cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Revista para Publicação de Artigos Científicos Grátis
Creators: name: SOUZA, Marcos Alexandre de
Publisher: name: Zenodo
Year: 2025
Subjects: revista para publicação
artigos científicos grátis
plataforma
pesquisa
comunidade acadêmica
submissão
revisão
faculdade
fasouza

description: Você é um pesquisador ávido em busca do lugar perfeito para publicar seus artigos científicos? Se sim, não procure mais! Nossa revista é a plataforma ideal para você compartilhar suas descobertas com a comunidade acadêmica.

Com uma ampla gama de áreas temáticas, desde ciências sociais até ciências exatas, nossa revista está aberta a todos os campos de pesquisa. Desenvolvemos um ambiente inclusivo, onde pesquisadores de todo o mundo podem contribuir com seu conhecimento.

Além de disponibilizar seus artigos de forma gratuita, também oferecemos suporte técnico aos autores durante todo o processo de submissão e revisão. Nossa equipe de especialistas garante que seu artigo seja avaliado de forma justa, proporcionando feedback construtivo para o aprimoramento do trabalho.Não perca a oportunidade de publicar seu artigo em uma revista renomada e acessível. Faça parte da nossa comunidade e ajude a impulsionar o progresso científico!
Finite Element Modelling of Steel/Concrete Bond for Corroded Reinforcement
Creators: name: Du, Qixin
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2016
Subjects: Concrete
Corrosion
Finite element analysis
Bond deterioration
Flexural behaviour

description: Reinforcement corrosion is the most common deterioration problem observed in reinforced concrete (RC) structures located at coastal or cold regions. The corrosion process can impact the performance of these structures by inducing damage on the bonding action between concrete and steel, either by the splitting of the concrete cover due to the volumetric expansion of corrosion products or the lubricant effect at the steel/concrete interface as the corrosion by-products accumulate. The current research aims at investigating corrosion-induced deterioration of bond between steel and concrete through finite element (FE) analysis of the flexural behaviour of corroded RC components. By treating the concrete cover as a thick-wall cylinder subjected to internal pressure, the analytical evaluation of impaired bond capacity is studied first and verified against published bonding tests. Then, the formulation of a numerical model is performed using ABAQUS, wherein a link element to simulate the bond behaviour is formulated and implemented through the ABAQUS user-subroutine (UEL) feature according to the validated analytical model. By introducing corrosion-induced damages, i.e., smaller cross-sectional area of reinforcement, splitting of concrete and bond deterioration, in the FE analyses, the results of the numerical model show good agreement with experimental observations. Upon validation of the analytical and FE models, a parametric investigation is conducted, wherein the effects of concrete strength, dimension of reinforcing bars, properties of oxide products, different corrosion damage mechanisms and the corrosion location along the longitudinal reinforcement on the flexural behaviour of RC beams are studied. The results show that the analytical evaluation for bond degradation is impacted by the selection of the post-cracking material model and the thickness of cover that determine the ‘holding capacity’ after cracking initiation. Also, the density of rust by-products affects the results of the analytical model at high corrosion levels. From the FE model results, it was observed that each damage mechanism due to corrosion contribute to different levels of flexural degradation, although the flexural strength degradation is mainly due to the loss of bonding action. The parametric study also demonstrates that flexural members which have reinforcement corrosion initiated near the supports suffer greater deterioration in flexural capacity than those with damages at mid span. Finally, based on these observations, suggestions for the application of both analytical and numerical models are made.
Data from the Arizona FACE (Free-Air CO2 Enrichment) Experiments on Wheat at Ample and Limiting Levels of Water and Nitrogen
Creators: name: Kimball, Bruce Arnold
name: Pinter Jr., Paul J.
name: LaMorte, Robert L.
name: Wechsung, Gabriele
Publisher: name: My University
Year: 2017
Subjects: Kohlendioxid
Weizen
Wassermangel
Stickstoff
Klimaänderung
Globale Veränderung

description: Four free-air CO2 enrichment (FACE) experiments were conducted on wheat (Triticum aestivum L. cv. Yecora Rojo) at Maricopa, Arizona, U.S.A. from December, 1992 through May, 1997. The first two were conducted at ample and limited (50% of ample) supplies of water, and second two at ample (350 kg N ha-1) and limited (70 and 15 kg N ha-1) supplies of fertilizer nitrogen. More than 50 scientists participated, and they collected a large and varied set of data on plant, soil, and microclimatic responses to the elevated CO2 and its interactions with the water and N treatments. The dataset has been popular with wheat growth modelers who have utilized the growth, yield, and other data to validate their models, which get used to predict likely future wheat productivity with projected global change. The dataset assembled herein contains many of these data, including management, soils, weather, physiology, phenology, biomass growth, leaf area, yield, quality, canopy temperatures, energy balance, soil moisture, nitrogen assimilation, and other data. Quelle: Verlagsinformation
Propagation of UHE cosmic rays in the light of f(R) gravity power-law model
Creators: name: Sarmah, Swaraj Pratim
Publisher: name: arXiv
Year: 2025
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: While the origins of ultra-high energy (UHE) cosmic rays (CRs) remain shrouded in uncertainty, several important milestones have been reached in recent years in the experimental study of CRs with energy above 1018 eV. Within the vast expanse of intergalactic space, turbulent magnetic fields (TMFs) are believed to pervade, and these fields could exert a significant influence on the journey of UHECRs across the expanding Universe, which is currently undergoing acceleration. Thus, it is imperative to incorporate these considerations into our theoretical framework to gain a deeper understanding of the empirical observations related to UHECRs. In light of this, our research delves into the impact of UHE particle diffusion in the presence of TMFs, all within the context of the f(R) gravity power-law model. Based on this f(R) model, we explore the diffusive behavior of UHECR protons, particularly focusing on their density enhancement throughout their propagation and their energy spectrum. We found that the f(R) gravity model considered here plays an effective role in the propagation of CRs and the results have lain within our range of interest. Also, we compare our results for flux with observational data like the Pierre Auger Observatory (PAO) and Telescope Array (TA).
description: Published in Journal of Physics : Conference Series
Methylmercury Neurotoxicity and Interactions with Selenium
Creators: name: Campbell, Sonja Gray
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2015
Subjects: Astrocyte
Mercury
Methylmercury
Nanoparticle
Neurotoxicity
Selenium

