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Articles 1261 - 1290 of 5231
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Enhanced Gas Barrier Properties Of Graphene Oxide/Rubber Composites With Strong Interfaces Constructed By Graphene Oxide And Sulfur, Long Zheng, Stephen Jerrams, Zongchao Xu, Liqun Zhang, Li Liu, Shipeng Wen
Enhanced Gas Barrier Properties Of Graphene Oxide/Rubber Composites With Strong Interfaces Constructed By Graphene Oxide And Sulfur, Long Zheng, Stephen Jerrams, Zongchao Xu, Liqun Zhang, Li Liu, Shipeng Wen
Articles
Constructing strong interfacial interactions and complex filler networks is crucial to establishing high gas barrier properties in rubber composites. In this research, sulfur-graphene oxide (S-GO) hybrids were prepared by in situ growth of sulfur on the surfaces of GO sheets. The S-GO hybrids were also introduced into butadiene styrene rubber (SBR) using a green method of latex compounding. Results showed that sulfur could melt and spread on the surface of the GO during the crosslinking process at high temperatures. This process prevented the aggregation of GO and resulted in a fine dispersion of GO and complex filler networks in S-GO/SBR …
An Examination Of The Role Of Spatial Ability In The Process Of Problem Solving In Chemical Engineering, Sheryl Sorby, Gavin Duffy, Norman Loney
An Examination Of The Role Of Spatial Ability In The Process Of Problem Solving In Chemical Engineering, Sheryl Sorby, Gavin Duffy, Norman Loney
Articles
Engineers often communicate with one another through drawings or sketches and understanding technical information through graphical representations is a skill necessary for engineering practice. Well-developed spatial skills are known to be important to understanding technical drawings and are therefore, important to success in engineering. Unfortunately, of all cognitive processes, spatial skills show robust gender differences, favouring males, which could contribute to the underrepresentation of women in engineering. In this research, we administered a test of spatial cognition to students enrolled in a common 3rd year course in chemical engineering . In a second session, students were given a set of …
Simultaneous Measurement Of Displacement And Temperature Based On Two Cascaded Balloon-Like Bent Fibre Structures, Ke Tian, Ruoning Wang, Meng Zhang, Xiafan Wang, Xin Wang, Guoyong Jin, Elfed Lewis, Gerald Farrell, Pengfei Wang
Simultaneous Measurement Of Displacement And Temperature Based On Two Cascaded Balloon-Like Bent Fibre Structures, Ke Tian, Ruoning Wang, Meng Zhang, Xiafan Wang, Xin Wang, Guoyong Jin, Elfed Lewis, Gerald Farrell, Pengfei Wang
Articles
A low-cost optical fibre sensor based on two cascaded balloon-like bent fibre (BBF) structures for simultaneous displacement and temperature measurement is reported. The sensor is fabricated by cascading two balloon-like bent single-mode fibres (SMFs) which with different bending radii, generating two separate interference dips within a limited wavelength range. The wavelength of the two interference dips exhibits different responses to external displacement and temperature variations, hence simultaneous measurement of displacement and temperature is realized. Experimental results show that the proposed optical fibre sensor achieves a displacement sensitivity of −318.8 pm/μm and a temperature sensitivity of 47.4 pm/°C. Taking advantage of …
High-Sensitivity Temperature Sensor Based On Anti-Resonance In High-Index Polymer-Coated Optical Fiber Interferometers, Xiaokang Lian, Qiang Wu, Gerald Farrell, Yuliya Semenova
High-Sensitivity Temperature Sensor Based On Anti-Resonance In High-Index Polymer-Coated Optical Fiber Interferometers, Xiaokang Lian, Qiang Wu, Gerald Farrell, Yuliya Semenova
Articles
Compared to the multimode interference (MMI) effect, the anti-resonance (AR) effect does not rely on the multimode property of the optical waveguide. This Letter shows that fiber bending can suppress the MMI and can break the superposition of AR spectra of multiple modes in a high-index polymer-coated optical fiber interferometer based on a single-mode fiber-polymer-coated no-core fiber-single-mode fiber hetero-structure. This results in the dominance of the AR spectrum of an individual mode and consequently in periodic sharp transmission dips. As a result of this phenomenon and large thermo-optical and thermal expansion coefficients of the polymer, a compact, high-sensitivity and linear …
