cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Chemically tagging the Hyades Supercluster: A homogeneous sample of F6-K4 kinematically selected northern stars
Creators: name: Tabernero, H. M.
name: Montes, D.
name: Hernandez, J. I. Gonzalez
Publisher: name: arXiv
Year: 2012
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Stellar kinematic groups are kinematical coherent groups of stars that might have a common origin. These groups are dispersed throughout the Galaxy over time by the tidal effects of both Galactic rotation and disc heating, although their chemical content remains unchanged. The aim of chemical tagging is to establish that the abundances of every element in the analysis are homogeneus among the members. We study the case of the Hyades Supercluster to compile a reliable list of members (FGK stars) based on our chemical tagging analysis. For a total of 61 stars from the Hyades Supercluster, stellar atmospheric parameters (Teff, logg, xi, and [Fe/H]) are determined using our code called StePar, which is based on the sensitivity to the stellar atmospheric parameters of the iron EWs measured in the spectra. We derive the chemical abundances of 20 elements and find that their [X/Fe] ratios are consistent with Galactic abundance trends reported in previous studies. The chemical tagging method is applied with a carefully developed differential abundance analysis of each candidate member of the Hyades Supercluster, using a well-known member of the Hyades cluster as a reference (vB 153). We find that only 28 stars (26 dwarfs and 2 giants) are members, i.e. that 46% of our candidates are members based on the differential abundance analysis. This result confirms that the Hyades Supercluster cannot originate solely from the Hyades cluster.
description: A&A, in press
Effects of drought stress on metabolite profiles of hybrid and pure lines of Populus spp.
Creators: name: Barchet, Genoa L. H.
Publisher: name: University of British Columbia
Year: 2010

description: Drought stress is perhaps the most commonly encountered abiotic stress plants experience in the natural environment, and is one of the most important factors limiting plant productivity. In the studies described in this text, drought-stressed poplar trees (Populus spp.) were analyzed for their metabolite content using the technique of untargeted metabolite profiling by employing gas chromatography coupled to mass spectrometry (GC/MS). The purpose of these analyses was to characterize the metabolite profile of poplar trees under drought stress in order to assess relative drought resistance and to investigate what mechanisms might be employed in the ability to resist drought. To do this, three independent experiments were carried out, each employing different poplar tree species and drought application protocols. For all three experiments, metabolite profiling identified key metabolites that increased or decreased in relative abundance upon exposure to drought stress. Overall, amino acids, the antioxidant phenolic compounds, catechin and kaempferol, and the osmolytes raffinose and galactinol exhibited increased levels under drought stress, whereas metabolites involved in photorespiration, redox regulation, and carbon fixation showed decreased levels under drought stress. One clone in particular, Okanese, in common with Experiments #1 and #2 described in this thesis, displayed unique responses to the imposed drought conditions. This clone was found to have higher stomatal conductance, transpiration rate, and leaf water potential, and lower growth rate in Experiments #2 and #1, respectively. Okanese also had lower accumulation of osmolytes such as raffinose, galactinol and proline, but higher overall levels of antioxidants such as catechin and dehydroascorbic acid. As such, it was proposed that osmotic adjustment as a mechanism for drought resistance in this clone is not as well developed in comparison to other clones investigated in this thesis, and that a possible alternative mechanism for the enhanced drought resistance displayed by Okanese may be due to differential allocation of resources towards root growth rather than osmotic adjustment.
Preschoolers' self-regulation embodied in motor action : exploring high-volume data, conceptual clarity, and within-child variability
Creators: name: Koepp, Andrew Edward
name: 0000-0002-6976-8507
Publisher: name: The University of Texas at Austin
Year: 2023
Subjects: Self-regulation
Preschool

description: Children’s self-regulation is a foundational life skill and educators increasingly wish to support it. Self-regulation is an internal process that researchers cannot directly observe, though it manifests in observed behaviors. I argue that, in the preschool period, children’s motor activity is a primary window into their self-regulation. Training our attention on motor activity can improve our conceptual understanding of self-regulation and give researchers new ways to study it. My dissertation had three aims. The first was to explore the idea that children’s self-regulation is embodied in their motor action. I collected an intensive time series of preschoolers’ motor behavior, assessed objectively during regular school days. I extracted dimensions of movement amount, onset, intensity, and duration that could reflect internal regulatory processes of reactivity and control. Using machine learning approaches ideal for high-volume data, I found that children’s motor behaviors at school were strong predictors of teacher reports of children’s self-regulation but not meaningful predictors of children’s executive functions assessed via tasks. My second Aim was to understand how different measures capture different aspects of children’s self-regulation. Children’s self-regulation in everyday situations at school appeared distinct from children’s performance on executive function tasks. There was some evidence of differential predictive validity among these measures and partial support for the hypothesis that self-regulation underlies children’s school readiness, though it did not predict growth in pre-academic knowledge or behavioral adjustment over the school year. My third Aim was to use repeated observations of children’s motor activity to examine fluctuations in children’s self-regulation. I found substantial variability in children’s behavior across days and partial support for the hypothesis that children with greater self-regulation showed greater consistency in their behavior across days. Children showed a great deal of variability in their motor behavior across parts of the school day, adapting their behavior to expectations for that context. My findings underscore the embodied nature of self-regulation and how internal processes of reactivity versus control manifest in young children’s motor behavior. The methods open the door to more within-child studies, which could work toward identifying solutions or practices that help individual children regulate their behavior.
Promotion of direct electron transfer to cytochrome c by functionalized thiophene-based conducting polymers
Creators: name: J. Sáenz-Espinar, María
name: Quintero-Jaime, Andrés F.
name: Gamero-Quijano, Alonso
name: Montilla, Francisco
name: Huerta, Francisco
Publisher: name: University of Limerick
Year: 2023
Subjects: classificationCode: 34
subject: Chemical sciences
subject: FOS: Chemical sciences

