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Articles 3571 - 3600 of 6798
Full-Text Articles in Entire DC Network
A Cross-Sectional Survey Investigating Women’S Information Sources, Behaviour, Expectations, Knowledge And Level Of Satisfaction On Advice Received About Diet And Supplements Before And During Pregnancy, Gillian Funnell, Kevin Naicker, John Chang, Natasha Hill, Reem Kayyali
A Cross-Sectional Survey Investigating Women’S Information Sources, Behaviour, Expectations, Knowledge And Level Of Satisfaction On Advice Received About Diet And Supplements Before And During Pregnancy, Gillian Funnell, Kevin Naicker, John Chang, Natasha Hill, Reem Kayyali
School of Biomedical Sciences
No abstract provided.
From Liminoid To Limivoid: Understanding Contemporary Bungee Jumping From A Cross-Cultural Perspective, Bjørn Thomassen, Maja Balle
From Liminoid To Limivoid: Understanding Contemporary Bungee Jumping From A Cross-Cultural Perspective, Bjørn Thomassen, Maja Balle
Journal of Tourism Consumption and Practice
This article is about bungee jumping and how it reflects the world in which we live. During the 1980s bungee jumping became one of the most popular ways of seeking a ‘real experience’, when the practice was commercialised and introduced as a leisure activity all around the world. This happened in the same period as outdoor sport activities or ‘outdoor recreation’ exploded in kinds and numbers, clearly linked to the ‘experiential turn in tourism’ and the proliferation of ‘adventure tourism’. A key feature of these activities is the experience of danger: going to the limits, or indeed, standing on the …
Measurement Of Proton Leak In Isolated Mitochondria., Charles Affourtit, Hoi Shan Wong, Martin D. Brand
Measurement Of Proton Leak In Isolated Mitochondria., Charles Affourtit, Hoi Shan Wong, Martin D. Brand
School of Biomedical Sciences
Oxidative phosphorylation is an important energy-conserving mechanism coupling mitochondrial electron transfer to ATP synthesis. Coupling between respiration and phosphorylation is not fully efficient due to proton leaks. In this chapter, we present a method to measure proton leak activity in isolated mitochondria. The relative strength of a modular kinetic approach to probe oxidative phosphorylation is emphasized.
Researching Tourism: Reflexive Practice And Gender, Hazel Andrews, Pamila Gupta
Researching Tourism: Reflexive Practice And Gender, Hazel Andrews, Pamila Gupta
Journal of Tourism Consumption and Practice
No abstract provided.
”I Thought You Were One Of Those Modern Girls From Mumbai”: Gender, Reflexivity, And Encounters Of Indian-Ness In The Field, Pamila Gupta
”I Thought You Were One Of Those Modern Girls From Mumbai”: Gender, Reflexivity, And Encounters Of Indian-Ness In The Field, Pamila Gupta
Journal of Tourism Consumption and Practice
This paper is a reflection on my experiences of doing fieldwork in Goa, India (1999-2000) from my position as a „halfie‟ anthropologist, born in India, and raised and educated in the United States. I discuss three „significant fieldwork events‟ that shaped how I was perceived by „others‟(locals and tourists) in the field in order to both illuminate and complicate the gendered, racialized, and diasporic postcolonial politics of conducting anthropological research on the topics of tourism and religion. Further, I pose these encounters as dilemmas, not to be resolved but rather to be explored as impacting and complicating the fieldwork process …
Warming And Inhibition Of Salinization At The Ocean's Surface By Cyanobacteria, O. Wurl, K. Bird, M. Cunliffe, W. M. Landing, U. Miller, N. I.H. Mustaffa, M. Ribas-Ribas, C. Witte, C. J. Zappa
Warming And Inhibition Of Salinization At The Ocean's Surface By Cyanobacteria, O. Wurl, K. Bird, M. Cunliffe, W. M. Landing, U. Miller, N. I.H. Mustaffa, M. Ribas-Ribas, C. Witte, C. J. Zappa
School of Biological and Marine Sciences
No abstract provided.
