cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A Method for High-Throughput Measurements of Viscosity in Sub-micrometer-Sized Membrane Systems†
Creators: name: Chwastek, Grzegorz
name: Petrov, Eugene P.
name: Sáenz, James Peter
Publisher: name: FID GEO
Year: 2019

description: Abstract To unravel the underlying principles of membrane adaptation in small systems like bacterial cells, robust approaches to characterize membrane fluidity are needed. Currently available relevant methods require advanced instrumentation and are not suitable for high-throughput settings needed to elucidate the biochemical pathways involved in adaptation. We developed a fast, robust, and financially accessible quantitative method to measure the microviscosity of lipid membranes in bulk suspension using a commercially available plate reader. Our approach, which is suitable for high-throughput screening, is based on the simultaneous measurements of absorbance and fluorescence emission of a viscosity-sensitive fluorescent dye, 9-(2,2-dicyanovinyl)julolidine (DCVJ), incorporated into a lipid membrane. We validated our method using artificial membranes with various lipid compositions over a range of temperatures and observed values that were in good agreement with previously published results. Using our approach, we were able to detect a lipid phase transition in the ruminant pathogen Mycoplasma mycoides.
Resonance parameters of the first 1/2+ state in 9Be and astrophysical implications
Creators: name: Burda, O.
name: von Neumann-Cosel, P.
name: Richter, A.
name: Forssén, C.
name: Brown, B. A.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Spectra of the 9Be(e,e') reaction have been measured at the S-DALINAC at an electron energy E_0 = 73 MeV and scattering angles of 93° and 141° with high energy resolution up to excitation energies E_x = 8 MeV. The astrophysically relevant resonance parameters of the first excited 1/2+ state of 9Be have been extracted in a one-level approximation of R-matrix theory resulting in a resonance energy E_R = 1.748(6) MeV and width Gamma_R = 274(8) keV in good agreement with the latest 9Be(gamma,n) experiment but with considerably improved uncertainties. However, the reduced B(E1) transition strength deduced from an extrapolation of the (e,e') data to the photon point is a factor of two smaller. Implications of the new results for a possible production of 12C in neutron-rich astrophysical scenarios are discussed.
description: 8 pages, 7 figures, accepted for publication in Phys. Rev. C
Effect of Filter Functional Coating on Detrimental Nonmetallic Inclusions in 42CrMo4 Steel and Its Resulting Mechanical Properties
Creators: name: Seleznev, Mikhail
name: Henschel, Sebastian
name: Storti, Enrico
name: Aneziris, Christos G.
name: Krüger, Lutz
name: Weidner, Anja
name: Biermann, Horst
Publisher: name: FID GEO
Year: 2019

description: Carbon-bonded ceramic foam filters with different functional coatings are immersed in a 42CrMo4 steel melt within a steel casting simulator. The solidified steel is analyzed with respect to the size distribution and the chemical composition of the remaining nonmetallic inclusions (NMI). Cyclic loading and quasi-static tests are performed to determine the fatigue limit, the strength, deformability, and toughness of the steel after filter immersion. The immersion of filter with calcium hexaluminate (CA6) coating significantly reduces the population of small (4–20 μm) NMIs. This leads to an increased deformability and, thus, ability for energy dissipation during deformation. However, the maximum size of NMIs is increased from 100 to 150 μm, which results in fatigue limit reduction, despite the decrease in NMIs total density. The majority of inclusions are found to be pure alumina. Large (up to 150 μm) plate-like alumina inclusions introduce most of the detrimental effects on cyclic strength, whereas significant effect on quasi-static strength is not found.
Testing the broaden-and-build theory in early adolescence : exploring associations of positive affect and problem solving coping strategies
Creators: name: Forsyth, Karen
Publisher: name: University of British Columbia
Year: 2016

description: In the context of testing the broaden-and-build theory in samples of adults, Fredrickson (1998, 2001) has hypothesized and found that frequent experiences of positive emotions broaden thoughts and behaviours, facilitating coping with stress and adversity, through building longterm psychological, physical, and social resources, which catalyze upward spirals toward future well-being. Yet, to date, scant research attention has been paid to examining the degree to which the broaden-and-build theory extends to research with children and adolescents. To address this gap, we investigated the theory with 96, 4th and 5th graders (48% female; M = 9.8 years; SD = .57) who completed a battery of measures assessing positive and negative affect and coping (Problem Solving/Self-Reliance and Seeking Social Support) at two time-points during the school year, approximately eight weeks apart. Results from regression analyses indicated that initial positive affect, but not negative affect, predicted improved broadened coping, and initial broadened coping predicted increased positive affect, but not reductions in negative affect. Further analyses indicated that increases in positive affect were mediated by broadened coping, and increases in broadened coping were mediated by positive affect. This study supports the broaden-and-build theory and provides insight into the role of positive emotions in broadening thoughts and behaviours in early adolescence and over time. Limitations and future directions are discussed with regard to the relevance of the broaden-and-build theory for research with adolescents and its educational applications.
PnBA/PDMAA-Based Iron-Loaded Micropillars Allow for Discrete Cell Adhesion and Analysis of Actuation-Related Molecular Responses
Creators: name: Kojima, Taisuke
name: Husari, Ayman
name: Dieterle, Martin Philipp
name: Fontaine, Sarah
name: Prucker, Oswald
name: Tomakidi, Pascal
name: Rühe, Jürgen
Publisher: name: FID GEO
Year: 2020