description: Controlling direct electron transfer (DET) to redox proteins is of great interest for fundamental studies on biochemical processes and the development of biotechnological devices, such as biosensors or enzymatic fuel cells. Cytochrome c is a classical model protein for studying DET reactions that plays a key role in the onset of cellular apoptosis and the mitochondrial respiratory chain. In this contribution, we explored DET between cyt c and conducting polymers bearing the chemical structure of thiophene, specifically PEDOT, and its OH-containing derivative, PHMeEDOT. The combination of electrochemistry and in situ FTIR spectroscopy allowed us to gain more insight into the inner mechanism of DET at physiological pH. Hydrophilic interactions favour the correct orientation of the heme crevice of cytochrome c towards the polymer surface. When a positive charge is injected into the conducting polymer, the increasing electrostatic repulsion between protein and surface induces the desorption of lysine residues near the heme group and stimulates protein flipping. This effect was more pronounced at PEDOT- than PHMeEDOT-modified electrodes since the latter shows stronger interactions with lysine residues, partially hindering protein rotation at moderate potential. The potential-induced reorientation process was similar on both polymer surfaces, only at high positive potentials.
Accessing the inaccessible: Redefining play as a spectrum
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2018
Subjects: play
playful learning
cognitive development
children
games
pedagogy

description: © 2018 Zosh, Hirsh-Pasek, Hopkins, Jensen, Liu, Neale, Solis and Whitebread. Defining play has plagued researchers and philosophers for years. From describing play as an inaccessible concept due to its complexity, to providing checklists of features, the field has struggled with how to conceptualize and operationalize "play." This theoretical piece reviews the literature about both play and learning and suggests that by viewing play as a spectrum - that ranges from free play (no guidance or support) to guided play and games (including purposeful adult support while maintaining playful elements), we better capture the true essence of play and explain its relationship to learning. Insights from the Science of Learning allow us to better understand why play supports learning across social and academic domains. By changing the lens through which we conceptualize play, we account for previous findings in a cohesive way while also proposing new avenues of exploration for the field to study the role of learning through play across age and context.
Expanded Vandermonde powers and sum rules for the two-dimensional one-component plasma
Creators: name: Tellez, Gabriel
name: Forrester, Peter J.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The two-dimensional one-component plasma (2dOCP) is a system of $N$ mobile particles of the same charge $q$ on a surface with a neutralising background. The Boltzmann factor of the 2dOCP at temperature $T$ can be expressed as a Vandermonde determinant to the power $Γ=q^{2}/(k_B T)$. Recent advances in the theory of symmetric and anti-symmetric Jack polymonials provide an efficient way to expand this power of the Vandermonde in their monomial basis, allowing the computation of several thermodynamic and structural properties of the 2dOCP for $N$ values up to 14 and $Γ$ equal to 4, 6 and 8. In this work, we explore two applications of this formalism to study the moments of the pair correlation function of the 2dOCP on a sphere, and the distribution of radial linear statistics of the 2dOCP in the plane.
“La mujer de solar”: la estigmatización de la mujer pobre en la Cuba republicana
Creators: name: Moreau, Mélanie
Publisher: name: CRIANDO
Year: 2018
Subjects: Cuba republicana; solar; mujer pobre; La Habana; prostitución

description: Ser pobre en la Cuba republicana no sólo significa vivir en condiciones deplorables sino también renunciar a cualquier vida privada. Para las mujeres, esto tiene tanto más importancia cuanto que la esfera privada es un elemento importante de su entorno, especialmente cuando no tienen la posibilidad de trabajar. En primer lugar, cada solar, cada edificio colectivo es vigilado por un encargado, persona pagada por el propietario, encargada de velar por los intereses de su patrono. No siempre vive allí, pero su presencia cotidiana es obligatoria, como lo estipula el artículo 76 del Reglamento Sanitario. Casi siempre son españoles, no pagan el alquiler y cobran el dinero de los inquilinos, lo que les permite abusar y aumentar las mensualidades en beneficio suyo.
description: CRIANDO, N. 3 (2018): Economie del corpo femminile dal XVI al XXI secolo in America Latina, Europa e Giappone
El discurso referido al matrimonio en escritoras santiagueras del siglo XIX
Creators: name: Castillo Almaguer, Danay
Publisher: name: CRIANDO
Year: 2018
Subjects: Matrimonio; escritora santiaguera; siglo XIX; novela; Cuba colonial