Sorption Of Active Pharmaceutical Ingredients In Untreated Wastewater Effluent And Effect Of Dilution In Freshwater: Implications For An “Impact Zone” Environmental Risk Assessment Approach, Simone Bagnis, Mark Fitzsimons, Jason Snape, Alan Tappin, Sean Comber
Sorption Of Active Pharmaceutical Ingredients In Untreated Wastewater Effluent And Effect Of Dilution In Freshwater: Implications For An “Impact Zone” Environmental Risk Assessment Approach, Simone Bagnis, Mark Fitzsimons, Jason Snape, Alan Tappin, Sean Comber
School of Geography, Earth and Environmental Sciences
© 2017 Elsevier B.V. Evidence of ecotoxicological effects of active pharmaceuticals ingredients (APIs) has increased research into their environmental fate. In low and low-middle income countries (LLMICs) the main source of APIs to surface waters is from discharge of untreated wastewater. Consequently, concentrations of APIs can be relatively high in the “impact zone” downstream of a discharge point. Little is known about the fate of APIs in these impact zones. In this laboratory scale investigation, the effect of successive dilution of synthetic untreated wastewater (dilution factor 1 to 10) on the distribution of APIs was studied. The sorption was consistent …
Low Hazard Of Silver Nanoparticles And Silver Nitrate To The Haematopoietic System Of Rainbow Trout, Nathaniel J. Clark, Benjamin J. Shaw, Richard D. Handy
Low Hazard Of Silver Nanoparticles And Silver Nitrate To The Haematopoietic System Of Rainbow Trout, Nathaniel J. Clark, Benjamin J. Shaw, Richard D. Handy
School of Health Professions
No abstract provided.
Lethal Trap Created By Adaptive Evolutionary Response To An Exotic Resource, Mc Singer, C Parmesan
Lethal Trap Created By Adaptive Evolutionary Response To An Exotic Resource, Mc Singer, C Parmesan
School of Biological and Marine Sciences
Global transport of organisms by humans provides novel resources to wild species, which often respond maladaptively. Native herbivorous insects have been killed feeding on toxic exotic plants, which acted as ‘ecological traps’1,2,3,4. We document a novel ‘eco-evolutionary trap’ stemming from the opposite effect; that is, high fitness on an exotic resource despite lack of adaptation to it. Plantago lanceolata was introduced to western North America by cattle-ranching. Feeding on this exotic plant released a large, isolated population of the native butterfly Euphydryas editha from a longstanding trade-off between maternal fecundity and offspring mortality. Because of this release—and despite a reduced …
Similar But Separate Systems Underlie Perceptual Bistability In Vision And Audition, Sl Denham, D Farkas, R Van Ee, M Taranu, Et Al
Similar But Separate Systems Underlie Perceptual Bistability In Vision And Audition, Sl Denham, D Farkas, R Van Ee, M Taranu, Et Al
School of Psychology
The dynamics of perceptual bistability, the phenomenon in which perception switches between different interpretations of an unchanging stimulus, are characterised by very similar properties across a wide range of qualitatively different paradigms. This suggests that perceptual switching may be triggered by some common source. However, it is also possible that perceptual switching may arise from a distributed system, whose components vary according to the specifics of the perceptual experiences involved. Here we used a visual and an auditory task to determine whether individuals show cross-modal commonalities in perceptual switching. We found that individual perceptual switching rates were significantly correlated across …
Early Passaging Of Mesenchymal Stem Cells Does Not Instigate Significant Modifications In Their Immunological Behavior, Niketa Sareen, Glen Lester Sequiera, Rakesh Chaudhary, Ejlal Abu-El-Rub, Subir Roy Chowdhury, Vikram Sharma, Arun Surendran, Meenal Moudgil, Paul Fernyhough, Amir Ravandi, Sanjiv Dhingra
Early Passaging Of Mesenchymal Stem Cells Does Not Instigate Significant Modifications In Their Immunological Behavior, Niketa Sareen, Glen Lester Sequiera, Rakesh Chaudhary, Ejlal Abu-El-Rub, Subir Roy Chowdhury, Vikram Sharma, Arun Surendran, Meenal Moudgil, Paul Fernyhough, Amir Ravandi, Sanjiv Dhingra
School of Biomedical Sciences
No abstract provided.