description: Abstract A new approach to generate magneto-activatable microstructures for discrete cell adhesion to investigate cell mechanoresponsiveness is reported here. The system is based on poly(n-butylacrylate) micropillar arrays, generated from prepolymers via C,H insertion chemistry and filled with magnetic iron oxide nanoparticles. The pillars' surfaces are modified such that only top faces of the pillars are cell attractive, while the pillar side walls and the area between the pillars are covered by a cell repelling hydrogel layer based on poly(N,N-dimethyl acrylamide). Magnet stimulation leads to pillar deflection, which induces traction forces to adherent cells. Analysis of early mechanoresponse in human mesenchymal stem cells, specifically the localization of autophosphorylated focal adhesion kinase (pFAK Y397) and the co-transcriptional activator yes-associated protein (YAP), shows a clear redistribution of pFAK Y397 to the cell margins and an enhanced nuclear localization of YAP, following the magnetically induced mechanical actuation. The successful use of this technique shows that the generated magnetoactive posts are suitable tools to detect the onset (FAK) and maintenance (YAP) involved in stem cell mechanosensing and mechanotransduction. The platform combines selective cell adhesion with the possibility of magnetic actuation, thereby representing a promising technology to broaden the molecular understanding of cellular mechanobiology.
Essays on Gender, Immigration, and Labor Markets
Creators: name: Shalise Sarah Ayromloo
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: The first chapter of this dissertation examines the evolution of traditional gender attitudes, where women are viewed as homemakers and men as breadwinners, via two key questions: 1) is it better for everyone involved, if men work outside the home and women tend home, and 2) are men better suited emotionally for politics than women? I show that the prevalence of traditional attitudes toward women working and women’s emotional suitability has significantly declined by 37 and 26 percentage points between 1977 and 2016, respectively. I document evidence suggesting that the aggregate decline in traditional attitudes is a function of both cohort replacement and people changing their views with age. I further document that a similar prevalence of traditional gender attitudes exists among men and women, while a higher prevalence of traditional attitudes is associated with lower levels of education and marriage. The second chapter examines the effects of labor demand changes, via Bartik shocks, on the prevalence of traditional gender attitudes. I find that a one percent increase in Bartik shocks, lowers the prevalence of traditional attitudes toward women working by 0.45 percentage points, while I find no evidence of a statistically significant effect on the prevalence of traditional attitudes toward women’s emotional suitability for politics. Although I find no evidence of heterogeneous effects of Bartik shocks, I do find suggestive evidence that men with less than a high school diploma and men with at least a baccalaureate are more responsive to own-group specific Bartik shocks. The third chapter (co-authored with Benjamin Feigenberg and Darren Lubotsky) examines the effects of state-level mandates requiring all or nearly all private-sector employers to use an electronic employment eligibility verification system, “E-Verify,” for new hires. We document declines in formal employment and employment turnover after the mandates’ passage, especially for a probabilistically work-ineligible population. We also document heterogeneity in E-Verify usage by firm size that leads to within-state employment spillovers from larger to smaller firms, and lowers the number of large firms. We find no evidence of labor market outcomes improvements for native-born workers and relocation of work-ineligible population in response to mandates.
NOON-state formation from Fock-state Bose-Einstein condensates
Creators: name: Cable, H.
name: Laloë, F.
name: Mullin, W. J.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: NOON states (states of the form $|N>_{a}|0>_{b}+|0>_{a}|N>_{b}$ where $a$ and $b$ are single particle states) have been used for predicting violations of local realism (Greenberger-Horne-Zeilinger violations) and are valuable in metrology for precision measurements of phase at the Heisenberg limit. We show theoretically how the use of two Fock state Bose-Einstein condensates as sources in a modified Mach-Zehnder interferometer can lead to the creation of the NOON state in which $a$ and $b$ refer to arms of the interferometer and $N$ is a subset of the total number of particles in the two condensates. The modification of the interferometer involves making {}"side" measurements of a few particles near the sources. These measurements put the remaining particles in a superposition of two phase states, which are converted into NOON states by a beam splitter if the phase states are orthogonal. When they are not orthogonal, a {}"feedforward" correction circuit is shown to convert them into proper form so a NOON results. We apply the NOON to the measurement of phase. Here the NOON experiment is equivalent to one in which a large molecule passes through two slits. The NOON components can be recombined in a final beam splitter to show interference.
description: 18 pages, 15 figures
Validation of the Slow Off-Kinetics of Sirtuin-Rearranging Ligands (SirReals) by Means of Label-Free Electrically Switchable Nanolever Technology†
Creators: name: Schiedel, Matthias
name: Daub, Herwin
name: Itzen, Aymelt
name: Jung, Manfred
Publisher: name: FID GEO
Year: 2020