description: El acto de escribir para el género femenino en el siglo XIX constituyó un hecho revolucionario, pues la mujer, según la tradición, se encontraba desprovista de lenguaje propio La poca producción literaria femenina en siglos anteriores, llevó a la mujer en el siglo XIX enfrentar varias dificultades, no sólo en su intensión de tomar la pluma y escribir sino en la esfera de la publicación, pues se consideraba ambos intentos una invasión en un territorio de dominio masculino. Muchas de estas mujeres tuvieron que adaptarse a los cánones sociales y exponer sus ideas, sin desafiar muy abiertamente los convencionalismos sociales del momento.
description: CRIANDO, N. 3 (2018): Economie del corpo femminile dal XVI al XXI secolo in America Latina, Europa e Giappone
Exact Philosophy of Space-Time
Creators: name: Vucetich, Héctor
Publisher: name: arXiv
Year: 2011
Subjects: subject: History and Philosophy of Physics (physics.hist-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Starting from Bunge's (1977) scientific ontology, we expose a materialistic relational theory of space-time, that carries out the program initiated by Leibniz, and provides a protophysical basis consistent with any rigorous formulation of General Relativity. Space-time is constructed from general concepts which are common to any consistent scientific theory and they are interpreted as emergent properties of the greatest assembly of things, namely, the world.
description: 13 pages, 3 figures. Version compatible with the published one. arXiv admin note: substantial text overlap with arXiv:gr-qc/9710064
It’s the law? : a study of policy, minority stress, and gay men’s barriers to parenthood in the United States
Creators: name: Arriaga, Andrew Steven
name: 0000-0001-5284-6022
Publisher: name: The University of Texas at Austin
Year: 2023
Subjects: subject: LGBTQ
subject: Policy
subject: Gay
subject: Parenting
subject: Adoption
subject: Foster care
subject: Minority stress
subject: Law
subject: FOS: Law

description: Minority stress theory posits that sexual minority people are regularly subjected to elevated levels of stress that ultimately contribute to health disparities within this population. Recent research has indicated that the minority stress framework may further be useful in understanding how sexual minority people’s personal experiences with and perceptions of systemic, local, and government policies uniquely contribute to minority stress processes. Indeed, state-level legislation and child welfare policies have particularly posed challenges for gay men seeking to form families, especially through such means as adoption. Further work is thus necessary to identify ways in which such policy-related barriers to parenthood impact the wellness of this population, notably through involuntary childlessness. Informed by research on gay men’s parenting practices, adoption and foster care policy, and sexual minority stressors, the following study explores the role of policy in the minority stress framework and its impacts on gay men’s family planning decisions. Using minority stress theory as a guide for the present study model, I evaluate how proximal stress (fear associated with government intervention in gay men’s legal parenting status) and distal stress (perception of whether discriminatory state policies targeting gay parents exist) influence the relation between parenting desire and parenting intention. Results from a moderated multiple linear regression show that parenting desire significantly predicts parenting intention at the 5% significance level, proximal stress predicts parenting intention at the 10% significance level, and race and age significantly adjust the relationship between parenting desire and intention among the present sample of gay men. The present study has notable implications for further clinical work and research with gay men and other sexual minority communities with respect to family planning, navigation of potentially discriminatory public policies, advocacy efforts, and education.
Shipboard design and fabrication of custom 3D-printed soft robotic manipulators for the investigation of delicate deep-sea organisms
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2018
Subjects: Aquatic Organisms
Equipment Design
Oceans and Seas
Printing, Three-Dimensional
Robotics

description: © 2018 Vogt et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Soft robotics is an emerging technology that has shown considerable promise in deep-sea marine biological applications. It is particularly useful in facilitating delicate interactions with fragile marine organisms. This study describes the shipboard design, 3D printing and integration of custom soft robotic manipulators for investigating and interacting with deep-sea organisms. Soft robotics manipulators were tested down to 2224m via a Remotely-Operated Vehicle (ROV) in the Phoenix Islands Protected Area (PIPA) and facilitated the study of a diverse suite of soft-bodied and fragile marine life. Instantaneous feedback from the ROV pilots and biologists allowed for rapid re-design, such as adding “fingernails”, and re-fabrication of soft manipulators at sea. These were then used to successfully grasp fragile deep-sea animals, such as goniasterids and holothurians, which have historically been difficult to collect undamaged via rigid mechanical arms and suction samplers. As scientific expeditions to remote parts of the world are costly and lengthy to plan, on-the-fly soft robot actuator printing offers a real-time solution to better understand and interact with delicate deep-sea environments, soft-bodied, brittle, and otherwise fragile organisms. This also offers a less invasive means of interacting with slow-growing deep marine organisms, some of which can be up to 18,000 years old.
Full-duplex millimeter wave communication systems : theory and practice
Creators: name: Roberts, Ian Parker
name: 0000-0003-0974-2089
Publisher: name: The University of Texas at Austin
Year: 2023
Subjects: Wireless
Communication
Full-duplex
Antenna array
Self-interference
Measurement
Modeling
Beamforming
Millimeter wave
Simulation