Behavioral Learning In A Cognitive Neuromorphic Robot: An Integrative Approach, Thomas Wennekers, Angelo Cangelosi
Behavioral Learning In A Cognitive Neuromorphic Robot: An Integrative Approach, Thomas Wennekers, Angelo Cangelosi
School of Engineering, Computing and Mathematics
No abstract provided.
Development Of A Chemical Source Apportionment Decision Support Framework For Lake Catchment Management, Sean D.W. Comber, Russell Smith, Peter Daldorph, Michael J. Gardner, Carlos Constantino, Brian Ellor
Development Of A Chemical Source Apportionment Decision Support Framework For Lake Catchment Management, Sean D.W. Comber, Russell Smith, Peter Daldorph, Michael J. Gardner, Carlos Constantino, Brian Ellor
School of Geography, Earth and Environmental Sciences
© 2017 Elsevier B.V. Increasing pressures on natural resources has led to the adoption of water quality standards to protect ecological and human health. Lakes and reservoirs are particularly vulnerable to pressure on water quality owing to long residence times compared with rivers. This has raised the question of how to determine and to quantify the sources of priority chemicals (e.g. nutrients, persistent organic pollutants and metals) so that suitable measures can be taken to address failures to comply with regulatory standards. Contaminants enter lakes waters from a range of diffuse and point sources. Decision support tools and models are …
A New Wave Of Marine Evidence-Based Management: Emerging Challenges And Solutions To Transform Monitoring, Evaluating, And Reporting, P. F.E. Addison, D. J. Collins, R. Trebilco, S. Howe, N. Bax, P. Hedge, G. Jones, P. Miloslavich, C. Roelfsema, M. Sams, R. D. Stuart-Smith, P. Scanes, Baumgarten P Von, A. Mcquatters-Gollop
A New Wave Of Marine Evidence-Based Management: Emerging Challenges And Solutions To Transform Monitoring, Evaluating, And Reporting, P. F.E. Addison, D. J. Collins, R. Trebilco, S. Howe, N. Bax, P. Hedge, G. Jones, P. Miloslavich, C. Roelfsema, M. Sams, R. D. Stuart-Smith, P. Scanes, Baumgarten P Von, A. Mcquatters-Gollop
School of Biological and Marine Sciences
No abstract provided.
Micro, Meso, And Macro Data Collection And Analysis, As A Method For Speculative And Artistic Exploration, S Didakis
School of Art, Design and Architecture
In this work, an attempt is made to explore the emerging computationally-enhanced private and public environments by analyzing their ecological transitions and its implications on practical, aesthetic, and speculative dimensions. The author has decided to methodologically dissect the multiplicity of information that exists on many possible-to-detect scales (micro, meso, macro), and utilize this extraction as a tool for experimentation and redefinition. With the use of custom-made hardware and software utilities (sensor devices, sentiment analysis algorithms, online APIs, and many more), a vast amount of data is collected and used as a multidimensional layered architecture that constantly shifts and transforms. The …
Coryphaena Hippurus: A Potential Predator Of Lagocephalus Sceleratus In The Mediterranean Sea, P Kleitou, S Kalogirou, D Marmara, I Giovos
Coryphaena Hippurus: A Potential Predator Of Lagocephalus Sceleratus In The Mediterranean Sea, P Kleitou, S Kalogirou, D Marmara, I Giovos
School of Biological and Marine Sciences
Lagocephalus sceleratus is considered as one of the most invasive Lessepsian immigrants introduced in the Mediterranean Sea. It is a highly toxic fish, considered as a pest for fisheries, the environment and the economy. Hitherto, its invasion has been favoured by the lack of natural predators and its noncommercial value. The present study reports the first published incidence of a juvenile L. sceleratus predation in the Mediterranean by an adult Coryphaena hippurus. This constitute a significant finding which can potentially guide future management efforts of L. sceleratus control in the basin; however, further research should be conducted to elucidate whether …
