cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Star formation histories of galaxy populations using the SED-fitting code ProSpect.
Creators: name: Bellstedt, Sabine
Publisher: name: Zenodo
Year: 2020

description: Measuring the cosmic star formation history (SFH) is essential to our understanding of the build-up of stellar mass in our Universe. SED-fitting techniques, which use multi-wavelength photometry from galaxies in the low-z Universe to infer their SFHs, are becoming increasingly popular to measure the cosmic SFH as an alternative to star formation rate measurements at different epochs of the Universe. Up until now, however, the cosmic SFHs derived from such techniques have not shown good agreement with observations. In this talk, I will present results using a new SED-fitting code ProSpect to derive star formation histories of ~60,000 z<0.1 galaxies from the GAMA survey to infer the cosmic SFH. I will show that this implementation has provided a marked improvement when compared with the results of other SED-fitting techniques. These results also allow us to separate the contribution to the cosmic SFH by different z~0 populations, either by morphology or stellar mass. This provides a crucial insight into the histories of these populations, which will be essential in linking these objects with their progenitors at higher redshifts. This task will be possible with current and upcoming redshift surveys such as DEVILS and WAVES-deep.
Surveying the Universe with ALMACAL
Creators: name: Zwaan, Martin
Publisher: name: Zenodo
Year: 2020

description: ALMACAL is an extensive (sub-)millimetre survey taking advantage of the high sensitivity reached in the fields of ALMA calibrator observations. We analyse all calibration data taken by ALMA since Cycle 1 (more than 1000 hours of observing time!) to conduct a number of surveys, including multi-band and multi-epoch surveys of dusty star-forming galaxies, a blind CO survey to study the evolution of the cold gas content of the Universe, redshifted molecular absorption line surveys, and line intensity mapping. In addition, the data offer a unique opportunity to investigate the spectral behaviour and variability of a large sample of bright extragalactic sources: the calibrators themselves. Here, we give a summary of the ALMACAL science and science potential, addressing a large range of problems in extragalactic astronomy.
The evolution of galaxies' multi-phase gas reservoirs by environment
Creators: name: Stevens, Adam
Publisher: name: Zenodo
Year: 2020

description: Over the last decade in particular, our understanding of the effect of environment on galaxies' cold-gas reservoirs has blossomed. There is a clear picture from 21-cm observations and cosmological simulations that low-redshift satellite galaxies have less atomic gas relative to centrals of the same stellar mass, especially in haloes of higher mass. But debate and uncertainty remains about the impact of environment on molecular and ionized gas, which we are also more reliant on at redshifts>0.3. In this talk, I will provide an overview of what current observations tell us about the multi-phase gas reservoirs of galaxies across cosmic time and environments, comparing and contrasting to the latest predictions from cosmological simulations, including IllustrisTNG. This is a critical topic for this conference's section on "Galaxies across time". I will highlight where the most significant tension between theory and observation lie, and where the largest sources of uncertainty in comparing the two come from. Finally, I will touch on how upcoming surveys like WALLABY and VERTICO, as well as the Genesis simulation program, should help to address some of this tension.
VLT observations of the host galaxies of Fast Radio Bursts
Creators: name: Ryder, Stuart
Publisher: name: Zenodo
Year: 2020

description: Fast Radio Bursts (FRBs) last only a few milliseconds, but their cause and even their extragalactic origins have remained elusive. The Australian SKA Pathfinder (ASKAP) has the unique capability to not only reveal which galaxy an FRB occurred in, but even where within the host galaxy it occurred. We have used FORS2 and X-Shooter on the VLT to follow-up the first sample of FRB host galaxies from ASKAP. I will present our initial findings on the environments of FRBs, and the intergalactic and circumgalactic media through which they propagate.
Modelling of stochastic processes governing galaxy evolution
Creators: name: Kipper, Rain
Publisher: name: Zenodo
Year: 2020