description: Abstract We have discovered the sirtuin-rearranging ligands (SirReals) to be highly potent and selective inhibitors of the NAD+-dependent lysine deacetylase Sirt2. Using a biotinylated SirReal in combination with biolayer interferometry, we previously observed a slow dissociation rate of the inhibitor–enzyme complex; this had been postulated to be the key to the high affinity and selectivity of SirReals. However, to attach biotin to the SirReal core, we introduced a triazole as a linking moiety; this was shown by X-ray co-crystallography to interact with Arg97 of the cofactor binding loop. Herein, we aim to elucidate whether the observed long residence time of the SirReals is induced mainly by triazole incorporation or is an inherent characteristic of the SirReal inhibitor core. We used the novel label-free switchSENSE® technology, which is based on electrically switchable DNA nanolevers, to prove that the long residence time of the SirReals is indeed caused by the core scaffold.
Cellulose hydrogels physically crosslinked by glycine: Synthesis, characterization, thermal and mechanical properties
Creators: name: Palantöken, S.
name: Bethke, K.
name: Zivanovic, V.
name: Kalinka, G.
name: Kneipp, Janina
name: Rademann, Klaus
Publisher: name: FID GEO
Year: 2019

description: ABSTRACT Biopolymers are very efficient for significant applications ranging from tissue engineering, biological devices to water purification. There is a tremendous potential value of cellulose because of its being the most abundant biopolymer on earth, swellability, and functional groups to be modified. A novel, highly efficient route for the fabrication of mechanically stable and natural hydrogels is described in which cellulose and glycine are dissolved in an alkaline solution of NaOH and neutralized in an acidic solution. The dissolving temperature and the glycine amount are essential parameters for the self-assembly of cellulose chains and for tuning the morphology and the aggregate structures of the resulting hydrogels. Glycine plays the role of a physical crosslinker based on the information obtained from FTIR and Raman spectra. Among the prepared set of hydrogels, CL5Gly30 hydrogels have the highest capacity to absorb water. The prepared CL5Gly30 gels can absorb up to seven times their dry weight due to its porous 3-D network structure. CL5Gly10 hydrogel exhibits 80% deformation under 21 N force executed. The method developed in this article can contribute to the application of heavy metal adsorption in aqueous solutions for water purification and waste management. © 2019 The Authors. 137 published by Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48380.
The Effects of :Lacquered Ammunition on the Toolmark Transfer Process
Creators: name: Groshon, Nicole
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: When a firearm is discharged, the bullet and cartridge case acquire unique microscopic markings called ‘toolmarks’. Firearm forensics involves comparing two objects with similar toolmarks. These comparisons typically involve the bullets or cartridge cases found at a crime scene to ammunition that was test-fired with the suspected weapon. Historically, the primer faces of fired cartridge cases have been examined using a comparison light microscope and entered into a database. In recent years, agencies and laboratories have been transitioning to two and three-dimensional imaging to aid in faster comparisons with the help of automated search software programs. The database assigns a match score for the cases and the examiner makes a final comparison of the evidence and test fired ammunition to determine if there is a true match. One troublesome feature firearms examiners may encounter is the lacquer that is commonly used to seal the primer of cartridges. The purpose of the sealant is to prevent moisture from making contact with the gunpowder inside the cartridge, which would render it useless. So far, little research has been done to test the effects of lacquer on the transfer toolmark process on fired ammunition. Whether an examiner prefers using the comparison light microscope or virtual imaging, the lacquer may need to be removed at some point during the examination as it tends to chip and flake off in patches thus completely changing the topography of the surfaces compared. There has been concern, however, that the cleaning process may destroy some of the individual characteristics that are also necessary for comparison. In this study we aim to examine several different firearms to determine if lacquer affects the toolmark transfer process.
title: Reluctant partnership? British and EU perspectives on the EU's common foreign and security policy [CFSP] 2010 - 2016 and their implications post-Brexit
Creators: name: Lamb, G
Publisher: name: Liverpool John Moores University
Year: 2023