Saperi: Approaching Gender Gap Using Spatial Ability Training Week In High-School Context, Maria Giulia Ballatore, Gavin Duffy, Sheryl Sorby, Anita Tabacco
Saperi: Approaching Gender Gap Using Spatial Ability Training Week In High-School Context, Maria Giulia Ballatore, Gavin Duffy, Sheryl Sorby, Anita Tabacco
Articles
Maria Giulia Ballatore, Gavin Duffy, Sheryl Sorby, and Anita Tabacco. 2020. SAperI: approaching gender gap using Spatial Ability training week in high-school context. In Eighth International Conference on Technological Ecosystems for Enhancing Multiculturality (TEEM’20), October 21–23, 2020, Salamanca, Spain. ACM, New York, NY, USA, 7 pages. https://doi.org/10.1145/3434780.3436577
Comparability Of Raman Spectroscopic Configurations: A Largescale Cross-Laboratory Study, Shuxia Guo, Hugh Byrne, Shiyamala Duraipandian, Fiona Lyng, Claudia Beleites, Ute Neugebauer
Comparability Of Raman Spectroscopic Configurations: A Largescale Cross-Laboratory Study, Shuxia Guo, Hugh Byrne, Shiyamala Duraipandian, Fiona Lyng, Claudia Beleites, Ute Neugebauer
Articles
The variable configuration of Raman spectroscopic platforms is one ofthe major obstacles in establishing Raman spectroscopy as a valuable physicochemicalmethod within real-world scenarios such as clinical diagnostics. For such real worldapplications like diagnostic classification, the models should ideally be usable to predictdata from different setups. Whether it is done by training a rugged model with data frommany setups or by a primary-replica strategy where models are developed on a‘primary’setup and the test data are generated on‘replicate’setups, this is only possible if the Raman spectra from different setups are consistent, reproducible, and comparable.However, Raman spectra can be highly sensitive to the …
Nanofluid Development Using Silver Nanoparticles And Organic-Luminescent Molecules For Solar-Thermal And Hybrid Photovoltaic-Thermal Applications, James Walshe, Pauraic Mccarron, Conor Mclaughlin, Sarah Mccormack, John Doran, George Amarandei
Nanofluid Development Using Silver Nanoparticles And Organic-Luminescent Molecules For Solar-Thermal And Hybrid Photovoltaic-Thermal Applications, James Walshe, Pauraic Mccarron, Conor Mclaughlin, Sarah Mccormack, John Doran, George Amarandei
Articles
Exploiting solar energy using photo-thermal (PT) and/or hybridised photovoltaic/thermal (PVT) systems can represent a viable alternative to the growing demand for renewable energy. For large-scale implementation, such systems require thermal fluids able to enhance the combined conversion efficiency achievable by controlling the ‘thermal’ and ‘electrical’ components of the solar spectrum. Nanofluids are typically employed for these purposes and they should exhibit high heat-transfer capabilities and optical properties tuned towards the peak performance spectral window of the photovoltaic (PV) component. In this work, novel nanofluids, composed of highly luminescent organic molecules and Ag nanoparticles dispersed within a base fluid, were tested …
Color Variation Of The Up-Conversion Luminescence In Er3+-Yb3+Co-Doped Lead Germanate Glasses And Microsphere Integrated Devices, Meng Zhang, Ke Tian, Shunbin Wang, Libo Yuan, Gerald Farrell, Elfed Lewis, Pengfei Wang
Color Variation Of The Up-Conversion Luminescence In Er3+-Yb3+Co-Doped Lead Germanate Glasses And Microsphere Integrated Devices, Meng Zhang, Ke Tian, Shunbin Wang, Libo Yuan, Gerald Farrell, Elfed Lewis, Pengfei Wang
Articles
Abstract—Lead germanate glass samples co-doped with different Er3+/Yb3+ concentrations were prepared and the color variation of the up-conversion emissions in these glasses was observed using a 980 nm laser pump. A practical optical integrated device based on Er3+ -Yb3+ co-doped lead germanate glass microsphere and a special fiber structure, consisting of single mode fiber (SMF), multimode fiber (MMF) and a suspended tricore hollow fiber (STCHF) is described. As the pump light is coupled into the microsphere from the cores suspended inside the STCHF, the microsphere fixed in the air hole of the STCHF is excited and the up-conversion emissions are …
Swirling Fluid Flow In Flexible, Expandable Elastic Tubes: Variational Approach, Reductions And Integrability, Rossen Ivanov, Vakhtang Putkaradze
Swirling Fluid Flow In Flexible, Expandable Elastic Tubes: Variational Approach, Reductions And Integrability, Rossen Ivanov, Vakhtang Putkaradze
