competency) have yet to be sufficiently explored. Accordingly, a nationwide survey of 560 Irish private well owners was conducted, with structural equation modeling (SEM) employed to identify underlying relationships determining key …
Constructing A Fine Dispersion And Chemical Interface Based On An Electrostatic Self-Assembly And Aqueous Phase Compound In Go/Sio2/Sbr Composites To Achieve High-Wear Resistance In Eco-Friendly Green Tires, Rui Zhang, Jiaye Li, Stephen Jerrams, Shui Hu, Shipeng Wen, Ligun Zhang
Constructing A Fine Dispersion And Chemical Interface Based On An Electrostatic Self-Assembly And Aqueous Phase Compound In Go/Sio2/Sbr Composites To Achieve High-Wear Resistance In Eco-Friendly Green Tires, Rui Zhang, Jiaye Li, Stephen Jerrams, Shui Hu, Shipeng Wen, Ligun Zhang
Articles
The hazard to the ecosystem caused by rubber microparticles generated from tire abrasion has been a constant concern. Therefore, to protect this ecosystem, the development of a tire tread with high abrasion resistance is especially significant. Herein, γ-aminopropyltriethoxysilane (APTES) was used to modify graphene oxide (GO) and silica (SiO2) to obtain GO and SiO2 with positive charges (NG and NS). Furthermore, NG and NS were electrostatically self-assembled by using maleic anhydride (MAH) hydrolysis, thereby obtaining composite particles (NG-NS) with “bridged structures”. Also, the NG-NS/styrene butadiene rubber (SBR) compounds possessing fine dispersion of NG-NS were prepared by the aqueous compounding method. …
Surface Modification Of Carbonyl Iron Particles Using Dopamine And Silane Coupling Agent For High-Performance Magnetorheological Elastomers, Jiaqing Zhao, Dongliang Li, Baojie Sun, Liang Jiang, Yanfen Zhou, Shipeng Wen, Stephen Jerrams, Jianwei Ma, Shaojuan Chen
Surface Modification Of Carbonyl Iron Particles Using Dopamine And Silane Coupling Agent For High-Performance Magnetorheological Elastomers, Jiaqing Zhao, Dongliang Li, Baojie Sun, Liang Jiang, Yanfen Zhou, Shipeng Wen, Stephen Jerrams, Jianwei Ma, Shaojuan Chen
Articles
Magnetorheological elastomers (MREs) are smart materials whose mechanical properties can quickly respond to changes in the external magnetic field. This phenomenon is known as the magnetorheological (MR) effect and is the key to the application of magnetorheological elastomers. Previous studies have found that the interface between magnetic particles and elastomers is a critical factor that influencing the MR effect of MREs. To improve the interfacial interaction between silicone rubber (SR) and carbonyl iron (CI) particles, in the MREs considered in this work, CI particles were subjected to surface modification through polydopamine (PDA) deposition and n-dodecyltrimethoxysilane (DTMS) grafting. X-ray photoelectron spectroscopy …
A Lak Of Direction Misalignment Between The Goals Of Learning Analytics And Its Research Scholarship, Benjamin A. Motz, Yoav Bergner, Christopher A. Brooks, Anna Gladden, Geraldine Gray, Charles Lang, Warren Li, Fernando Marmolejo-Ramos, Joshua D. Quick
A Lak Of Direction Misalignment Between The Goals Of Learning Analytics And Its Research Scholarship, Benjamin A. Motz, Yoav Bergner, Christopher A. Brooks, Anna Gladden, Geraldine Gray, Charles Lang, Warren Li, Fernando Marmolejo-Ramos, Joshua D. Quick
Articles
Learning analytics defines itself with a focus on data from learners and learning environments, with corresponding goals of understanding and optimizing student learning. In this regard, learning analytics research, ideally, should be characterized by studies that make use of data from learners engaged in education systems, should measure student learning, and should make efforts to intervene and improve these learning environments.