description: Galaxy evolution is not determined by a single process, but a multitude of smaller effects. Accretion of gas, accretion of small satellites, major mergers, gas depletion, ram pressure stripping, strangulation, mass quenching are just a few processes that affect the evolution of galaxies. Since the possibilities are numerous and the causes are somewhat degenerated, it is difficult to model all effects consistently. For example, if a population of galaxies has negligible star formation, it is difficult to determine, what is the cause of it. We present a novel stochastic modelling that allows to disentangle different effects by modelling the movement of galaxies in the SFR-Mstar plane. We use the well tested GAMA data for our modelling. In the process of modelling, we rely only on observational data. As one of our preliminary results, we could distinguish major merger event rate and ram pressure stripping event rate to be about 1:10, while self-consistently modelling the rest of studied processes. Results of this analysis will be published in Kipper, Tempel et al. (in prep).
Using the SED-fitting code ProSpect to trace star formation in DEVILS
Creators: name: Thorne, Jessica
Publisher: name: Zenodo
Year: 2020

description: The Deep Extragalactic VIsible Legacy Survey (DEVILS) will bridge the gap in knowledge between the high completeness studies of the local universe (i.e. GAMA and SDSS) and the targeted deep, but sparsely sampled, surveys designed to probe the initial stages of galaxy evolution at z>1 (i.e. zCOSMOS-deep). It is at the under-sampled epoch (0.3 < z < 1) where both galaxies and their host halos undergo significant evolution. With preliminary redshifts from DEVILS and the plethora of auxiliary data in the COSMOS field including multiwavelength photometry we can begin to understand the evolution of galaxies over the last 8 billion years. I have recovered the star formation histories and dust properties of galaxies in the DEVILS sample using the new spectral energy distribution fitting code ProSpect. I will present these preliminary science results from DEVILS and highlight the wealth of information that will come from DEVILS once it is completed.
The Most Massive Stars do the Most Damage: Improving Stellar and Photoionized Models in Nearby HII Regions
Creators: name: Grasha, Kathryn
Publisher: name: Zenodo
Year: 2020

description: Integral field spectroscopy with instruments such as MUSE or SITELLE provide an extraordinary dataset to study the resolved spatial and spectral properties of HII regions in nearby galaxies. Having self-consistent stellar tracks and atmosphere modeling are crucial to accurately interpret such observations. To date, only a handful of stellar evolution models are available and they all use the same metallicity abundances. We know now that the assumed metallicity abundances impacts the relative scaling of the lines ratios and will have a significant impact on measurables, such as metallicity, geometry, and ionization parameter. It is crucial that we improve currently available stellar models as they impact our interpretation of galactic properties and how they evolve over cosmic time. We will present our new physically motivated stellar models and the impact that the different assumed elemental abundances, metallicity, and rotation have on the observable spectral energy distributions.
From Exascale Supercomputing to FAIR data
Creators: name: Neukirchen, Helmut
Publisher: name: https://b2share.eudat.eu
Year: 2020
Subjects: 4.1 → Formal sciences → Computer sciences
Exascale supercomputing, DEEP-EST project, FAIR data, EOSC-Nordic project

description: According to Moore's law, the number of transistors in
an integrated circuit doubles about every two years, giving us
faster computers in the same pace. Latest when miniaturisation
reaches atomic levels, Moore's law will be coming to an
end (likely in 5 to 10 years). While we see in 2020 still an
increase in number of transistors, general purpose CPU cores
do not really get faster anymore. This did lead to the rise of
specialised "accelerators" (such as GPUs). With current
High-Performance Computing clusters being in the PetaFLOPS range,
Exascale (i.e. 10^18 FLOPS=floating point instructions per second)
is the next (and maybe final) sonic barrier to break. The first part
of this talk will report from the DEEP-EST Exascale research project
that develops a modular supercomputing architecture to provide
different hardware modules each employing different accelerator
technologies tailored to specific problem domains, such a simulation
or machine learning. The second part of this talk will cover the
European Open Science Cloud (EOSC) that gathers and provides many
digital services for European researchers, such as computing or
storing research data. For example, you need to store research
data (or just your source code), preferably even with a DOI so
that you and others can reference it? -- EOSC provides the right
service! With respect to Nordic research data, the EOSC-Nordic
project aims at making this data FAIR, i.e. findable, accessible,
interoperable, and reusable. Maybe even you have data that is worth
being made FAIR?!
description: Presentation slides for presentation held as part of the seminar series organized by the University of Iceland Engineering Research Institute, 17.4.2020.
Video recording of presentation available as stream via:
https://hi.cloud.panopto.eu/Panopto/Pages/Viewer.aspx?id=5f48b270-b9d2-4b8b-8ed6-aba000e6be49
The Cosmic Ballet: spin alignment of galaxies and haloes in the cosmic web
Creators: name: Tempel, Elmo
Publisher: name: Zenodo
Year: 2020