Articles
Many engineering and physiological applications deal with situations when a fluid is moving in flexible tubes with elastic walls. In real-life applications like blood flow, a swirl in the fluid often plays an important role, presenting an additional complexity not described by previous theoretical models. We present a theory for the dynamics of the interaction between elastic tubes and swirling fluid flow. The equations are derived using a variational principle, with the incompressibility constraint of the fluid giving rise to a pressure-like term. In order to connect this work with the previous literature, we consider the case of inextensible and …
Daylight: What Makes The Difference?, M. Knoop, O. Stefani, B. Bueno, B. Matusiak, R. Hobday, A. Wirz-Justice, K. Martiny, T. Tandermann, N. Zemmouri, S. Appelt, Brian Norton
Daylight: What Makes The Difference?, M. Knoop, O. Stefani, B. Bueno, B. Matusiak, R. Hobday, A. Wirz-Justice, K. Martiny, T. Tandermann, N. Zemmouri, S. Appelt, Brian Norton
Articles
Light is necessary for vision; it enables us to sense and perceive our surroundings and in many direct and indirect ways, via eye and skin, affects our physiological and psychological health. The use of light in built environments has comfort, behavioural, economic and environmental consequences. Daylight has many particular benefits including excellent visual performance, permitting good eyesight, effective entrainment of the circadian systemas well as a number of acute non-image forming effects and the important role of vitamin D production. Some human responses to daylight seem to be well defined whilst others require more research to be adequately understood. This …
Comparison Of Hybridizing Options For Solar Heat, Biomass And Heat Storage For Electricity Generation In Spain, Cm Iftekhar Hussain, Brian Norton, Aidan Duffy
Comparison Of Hybridizing Options For Solar Heat, Biomass And Heat Storage For Electricity Generation In Spain, Cm Iftekhar Hussain, Brian Norton, Aidan Duffy
Articles
Diurnal and seasonal variations of direct solar energy circumscribe locations suitable for sole use of concentrated solar power for electricity generation, whereas to generate electricity at night and during winter months, biomass systems can be used that incur fuel expenditures and may encounter fuel supply discontinuities. Combining solar heat, biomass conversion and heat storage in a hybrid electricity generation plant may overcome the limitations of sole use of any one of these energy sources in specific geographic and/or economic conditions. In this work standalone biomass, hybrid concentrated solar power-biomass and hybrid concentrated solar power-biomass-thermal energy storage power generation systems are …
Mapping The In-Plane Electric Field Inside Irradiated Diodes, L. Poley, A.J. Blue, C. Buttar, V. Cindro, C. Darroch, V. Fadayev, J. Fernandez-Tejero, C. Fleta, C. Helling, C. Labitan, I. Mandic, S.N. Santpur, D. Sperlich, M. Ullan, Y. Unno
Mapping The In-Plane Electric Field Inside Irradiated Diodes, L. Poley, A.J. Blue, C. Buttar, V. Cindro, C. Darroch, V. Fadayev, J. Fernandez-Tejero, C. Fleta, C. Helling, C. Labitan, I. Mandic, S.N. Santpur, D. Sperlich, M. Ullan, Y. Unno
Articles
A significant aspect of the Phase-II Upgrade of the ATLAS detector is the replacement of the current Inner Detector with the ATLAS Inner Tracker (ITk). The ATLAS ITk is an all-silicon detector consisting of a pixel tracker and a strip tracker. Sensors for the ITk strip tracker have been developed to withstand the high radiation environment in the ATLAS detector after the High Luminosity Upgrade of the Large Hadron Collider at CERN, which will significantly increase the rate of particle collisions and resulting particle tracks. During their operation in the ATLAS detector, sensors for the ITk strip tracker are expected …
An Argument Against Sex Segregation In Post-Primary Schools: Examining Wellbeing Perspectives, David Byrne, Aiden Carthy
An Argument Against Sex Segregation In Post-Primary Schools: Examining Wellbeing Perspectives, David Byrne, Aiden Carthy
Articles