description: It is a commonly held assumption in the academic literature that the security and defence partnership between the UK and the EU, historically, was a bad one. Furthermore, at present, there exists no post-Brexit agreement between the UK and the EU on security and defence. It appears to be the current UK government’s view that a post-Brexit partnership with the EU is not needed and that the UK’s security and defence interests can be better served by forming alliances elsewhere. By analysing the relationship between the UK and the EU in security and defence in years leading up to Brexit, this thesis explores whether this commonly held assumption about the UK and EU’s partnership is true or whether in fact the partnership was much more valuable. In turn, this thesis will also explore whether a post-Brexit security and defence partnership is worth pursuing and, if so, what that partnership could look like. This thesis hopes to shed new light on the UK and EU’s past security and defence relationship to help better inform any future negotiations on any post-Brexit security and defence partnership.
Towards the F-Theorem: N=2 Field Theories on the Three-Sphere
Creators: name: Jafferis, Daniel L.
name: Klebanov, Igor R.
name: Pufu, Silviu S.
name: Safdi, Benjamin R.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: For 3-dimensional field theories with {\cal N}=2 supersymmetry the Euclidean path integrals on the three-sphere can be calculated using the method of localization; they reduce to certain matrix integrals that depend on the R-charges of the matter fields. We solve a number of such large N matrix models and calculate the free energy F as a function of the trial R-charges consistent with the marginality of the superpotential. In all our {\cal N}=2 superconformal examples, the local maximization of F yields answers that scale as N^{3/2} and agree with the dual M-theory backgrounds AdS_4 x Y, where Y are 7-dimensional Sasaki-Einstein spaces. We also find in toric examples that local F-maximization is equivalent to the minimization of the volume of Y over the space of Sasakian metrics, a procedure also referred to as Z-minimization. Moreover, we find that the functions F and Z are related for any trial R-charges. In the models we study F is positive and decreases along RG flows. We therefore propose the "F-theorem" that we hope applies to all 3-d field theories: the finite part of the free energy on the three-sphere decreases along RG trajectories and is stationary at RG fixed points. We also show that in an infinite class of Chern-Simons-matter gauge theories where the Chern-Simons levels do not sum to zero, the free energy grows as N^{5/3} at large N. This non-trivial scaling matches that of the free energy of the gravity duals in type IIA string theory with Romans mass.
description: 66 pages, 10 figures; v2: refs. added, minor improvements
Educators' Perceptions of Adinkra Symbols: A Phenomenological Study
Creators: name: Kwadwo A. Oppong-Wadie
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: Adinkra symbols have over the years become a feature of the African-American cultural landscape and has found its way into educational contexts in its use as a culturally situated instructional tool. Educators use Adinkra symbols in both formal and informal settings. The question that drives this study hinges on ‘how are these educators experiencing Adinkra symbols and what constitutes an experience’? The purpose of this study was to understand and describe the “essence of the experience” and the transactional meaning making that emanates from educators’ interactions with Adinkra symbols, and the implication of this on literacy for people of African descent in educational settings. Data from interviews and audio recordings were collected from 11 educators who use Adinkra symbols in their instruction. I employed qualitative research methods using a phenomenological approach. This study used the development of textural and structural descriptions of the educators’ experiences that resulted in a phenomenological description by identification of patterns and themes. These descriptions formed the core of the meaning making experiences that educators make from their interaction with Adinkra symbols. Meaning making is here defined as the process by which people understand or make sense of life, events, relationships, and the self. Meaning making is central to education (Ogden & Richards, 1923). This study was guided by a theoretical framework, African-centered theory. The essence of the experience of educators’ interactions with Adinkra symbols is primarily a function of social and cultural practices. Sign systems are imbued with the capacity to convey meaning (Gavelek & Whittingham, 2017). I therefore emphasize the potential that symbols and images have in the conveyance of meaning but more so how educators come to experience them and the implications these experiences have for instruction.
Edge-Based Compartmental Modeling for Infectious Disease Spread Part III: Disease and Population Structure
Creators: name: Miller, Joel C.
name: Volz, Erik M.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Biological sciences
subject: FOS: Physical sciences

description: We consider the edge-based compartmental models for infectious disease spread introduced in Part I. These models allow us to consider standard SIR diseases spreading in random populations. In this paper we show how to handle deviations of the disease or population from the simplistic assumptions of Part I. We allow the population to have structure due to effects such as demographic detail or multiple types of risk behavior the disease to have more complicated natural history. We introduce these modifications in the static network context, though it is straightforward to incorporate them into dynamic networks. We also consider serosorting, which requires using the dynamic network models. The basic methods we use to derive these generalizations are widely applicable, and so it is straightforward to introduce many other generalizations not considered here.
title: Reducing the Stigma of Mental Health in Elite Sport: An Investigation of Mental Health Literacy and Attitudes Towards Help-Seeking in Current and Retired Professional Athletes
Creators: name: Buck, T
Publisher: name: Liverpool John Moores University
Year: 2023

description: There has been a significant body of literature over the last decade that has focused on the growing prevalence of common mental disorders in elite athlete populations. This literature has provided the foundations for many other researchers to begin to develop focus on various concepts and phenomena associated with athlete mental health. However, within this body of literature there is a limited number of sources that have investigated the experiences of elite athlete mental health. The overall aim of this PhD was to explore experiences of athlete mental health and provide understanding of the potential antecedents associated with developing a common mental disorder in elite level sport, develop practical applications in treatment and referrals, contribute to future research, and reduce the stigma of mental health issues in elite level sport.
A functor-valued extension of knot quandles
Creators: name: Ito, Tetsuya
Publisher: name: arXiv
Year: 2010
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 57M25, 57M27