description: We investigate the alignment of galaxies and haloes relative to cosmic web filaments using the P-Millennium cosmological simulation and the EAGLE hydrodynamical simulation (Ganeshaiah Veena et al. 2018,2019). EAGLE haloes have an identical spin alignment with filaments as their counterparts in dark-matter-only simulations: a complex mass-dependent trend with low-mass haloes spinning preferentially parallel to and high-mass haloes spinning preferentially perpendicular to filaments. When splitting by morphology, we find that elliptical galaxies show a stronger orthogonal spin-filament alignment than spiral galaxies of similar mass. The same is true of their host haloes. This supports the observational findings based on SDSS (Tempel et al. 2013, Tempel & Libeskind 2013). Due to the misalignment between galaxy shape and spin, galaxy minor axes are oriented differently with filaments than galaxy spins. We find that the galaxies whose minor axis is perpendicular to a filament are much better aligned with their host haloes. This suggests that many of the same physical processes determine both the galaxy-filament and the galaxy-halo alignments. Next generation surveys (e.g. 4MOST WAVES survey) will provide an unprecedented data set to test various angular momentum acquisition theories.
title: NSDAP-Mitglieder in den Akademien der Wissenschaften: Berlin, Göttingen, Heidelberg, Leipzig, München und Wien im Vergleich
Creators: name: Feichtinger, Johannes
name: Klos, Sandra
Publisher: name: MyCoRe Community
Year: 2024
Subjects: subject: Nationalsozialistische Deutsche Arbeiterpartei
subject: Mitglied
subject: Akademie der Wissenschaften
subject: NS-Belastung
subject: Handlungsspielraum
subject: 000
subject: 940

description: In diesem Artikel wird ein Vergleich zwischen den im Verband issenschaftlicher Körperschaften zusammengeschlossenen Akademien der Wissenschaften (Berlin, Göttingen, Heidelberg, Leipzig, München und Wien) bezüglich der Anzahl der Parteiangehörigen unter den Mitgliedern gezogen. Die vergleichende Analyse der NS-Belastung der Gelehrtengesellschaften im „Dritten Reich“ zeigt, dass die Akademie der Wissenschaften in Wien unter ihren Mitgliedern einen der höchsten Anteile an NSDAP-Mitgliedern – rund die Hälfte – aufwies. Diese „Selbstnazifizierung“ erwies sich letztlich nicht als gewinnbringend: Die politische Linientreue eröffnete der Wiener Akademie keine erweiterten Handlungsspielräume, und sie verhinderte nicht die weitere Provinzialisierung des Wissenschaftsstandorts Wien in der Zeit des Nationalsozialismus.
description: In this article, a comparison is made between the academies of sciences united in the Association of Scientific Bodies (Verband wissenschaftlicher Körperschaften, i.e. Berlin, Göttingen, Heidelberg, Leipzig, Munich and Vienna) with regard to the number of Nazi party members among the members of the respective Academies. This comparative analysis of the learned societies in the “Third Reich” relating to their involvement in the national-socialist regime shows that the Academy of Sciences in Vienna had among its members one of the highest proportions of NSDAP members – about half. The academy’s self-nazification did not prove advantageous in the end. Party loyalty did not open up any extended scope for action for the Vienna Academy, and it did not prevent the further provincialization of Vienna as a science hub during the period of National Socialism.
description: Politik in der Wissenschaft: Zur Evaluierung von „NS-Belastung“ in wissenschaftlichen Kontexten, p. 177
Screening of Gossypium hirsutum germplasm against Verticillium dahlia Kleb by natural infection
Creators: name: Iqbal, Zahid
Publisher: name: figshare
Year: 2015
Subjects: subject: Environmental Science
subject: 99901 Agricultural Engineering
subject: FOS: Other engineering and technologies
subject: Soil Science
subject: Genetics
subject: FOS: Biological sciences
subject: Education