description: This dissertation is focused on studying, characterizing, and developing new solutions for full-duplex millimeter wave (mmWave) communication systems. Translating existing full-duplex solutions—which are largely for systems operating at lower carrier frequencies—to mmWave systems is not practically viable nor is it necessarily desirable. Instead, I propose several novel solutions for full-duplex mmWave systems, all of which harness beamforming with dense antenna arrays to cancel self-interference to levels near or even below the noise floor—unlocking the long-sought ability to simultaneously transmit and receive over the same frequency spectrum. Two trademarks of my proposed techniques are that they (i) account for a wide variety of key practical constraints and (ii) are informed by a campaign in which I collected and analyzed nearly 20 million measurements of self-interference using 28 GHz phased arrays. Numerical simulation and experimental evaluation are used to illustrate the effectiveness of the proposed techniques, validating them as enablers of full-duplex mmWave systems. Based on the aforementioned measurements, this dissertation also extensively characterizes mmWave self-interference through statistical analysis and spatial modeling, both of which are the first of their kind. Together comprising this dissertation, the characterization of self-interference and the proposed solutions serve as strides toward transforming real-world mmWave communication systems by upgrading them with full-duplex capability.
Hechas de seda y de carne. Trabajo femenino y paternalismo en la industria textil japonesa entre siglo XIX y XX
Creators: name: Sica, Virginia
Publisher: name: CRIANDO
Year: 2018
Subjects: Meiji ishin; Shokkō jijō; Jokō aish; kazokushugi; onjōshugi

description: Il saggio esplora gli obiettivi e le strategie ispirate a familismo e paternalismo nel Giappone d’era Meiji e Taishō (1868–1912/1912–1926) nell’ambito dell’industria del tessile. Come voce ortante del repentino processo d’industrializzazione del Paese, l’industria dei filati (in particolare della seta) vide coinvolta in massima misura la manodopera femminile, principalmente di rovenienza rurale, e contribuì al processo di ridefinizione del ruolo sociale della donna all’ombra del rescente nazionalismo.
Riconsiderando gli studi internazionali fino a oggi condotti sul tema, il saggio intende proporre una sintesi plurivalente del contesto socio-economico del tempo, che superi la dicotomia – già denunciata da Janet Hunter (2003) – fra ricerche di economia, statistica e scienze tecnologiche da una parte, e ricerche socio–culturali con netta propensione agli studi di genere.
description: CRIANDO, N. 3 (2018): Economie del corpo femminile dal XVI al XXI secolo in America Latina, Europa e Giappone
Donne, agricoltura e paesaggio: una geografia storico-culturale delle pianure risicole del Nord-Ovest italiano
Creators: name: Gavinelli, Dino
Publisher: name: CRIANDO
Year: 2018
Subjects: pianura risicola; mondine; lavoro stagionale; lavoro femminile

description: Il paesaggio della subregione risicola della Pianura Padana, caratterizzato dalla riduzione progressiva della superficie dei boschi planiziali, da interventi di bonifica, da opere di livellamento e costipazione dei suoli e dalla realizzazione di una fitte rete di canalizzazione, al fine di limitare i consumi idrici e la dispersione dell'acqua per lasciare spazio alle risaie, a partire dalla seconda metà dell'Ottocento e sino alla soglia degli anni '60 del Novecento, ospitava oltre alla popolazione stabilmente insediata tutto l'anno anche migliaia di donne che, con cadenza stagionale arrivavano dall'esterno del territorio per svolgere attività di manovalanza agricola.
description: CRIANDO, N. 3 (2018): Economie del corpo femminile dal XVI al XXI secolo in America Latina, Europa e Giappone
Ancient stars and the inner galaxy as tracers of the Milky Way's early evolution
Creators: name: Lucey, Madeline Reinke
Publisher: name: The University of Texas at Austin
Year: 2023
Subjects: Population II stars
Galactic bulge