description: For an oriented knot $K$, we construct a functor from the category of pointed quandles to the category of quandles in three different ways. We also extend the quandle cocycle invariants of knots by using these quandle-valued invariant of knots, and study their properties.
description: 17 pages, 7 figures, typos and inconsintent notations are corrected
Parity Doubling and the S Parameter Below the Conformal Window
Creators: name: Appelquist, Thomas
name: Babich, Ron
name: Brower, Richard C.
name: Cheng, Michael
name: Clark, Michael A.
name: Cohen, Saul D.
name: Fleming, George T.
name: Kiskis, Joe
name: Lin, Meifeng
name: Neil, Ethan T.
name: Osborn, James C.
name: Rebbi, Claudio
name: Schaich, David
name: Vranas, Pavlos
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We describe a lattice simulation of the masses and decay constants of the lowest-lying vector and axial resonances, and the electroweak S parameter, in an SU(3) gauge theory with $N_f = 2$ and 6 fermions in the fundamental representation. The spectrum becomes more parity doubled and the S parameter per electroweak doublet decreases when $N_f$ is increased from 2 to 6, motivating study of these trends as $N_f$ is increased further, toward the critical value for transition from confinement to infrared conformality.
description: 4 pages, 5 figures; to be submitted to PRL
Aberrant brain network topology in fronto-limbic circuitry differentiates euthymic bipolar disorder from recurrent major depressive disorder
Creators: name: Dvorak, Jannis
name: Hilke, Marietheres
name: Trettin, Marco
name: Wenzler, Sofia
name: Hagen, Marleen
name: Ghirmai, Naddy
name: Müller, Maximilian
name: Kraft, Dominik
name: Reif, Andreas
name: Oertel, Viola
Publisher: name: FID GEO
Year: 2019

description: Abstract Introduction Previous studies have established graph theoretical analysis of functional network connectivity (FNC) as a potential tool to detect neurobiological underpinnings of psychiatric disorders. Despite the promising outcomes in studies that examined FNC aberrancies in bipolar disorder (BD) and major depressive disorder (MDD), there is still a lack of research comparing both mood disorders, especially in a nondepressed state. In this study, we used graph theoretical network analysis to compare brain network properties of euthymic BD, euthymic MDD and healthy controls (HC) to evaluate whether these groups showed distinct features in FNC. Methods We collected resting-state functional magnetic resonance imaging (fMRI) data from 20 BD patients, 15 patients with recurrent MDD as well as 30 age- and gender-matched HC. Graph theoretical analyses were then applied to investigate functional brain networks on a global and regional network level. Results Global network analysis revealed a significantly higher mean global clustering coefficient in BD compared to HC. We further detected frontal, temporal and subcortical nodes in emotion regulation areas such as the limbic system and associated regions exhibiting significant differences in network integration and segregation in BD compared to MDD patients and HC. Participants with MDD and HC only differed in frontal and insular network centrality. Conclusion In conclusion, our findings indicate that a significantly altered brain network topology in the limbic system might be a trait marker specific to BD. Brain network analysis in these regions may therefore be used to differentiate euthymic BD not only from HC but also from patients with MDD.
The accretion-heated crust of the transiently accreting 11 Hz X-ray pulsar in the globular cluster Terzan 5
Creators: name: Degenaar, N.
name: Wijnands, R.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We report on a Chandra Director's Discretionary Time observation of the globular cluster Terzan 5, carried out ~7 weeks after the cessation of the 2010 outburst of the newly discovered transiently accreting 11 Hz X-ray pulsar. We detect a thermal spectrum that can be fitted with a neutron star atmosphere model with a temperature for an observer at infinity of kT~100 eV, and a quiescent thermal bolometric luminosity of Lq~2E33 erg/s for an assumed distance of 5.5 kpc. The thermal emission is elevated above the quiescent base level measured in 2003 and 2009, i.e., prior to the recent accretion outburst. A likely explanation is that the neutron star crust was significantly heated during the recent accretion episode and needs to cool until it restores thermal equilibrium with the core. Although this has been observed for neutron star low-mass X-ray binaries that undergo accretion episodes of years to decades, it is the first time that evidence for crustal heating is detected for a transient system with a regular outburst duration of weeks. This opens up a new window to study heating and cooling of transiently accreting neutron stars.
description: 5 pages, 3 figures, accepted for publication in MNRAS Letters without revision. References updated
Radical-Induced 1,2-Migrations of Boron Ate Complexes
Creators: name: Kischkewitz, Marvin
name: Friese, Florian W.
name: Studer, Armido
Publisher: name: FID GEO
Year: 2020

description: Abstract 1,2-Boron ate rearrangements represent a fundamental class of transformations to establish new C−C bonds while retaining the valuable boron moiety in the product. In established ionic processes, the boron ate complex is activated by an external electrophile to induce a 1,2-migration from boron to an adjacent sp3 or sp2 carbon atom. Recently, two complementary radical polar crossover approaches have been explored for both classes, 1,2-migrations to sp2 and sp3 carbon centers. This review describes the general concepts in this emerging research field and summarizes recent developments of radical-induced 1,2-migrations from boron to carbon. image
The effect of neurodevelopmental impairment definition on incidence rates among very preterm infants
Creators: name: Haslam, Matthew David
Publisher: name: University of British Columbia
Year: 2016