There currently exists a substantial body of research regarding the influ-ence that the educational environment can bear upon the social and emotional wellbeing of male and female students. It has been highlighted that young female students tend to present with lower levels of wellbeing than do male students, and that the behaviour of male students may be implicit in this discrepancy. Some scholars have proposed sex segregation to be an appropriate palliative measure in addressing the lower measures of wellbeing observed among female students. This paper will present a counter-argument to this proposal based on two principal arguments. First, that …
The Flipped Classroom In Esl Teacher Education: An Example From Call, Yuyen Lee, Katherine I. Martin
The Flipped Classroom In Esl Teacher Education: An Example From Call, Yuyen Lee, Katherine I. Martin
Articles
The flipped classroom is one of many technology-enhanced teaching strategies. In this approach, students are responsible for initial learning at home (often via instructional videos) and class time is used for problem-solving and activities to deepen understanding. Although research on and use of the flipped classroom in language education is growing, little work has examined its use in teacher education, particularly for language teachers. To address this gap, this study examined the flipped classroom through the eyes of pre-service language teachers to reveal what hinders them from or encourages them to adopt this approach. Data were collected from students in …
Slicing Defamation, Yonathan Arbel
In Times Of Chaos: Creating Blueprints For Law School Responses To Natural Disasters, Jeffrey Baker, Christine Cerniglia, Davida Finger, Luz Herrera, Jonel Newman
In Times Of Chaos: Creating Blueprints For Law School Responses To Natural Disasters, Jeffrey Baker, Christine Cerniglia, Davida Finger, Luz Herrera, Jonel Newman
Articles
No abstract provided.
The Role Of State And Federal Law In Energy Condemnations, Stewart E. Sterk
The Role Of State And Federal Law In Energy Condemnations, Stewart E. Sterk
Articles
When an energy provider condemns fee interests or easements to permit construction of transmission lines, what roles do state and federal law play in determining the "just compensation" available to affected landowners? That question has arisen in a number of different factual contexts. Usually, condemnors seek to avoid state law rules that provide for compensation beyond what they believe represents the market value of the property they seek to acquire. For instance, condemnors may seek an offset for benefits the condemnation generates for neighboring land owned by the condemnee. Condemnors may also seek to avoid state rules that entitle condemnees …
The Law Of Rescue, Shalini Bhargava Ray
The Bright Triad And Five Propositions: Toward A Vygotskian Framework For Deaf Pedagogy And Research, Michael E. Skyer
The Bright Triad And Five Propositions: Toward A Vygotskian Framework For Deaf Pedagogy And Research, Michael E. Skyer
Articles
L.S. Vygotsky’s contributions to social research shifted paradigms by constructing now-foundational theories of teaching, learning, language, and their interactions in education. This manuscript contextualizes and elucidates a nearly-forgotten, century-old component of Vygotskian deaf education research. The Fundamentals of Defectology compiles decades of Vygotsky’s experimental, methodological, and theoretical research about deafness, the psychology of disability, and special methods of pedagogy. Drawing on Defectology, two arguments are developed using the method of dialectics; they first synthesize Vygotsky’s deaf research corpus, then juxtapose it against contemporary theories and evidence. The first argument describes three principles that exemplify Vygotsky’s optimistic framework for deaf pedagogy: …
Acts Of Meaning, Resource Diagrams, And Essential Learning Behaviors: The Design Evolution Of Lost & Found, Owen Gottlieb, Ian Schreiber
Acts Of Meaning, Resource Diagrams, And Essential Learning Behaviors: The Design Evolution Of Lost & Found, Owen Gottlieb, Ian Schreiber
Articles
Lost & Found is a tabletop-to-mobile game series designed for teaching medieval religious legal systems. The long-term goals of the project are to change the discourse around religious laws, such as foregrounding the prosocial aspects of religious law such as collaboration, cooperation, and communal sustainability. This design case focuses on the evolution of the design of the mechanics and core systems in the first two tabletop games in the series, informed by over three and a half years’ worth of design notes, playable prototypes, outside design consultations, internal design reviews, playtests, and interviews.