description: The oldest stars in our Galaxy contain crucial information about its formation and the early Universe. Simulations predict that the oldest stars are likely to be located in the central regions of galaxies. Furthermore, nucleosynthetic predictions for the first stars indicate large yields of carbon, suggesting that the oldest stars may be Carbon-Enhanced Metal-Poor (CEMP) stars. Studying the chemo-dynamical properties of metal-poor inner Galaxy stars and CEMP stars can illuminate their origins and, in turn, inform our models of first star formation and galaxy evolution. In this dissertation, I complete a three-part survey entitled Chemical Origins of Metal-poor Bulge Stars (COMBS). COMBS I and COMBS III focused on the chemical abundance analysis of ~600 metal-poor stars using VLT/FLAMES spectra, while COMBS II focused on the dynamics of these stars. These studies show evidence that the population that enriched the old metal-poor inner Galaxy stars had a more top-heavy IMF than the typical Milky Way population. Furthermore, my results indicate that secular disk evolution may be more important in early galaxy evolution than previously thought. However, the COMBS survey did not detect any CEMP stars in the inner Galaxy. To investigate this further, I used machine learning to identify an all-sky sample of millions of CEMP stars using Gaia DR3. In addition, my dissertation puts new constraints on the length and pattern speed of the Milky Way's bar by developing a novel orbit integration method which, in turn, improves the precision and accuracy of inner Galaxy dynamical analysis. In total, my dissertation brings new insights into the formation of the Galaxy, especially the bulge, and provided constraints on the formation of the first stars through the chemo-dynamics of ancient stars.
Distinguishing between a true period and its alias, and other tasks of model discrimination
Creators: name: Baluev, Roman V.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We consider the task of distinguishing between two different alternative models that can roughly equally explain observed time series data, mainly focusing on the period ambiguity case (aliasing). We propose a test for checking whether the rival models are observationally equivalent for now or they are already distinguishable. It is the Vuong closeness test, which is based on the Kullback-Leibler Information Criterion. It is asymptotically normal and can work (in certain sense) even in the misspecified case, when the both proposed alternatives are actually wrong. This test is also very simple for practical use. We apply it to several known extrasolar planetary systems and find that our method often helps to resolve various model ambiguities emerging in astronomical practice, but preventing us from hasty conclusions in other cases.
description: Accepted to MNRAS. 15 pages, 8 figures, 2 tables
Degradation modelling in process control applications
Creators: name: Zagorowska, Marta
Publisher: name: Imperial College London
Year: 2020

description: Degradation of industrial equipment is often influenced by how a system is operated, with certain operating points likely to accelerate degradation. The ability to mitigate degradation of an industrial system would result in improved performance and decreased costs of operation. The thesis aims to provide ways for managing degradation by adjusting the operating conditions of a system. The thesis provides original insights and a new classification of models of degradation to facilitate the integration of degradation models into process control applications. The thesis also develops an adaptive algorithm for degradation detection and prediction in turbomachinery, which is able to predict the expected future values of a degradation indicator and to quantify the uncertainty of the prediction. The thesis then proposes two frameworks for load-sharing in a compressor station in which the compressors are subject to degradation. One framework considers management of degradation and the other one focuses on power consumption of the whole station. These examples show how modelling of degradation can have an impact on the operation of an industrial system. The approaches have been evaluated with case studies developed in collaboration with industrial partners. As demonstrated in the case studies, the outcomes of the research presented in this thesis provide new ways to take account of degradation in process control applications. The thesis discusses steps and directions for future work to facilitate the technology transfer from academic to industrial implementation.
The Refined Sobolev Scale, Interpolation, and Elliptic Problems
Creators: name: Mikhailets, Vladimir A.
name: Murach, Aleksandr A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 46E35 (Primary) 46B70, 35J30, 35J40 (Secondary)

description: The paper gives a detailed survey of recent results on elliptic problems in Hilbert spaces of generalized smoothness. The latter are the isotropic Hörmander spaces $H^{s,φ}:=B_{2,μ}$, with $μ(ξ)=^{s}φ()$ for $ξ\in\mathbb{R}^{n}$. They are parametrized by both the real number $s$ and the positive function $φ$ varying slowly at $+\infty$ in the Karamata sense. These spaces form the refined Sobolev scale, which is much finer than the Sobolev scale ${H^{s}}\equiv{H^{s,1}}$ and is closed with respect to the interpolation with a function parameter. The Fredholm property of elliptic operators and elliptic boundary-value problems is preserved for this new scale. Theorems of various type about a solvability of elliptic problems are given. A local refined smoothness is investigated for solutions to elliptic equations. New sufficient conditions for the solutions to have continuous derivatives are found. Some applications to the spectral theory of elliptic operators are given.
description: 69 pages
PRIF: A Privacy-Preserving Interest-Based Forwarding Scheme for Social Internet of Vehicles
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2018
Subjects: Community
forwarding
interest
privacypreserving
Social Internet of Vehicles (SIOV)

description: © 2014 IEEE. Recent advances in socially aware networks (SANs) have allowed its use in many domains, out of which the Social Internet of Vehicles (SIOV) is of prime importance. SANs can provide a promising routing and forwarding paradigm for SIOV by using interest-based communication. Though able to improve the forwarding performance, existing interest-based schemes fail to consider the important issue of protecting users' interest information. In this paper, we propose a privacy-preserving interest-based forwarding scheme (PRIF) for SIOV, which not only protects the interest information but also improves the forwarding performance. We propose a privacy-preserving authentication protocol to recognize communities among mobile nodes. During data routing and forwarding, a node can know others' interests only if they are affiliated with the same community. Moreover, to improve forwarding performance, a new metric community energy is introduced to indicate vehicular social proximity. Community energy is generated when two nodes encounter one another and information is shared among them. PRIF considers this energy metric to select forwarders toward the destination node or the destination community. Security analysis indicates PRIF can protect nodes' interest information. In addition, extensive simulations have been conducted to demonstrate that PRIF outperforms the existing algorithms, including the BEEINFO, Epidemic, and PRoPHET.
Comorbidity and its Impact on COVID-19 Positive Patients who Died in Malaysia
Creators: name: Danial, Monica
name: Arulappen, Ann Lisa
name: Soelar, Shahrul Aiman Bin
name: Ch'ng, Alan Swee Hock
name: Looi, Irene
Publisher: name: Zenodo
Year: 2021
Subjects: Comorbidity
Impact
COVID-19
Patients
Died
Malaysia