description: Methylmercury (MeHg) is a ubiquitous contaminant and potent neurotoxicant with no completely effective therapy, although selenium antagonises MeHg toxicity. Furthermore, nanoparticles are promising as a novel drug delivery system. We researched the potential of selenium nanoparticles (SeNPs) in antagonising MeHg neurotoxicity compared to selenomethionine (SeMet) using primary astrocyte cell cultures and examining outcomes related to oxidative stress. We found that SeNPs were more toxic than SeMet. Increasing SeNPs significantly decreased MeHg cellular uptake and MeHg significantly decreased uptake of SeNPs at the highest concentration. Finally, SeNPs alone produced significantly higher reactive oxidative species and altered the ratio of reduced-to-oxidised glutathione, but MeHg, SeMet, and co-exposures did not. There were no significant effects on glutathione peroxidase or reductase activity. This suggests that SeNPs are more toxic than MeHg in cerebellar astrocytes and that they may not be suitable as a therapy at the doses and formulation used in this research.
Users informing users: a web 2.0 approach to information about accessible telecommunications for people with disability
Creators: name: Morsillo, Robert
name: Garrett, Rob
Publisher: name: Swinburne
Year: 2024

description: This proposed presentation will open up discussion on a current Web 2.0 project intended to help address the information requirements of people with disability needing accessible and reliable telecommunications solutions. Its genesis came out of long discussions between the authors about the effectiveness for consumers of the Communications Alliance industry code C625:2009 Information on Accessibility Features for Telephone Equipment. It was suggested by one of us, Robert Morsillo, that a Wiki based web solution that allowed users, carers, industry experts and others to share relevant information and recommendations, and actual experience on the accessibility of communications products and services in Australia, might allow consumers to act with greater confidence in the market, as well as influence that market. Further, surveys among people with complex communications needs (CCN) and/ or severe communications impairments (SCI), by one of us, Rob Garrett, indicated that information availability was a high priority issue for these groups. This new project, funded primarily by ACCAN, with in-kind support and funds from ACE, Telstra and Novita, is seeking to address this issue in a way that can be scaled to meet the information needs of all consumers with an interest in accessibility of telecommunications products and services.
Updating the Emission Factors for Large Combustion Plants
Creators: name: Beckers, Rolf
name: Juhrich, Kristina
Publisher: name: Umweltbundesamt
Year: 2019
Subjects: subject: Luftschadstoff
subject: Großfeuerungsanlage
subject: Bestandsaufnahme
subject: Emissionsfaktor
subject: Stickstoffdioxid
subject: Staub
subject: Quecksilber
subject: Kohlenmonoxid
subject: Emission
subject: pollutant
subject: large combustion plants
subject: inventory
subject: emission factor
subject: sulfur dioxide
subject: nitrogen dioxide
subject: particle
subject: carbon monoxide
subject: mercury
subject: Climate | Energy