description: Background: Various criteria are used to define severe neurodevelopmental impairment (SNI) and the effect of definition is rarely reported. Objective: To examine the impact of changes in SNI definition on incidence rates of SNI and the association between risk factors and SNI. Methods: We included infants (n=2187) born <29 weeks gestation between April 2009 and September 2011, who were admitted to a Canadian Neonatal Network Neonatal Intensive Care Unit (NICU) and assessed at 18-21 months corrected age by the Canadian Neonatal Follow-Up Network (CNFUN). Incidence rates of SNI were calculated for 7 commonly used definitions identified in the literature. Logistic regression was performed to identify risk factors for SNI using the definitions which yielded the highest and the lowest incidence rate of SNI. Adjusted odds ratios (AOR) and 95% confidence intervals (CI) were estimated for risk factors significantly associated with SNI. Results: SNI definitions were composed of six common criteria: cerebral palsy severity using the Gross Motor Function Classification System (GMFCS), motor, language, and cognitive Bayley-III scores, and visual or hearing impairment. SNI incidence ranged from 3.5% to 14.9% (highest vs lowest rate ratio 4.29; 95% CI: 3.37, 5.47). The definition yielding the highest incidence included at least one of: GMFCS score 3-5, Bayley-III motor, language, or cognitive score <70, bilateral visual impairment, or use of hearing aids or cochlear implants. The definition yielding the lowest incidence included at least one of: GMFCS score 4-5, Bayley-III language or cognitive score <55, or bilateral visual impairment. The associations between risk factors and SNI varied depending on the SNI definition used. Maternal ethnicity, employment status, antenatal steroid treatment, and gestational age at birth were inconsistent in the significance of their associations with SNI. Maternal drug use, infant male sex, score of neonatal acute physiology >20, late onset sepsis, bronchopulmonary dysplasia, and intraventricular hemorrhage were consistently associated with SNI, irrespective of the SNI definition used, although the strength of these associations varied. Conclusions: Criteria used to define SNI significantly influence SNI incidence and the associations between risk factors and SNI. A standardized definition of SNI would facilitate scientific communication and spatio-temporal comparisons.
Open-Cell Aluminum Foams by the Sponge Replication Technique: A Starting Powder Particle Study
Creators: name: Sutygina, Alina
name: Betke, Ulf
name: Scheffler, Michael
Publisher: name: FID GEO
Year: 2020

description: Open-cell aluminum foams are manufactured by a sponge replication technique, and the effect of aluminum particles with different shapes and particle sizes on foam properties is studied. It is found that aluminum powder with spheroidal particles leads to aluminum foams with a lower strut porosity, a lower amount of alumina, and a higher compressive strength compared with foams manufactured from flaky, irregularly shaped aluminum powder. This effect is explained with the lower surface area of the first mentioned type of powder.
Representation of Women and Identity in Bollywood Films
Creators: name: Shah, Priya V
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: Gender inequality in India is a problematic issue. There are stereotypical norms that men and women follow and Bollywood cinema has enforced these norms throughout their films. This study aims to look at how representation of women is presented in Bollywood films and how their identity is shaped. In order to determine how women were represented in Bollywood films, three different films were selected throughout a 30-year time period from 1990 up until 2016. This study was conducted utilizing a thematic analysis. The data was coded by watching each film thoroughly several times and each female character’s desires, wants, and socioeconomic factors were closely looked at. The codes were then analyzed and then categorized into select themes. After the categorization of themes, the major themes were renamed and defined as prominent themes that were present throughout each film. The four major themes that were found throughout this study were 1. Independence 2. Desire 3. Traditional Indian Values and 4. Identity. These four themes illustrated how a woman’s identity is shaped throughout the particular time period the film was created.
Coke Formation during Propane Dehydrogenation over Ga−Rh Supported Catalytically Active Liquid Metal Solutions
Creators: name: Wolf, Moritz
name: Raman, Narayanan
name: Taccardi, Nicola
name: Haumann, Marco
name: Wasserscheid, Peter
Publisher: name: FID GEO
Year: 2020