description: Background Battling the COVID-19 pandemic still is the main agenda of many countries in the world today. This study evaluated the association between comorbidities and its impact on COVID-19 mortality. Method The public data set of the COVID-19 patient who passed away in 2020 in Malaysia due to COVID-19 was obtained from the daily press statement by the Ministry of Health Malaysia (MOH). Results Incidence of gout was more prevalent among patients ≥65 years (n=14 (6.1%)) and significantly associated with mortality (p=0.011), whereas obesity (n=14 (5.8%); p=0.003) and asthma (n=11 (4.5%); p=0.040) were more prevalent and significantly associated with mortality among patients <65 years. Heart disease (p=0.013) and obesity (p=0.003) significantly affected mortality in gender-based comparison. Conclusion Conclusively, there is a high incidence of comorbidities hypertension and diabetes mellitus among COVID-19 patients who died in Malaysia in 2020, but there is a small proportion of deaths among patients without pre-existing comorbidities. [Disclaimer: Abstract text might vary slightly from what is displayed in the e-poster]
description: This poster was submitted to the 14th National Conference for Clinical Research (NCCR) in August 18-20, 2021. https://nccrconference.com.my/
Il corpo di Cecilia e la tautologia: la guerra dei soggetti e la trascendenza del reale in La noia di Alberto Moravia
Creators: name: Turchetta, Gianni
Publisher: name: CRIANDO
Year: 2018
Subjects: Alberto Moravia; La noia; corporeità; Cecilia Rinaldi; Wittgenstein

description: La noia di Moravia (Moravia 1960) è certo un romanzo molto conosciuto. I critici lo hanno però letto quasi sempre proiettandolo sulla figura dell’autore, confondendolo con il narratore Dino, intellettuale borghese e artista fallito. D’altro canto, La noia mette in scena anche una protagonista femminile di non comune spessore, Cecilia Rinaldi, oggetto del desiderio e insieme antagonista del narratore. Cecilia condensa in sé una straordinaria concretezza, programmaticamente ricondotta alla sua corporeità, che ne domina incontrastata ogni comportamento, serrandola in una logica posta al di qua di qualsiasi moralità: una logica coatta, e quasi animalesca. Al tempo stesso, però, il personaggio di Cecilia, pur non assumendo mai aperti connotati di simbolo, e conservando invece una costante, inquietante concretezza, ha evidenti risvolti filosofici, che la caricano di una radicale tensione generalizzante.
description: CRIANDO, N. 3 (2018): Economie del corpo femminile dal XVI al XXI secolo in America Latina, Europa e Giappone
EVH Black Holes, AdS3 Throats and EVH/CFT Proposal
Creators: name: Sheikh-Jabbari, M. M.
name: Yavartanoo, Hossein
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Within class of generic black holes there are extremal black holes (with vanishing Hawking temperature T) and vanishing horizon area Ah, but with finite Ah/T ratio,the Extremal Vanishing Horizon (EVH) black holes. We study the near horizon limit of a four dimensional EVH black hole solution to a generic (gauged) Einstein-Maxwell dilaton theory and show that in the near horizon limit they develop a throat which is a pinching orbifold limit of AdS3. This is an extension of the well known result for extremal black holes the near horizon limit of which contains an AdS2 throat. We show that in the near EVH near horizon limit the pinching AdS3 factor turns to a pinching BTZ black hole and that this near horizon limit is indeed a decoupling limit. We argue that the pinching AdS3 or BTZ orbifold is resolved if the near horizon limit is accompanied by taking the 4d Newton constant G4 to zero such that the Bekenstein-Hawking entropy S = Ah/(4G4) remains finite. We propose that in this limit the near horizon EVH black hole is dual to a 2d CFT. We provide pieces of evidence in support of the EVH/CFT correspondence and comment on its connection to the Kerr/CFT proposal and speculations how the EVH/CFT may be used to study generic e.g. Schwarzchild-type black holes.
description: 31 pages, 3 figures, JHEP style
Voices of students in crisis : a two-part exploratory study of college students hospitalized for psychiatric distress
Creators: name: Morpeth-Provost, Julia Erin
name: 0000-0002-0496-4152
Publisher: name: The University of Texas at Austin
Year: 2023
Subjects: subject: Psychiatric
subject: Hospitalization
subject: Mental health
subject: Psychology
subject: FOS: Psychology
subject: College students
subject: University
subject: Crises
subject: Qualitative
subject: Interviews