description: An experiment on screening of cotton germplasm against Verticillium wilt caused by Verticillium dahlia Kleb was carried out at Cotton Research Institute in 2008, 2009 and 2010 seasons in Zimbabwe. The objective of the study was to identify cotton germplasm with considerable resistance to the disease under natural infection for use in cotton variety development programmes. Twelve varieties were laid in a randomised complete block design replicated three times. Eight were new elite varieties and three were commercial cultivars. Infection percentages were calculated for infected plants in each plot. Percentage infection were Arcsine transformed and varieties with scores of 0-9% rated highly resistant, 10-19% rated resistant, 20-29% rated tolerant and above 29% rated susceptible. Three test varieties LS96-05-1, 937-05-8 and 97-05-1 were identified as resistant to the disease and were recommended for use in cotton breeding programmes.
Acoustically-driven thread-based tuneable gradient generators
Creators: name: Ramesan, Shwathy
name: Rezk, Amgad R.
name: Cheng, Kai Wei
name: Chan, Peggy
name: Yeo, Leslie Y.
Publisher: name: Swinburne
Year: 2024

description: Thread-based microfluidics offer a simple, easy to use, low-cost, disposable and biodegradable alternative to conventional microfluidic systems. While it has recently been shown that such thread networks facilitate manipulation of fluid samples including mixing, flow splitting and the formation of concentration gradients, the passive capillary transport of fluid through the thread does not allow for precise control due to the random orientation of cellulose fibres that make up the thread, nor does it permit dynamic manipulation of the flow. Here, we demonstrate the use of high frequency sound waves driven from a chip-scale device that drives rapid, precise and uniform convective transport through the thread network. In particular, we show that it is not only possible to generate a stable and continuous concentration gradient in a serial dilution and recombination network, but also one that can be dynamically tuned, which cannot be achieved solely with passive capillary transport. Additionally, we show a proof-of-concept in which such spatiotemporal gradient generation can be achieved with the entire thread network embedded in a three-dimensional hydrogel construct to more closely mimic the in vivo tissue microenvironment in microfluidic chemotaxis studies and cell culture systems, which is then employed to demonstrate the effect of such gradients on the proliferation of cells within the hydrogel.
MPEC 2024-E91 : 2021 LW44
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
title: The Virologist Eugen Haagen (1898 –1972) as a Late Nazi Election to the Leopoldina of a Virologist and Professor of Hygiene at the Reichsuniversität Straßburg
Creators: name: Weindling, Paul
Publisher: name: MyCoRe Community
Year: 2024
Subjects: subject: Haagen, Eugen
subject: Virologie
subject: Hygiene
subject: Reichsuniversität Straßburg
subject: Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher
subject: Mitglied
subject: Menschenversuch
subject: 000
subject: 610
subject: 940

description: Eugen Haagen (1898 –1972) trained as virologist in Berlin and in Rockefeller Foundation laboratories in New York. He was appointed to a chair of hygiene at the Reichsuniversität Straßburg in 1942. He conducted extensive experimental research on Sinti and Roma transferred at his request from Auschwitz to Natzweiler concentration camp. He was elected to the Leopoldina in 1944. After the war he took a research job in microbiology at the newly reconstituted Berlin-Buch medical research institute in the Soviet zone. He was arrested by the British and then transferred to French custody. His Leopoldina membership was cancelled when he was convicted of war crimes of coerced experimentation on Sinti and Roma from Auschwitz. When released in 1956 from French custody, he returned to the Federal Republic where he resumed research in microbiology.
description: Eugen Haagen (1898 –1972) wurde in Berlin und in den Laboren der Rockefeller-Stiftung in New York zum Virologenausgebildet. 1942 wurde er auf einen Lehrstuhl für Hygiene an der Reichsuniversität Straßburg berufen. Er führteumfangreiche experimentelle Untersuchungen an Sinti und Roma durch, die auf seinen Wunsch von Auschwitz in das Konzentrationslager Natzweiler transportiert wurden. 1944 wurde er in die Leopoldina gewählt. Nach dem Krieg nahm er eine Forschungsstelle in Berlin-Buch in der Sowjetischen Besatzungszone an. Er wurde von den Briten verhaftet und dem französischen Gewahrsam überstellt. Seine Leopoldina-Mitgliedschaft wurde 1955 wegen seiner Verurteilung als Kriegsverbrecher für Menschenversuche an Sinti und Roma aus Auschwitz annulliert. Nach seiner Entlassung im Jahr 1956 nahm er seine mikrobiologische Forschung in der Bundesrepublik Deutschland wieder auf.
description: Politik in der Wissenschaft: Zur Evaluierung von „NS-Belastung“ in wissenschaftlichen Kontexten, p. 193
MAGPHYS+photo-z: Constraining the Physical Properties of Galaxies with Unknown Redshifts
Creators: name: Battisti, Andrew
Publisher: name: Zenodo
Year: 2020