Glycerol Positive Promoters For Tailored Metabolic Engineering Of The Yeast Saccharomyces Cerevisiae., Ping Wei Ho, Mathias Klein, Matthias Futschik, Elke Nevoigt
Glycerol Positive Promoters For Tailored Metabolic Engineering Of The Yeast Saccharomyces Cerevisiae., Ping Wei Ho, Mathias Klein, Matthias Futschik, Elke Nevoigt
School of Biomedical Sciences
Glycerol offers several advantages as a substrate for biotechnological applications. An important step towards using the popular production host Saccharomyces cerevisiae for glycerol-based bioprocesses have been recent studies in which commonly used S. cerevisiae strains were engineered to grow in synthetic medium containing glycerol as the sole carbon source. For metabolic engineering projects of S. cerevisiae growing on glycerol, characterized promoters are missing. In the current study, we used transcriptome analysis and a yECitrine-based fluorescence reporter assay to select and characterize 25 useful promoters. The promoters of the genes ALD4 and ADH2 showed 4.2- and 3-fold higher activities compared to …
On The Enigma Of Glutathione-Dependent Styrene Degradation In Gordonia Rubripertincta Cwb2, T Heine, J Zimmerling, A Ballmann, Sb Kleeberg, Et Al
On The Enigma Of Glutathione-Dependent Styrene Degradation In Gordonia Rubripertincta Cwb2, T Heine, J Zimmerling, A Ballmann, Sb Kleeberg, Et Al
School of Biomedical Sciences
Among bacteria, only a single styrene-specific degradation pathway has been reported so far. It comprises the activity of styrene monooxygenase, styrene oxide isomerase, and phenylacetaldehyde dehydrogenase, yielding phenylacetic acid as the central metabolite. The alternative route comprises ring-hydroxylating enzymes and yields vinyl catechol as central metabolite, which undergoes meta-cleavage. This was reported to be unspecific and also allows the degradation of benzene derivatives. However, some bacteria had been described to degrade styrene but do not employ one of those routes or only parts of them. Here, we describe a novel “hybrid” degradation pathway for styrene located on a plasmid of …
Employing Participatory Methods To Engage An Under-Researched Group: Opportunities And Challenges, Clare Pettinger, Gayle Letherby, Julie M. Parsons, Lyndsey Withers, Miranda Cunningham, Andrew Whiteford, G D'Aprano, Richard Ayres, Carole Sutton
Employing Participatory Methods To Engage An Under-Researched Group: Opportunities And Challenges, Clare Pettinger, Gayle Letherby, Julie M. Parsons, Lyndsey Withers, Miranda Cunningham, Andrew Whiteford, G D'Aprano, Richard Ayres, Carole Sutton
School of Health Professions
No abstract provided.
Increased Winter-Mean Wave Height, Variability And Periodicity In The North-East Atlantic Over 1949-2017, Gerhard Masselink, Tim Scott
Increased Winter-Mean Wave Height, Variability And Periodicity In The North-East Atlantic Over 1949-2017, Gerhard Masselink, Tim Scott
School of Biological and Marine Sciences
No abstract provided.
Density-Dependent Responses Of The Brittlestar Amphiura Filiformis To Moderate Hypoxia And Consequences For Nutrient Fluxes, R. N. Calder-Potts, J. I. Spicer, P. Calosi, H. S. Findlay, A. M. Queirós, S. Widdicombe
Density-Dependent Responses Of The Brittlestar Amphiura Filiformis To Moderate Hypoxia And Consequences For Nutrient Fluxes, R. N. Calder-Potts, J. I. Spicer, P. Calosi, H. S. Findlay, A. M. Queirós, S. Widdicombe
School of Biological and Marine Sciences
No abstract provided.
Comparative Genomics Of Bdelloid Rotifers: Insights From Desiccating And Non-Desiccating Species, Reuben W. Nowell, Pedro Almeida, Christopher G. Wilson, Thomas P. Smith, Diego Fontaneto, Alastair Crisp, Gos Micklem, Alan Tunnacliffe, Chiara Boschetti, Timothy G. Barraclough
Comparative Genomics Of Bdelloid Rotifers: Insights From Desiccating And Non-Desiccating Species, Reuben W. Nowell, Pedro Almeida, Christopher G. Wilson, Thomas P. Smith, Diego Fontaneto, Alastair Crisp, Gos Micklem, Alan Tunnacliffe, Chiara Boschetti, Timothy G. Barraclough
School of Biological and Marine Sciences
No abstract provided.