description: College students with psychiatric disabilities, particularly those with severe distress, have an increased risk of attrition from higher education. Highly distressed students may be hospitalized for psychiatric crises if there is potential risk to their safety. Although the severity of pathology in incoming college students has increased over the last decade, hospitalized students remain an under-researched group at risk for attrition, trauma, suicide, and disconnection with their universities. The present study sought to explore the characteristics and experiences of hospitalization college students at the University of Texas at Austin through a lens of student retention theory, Self-Determination Theory, emerging adulthood, and institutional betrayal. The study purpose was addressed in three ways: (1) Fisher’s test comparisons of demographic and variables in the hospitalization sample compared to a 5-year average of the entire student body; (2) cross-tabulations and chi-square tests of independence of demographic, academic, and clinical variables and hospital admission status (voluntary or involuntary); and (3) qualitative interviews about students’ experiences with psychological services prior to hospitalization, the hospitalization process, the hospitalization itself, and post discharge. The quantitative portion included a total of 880 students hospitalized between Spring 2016 and Spring 2021. The qualitative portion included semi-structured interviews with 10 current or former students who had been hospitalized between Fall 2017 and Spring 2021. Data was analyzed using a content analysis approach. Results showed several groups of students who may be at risk for psychiatric hospitalization, including African American/Black, Asian/Asian-American, and multiracial students; female, transgender, and LGBQ+ students; undergraduates as a whole and sophomores; and Liberal Arts, Fine Arts, and Undergraduate Studies majors. Interview participants had complex and nuanced experiences with hospitalization. Themes included neutral experiences with psychological services pre-hospitalization, trust/distrust, powerlessness, interpersonal connections, uncertainty, negative perceptions of the university, academic supports, and shifts in perspective. Future clinical and research implications are discussed.
Imprinted genes in the placenta and obstetrical complications
Creators: name: Bourque, Danielle Kathleen
Publisher: name: University of British Columbia
Year: 2010

description: Each year, many pregnancies are associated with obstetrical complications such as maternal pre-eclampsia (PET) and fetal intrauterine growth restriction (IUGR). Poor placentation is thought to contribute to these complications, but specific causes are largely unknown. Mouse models suggest that epigenetic mechanisms, in particular genomic imprinting, that alter gene regulation may help regulate placental development and embryonic growth. The first goal of this thesis is to examine if epigenetic modifications (i.e. DNA methylation) and altered expression of imprinted genes in the human placenta are contributing factors to PET and IUGR. The second goal of this thesis is to identify imprinted loci that are useful in the diagnosis of placental pathologies that associated with abnormal imprinting, including triploidy, hydatidiform moles, and placental mesenchymal dysplasia. I found that DNA methylation at the imprinting control region 1 (ICR1) on chromosome 11p15.5 was significantly decreased in IUGR placentas (p < 0.001), but not in those associated with pre-eclampsia. Methylation at ICR2 (KvDMR1) was not significantly altered in PET or IUGR. No significant changes in expression levels were observed in the genes controlled by these ICRs. There were no significant methylation changes observed in any candidate imprinted gene evaluated by the Illumina array. LINE-1 methylation, a marker of whole genome methylation, was also similar in all groups. The establishment of biomarkers that could be used to accurately identify those women at an increased risk for pre-eclampsia or IUGR would be a major step forward in antenatal care. All placental pathologies (triploidy, hydatidiform moles or placental mesenchymal dysplasia) were associated with altered ICR2 (KvDMR1) methylation. Pyrosequencing assays for SGCE, SNRPN, and MEST were also compared for their utility in diagnosing parental genomic imbalance in placental samples. SGCE showed the clearest separation between groups. The combined use of KvDMR1 and SGCE assays could provide a potentially valuable diagnostic tool in the rapid screening of methylation errors in placental disorders. These results also demonstrate the maintenance of imprinting status at these loci in the human placenta, even in the presence of abnormal pathology.
Complete spectrum of stochastic master equation for random walks on treelike fractals
Creators: name: Zhang, Zhongzhi
name: Wu, Bin
name: Chen, Guanrong
Publisher: name: arXiv
Year: 2011
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: We study random walks on a family of treelike regular fractals with a trap fixed on a central node. We obtain all the eigenvalues and their corresponding multiplicities for the associated stochastic master equation, with the eigenvalues being provided through an explicit recursive relation. We also evaluate the smallest eigenvalue and show that its reciprocal is approximately equal to the mean trapping time. We expect that our technique can also be adapted to other regular fractals with treelike structures.
description: Definitive version accepted for publication in EPL (Europhysics Letters)
Satisfaction among Patients and Caregivers Receiving Value-Added Services during the Covid-19 Pandemic Outbreak in a Tertiary Hospital in the Perak State of Malaysia
Creators: name: Chew Lan Sim
name: Yeoh Yee Ling
name: Tao, Chang Chee
name: Chii, Chew Chii
name: George, Doris
name: Rajan, Philip
Publisher: name: Zenodo
Year: 2021
Subjects: COVID-19
Malaysia
satisfaction
patients
caregivers
Value-Added Services
pandemic
outbreak
healthcare
Tertiary Hospital
Perak