Spherical Modes Driven Directional Modulation With A Compact Mimo Antenna, Abel Zamdemala, Nicola Marchetti, Max Ammann, Adam Narbudowicz
Spherical Modes Driven Directional Modulation With A Compact Mimo Antenna, Abel Zamdemala, Nicola Marchetti, Max Ammann, Adam Narbudowicz
Articles
In this letter, a compact beamsteering MIMO antenna is proposed for Directional Modulation (DM) applications. A generalization of the beamsteering principle is presented and by exploiting the antenna’s unidirectional beamsteering capability within the entire azimuth plane, the system realizes secure steerable transmissions in the direction of the legitimate receiver, with a low Bit Error Rate (BER) of 10^(-5), while a high error rate of 10^(-1) is seen outside the desired regions. Numerical and experimental verifications are carried out to validate the proposed concept and comparisons with circular arrays are conducted, revealing that the system achieves comparable performance but with up …
Exploiting Multimode Antennas For Mimo And Aoa Estimation In Size-Constrained Iot Devices, Abel Zandamela, Alessandro Chiumento Alessandro Chiumento, Alessandro Chiumento, Nicola Marchetti, Max Ammann, Adam Narbudowicz
Exploiting Multimode Antennas For Mimo And Aoa Estimation In Size-Constrained Iot Devices, Abel Zandamela, Alessandro Chiumento Alessandro Chiumento, Alessandro Chiumento, Nicola Marchetti, Max Ammann, Adam Narbudowicz
Articles
This work proposes compact multimode Multiple-Input–Multiple-Output (MIMO) antennas for Angle of Arrival (AoA) estimation in miniaturized Internet of Things (IoT) systems. The method excites different orthogonal radiating modes (TM 21 , TM 02 , and TM 31 modes) for beamforming capabilities, and the AoA performance is investigated using the Multiple Signal Classification (MUSIC) algorithm, executed using numerical and experimental data. The technique is tested at 2.238GHz , while using an antenna diameter
A Label-Free Fiber Ring Laser Biosensor For Ultrahigh Sensitivity Detection Of Salmonella Typhimurium, Shi Qiu, Bin Liu, Yuankui Leng, Edward Fox, Xian Zhou, Binbin Yan, Xinzhu Sang, Long Long, Xingdao He, Jinhui Yuan, Gerald Farrell, Qiang Wu
A Label-Free Fiber Ring Laser Biosensor For Ultrahigh Sensitivity Detection Of Salmonella Typhimurium, Shi Qiu, Bin Liu, Yuankui Leng, Edward Fox, Xian Zhou, Binbin Yan, Xinzhu Sang, Long Long, Xingdao He, Jinhui Yuan, Gerald Farrell, Qiang Wu
Articles
The rapid detection of low concentrations of Salmonella Typhimurium (S. Typhimurium) is an essential preventive measure for food safety and prevention of foodborne illness. The study presented in this paper addresses this critical issue by proposing a single mode-tapered seven core-single mode (STSS) fiber ring laser (FRL) biosensor for S. Typhimurium detection. The experimental results show that the specific detection time of S. Typhimurium is less than 20 min and the wavelength shift can achieve -0.906 nm for an S. Typhimurium solution (10 cells/mL). Furthermore, at a lower concentration of 1 cell/mL applied to the biosensor, a result of -0.183 …
Isolation And Identification Of Chlorate-Reducing Hafnia Sp. From Milk, William P. Mccarthy, Meghana Srinivas, Martin Danaher, Christine O'Connor, Tom F. O'Callaghan, Douwe Van Sinderen, John Kenny, John T. Tobin
Isolation And Identification Of Chlorate-Reducing Hafnia Sp. From Milk, William P. Mccarthy, Meghana Srinivas, Martin Danaher, Christine O'Connor, Tom F. O'Callaghan, Douwe Van Sinderen, John Kenny, John T. Tobin
Articles
Chlorate has become a concern in the food and beverage sector, related to chlorine sanitizers in industrial food production and water treatment. It is of particular concern to regulatory bodies due to the negative health effects of chlorate exposure. This study investigated the fate of chlorate in raw milk and isolated bacterial strains of interest responsible for chlorate breakdown. Unpasteurized milk was demonstrated to have a chlorate-reducing capacity, breaking down enriched chlorate to undetectable levels in 11 days. Further enrichment and isolation using conditions specific to chlorate-reducing bacteria successfully isolated three distinct strains of Hafnia paralvei . Chlorate-reducing bacteria were …