Regulatory Responses To Medical Machine Learning, Timo Minssen, Sara Gerke, Mateo Aboy, W. Nicholson Price Ii, Glenn Cohen
Regulatory Responses To Medical Machine Learning, Timo Minssen, Sara Gerke, Mateo Aboy, W. Nicholson Price Ii, Glenn Cohen
Articles
Companies and healthcare providers are developing and implementing new applications of medical artificial intelligence, including the artificial intelligence sub-type of medical machine learning (MML).MML is based on the application of machine learning (ML) algorithms to automatically identify patterns and act on medical data to guide clinical decisions. MML poses challenges and raises important questions, including (1) How will regulators evaluate MML-based medical devices to ensure their safety and effectiveness? and (2) What additional MML considerations should be taken into account in the international context? To address these questions, we analyze the current regulatory approaches to MML in the USA and …
Dynamic Blood-Brain Barrier Regulation In Mild Traumatic Brain Injury, Eoin O'Keeffe, Eoin Kelly, Yuzhe Liu, Chiara Giordano, Eugene Wallace, Mark Hynes, Stephen Tiernan, Aidan Meagher, Chris Greene, Stephanie Hughes, Tom Burke, John Kealy, Niamh Doyle, Alison Hay, Michael Farrell, Gerald A. Grant, Alon Friedman, Ronel Veksler, Michael G. Molloy, James F. Meaney, Niall Pender, David Camarillo, Colin P. Doherty, Matthew Campbell
Dynamic Blood-Brain Barrier Regulation In Mild Traumatic Brain Injury, Eoin O'Keeffe, Eoin Kelly, Yuzhe Liu, Chiara Giordano, Eugene Wallace, Mark Hynes, Stephen Tiernan, Aidan Meagher, Chris Greene, Stephanie Hughes, Tom Burke, John Kealy, Niamh Doyle, Alison Hay, Michael Farrell, Gerald A. Grant, Alon Friedman, Ronel Veksler, Michael G. Molloy, James F. Meaney, Niall Pender, David Camarillo, Colin P. Doherty, Matthew Campbell
Articles
Whereas the diagnosis of moderate and severe traumatic brain injury (TBI) is readily visible on current medical imaging paradigms (magnetic resonance imaging [MRI] and computed tomography [CT] scanning), a far greater challenge is associated with the diagnosis and subsequent management of mild TBI (mTBI), especially concussion which, by definition, is characterized by a normal CT. To investigate whether the integrity of the blood-brain barrier (BBB) is altered in a high-risk population for concussions, we studied professional mixed martial arts (MMA) fighters and adolescent rugby players. Additionally, we performed the linear regression between the BBB disruption defined by increased gadolinium contrast …
Producing Urban Aerobiological Risk Map For Cupressaceae Family In The Sw Iberian Peninsula From Lidar Technology, Raúl Pecero‐Casimiro, Santiago Fernández‐Rodríguez, Rafael Tormo‐Molina, Inmaculada Silva‐Palacios, Ángela Gonzalo‐Garijo, Alejandro Monroy‐Colín, Juan Francisco Coloma, José María Maya‐Manzano
Producing Urban Aerobiological Risk Map For Cupressaceae Family In The Sw Iberian Peninsula From Lidar Technology, Raúl Pecero‐Casimiro, Santiago Fernández‐Rodríguez, Rafael Tormo‐Molina, Inmaculada Silva‐Palacios, Ángela Gonzalo‐Garijo, Alejandro Monroy‐Colín, Juan Francisco Coloma, José María Maya‐Manzano
Articles
Given the rise in the global population and the consequently high levels of pollution, urban green areas, such as those that include plants in the Cupressaceae family, are suitable to reduce the pollution levels, improving the air quality. However, some species with ornamental value are also very allergenic species whose planting should be regulated and their pollen production reduced by suitable pruning. The Aerobiological Index to create Risk maps for
Ornamental Trees (AIROT), in its previous version, already included parameters that other indexes did not consider, such as the width of the streets, the height of buildings and the geographical …