description: Großfeuerungsanlagen sind nach wie vor eine wichtige Emissionsquelle für verschiedene Luftschadstoffe. Bis Mitte der 1990er Jahre kam es zu deutlichen Emissionsrückgängen bei Staub, Schwefeldioxid, Stickstoffdioxid und Kohlenmonoxid. Danach blieben die spezifischen Emissionen über viele Jahre weitgehend stabil. Im Zuge von gesetzlichen Änderungen, einer veränderten Zusammensetzung des Anlagenparks sowie geänderten Brennstoffeinsätzen kam es in den letzten Jahren zu einer deutlichen Minderung für Schwefeldioxid (SO2) aber auch zu Änderungen bei NOX und Staub. Daher war eine Aktualisierung der bestehenden Faktoren zwingend notwendig. Aufgrund der gesetzlichen Regelungen und der damit verbundenen Messverpflichtungen, sind für diese Schadstoffe umfangreiche Daten vorhanden. Die verfügbaren Emissionswerte wurden für verschiedene Jahre ausgewertet. Als Ergebnis werden die spezifischen Emissionsfaktoren in dem folgenden Dokument dargestellt und gegebenenfalls qualitativ bewertet. Quelle: http://www.umweltbundesamt.de/
description: Large combustion plants are still a major source of emissions of various air pollutants. By the mid-1990s, emissions of particulate matter, sulphur dioxide, nitrogen dioxide and carbon monoxide had declined significantly. Thereafter, the specific emissions remained largely stable over many years. In the course of regulatory changes, a changing composition of the plant park as well as changes in fuel usage, there has been a significant reduction for sulphur dioxide (SO2) in recent years, but also changes for NOX and particulate matter. It was therefore essential to update the existing factors. Due to the regulatory requirements and the associated monitoring obligations, extensive data are available for these pollutants. The available emission values were evaluated for various years. As a result, the specific emission factors are presented in the following document and, if necessary, qualitatively evaluated. Quelle: http://www.umweltbundesamt.de/
description: Due to various international agreements, Germany is obliged to report emissions of air pollutants annually. ⁠Emission⁠ inventories are calculated using the fuel inputs known from the statistics and the associated fuel-specific emission factors. For large combustion plants comprehensive data on air pollutants are available on the basis of numerous measurements. These data were evaluated, calculated and quality-tested for the emission inventory. The report contains the evaluation and description of the emission factors for the years 2005 - 2016.
A bridging design prototype for investigating concept mapping in the preschool community
Creators: name: Gomez, Gloria
Publisher: name: Swinburne
Year: 2024

description: This paper reports on studies where teachers from two different preschools incorporated a Bridging Design Prototype (BDP) for concept mapping into classroom activities. Designed under inclusive, participatory, and user-centered principles, the BDP was used to perform observations for assessing an interaction problem and refining the user community profile. The observation findings will inform next stage of product development.
A Phenomenological Inquiry: The Impact of the Process of Dietary Acculturation and the Nutritional Discourse in Canada on Female Immigrants with Type II diabetes
Creators: name: Katem, Eman
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2015
Subjects: dietary acculturation
nutritional communication
healthy immigrant effect
health communication
Arab-speaking females
type II diabetes
communication accomodation theory
health literacy

description: Nutritional communication research helps with public health promotion, government dietary intervention and future outlooks for the dietetics profession. This research explores the way health professionals target niche population groups to educate on nutrition. The phenomenological methodology and the Communication Accommodation theory framework guided interviews with 10 Arab-speaking females diagnosed with type II diabetes or prediabetes. The findings reveal eight major underlying themes: language, socio-economic impact, level of integration/adaption to new environment, role of religion in life, health is a personal responsibility, role of family/specific family members, role of health professional and views on the Canadian food/culture. Ultimately, dietary acculturation of the sample group is influenced by level of English language proficiency, health literacy, exposure to health information and cultural values.
Change Detection in Satellite Images Obtained by Means of Mexican Hat Wavelets and Anaglyph Maker Software
Creators: name: Sparavigna, Amelia Carolina
Publisher: name: Zenodo
Year: 2020
Subjects: Image Processing
Change Detection
Satellite Imagery
Wavelets
Ricker Wavelet
Mexican Hat Filter
Image J
GIMP
Anaglyph Maker

description: In recent years the research on the Change Detection, applied to data and images obtained by means of satellite remote sensing, has collected a huge number of publications concerning methods and algorithms, based on several different approaches. Here we consider the use of wavelets, and propose an approach for change detection, which is involving an anaglyph maker software for rendering the variations in images. The wavelets used are the Mexican Hat wavelets of ImageJ and the anaglyph maker software is that developed by Takashi Sekitani, Tokyo.
Recommendations for reducing micropollutants in waters
Creators: name: Ahting, Maren
name: Brauer, Frank
name: Duffek, Anja
name: Ebert, Ina
name: Eckhardt, Alexander
name: Hassold, Enken
name: Helmecke, Manuela
name: Kirst, Ingo
name: Krause, Bernd
name: Lepom, Peter
name: Leuthold, Sandra
name: Mathan, Cindy
name: Mohaupt, Volker
name: Moltmann, Johann F.
name: Müller, Alexandra
name: Nöh, Ingrid
name: Pickl, Christina
name: Pirntke, Ulrike
name: Pohl, Korinna
name: Rechenberg, Jörg
name: Suhr, Michael
name: Thierbach, Claudia
name: Tietjen, Lars
name: Von Der Ohe, Peter C.
name: Winde, Christine
Publisher: name: My University
Year: 2018
Subjects: subject: Spurenstoff
subject: Gewässerbelastung
subject: Wasserschutz
subject: micropollutant
subject: waste water pollution
subject: water protection
subject: Water

description: Residues of medicinal products, pesticides, biozides and other chemicals can adversely affect the environment and human health already in low concentrations. These micropollutants are increasingly detected in our waters not least due to improved analytics. Precautionary measures are needed to prevent future stresses on our waterbodies. Therefore, the German Environment Agency (⁠UBA⁠) has analysed entry pathways, named critical substance characteristics and proposed a combination of measures consisting of measures at the source, in use and for wastewater treatment serving the objective of comprehensive water protection.
Motion Pattern of the Healthy Yoga Practitioner – Kinetics and Kinematics of the Lower Extremity During Three Yoga Postures and Comparison to Three Activitiesm of Daily Living
Creators: name: Whissell, Elizabeth
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2015
Subjects: Yoga
Biomechanics
Kinetics
Kinematics
Lower extremity
Motion pattern