Different Dose-Dependent Modes Of Action Of C-Type Natriuretic Peptide On Pseudomonas Aeruginosa Biofilm Formation., F Desriac, T Clamens, T Rosay, S Rodrigues, Et Al
Different Dose-Dependent Modes Of Action Of C-Type Natriuretic Peptide On Pseudomonas Aeruginosa Biofilm Formation., F Desriac, T Clamens, T Rosay, S Rodrigues, Et Al
School of Biomedical Sciences
We have previously shown that the C-type Natriuretic Peptide (CNP), a peptide produced by lungs, is able to impact Pseudomonasaeruginosa physiology. In the present work, the effect of CNP at different concentrations on P. aeruginosa biofilm formation was studied and the mechanisms of action of this human hormone on P. aeruginosa were deciphered. CNP was shown to inhibit dynamic biofilm formation in a dose-dependent manner without affecting the bacterial growth at any tested concentrations. The most effective concentrations were 1 and 0.1 µM. At 0.1 µM, the biofilm formation inhibition was fully dependent on the CNP sensor protein AmiC, whereas …
Prior Knowledge In Mathematics And Study Success In Engineering: Informational Value Of Learner Data Collected From A Web-Based Pre-Course, K Derr, R Hübl, Mz Ahmed
Prior Knowledge In Mathematics And Study Success In Engineering: Informational Value Of Learner Data Collected From A Web-Based Pre-Course, K Derr, R Hübl, Mz Ahmed
School of Engineering, Computing and Mathematics
The article describes the development and evaluation of a web-based pre-course in mathematics, delivered to four cohorts of engineering students at a German university. Based on demographic, personal, and learning-related data relationships between students’ preconditions, their learning gains in the pre-course, and study success in the degree programme were analysed. The results support the existing literature in that domain-related prior knowledge and secondary school achievement play a dominant role regarding study success in engineering. The analyses also showed that the influence of cognitive predictors could only be compensated for by a strong learner engagement. At-risk students with high pre-course learning …
Chemolithoheterotrophy: Means To Higher Growth Yields From This Widespread Metabolic Trait, R Boden, Lp Hutt
Chemolithoheterotrophy: Means To Higher Growth Yields From This Widespread Metabolic Trait, R Boden, Lp Hutt
School of Biological and Marine Sciences
No abstract provided.
A Comparison Of Ground-Based Methods For Estimating Canopy Closure For Use In Phenology Research, Am Smith, Pm Ramsay
A Comparison Of Ground-Based Methods For Estimating Canopy Closure For Use In Phenology Research, Am Smith, Pm Ramsay
School of Biological and Marine Sciences
Abstract Climate change is influencing tree phenology, causing earlier and more prolonged canopy closure in temperate forests. Canopy closure is closely associated with understorey light, so shifts in its timing have wide-reaching consequences for ecological processes in the understorey. Widespread monitoring of forest canopies through time is needed to understand changes in light availability during spring in particular. Canopy openness, derived from hemispherical photography, has frequently been used as a proxy for understorey light. However, hemispherical photography is relatively resource intensive, so we tested a range of inexpensive alternatives for monitoring variability in canopy closure (visual estimation, canopy scope, smartphone …
Precession And Atmospheric Co₂ Modulated Variability Of Sea Ice In The Central Okhotsk Sea Since 130,000 Years Ago, Li Lo, Simon T. Belt, Julie Lattaud, Tobias Friedrich, Christian Zeeden, Stefan Schouten, Lukas Smik, Axel Timmermann, Patricia Cabedo-Sanz, Jyh Jaan Huang, Liping Zhou, Tsong Hua Ou, Yuan Pin Chang, Lc Wang, Yu Min Chou, Chuan Chou Shen, Min Te Chen, Kuo Yen Wei, Sheng Rong Song, Tien Hsi Fang, Sergey A. Gorbarenko, Wl Wang, Teh Quei Lee, Henry Elderfield, David A. Hodell