Hysplit As An Environmental Impact Assessment Tool To Study The Data Discrepancies Between Olea Europaea Airborne Pollen Records And Its Phenology In Sw Spain, Alejandro Monroy-Colín, J. M. Maya-Manzano, Rafael Tormo-Molina, Raúl Pecero-Casimiro, María Ángeles Gonzalo-Garijo, Santiago Fernández-Rodríguez
Hysplit As An Environmental Impact Assessment Tool To Study The Data Discrepancies Between Olea Europaea Airborne Pollen Records And Its Phenology In Sw Spain, Alejandro Monroy-Colín, J. M. Maya-Manzano, Rafael Tormo-Molina, Raúl Pecero-Casimiro, María Ángeles Gonzalo-Garijo, Santiago Fernández-Rodríguez
Articles
The olive tree (Olea europaea) is a native evergreen tree in the Mediterranean region, being one of the most important causes of seasonal respiratory allergies in Mediterranean countries. This work aims to relate flowering phenology, source tree distribution, meteorology, and airborne pollen records for this species and to analyse the possible arrival of air masses from distant areas during days when differences between the phenological and pollen peaks. Aerobiological sampling was carried out in Badajoz (SW Spain) for 4 years (2016–2019) using a Hirst volumetric sampler. Trees were geolocalized in the city and surrounding areas. The pollination phenology of 15 …
Biopharmaceutical Revolution In Saudi Arabia: Progress And Development, Rihana Alzahran, Elaine Harris
Biopharmaceutical Revolution In Saudi Arabia: Progress And Development, Rihana Alzahran, Elaine Harris
Articles
Purpose This paper aimed to analyze the situation of the biopharmaceutical industry in Saudi Arabia to improve the situation in a way that achieves high levels of development similar to those in Europe, the United States of America (USA), and Japan. Methods To achieve the objective of the study, the authors surveyed 18 out of 21 Saudi pharmaceutical companies that have received licensing for manufacturing from the Saudi Food and Drug Authority (SFDA) to diagnose the situation of manufacturing in relation to biopharmaceuticals. An interview with SFDA officials was carried out as a supplement to the survey. Results Findings revealed …
Marine Toxins Targeting Kv1 Channels: Pharmacological Tools And Therapeutic Scaffolds, Rocio K. Finol-Urdaneta, Aleksandra Belovanovic, Milica Micic-Vicovac, Gemma K. Kinsella, Jeffrey R. Mcarthur, Ahmed Al-Sabi
Marine Toxins Targeting Kv1 Channels: Pharmacological Tools And Therapeutic Scaffolds, Rocio K. Finol-Urdaneta, Aleksandra Belovanovic, Milica Micic-Vicovac, Gemma K. Kinsella, Jeffrey R. Mcarthur, Ahmed Al-Sabi
Articles
Toxins from marine animals provide molecular tools for the study of many ion channels, including mammalian voltage-gated potassium channels of the Kv1 family. Selectivity profiling and molecular investigation of these toxins have contributed to the development of novel drug leads with therapeutic potential for the treatment of ion channel-related diseases or channelopathies. Here, we review specific peptide and small-molecule marine toxins modulating Kv1 channels and thus cover recent findings of bioactives found in the venoms of marine Gastropod (cone snails), Cnidarian (sea anemones), and small compounds from cyanobacteria. Furthermore, we discuss pivotal advancements at exploiting the interaction of κM-conotoxin RIIIJ …
Mast Cell Stabilisers, Tao Zhang, Deirdre Frances Finn, James William Barlow, John Jarlath Walsh
Mast Cell Stabilisers, Tao Zhang, Deirdre Frances Finn, James William Barlow, John Jarlath Walsh
Articles