Raman Spectroscopy For Early Detection Of Cervical Cancer, A Global Women’S Health Issue—A Review, Rubina Shaikh, Amuthachelvie Daniel, Fiona Lyng
Raman Spectroscopy For Early Detection Of Cervical Cancer, A Global Women’S Health Issue—A Review, Rubina Shaikh, Amuthachelvie Daniel, Fiona Lyng
Articles
This review focuses on recent advances and future perspectives in the use of Raman spectroscopy for cervical cancer, a global women’s health issue. Cervical cancer is the fourth most common women’s cancer in the world, and unfortunately mainly affects younger women. However, when detected at the early precancer stage, it is highly treatable. High-quality cervical screening programmes and the introduction of the human papillomavirus (HPV) vaccine are reducing the incidence of cervical cancer in many countries, but screening is still essential for all women. Current gold standard methods include HPV testing and cytology for screening, followed by colposcopy and histopathology …
Diethoxycarbonyl-Bodipys As Heavy-Atom-Free Photosensitizers For Holographic Recording In Cellulose Acetate Photopolymer, Aimee Sheehan, Tatsiana Mikulchyk, Catherine S.P. De Castro, Safakath Karuthedath, Wejdan Althobaiti, Metodej Dvoracek, Sabad-E Gul, Hugh Byrne, FréDéRic Laquai, Izabela Naydenova, Mikhail Filatov
Diethoxycarbonyl-Bodipys As Heavy-Atom-Free Photosensitizers For Holographic Recording In Cellulose Acetate Photopolymer, Aimee Sheehan, Tatsiana Mikulchyk, Catherine S.P. De Castro, Safakath Karuthedath, Wejdan Althobaiti, Metodej Dvoracek, Sabad-E Gul, Hugh Byrne, FréDéRic Laquai, Izabela Naydenova, Mikhail Filatov
Articles
A series of new heavy-atom-free photosensitizers based on 2,6-diethoxycarbonyl-BODIPY scaffold was designed and applied for holographic recording in a photopolymerizable material. Photoinduced electron transfer between the BODIPY and meso-aryl subunits, followed by the formation of BODIPY triplet excited states via spin-orbit charge transfer intersystem crossing (SOCT-ISC) was studied by steady-state and ultrafast pump-probe transient optical spectroscopy. Highly efficient photosensitization was observed for dyads bearing pyrene and anthracene substituents, which exhibited singlet oxygen generation quantum yields () of up to 94%. Charge transfer and SOCT-ISC were observed in non-polar solvent (toluene) due to the increased electron accepting ability of the diethoxycarbonyl-BODIPY. …
A Simple Microcalorimetry System To Determine The Adsorption Behaviour Of Acids In Large Adhesive Bond Gaps Using Base-Initiated Solution Polymerisation Of Ethyl-2-Cyanoacrylate, Kevin Raheem, John Cassidy, Tony Betts, Bernard Ryan
A Simple Microcalorimetry System To Determine The Adsorption Behaviour Of Acids In Large Adhesive Bond Gaps Using Base-Initiated Solution Polymerisation Of Ethyl-2-Cyanoacrylate, Kevin Raheem, John Cassidy, Tony Betts, Bernard Ryan
Articles
This work presents the use of a simple microcalorimetry cyanoacrylate (CA) polymerisation system for investigating aspects of CA adhesive cure through gap and adsorption of adhesive acid stabiliser by a range of metal and glass substrates. It is well established that strong acid induced inhibition periods (IPs) are almost directly proportional to the acid concentration in weak base initiated polymerisations of alkyl CAs in tetrahydrofuran (THF). Ethyl cyanoacrylate (ECA) polymerisation IP measurements were used to determine the adsorption of methanesulfonic acid (MSA) in THF or ECA solutions by a range of metal, glass and polypropylene (PP) lap shears surfaces. The …
Analysis And Design Of Secure Sampled-Data Control Subject To Denial-Of-Service Attacks, Hira Sana, Ghulam Mustafa, Owais Khan, Nouman Ashraf, Abdul Qayyum Khan, Muhammad Abid, Haroom Ur Rashid Khan
Analysis And Design Of Secure Sampled-Data Control Subject To Denial-Of-Service Attacks, Hira Sana, Ghulam Mustafa, Owais Khan, Nouman Ashraf, Abdul Qayyum Khan, Muhammad Abid, Haroom Ur Rashid Khan
Articles
This study addresses the issue of secure control design for cyber-physical systems (CPS) against denial of service (DoS) attacks. We take into account a continuous-time linear system with a convex quadratic performance measure and a sampled linear state feedback control. DoS attacks impose constraints on the CPS, where packets may be jammed between the sensor and controller by a malicious entity, potentially resulting in system instability and performance degradation. We assume that the attacker can perform DoS attacks with a limited time and frequency due to energy restrictions. We devise an efficient procedure using the linear matrix inequality approach to …