description: The purpose of this study was to establish a motion pattern by characterizing the kinetics and kinematics associated with the hip, knee and ankle joint of a group of healthy yoga teachers when performing three yoga postures and comparing them to three activities of daily living (ADL). A group of experienced female yoga practitioners (n = 13), with a minimum of 5 years teaching experience, between the ages of 20 to 45, performed the Lunge, Warrior II, and Triangle poses starting from Downward Dog. The kinetic and kinematic data of the yoga practitioners was collected when performing yoga postures. The step length, joint angles, range of motion (ROM), joint moments, and angular impulse in sagittal and frontal plane were studied for the hip, knee and ankle during performance. The data were averaged, descriptive statistics of the measures were obtained, and results for each posture as well as for the average yoga practice were presented in tables and figures with standard deviation. The percentages of change and effect sizes were calculated to compare yoga movements to ADL. The stride lengths were similar in the Lunge (1.98m), Warrior II (1.51m), and Triangle (1.43m). The motion patterns of the Lunge and the Warrior II poses follow similar joint angle and joint moment, and angular impulse patterns, whereas the Triangle pose creates distinctly different patterns in most joints and planes. In the Lunge and Warrior II poses, the knee joint reaches a maximal flexion angle of 73.76° and 67.69° respectively, 18% to 32% less than what is classically instructed in a yoga class. The knee reached 9.5° of extension while in Triangle pose. The hip contributed 50-70% of the angular impulse in the lower limb in all three yoga movements. When comparing to ADL, ROM was only greater in the hip in of sagittal plane motion and in the knee if frontal plane motion, and most of the joint moments of the lower extremity were notably smaller in ADL for the minimal values and notably larger for the maximal values in yoga. In conclusion, this is first time to establish the kinematics and kinetics motion patterns of three yoga movement which become a basis for further studying yoga biomechanics and its application. Moreover the motion pattern data suggests that yoga experts do not yoga as practice the Lunge and Warrior poses as classically described in yoga book for the knee and Triangle pose may place the knee in a precarious alignment. Yoga has high demanding to hip strength and ROM, which may help to improve hip strength and subsequently benefit to dynamic stability in gait.
Not just 'books, duh': information interaction in an academic library
Creators: name: McKay, Dana
Publisher: name: Swinburne
Year: 2024

description: Libraries are places that people visit online or in person with the specific intention of interacting with information. While library users (including schoolchildren, the reading public, university students and researchers) visit the library to gather information, they are often frustrated by library information systems. This frustration leads to users preferring more user-friendly resources (such as Google) over library resources. Libraries' user experience problems make them a rich and exciting field for Human Computer Interaction (HCI), as evidenced by (for example) Fried-Foster and Gibbons (2007) and Crabtree et al. (1997). Understanding libraries have user experience problems, Swinburne University of Technology employs the author as a User Experience Architect where her role is to provide research-based evidence to support the library in making user-centric decisions. In her work she draws on theoretical HCI, library and HCI research, and local empirical data (either from existing sources, or by applying human-computer interaction techniques to study the local population). Two examples of her current work are outlined below.
Rights and responsibilities: reclaiming human rights in political discourse
Creators: name: Fiske, Lucy
name: Briskman, Linda
Publisher: name: Swinburne
Year: 2024

description: Discussion regarding the balance and inherent worth of both rights and responsibilities is long-standing and exists outside the political domain. In recent times neo-conservative political agendas, including in Australia, have diminished the currency of rights with policy swings towards responsibilities and obligations, targeted at the most marginalised groups. At the same time rights are recognised and selectively applied to dominant and privileged groups in society. This paper explores some of the philosophical and political concepts of rights and responsibilities, grounding this discussion in Australian case examples of policies of responsibility directed at two groups 'othered' in the dominant policy domain - Indigenous Australians and migrants and refugees. Analysing these examples through the framework of horizontal and vertical axes of political obligation, we propose that both rights and responsibilities can provide a useful schema for critiquing and understanding Australian policies. They also provide leads for vigilance for policy activists and policy practitioners to ensure a critical engagement with ongoing policy trends.
An Investigation of Sigma-1 Receptor Involvement in Glutamatergic Synaptic Physiology, Implications for Alzheimer’s Disease
Creators: name: McCann, Kieran
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2015
Subjects: Sigma-1 receptor
NMDA Receptor
Alzheimer's Disease
Hippocampus
Electrophysiology
Pyramidal neuron