Mast cells play a critical role in type 1 hypersensitivity reactions. Indeed, mast cell mediators are implicated in many different conditions including allergic rhinitis, conjunctivitis, asthma, psoriasis, mastocytosis and the progression of many different cancers. Thus, there is intense interest in the development of agents which prevent mast cell mediator release or which inhibit the actions of such mediators once released into the environment of the cell. Much progress into the design of new agents has been made since the initial discovery of the mast cell stabilising properties of khellin from Ammi visnaga and the clinical approval of cromolyn sodium. …
Characterization Of Antimicrobial Effects Of Plasma-Treated Water (Ptw) Produced By Microwave-Induced Plasma (Midiplexc) On Pseudomonas Fluorescens Biofilms, Oliver Handorf, Viktoria Isabella Pauker, Thomas Weihe, Eric Freund, Sander Bekeschus, Katharina Riedel, Uta Schnabel, Jörg Ehlbeck
Characterization Of Antimicrobial Effects Of Plasma-Treated Water (Ptw) Produced By Microwave-Induced Plasma (Midiplexc) On Pseudomonas Fluorescens Biofilms, Oliver Handorf, Viktoria Isabella Pauker, Thomas Weihe, Eric Freund, Sander Bekeschus, Katharina Riedel, Uta Schnabel, Jörg Ehlbeck
Articles
stract: For the decontamination of surfaces in the food production industry, plasma generated compounds (PGCs) such as plasma-treated water (PTW) or plasma processed air (PPA) offer many promising possibilities for future applications. Therefore, the antimicrobial effect of water treated with microwave-induced plasma (MidiPLexc) on Pseudomonas fluorescensbiofilms was investigated. 10 ml deionized water was treated with the MidiPLexc plasma source for 100 s, 300 s and 900 s (pre-treatment time) and the bacterial biofilms were exposed to the PTW for 1 min, 3 min and 5 min (post treatment time). To investigate the influence of PTW on P. fluorescensbiofilms, microbiological assays …
Effect Of Atmospheric Cold Plasma On The Functional Properties Of Whole Wheat (Triticum Aestivum L.) Grain And Wheat Flour, Sonal Chaple, Chaitanya Sarangapani, John B. Jones, Ed Carey, Lucie Causeret, Annaik Genson, Brendan Duffy, Paula Bourke
Effect Of Atmospheric Cold Plasma On The Functional Properties Of Whole Wheat (Triticum Aestivum L.) Grain And Wheat Flour, Sonal Chaple, Chaitanya Sarangapani, John B. Jones, Ed Carey, Lucie Causeret, Annaik Genson, Brendan Duffy, Paula Bourke
Articles
Atmospheric cold plasma (ACP) has emerged as a novel processing technology, with demonstrated efficiencies in microbial inactivation. However, studies on the effects of ACP and potential to modify the functional properties of foods are sparse. The objective of this study is to determine the effect of ACP on physico-chemical and functional properties of wheat flour. In this study, both whole wheat grains and wheat flour were subjected to a dielectric barrier discharge (DBD) contained plasma reactor for a range of treatment times (5–30 min) at 80 kV. Plasma treatment increased the flour hydration properties of wheat flour. Rapid visco-analyser results …
Assessing The Biological Safety Of Atmospheric Cold Plasmatreated Wheat Using Cell And Insect Models, Agata Los, Dana Ziuzina, Daniela Boehn, Paula Bourke
Assessing The Biological Safety Of Atmospheric Cold Plasmatreated Wheat Using Cell And Insect Models, Agata Los, Dana Ziuzina, Daniela Boehn, Paula Bourke
Articles
Atmospheric cold plasma (ACP) is under investigation for an extensive range of biocontrol applications in food biosystems. However, the development of a novel intervention technology requires a thorough evaluation of the potential for negative effects and the implications for the human and animal food chains’ safety. The evaluations were performed using a contained, high-voltage, dielectric barrier discharge plasma system. The cytotoxicity of two types of food models—a liquid model (wheat model medium (WMM)) vs. a solid model (wheat grain extract (WGE)) was compared in vitro using the mammalian cell line CHO-K1. The residual toxicity of ACP treatment of grains for …