An Aggregation-Based Algebraic Multigrid Method With Deflation Techniques And Modified Generic Factored Approximate Sparse Inverses, Anastasia Natsiou, George A. Gravvanis, Christos K. Filelis-Papadopoulos, Konstantinos M. Giannoutakis
An Aggregation-Based Algebraic Multigrid Method With Deflation Techniques And Modified Generic Factored Approximate Sparse Inverses, Anastasia Natsiou, George A. Gravvanis, Christos K. Filelis-Papadopoulos, Konstantinos M. Giannoutakis
Articles
In this paper, we examine deflation-based algebraic multigrid methods for solving large systems of linear equations. Aggregation of the unknown terms is applied for coarsening, while deflation techniques are proposed for improving the rate of convergence. More specifically, the V-cycle strategy is adopted, in which, at each iteration, the solution is computed by initially decomposing it utilizing two complementary subspaces. The approximate solution is formed by combining the solution obtained using multigrids and deflation. In order to improve performance and convergence behavior, the proposed scheme was coupled with the Modified Generic Factored Approximate Sparse Inverse preconditioner. Furthermore, a parallel version …
Opportunities Of Iot In Fog Computing For High Fault Tolerance And Sustainable Energy Optimization, A. Reyana, Sandeep Kautish, Khalid Abdulaziz Alnowibet, Hossam Zawbaa, Ali Wagdy Mohamed
Opportunities Of Iot In Fog Computing For High Fault Tolerance And Sustainable Energy Optimization, A. Reyana, Sandeep Kautish, Khalid Abdulaziz Alnowibet, Hossam Zawbaa, Ali Wagdy Mohamed
Articles
Today, the importance of enhanced quality of service and energy optimization has promoted research into sensor applications such as pervasive health monitoring, distributed computing, etc. In general, the resulting sensor data are stored on the cloud server for future processing. For this purpose, recently, the use of fog computing from a real-world perspective has emerged, utilizing end-user nodes and neighboring edge devices to perform computation and communication. This paper aims to develop a quality-of-service-based energy optimization (QoS-EO) scheme for the wireless sensor environments deployed in fog computing. The fog nodes deployed in specific geographical areas cover the sensor activity performed …
On The Modelling Of Short And Intermediate Water Waves, Rossen I. Ivanov
On The Modelling Of Short And Intermediate Water Waves, Rossen I. Ivanov
Articles
The propagation of water waves of finite depth and flat bottom is studied in the case when the depth is not small in comparison to the wavelength. This propagation regime is complementary to the long-wave regime described by the famous KdV equation. The Hamiltonian approach is employed in the derivation of a model equation in evolutionary form, which is both nonlinear and nonlocal, and most likely not integrable. Possible implications for the numerical solutions are discussed.
Experimental And Theoretical Evaluation Of A Commercial Luminescent Dye For Pvt Systems, Kenneth Coldrick, James Walshe, Sarah Mccormack, John Doran, George Amarandei
Experimental And Theoretical Evaluation Of A Commercial Luminescent Dye For Pvt Systems, Kenneth Coldrick, James Walshe, Sarah Mccormack, John Doran, George Amarandei
Articles
Combining photovoltaic (PV) and photo-thermal (PT) energy collection strategies in a single system can enhance solar energy conversion efficiencies, leading to increased economic returns and wider adoption of renewable energy sources. This study focuses on incorporating a commercial luminescent organic dye (BASF Lumogen F Red 305) into ethylene glycol to explore its potential for PVT applications. The optical and electrical characteristics of the working fluid were evaluated at different temperatures under direct solar irradiance. Pristine ethylene glycol reduced the maximum PV cell temperature by 10 °C. The inclusion of luminescent dye at various concentrations further reduced the maximum temperature, with …