description: Introduction Patient satisfaction was used as an indicator of service quality in the public hospitals. The pharmacy value-added services (VAS) was intensified after the COVID-19 outbreak, and evaluation of user's satisfaction was important for service improvement. Methodology  This was a single-center, cross-sectional, web-based study in the outpatient pharmacy in a tertiary hospital in the Perak state of Malaysia. Patients and caregivers aged 18 years and above, received at least one prescription refill using the pharmacy VAS services from April to September 2020 were included. Results Out of 333 invited people, 303 agreed to participate. Majority of the respondents were male (160, 52.8%), Chinese (156, 51.5%), with tertiary education (201, 66.3%) and retiree (112, 37.0%). Out of a maximum score of 5, the overall mean satisfaction score was 4.42 (SD: 0.55). The respondents were most agreeable to time saving benefits of the pharmacy VAS (4.56±0.63). Majority of the respondents felt that pharmacy VAS had made their life easier (290, 95.7%) and planned to recommend the pharmacy VAS to others (292, 96.4%) Respondents aged more than 60 (vs. age 18-35, β=2.375, p<0.001) and those who used drive-through service (vs. Integrated Drug Dispensing System, β=2.272, p=0.001) reported higher satisfaction scores. Several suggestions were made for service improvement, including longer operating hours (18, 6.0%), upgrading communication system (9, 3.0%), streamlined registration process (9, 3.0%), and selection of preferred postage delivery time (6, 2.0%). Conclusion Majority of the respondents were highly satisfied towards the pharmacy VAS. Future studies should compare the satisfaction of VAS with traditional counter service to compare the users' satisfaction. [Disclaimer: Abstract text might vary slightly from what is displayed in the e-poster]
description: This poster was submitted to the 14th National Conference for Clinical Research (NCCR) in August 18-20, 2021. https://nccrconference.com.my/
Views of young second language learners on building relationships with peers in an English classroom setting
Creators: name: El-Khater, Leyla
Publisher: name: University of British Columbia
Year: 2010

description: School communities are becoming more diverse in many countries around the world and are including children who are learning in a language that is not their first (2LL). Little is known about the experiences young 2LLs have when they enter early childhood settings for the first time. The aim of this study was to investigate in what ways being a 2LL may impact peer relationships according to the views of young children who learned or are learning English as a second language. The participants of this study were five children, ages 5-8, from an Arabic community near a large urban center in western Canada. The children‟s parents responded to an advertisement on an Islamic school‟s communication board. Data collection included two individual interviews held in each child‟s home and one group interview carried out at the children‟s school. All interviews involved a persona doll and were audio recorded and transcribed. The interview data were analyzed for reoccurring themes throughout the children‟s responses. The findings were organized under the headings: the children‟s feelings on their first day of school, the children‟s thoughts on the persona doll‟s (a 2LL) feelings on her first day of school, and the children‟s suggestions to help the doll learn English and socialize in the classroom. Overall, this study indicates that young children point to support from bilingual peers and/or teachers as valuable for the second language learner‟s acquisition of the new language. In addition, results of this study support previous research that has explored effective strategies for teaching young 2LLs.
Uptake and accumulation of silver nanoparticles by wheat (Triticum aestivum L.)
Creators: name: Rigby, Denitsa Nikolaeva
Publisher: name: Imperial College London
Year: 2020

description: The rapid product development and intense production, consumer use, and disposal of engineered nanomaterials like silver nanoparticles (Ag NPs) are leading to increased levels of Ag NP-containing waste. This waste can enter natural ecosystems by direct release or when biosolids from sewage sludge are applied on agricultural land as fertilisers. Silver NPs display physicochemical properties that differ from their bulk materials and their physical and chemical interactions with the environment are often poorly understood. As such, there is an urgent need for exposure studies of Ag NPs that can be used for comprehensive risk assessments. Recent research shows that Ag from Ag NPs enters roots through vascular tissues and is translocated to the stem, leaves and fruit of plants. Previous studies have reported that Ag from Ag NPs can have an impact on the cell structures of plants and their physiological and biochemical functions. This thesis focusses on the uptake, translocation and accumulation of Ag from Ag NPs and their ready soluble form (AgNO3) by wheat (Triticum aestivum L.) and their effects on a biological level in a series of exposures. In detail, the work presented in this thesis aims to: (i) provide quantitative data on the uptake and accumulation of Ag from Ag NPs and AgNO3 on wheat in an environmentally relevant exposure; (ii) focus on the effects of Ag on a biological level in an environmentally relevant Ag NP and AgNO3 exposure; (iii) delve into the uptake of Ag from Ag NPs, Ag2S NPs and AgNO3 in a multimedia exposure and into the use of hydroponic systems as a substitute for soil testing; and (iv) identify the mechanisms of Ag uptake from Ag NPs and AgNO3 under water stress through split root experiments.