description: The sigma-1 receptor (sig-1R) is a unique endoplasmic reticulum (ER) chaperone protein that interacts with a variety of voltage- and ligand-gated ion channels, which are components of an intricate system that regulates neuronal functioning. While there is an extensive body of knowledge pertaining to the sig-1R, many questions remain. The first question this thesis addresses is how the sig-1R modulates the functioning of the N-methyl-D-aspartate receptor (NMDAR). Using a heterologous expression system, I provide evidence that the mechanism of modulation is likely not a direct interaction between sig-1R and NMDAR and that this is not affected by the presence or absence of the membrane-associated guanylate kinases (MAGUK) protein PSD-95. The next question addressed investigates the impact of sig-1R absence on the synaptic physiology and action potential firing of CA1 pyramidal neurons. It was found that there is not a significant difference in these parameters, suggesting a non-essential role of the sig- 1R under normal physiological conditions. The third topic covered in my studies explores the sig-1R KO mouse in the Aβ25-35 infusion model of Alzheimer’s disease (AD). Preliminary results suggest that there is a dysfunction in the action potential characteristics and after- hyperpolarization characteristics of challenged sig-1R KO mice. Overall my results provide the groundwork for future experiments that will lead to a better understanding of the sig-1R and its role in cellular and synaptic physiology.
Developing Heterologous Expression Platforms for the Production of Polyketides from Microbial Hosts
Creators: name: Stevens, David Cole
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2011
Subjects: Heterologous Expression
Polyketide
Sigma54
Oxytetracycline

description: Bacterial polyketides possess an enormous range of chemical diversity and biological function. Many polyketides such as tetracycline, epothilone, and rapamycin have been developed into key clinical pharmaceuticals in a broad range of therapeutic areas. Sequencing of bacterial genomes has shown that there are many more polyketide biosynthetic pathways than there are polyketides isolated from standard cultivation techniques. These genetically encoded polyketide natural products from cultivatable and uncultivatable bacteria represent one of the greatest remaining untapped reservoirs of new natural product diversity. To access this untapped diversity of polyketide products, a general method for heterologous expression of these pathways is needed. Heterologous expression has proven to be a valuable asset in the discovery, production, engineering, and characterization of bacterial secondary metabolites and the complex enzymology involved in their biosynthesis. Herein we discuss the development and investigation of two unique heterologous expression platforms utilizing host strains of Myxococcus xanthus and Escherichia coli. Using our developed heterologous hosts, we were able to produce the Streptomyces rimosus polyketide oxytetracycline. Through production of oxytetracycline in E .coli we have identified the potential of alternative transcription factors as regulators of secondary metabolism. Further investigation and development of alternative transcription factors as regulators of secondary metabolism in heterologous hosts could benefit the development of robust general methodology for the heterologous expression of polyketides.
Supplementary document for Ultraviolet to mid-infrared optical properties of sputtered AlScN-on-SiO2 thin films for integrated photonic applications - 7252460.pdf
Creators: name: Spettel, Jasmin
name: Andrianov, Nikolai
name: Dubois, Florian
name: Azeem, Munir
name: Furci, Hernan
name: Cassese, Tommaso
name: Quack, Niels
name: Villanueva, Luis
name: Moridi, Mohssen
name: Dao, Thang
Publisher: name: Optica Publishing Group
Year: 2024
Subjects: Uncategorized

description: supporting information and figures
Supplementary document for Ultraviolet to mid-infrared optical properties of sputtered Al(Sc)N-on-SiO₂ thin films and experimental demonstration of AlN integrated photonic devices in the telecom C-band - 7185559.pdf
Creators: name: Spettel, Jasmin
name: Andrianov, Nikolai
name: Dubois, Florian
name: Azeem, Munir
name: Furci, Hernan
name: Cassese, Tommaso
name: Quack, Niels
name: Villanueva, Luis
name: Moridi, Mohssen
name: Dao, Thang
Publisher: name: Optica Publishing Group
Year: 2024
Subjects: Uncategorized

description: Supplementing figures of measurement data
Investigating the Modulation of Monometallic Single-Molecule Magnets Through Peripheral Ligand Modifications
Creators: name: Ghorbanian Farahabadi, Nastaran
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2013

description: This thesis focuses on the synthesis of mononuclear Co and Fe complexes of defined geometry. The goal is to explore the effects of metal coordination geometry on single molecule-magnets (SMM) through peripheral ligand modification with the bis(imino)pyridine ligand. Chapter 1 presents fundamental concepts that are used in the molecular magnetism and single molecule magnets. Chapter 2 describes a history and synthesis of the bis(imino)pyridine ligand. Chapter 3 discusses the synthesis of Cobalt (II) bis(imino)pyridine complexes with varied sterics, their characterization, structural analysis and magnetic properties. Chapter 4 presents the synthesis of Iron (II) bis(imino)pyridine complexes with varied sterics, their characterization, structural analysis and magnetic properties. Chapter 5 provides a summary of the work presented in this thesis.
The Effect of Cold Acclimation on Changes in Muscle Activity
Creators: name: Hans Christian, Tingelstad
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2013
Subjects: cold acclimation
interindividual variability
shivering pattern
BAT
EMG
shivering thermogenesis