description: Abstract Supported Catalytically Active Liquid Metal Solutions (SCALMS) were recently described as a new class of heterogeneous catalysts, where the catalytic transformation takes place at the highly dynamic interface of a liquid alloy. Their application in alkane dehydrogenation has been claimed to be superior to classical heterogeneous catalysts, because the single atom nature of Rh dissolved in liquid Ga hinders the formation of significant amounts of coke, e. g. by oligomerisation of carbon fragments and excessive dehydrogenation. In the present study, we investigate the coking behaviour of Ga−Rh SCALMS during dehydrogenation of propane in detail by means of high-resolution thermogravimetry. We report that the application of Ga−Rh SCALMS indeed limits the formation of coke when compared to the Ga-free Rh catalyst, in particular when relating coke formation to the catalytic performance. Furthermore, the formed coke has been shown to be highly reactive during temperature programmed oxidation in 21 % O2/He with onset temperatures of approx. 150 °C enabling a regeneration of the Ga−Rh SCALMS system under mild conditions. The activation energy of the oxidation lies in the lower range of values reported for spent cracking catalysts. Monitoring the formation of coke and performance of SCALMS in situ via thermogravimetry coupled with mass spectrometry revealed the continuous formation of coke, which becomes the only process affecting the net weight change after a certain time on stream.
Tibetan Singing Bowls
Creators: name: Terwagne, Denis
name: Bush, John W. M.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Pattern Formation and Solitons (nlin.PS)
subject: Popular Physics (physics.pop-ph)
subject: FOS: Physical sciences
subject: 74-05, 76-05

description: We present the results of an experimental investigation of the acoustics and fluid dynamics of Tibetan singing bowls. Their acoustic behavior is rationalized in terms of the related dynamics of standing bells and wine glasses. Striking or rubbing a fluid-filled bowl excites wall vibrations, and concomitant waves at the fluid surface. Acoustic excitation of the bowl's natural vibrational modes allows for a controlled study in which the evolution of the surface waves with increasing forcing amplitude is detailed. Particular attention is given to rationalizing the observed criteria for the onset of edge-induced Faraday waves and droplet generation via surface fracture. Our study indicates that drops may be levitated on the fluid surface, induced to bounce on or skip across the vibrating fluid surface.
description: 21 pages
Fuzzy Classification of Facial Component Parameters
Creators: name: Halder, S.
name: Bhattacharjee, Debotosh
name: Nasipuri, M.
name: Basu, D. K.
name: Kundu, M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: This paper presents a novel type-2 Fuzzy logic System to define the Shape of a facial component with the crisp output. This work is the part of our main research effort to design a system (called FASY) which offers a novel face construction approach based on the textual description and also extracts and analyzes the facial components from a face image by an efficient technique. The Fuzzy model, designed in this paper, takes crisp value of width and height of a facial component and produces the crisp value of Shape for different facial components. This method is designed using Matlab 6.5 and Visual Basic 6.0 and tested with the facial components extracted from 200 male and female face images of different ages from different face databases.
Doubly-periodic array of bubbles in a Hele-Shaw cell
Creators: name: Silva, Antônio M. P.
name: Vasconcelos, Giovani L.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: Exact solutions are presented for a doubly-periodic array of steadily moving bubbles in a Hele-Shaw cell when surface tension is neglected. It is assumed that the bubbles either are symmetrical with respect to the channel centreline or have fore-and-aft symmetry, or both, so that the relevant flow domain can be reduced to a simply connected region. By using conformal mapping techniques, a general solution with any number of bubbles per unit cell is obtained in integral form. Several examples are given, including solutions for multi-file arrays of bubbles in the channel geometry and doubly-periodic solutions in an unbounded cell.
description: 15 pages, 12 figures
Using airborne laser scanning to assist in substantial forest management decisions for Sechelt's community forest on British Columbia's Sunshine Coast
Creators: name: Yuill, Anna
Publisher: name: University of British Columbia
Year: 2016

description: As of 2016, there were 57 community forestry organizations in British Columbia apart of various community forest agreements (CFA). Community forests allow for the development of multi-use management plans to reflect a diverse set of values. The availability of detailed information of the forested area is vital to maximizing a community’s benefits and profits. Airborne laser scanning (ALS) can provide estimates of conventional forest attributes, advance inventory attributes along with spatially describing ecosystem services (ES). This thesis combines ALS data, ground sampling data and vegetation resource inventory (VRI) data for the Sunshine Coast Community Forest (SCCF) located near Sechelt, British Columbia in a case study of the application of ALS data to benefit a community forest. Primary attributes (height, diameter at breast height, stem number, quadratic mean diameter, Lorey’s height, volume and biomass) were calculated using an area-based-approach. A secondary attribute (stem size distribution) was calculated using a two-parameter Weibull probability density function. Finally, a tertiary attribute - site indices - was calculated using maximum height from ALS. The reliability of primary attributes predictions varied, with stem number being the poorest (R²=0.51, p-value<0.001) and Lorey’s height (R²=0.92, p-value<0.001) the most precise. Stem size distribution was predicted with reasonable accuracy using the two-parameter Weibull approach (R²=0.43 and 0.65 for shape and scale, respectively). Site index (RMSE%=35.09), derived from ALS and VRI data was used to predict growth and yield for a timber supply analysis. ALS derived estimates of site indices increased the predicted amount of harvestable timber on the landscape. The spatial description of ES has been identified as a key area where information is lacking, hampering efforts to better manage ES. This thesis describes the ability of ALS to map and monitor ES by reviewing existing ALS research and discussing the applications, limitations, and knowledge gaps for spatially describing ES. I conclude with recommendations for SCCF for using ALS data to map ES. The research in this thesis advances the use of ALS in community forest agreements and demonstrates the feasibility of using ALS data to augment traditional forestry inventory, conduct a timber supply and map a variety of ES.
Commercial service platform for user-relevant coastal water monitoring services based on Earth observation
Creators: name: Peters, Steef
name: Poser, Kathrin
name: Spaias, Lazaros
name: Riddick, Caitlin
name: Spyrakos, Evangelos
name: Hunter, Peter
name: Tyler, Andrew
name: Braga, Federica
name: Brando, Vittorio
name: Zoffoli, Laura
name: Barillé, Laurent
name: Gernez, Pierre
name: Torres, Jesús
name: Gonzalez Vilas, Luis
name: van der Hiele, Tony
name: Barillé, Anne-Laure
name: Mata Lara, Mariana
Publisher: name: Zenodo
Year: 2019
Subjects: water quality
earth observation
remote sensing
coastal zone