Precession And Atmospheric Co₂ Modulated Variability Of Sea Ice In The Central Okhotsk Sea Since 130,000 Years Ago, Li Lo, Simon T. Belt, Julie Lattaud, Tobias Friedrich, Christian Zeeden, Stefan Schouten, Lukas Smik, Axel Timmermann, Patricia Cabedo-Sanz, Jyh Jaan Huang, Liping Zhou, Tsong Hua Ou, Yuan Pin Chang, Lc Wang, Yu Min Chou, Chuan Chou Shen, Min Te Chen, Kuo Yen Wei, Sheng Rong Song, Tien Hsi Fang, Sergey A. Gorbarenko, Wl Wang, Teh Quei Lee, Henry Elderfield, David A. Hodell
School of Geography, Earth and Environmental Sciences
© 2018 Elsevier B.V. Recent reduction in high-latitude sea ice extent demonstrates that sea ice is highly sensitive to external and internal radiative forcings. In order to better understand sea ice system responses to external orbital forcing and internal oscillations on orbital timescales, here we reconstruct changes in sea ice extent and summer sea surface temperature (SSST) over the past 130,000 yrs in the central Okhotsk Sea. We applied novel organic geochemical proxies of sea ice (IP 25 ), SSST (TEXL86) and open water marine productivity (a tri-unsaturated highly branched isoprenoid and biogenic opal) to marine sediment core MD01-2414 (53°11.77′N, …
Vision-Based Autonomous Landing Of A Quadrotor On The Perturbed Deck Of An Unmanned Surface Vehicle, Riccardo Polvara, Sanjay Sharma, Jian Wan, Andrew Manning, Robert Sutton
Vision-Based Autonomous Landing Of A Quadrotor On The Perturbed Deck Of An Unmanned Surface Vehicle, Riccardo Polvara, Sanjay Sharma, Jian Wan, Andrew Manning, Robert Sutton
School of Engineering, Computing and Mathematics
No abstract provided.
Arm Hooks Of Coleoid Cephalopods From The Jurassic Succession Of The Wessex Basin, Southern England, M. B. Hart, Z. Hughes, K. N. Page, G. D. Price, C. W. Smart
Arm Hooks Of Coleoid Cephalopods From The Jurassic Succession Of The Wessex Basin, Southern England, M. B. Hart, Z. Hughes, K. N. Page, G. D. Price, C. W. Smart
School of Geography, Earth and Environmental Sciences
© 2018 The Geologists' Association The Jurassic succession of the Wessex Basin – especially that cropping out within the Dorset and East Devon Coast World Heritage Site – contains important lagerstätten for coleoid cephalopods. The Blue Lias and Charmouth Mudstone formations of West Dorset, the Oxford Clay Formation of North Wiltshire and the Kimmeridge Clay Formation of Purbeck have provided large numbers of important body fossils that inform our knowledge of coleoid palaeobiology, including the hooks present in the arms. Isolated hooks are also found in the processed residues studied by micropalaeontologists and these occurrences can be used – in …
Nanomaterials In The Environment: Behavior, Fate, Bioavailability, And Effects-An Updated Review., Jr Lead, Ge Batley, Pjj Alvarez, M-N Croteau, Rd Handy, Mj Mclaughlin, Jd Judy, K Schirmer
Nanomaterials In The Environment: Behavior, Fate, Bioavailability, And Effects-An Updated Review., Jr Lead, Ge Batley, Pjj Alvarez, M-N Croteau, Rd Handy, Mj Mclaughlin, Jd Judy, K Schirmer
School of Biological and Marine Sciences
This review covers developments in studies of nanomaterials (NMs) in the environment, since the much-cited review of Klaine et al. (2008). It discusses novel insights on fate and behavior, metrology, transformations, bioavailability, toxicity mechanisms and environmental impacts, with a focus on terrestrial and aquatic systems. Overall the findings were that: i) despite the substantial developments, there remain critical gaps, in large part due to the lack of analytical, modelling and field capabilities and in part due to the breadth and complexity of the area; ii) a key knowledge gap is the lack of data on environmental concentrations and dosimetry generally; …