description: Human beings have been exposed to different cold conditions throughout time, and have through cold acclimation developed mechanisms to survive in these conditions. Cold acclimation can be elicited through exposure to natural cold climates, or artificially induced in a laboratory to study the body’s response to repeated cold exposures. Several studies looking at the effects of cold acclimation in humans have been conducted during the last 50 years, and have reported that cold acclimation can lead to a change in skin and core temperature, heat production and shivering. An accurate quantification of shivering thermogenesis (ST) during cold acclimation has not been done before, and most previous measurements of shivering during cold acclimation have been inaccurate and inadequate. In this study a Liquid Condition Suits (LCS) was used to elicit cold acclimation (10°C, 2hr daily, for 4 weeks) while an accurate measurement of the effect of cold acclimation on changes in muscle activity was conducted. In CHAPTER 2, results showed that four weeks of cold acclimation at 10°C did not change skin and core temperature, heat production or ST. The effects on shivering pattern and fuel selection were also analysed, but no effects of cold acclimation could be observed. These measurements were a part of a larger study, in which the effects of cold acclimation on changes in BAT were the main outcome measures. These data showed that an increase in BAT volume (45%) and activity (120%) were the only observed effects of cold acclimation. In CHAPTER 3, we set out to assess if changes in shivering from pre to post cold acclimation are associated with changes in BAT volume, and if the amount of BAT a participant possesses prior to cold acclimation can be used to predict changes in shivering intensity during cold acclimation. The interindividual variability in changes in thermal responses, heat production, shivering and BAT volume occurring between subjects during four weeks of cold acclimation was also addressed in this section.
24-hour Activity and Sleep Profiles for Adults Living with Arthritis : Habits Matter
Creators: name: Feehan, Lynne M.
name: Lu, Na
name: Xie, Hue
name: Li, Linda C.
Publisher: name: Arthritis Care & Research
Year: 2021

description: Objectives: Identify 24-hour activity-sleep profiles in adults with arthritis and explore factors associated with profile membership. Methods: Cross-sectional cohort, using baseline data from two randomized trials studying activity counselling for people with rheumatoid arthritis (RA), systemic lupus erythematosus (SLE) or knee osteoarthritis (OA). Participants wore activity monitors for 1-week and completed surveys for demographics, mood (Patient Health Questionnaire-9) and sitting and walking habits (Self-Reported Habit Index). 1440 minutes / day stratified into minutes off-body, sleeping, resting, non-ambulatory, and intermittent or purposeful ambulation. Latent class analysis determined cluster numbers; baseline-category multinomial logit regression identified factors associated with cluster membership. Results: 172 people (RA: 51%, OA:30%, SLE: 19%). Clusters: High Sitters: 6.9 hours sleep, 1.6 hours rest, 13.2 hours non-ambulatory, 1.6 hours intermittent and 0.3 hours purposeful walking. Low Sleepers: 6.5 hours sleep, 1.2 hours rest, 12.2 hours non-ambulatory, 3.3 hours intermittent and 0.6 hours purposeful walking. High Sleepers: 8.4 hours sleep, 1.9 hours rest, 10.4 hours nonambulatory, 2.5 hours intermittent and 0.3 hours purposeful walking. Balanced Activity: 7.4 hours sleep, 1.5 hours sleep, 9.4 hours non-ambulatory, 4.4 hours intermittent and 0.8 hours purposeful walking. Younger age [OR: 0.95 (95% CI: 0.91-0.99)], weaker occupational sitting habit [OR: 0.55 (95% CI: 0.41-0.76)] and stronger walking outside habit [OR: 1.43 (95% CI: (1.06-1.91)] were each associated with Balanced Activity relative to High Sitters. Conclusions: Meaningful subgroups were identified based on 24-hour activity-sleep patterns. Suggesting tailoring interventions based on 24-hour activity-sleep profiles may be indicated, particularly in adults with stronger habitual sitting or weaker walking behaviors.
Issues in changing management control regime of a privatised entity: Japanese management in Sri Lankan context
Creators: name: Hewege, Chandana
Publisher: name: Swinburne
Year: 2024

description: This paper examines management control issues related to the change of control regime from rigid, state bureaucratic system to flexible, market responsive system. Based on a longitudinal case study, the paper illustrates as to how conflicts emerge during the transition period from state venture to a privatised entity. The study highlights the operation of diverse forces such as power bargaining with political party-based trade unions, malicious competitive forces in the industry, political interference through telecommunication regulatory body, indulging work habits of employees and feudal and imperial mentality of Sri Lankan mangers. Expectations of privatisation based on neo-liberal economic assumptions are often challenged by feudalistic, traditional management controls that prevail in large enterprises in post-colonial Sri Lanka.
Bioactive Glycerophospholipids and Their Role in Modulating Neuronal Vulnerability Following Cerebral Ischemia
Creators: name: Syrett, Andrew J.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2011
Subjects: Lipidomics
Bioactive glycerophospholipids
Stroke
Ischemia
Platelet activating factor