description: Poster presentation at the Joint GEO AquaWatch/GloboLakes 2018 Meeting “Water Quality Information for the Benefit of Society”
title: Demonstrating the application of health psychology to multiple areas of professional practice
Creators: name: Atherton, K
Publisher: name: Liverpool John Moores University
Year: 2023

description: This portfolio details work undertaken towards fulfilment of the five competencies forming the Professional Doctorate in Health Psychology. The Trainee worked across a range of settings, both in private practice and within the NHS. Competencies were fulfilled both within and outside of these roles and demonstrate how Health Psychology can be applied across a wide range of settings. Though this collection of pieces may not necessarily work harmoniously, it is a demonstration of how health psychology can be applied across a number of domains. Competencies were fulfilled as follows: Professional practice. For the first 18 months, the Trainee worked as a Product Owner and then Engagement Lead for a small organisation providing co-created digital interventions in response to public health challenges. In the final year, the Trainee worked as an Assistant Psychologist in a Community Mental Health Team. The professional practice competence was fulfilled by working across both positions in accordance with relevant codes of conduct. This is evidenced through a Practice Log and detailed Reflective Commentary at the end of this portfolio. Teaching and training. The Trainee evidenced a number of face-to-face and online teaching experiences to advance knowledge in health psychology concepts, providing a reflective diary and a case study of a five-part teaching series. Consultancy. The Trainee sought work externally for the purpose of engaging in consultancy with NHS Innovation Agency. A contract and end-of-consultancy report was produced and a detailed case study has been provided detailing the process. Behaviour change interventions. The Trainee has produced case studies detailing two behaviour change interventions delivered; a one-to-one, face-to-face sleep hygiene intervention; and an online intervention to increase fruit and vegetable intake. Research. The Trainee produced three original pieces of research, contributing to the evidence base in each area: A systematic review exploring the effect of walking interventions on anxiety, a multi-method study investigating the impact of lockdown on women engaged in team sport, and a readability analysis on online migraine information.
Global Expenditures
Creators: name: Funk, Derek
Publisher: name: Zenodo
Year: 2019

description: This is the first project in the George Washington University's Visualization of Complex Data, led by Dr. Nima Zahadat. This assignment utilizes a variety of contemporary technologies to visually examine some of the top nations' spending on education, healthcare, and the military, as well as how they relate to the nations' overall spending, GDP, and population.

link to application on shinyapps.io: https://derek-funk.shinyapps.io/individual_project/
Structural Incorporation of Selenium into Pyrite and Mackinawite
Creators: name: Diener, Alexander
Publisher: name: Karlsruhe
Year: 2012
Subjects: Incorporation
Solid Solution
Selenium
Pyrite
XAFS

description: Selenium has a radiotoxic potential as 79Se radionuclide if discharged from a high-level nuclear waste repository into the biosphere. We performed three different syntheses of selenium doted pyrite and examined the amount of incorporated Se as well as the structural bonding. The incorporated amount of Se is very high (>98%). The structural substitution of Se by S occurs only for high supersaturated solutions. Under anoxic and acidic conditions, the incorporation of Se(0) is more likely.
Critical scaling of polarization waves on a heterogeneous chain of resonators
Creators: name: Faez, Sanli
name: Lagendijk, Ad
name: Ossipov, Alexander
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: The intensity distribution of electromagnetic polar waves in a chain of near-resonant weakly-coupled scatterers is investigated theoretically and supported by a numerical analysis. Critical scaling behavior is discovered for part of the eigenvalue spectrum due to the disorder-induced Anderson transition. This localization transition (in a formally one-dimensional system) is attributed to the long-range dipole-dipole interaction, which decays inverse linearly with distance for polarization perpendicular to the chain. For polarization parallel to the chain, with inverse squared long range coupling, all eigenmodes are shown to be localized. A comparison with the results for Hermitian power-law random banded matrices and other intermediate models is presented. This comparison reveals the significance of non-Hermiticity of the model and the periodic modulation of the coupling.
description: Section on singularity spectrum included