description: Stroke is a devastating and debilitating condition resulting from a blockage or hemorrhage in the vasculature of the brain. Despite extensive research, the etiology and pathophysiology of the disease at the level of the cell membrane are poorly understood, and effective treatment has been elusive. Though much research has shown marked increases in lipid metabolism following stroke, the impact of these changes have often been overlooked given the technical challenges associated with identifying regionally specific changes in degenerating tissue. The advent of lipidomics – a systems biology approach to the large-scale profiling of individual lipid species in tissues – has renewed interest in understanding the role of membrane lipids and their metabolites in the cell and in ischemic injury. In this thesis, I have used an unbiased LC-ESI-MS-based lipidomic approach to profile the small molecular weight glycerophosphocholine second messenger lipidome in anterior and posterior regions of cortex and striatum in the forebrain of wild-type and platelet activating factor receptor (PAFR) null-mutant mice before and after middle cerebral artery occlusion (MCAO). From these profiles, I have outlined the potential use of lipid second messenger distribution as topographic landmarks to identify functional subdomains within neural tissue. Further, I have demonstrated that ischemia does not simply disrupt lipid second messenger metabolism globally but produces regionally specific changes in discrete species and that these changes are altered by the loss of lipid regulatory effectors (i.e., PAFR null mutation). Based on the lipid species identified in this profile of healthy and ischemic tissue, I proposed that tight regulation of PC(O-22:6/2:0) homeostasis by PAFR-expressing microglia is ii required for proper dopaminergic signaling in prefrontal cortex. Finally, I have outlined a model whereby increased PAF synthesis following ischemia contributes the inflammatory response by promoting blood-brain barrier permeability, microglial activation and immune cell infiltration in a PAFR-dependent manner.
Arithmetic Properties of Values of Lacunary Series
Creators: name: Bradshaw, Ryan
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2013
Subjects: Lacunary Series
Linear independence
Fredholm Series
Mahler's Method
Method of Bezivin
The Gap Method

description: A lacunary series is a Taylor series with large gaps between its non-zero coefficients. In this thesis we exploit these gaps to obtain results of linear independence of values of lacunary series at integer points. As well, we will study different methods found in Diophantine approximation which we use to study arithmetic properties of values of lacunary series at algebraic points. Among these methods will be Mahler's method and a new approach due to Jean-Paul Bézivin.
Environmental Risk Assessment of Technical Mixtures Under the European Registration, Evaluation, Authorisation and Restriction of Chemicals
Creators: name: Galert, Wiebke
name: Hassold, Enken
Publisher: name: My University
Year: 2021
Subjects: REACH-System

description: The European Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) regulation has been in force since 2007 and is intended to ensure a high level of protection for human health and the environment. The REACH regulation is based on the principle that manufacturers, importers, and downstream users take responsibility for their chemicals. Currently about 23 000 single chemicals are registered within the REACH legislation. A large proportion of substances registered under REACH end up in technical mixtures, intentionally manufactured as such, or generated mixtures containing byproducts of processes. Such mixtures that contain a number of different components are, for example, ink, paint, lacquer, mortar, or cleaning agents. However, REACH focuses on single substances and addresses the safe use of substances as such (e.g., bisphenol A) or substances in mixtures (e.g., bisphenol A used as an antioxidant in mixtures) and in articles (e.g., bisphenol A used as a monomer for polycarbonate production from which greenhouse sheets may be made). In contrast to other substance regulations, under REACH the registrants and downstream users of chemicals are responsible for the risk assessment. According to the REACH regulation, they also have the obligation to derive and communicate safe use conditions for their technical mixtures. Currently, no guidance document and no distinct obligations for an assessment of technical mixtures exist. In light of the available evidence for the joint exposures and effects of chemicals due to co-exposures, the need for approaches for a mixture assessment and improved data communications were highlighted by various stakeholders from industry, European member states, and the European Chemicals Agency (ECHA). The lead component identification (LCID) methodology and the safe use of mixtures information (SUMI) tool were proposed by the European Chemical Industry Council (Cefic) as working tools for the evaluation of the hazard potential, derivation of safe use conditions, and data communication for mixtures along the supply chain. The present paper analyzes the workability and pitfalls of these proposed methodologies from a regulatory perspective, aiming at a safe use of technical mixtures which considers the joint effects and exposures of its components. Integr Environ Assess Manag 2021;17:498-506. © 2021 Umweltbundesamt
Parametric vibrations of a damaged orthotropic geometrical shell stiffened with an inhomogeneous rod and rings on viscoelastic medium
Creators: name: Aliyev, I. G.
name: Latifov, F. S.
name: Guliyeva, A. M.
Publisher: name: arXiv
Year: 2025
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics
subject: G.1.6; J.2
subject: 93C20, 65M20

description: The structural element considered in the presented article consists, according to the geometric structure, of a coating and reinforcement elements, according to the mechanical characteristics of heterogeneous coatings along the length, having damage inside due to their physical structure and, finally, a system in contact with a viscoelastic medium. Taking into account one of the existing models (Winkler or Pasternak), the contact conditions between the coating and the reinforcement elements and the influence of the medium on the coating, the frequency equation of oscillation was solved, the results were analyzed. Theory of hereditary type damage under the action of external force is often used for taking into account the damages in the structure of a cylindrical shell forced to vibration. The Hamilton-Ostrogradsky variational principle is used for solving the problem. The results obtained can be used in the foundations of bridges built across mountain rivers. Such support is cost-effective. It should be noted that reinforcement and concrete mortar are also used in the internal parts of the cylindrical supports used. The article proposes to fill the inside of the cylindrical lid under study with clay.
description: 7 pages, 4 figures,International Journal on Technical and Physical Problems of Engineering
Characterisation of genes encoding cyclophilins and protein disulphide isomerases in cereals
Creators: name: Wu, Huimei
Publisher: name: Swinburne
Year: 2024

description: The storage protein quality of wheat is important for nutritional and food technological purposes. ER-localised cyclophilins (Cyps) and protein disulphide isomerases (PDIs) are expected to play crucial roles in the deposition of storage protein in cereals. Large Cyp and PDI-like (PDIL) gene families have been identified in Arabidopsis and their putative proteins show numerous potential functions. However, limited information exists about the Cyp and PDI gene families in cereals. This study aimed to identify and characterise the Cyp and PDI gene families in wheat and rice using bioinformatics approaches and conduct comparative molecular and phylogenetic analysis with their orthologues in Arabidopsis. Another main aim was to experimentally identify and investigate the Cyp and PDI genes that potentially encode endoplasmic reticulum-localised proteins. Cyp family members (33 in rice, 22 in wheat) and PDIL family members (28 in rice, 27 in wheat) were identified using bioinformatics tools. In addition to the expected CypB genes, ove, two more putative ER-localised Cyps were identified in wheat and these may have potential roles in storage protein regulation. CypB genes were also isolated experimentally from common wheat and its progenitors. The genomic and cDNA sequences were cloned and the gene structure exhibited seven exons and six introns. The putative ER-localised CypB protein translated from exon contig from the B genome gene contains all PPIase signature sites, an N-terminal ER signal peptide, and an atypical C-terminal ER localisation signal. The putative promoter sequences were cloned and exhibit several potential tissue specific regulatory elements. The common wheat CypB genes are localised to chromosomes 7AL, 7BL and 7DL. In addition to the three reported ER-localised PDI homologues, five more putative ERlocalised PDIs were identified in wheat. Expression of three reported PDI homologues in developing seeds as well as stems and leaves, supports the hypothesis that PDI plays a role in vegetative tissues as well as in the developing endosperm. Collectively, the work has identified new Cyps and PDIs with potential roles in storage protein folding function, response to ER and other stresses, grain quality and other important traits.
Waymo Driverless Car Data Analysis and Driving Modeling using CNN and LSTM
Creators: name: Misraa, Aashish Kumar
name: Jain, Naman
name: Dhakad, Saurav Singh
Publisher: name: arXiv
Year: 2025
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Self driving cars has been the biggest innovation in the automotive industry, but to achieve human level accuracy or near human level accuracy is the biggest challenge that research scientists are facing today. Unlike humans autonomous vehicles do not work on instincts rather they make a decision based on the training data that has been fed to them using machine learning models using which they can make decisions in different conditions they face in the real world. With the advancements in machine learning especially deep learning the self driving car research skyrocketed. In this project we have presented multiple ways to predict acceleration of the autonomous vehicle using Waymo's open dataset. Our main approach was to using CNN to mimic human action and LSTM to treat this as a time series problem.
description: This work contributed to research acknowledged in https://doi.org/10.3390/app10062046
Supplementary document for Cylindrical vector beam sorter with spin-dependent spiral transformation - 5410874.pdf
Creators: name: Lin, Ziang
name: Xie, Zhiqiang
name: He, Yanliang
name: Xinrou, Wang
name: Wu, Haisheng
name: Wang, Suilin
name: Guan, Zhiwei
name: Liu, Junmin
name: Ye, Huapeng
name: Li, Ying
Publisher: name: Optica Publishing Group
Year: 2025
Subjects: Optical Technology

description: Supplemental document
Effective Inference-Free Retrieval for Learned Sparse Representations
Creators: name: Nardini, Franco Maria
name: Nguyen, Thong
name: Rulli, Cosimo
name: Venturini, Rossano
name: Yates, Andrew
Publisher: name: arXiv
Year: 2025
Subjects: subject: Information Retrieval (cs.IR)
subject: FOS: Computer and information sciences

description: Learned Sparse Retrieval (LSR) is an effective IR approach that exploits pre-trained language models for encoding text into a learned bag of words. Several efforts in the literature have shown that sparsity is key to enabling a good trade-off between the efficiency and effectiveness of the query processor. To induce the right degree of sparsity, researchers typically use regularization techniques when training LSR models. Recently, new efficient -- inverted index-based -- retrieval engines have been proposed, leading to a natural question: has the role of regularization changed in training LSR models? In this paper, we conduct an extended evaluation of regularization approaches for LSR where we discuss their effectiveness, efficiency, and out-of-domain generalization capabilities. We first show that regularization can be relaxed to produce more effective LSR encoders. We also show that query encoding is now the bottleneck limiting the overall query processor performance. To remove this bottleneck, we advance the state-of-the-art of inference-free LSR by proposing Learned Inference-free Retrieval (Li-LSR). At training time, Li-LSR learns a score for each token, casting the query encoding step into a seamless table lookup. Our approach yields state-of-the-art effectiveness for both in-domain and out-of-domain evaluation, surpassing Splade-v3-Doc by 1 point of mRR@10 on MS MARCO and 1.8 points of nDCG@10 on BEIR.