description: We present an enhanced version of the spectral modeling code MAGPHYS that allows the estimation of galaxy photometric redshift and physical properties simultaneously, together with robust characterization of their uncertainties. The self-consistent modeling over ultraviolet to radio wavelengths in MAGPHYS photo-z is unique compared to existing standard photometric redshift codes. The broader wavelength consideration is particularly useful for breaking certain degeneracies in color vs. redshift and for estimating photo-z values for dusty galaxies with limited observer-frame ultraviolet and optical data (or upper limits). We demonstrate the success of the code in estimating redshifts and physical properties for over 4,000 infrared-detected galaxies at 0.4
Measuring Ex-situ Populations in Galaxies
Creators: name: Davison, Thomas
Publisher: name: Zenodo
Year: 2020

description: We are currently experiencing a revolution in the study of galaxies, driven by the arrival of large field-of-view IFUs providing high S/N spectroscopy. When combined with novel statistical methods for decomposing spectra into their constituent stellar populations we have the opportunity to dramatically improve our understanding of the galaxy formation process. Using these methods we are now able to break down galaxies into their individual stellar populations, and further, to classify such populations as having been formed in or ex-situ. This allows us to examine not just the star formation and chemical enrichment histories of the galaxies, but also their assembly histories. In this talk, I will present predictions of the ex-situ fractions for galaxies drawn from the EAGLE simulations. We tailor these predictions for observers by providing them as a function of observable parameters such as surface brightness as well as mass and galaxy size. Furthermore, I will present the first large scale attempt to directly measure in and ex situ fraction on a sample of real galaxies drawn from the SDSS survey. By binning galaxies by mass, size, and fraction of light contained within the SDSS fibre, we produce high S/N spectra, from which we determine ex-situ fractions. I will describe how trends in ex-situ fraction vary across the mass-size plane, and how this compares to our predictions from simulations.
The discovery of a twinkling radio source with Apertif: extreme scintillation from turbulent plasma in the direct solar neighbourhood
Creators: name: Oosterloo, Tom
Publisher: name: Zenodo
Year: 2020

description: Propagation through turbulent interstellar plasma leads to interstellar scintillation of very compact radio sources. Such scintillations are a unique probe of the sub-AU scale structure of the interstellar medium, as well as of the micro-arcsecond structure of radio sources. Scintillations of a few percent on timescales of a few days is commonly seen at centimetre wavelengths and is thought to result from the line-of-sight integrated turbulence in Milky Way's interstellar plasma. Only three sources so far have shown more extreme variations (larger than tens of per-cent) on shorter timescales (hours or less). Such extreme variations requires propagation through very nearby (d < 10 pc) anomalously dense (n~10^2 cm^-3) plasma clouds. We report the discovery and monitoring, using Apertif, of a unique radio source showing extreme intra-hour variations at 1.4 GHz, with flux changes up to a factor 4 within 15 minutes. The longer wavelength of the observed scintillations, combined with the short timescales, requires scattering in a dense plasma that is extremely close: 1-2 lightyear, a distance which is within the Sun's sphere of gravitational influence. Our results show the promise of deep large-area surveys done with radio telescopes with a large field of view of uncovering more of these interesting sources that are a unique probe to explore the plasma in the direct solar neighbourhood.
Análise do uso das ferramentas de redes sociais em bibliotecas universitárias brasileiras
Creators: name: Giseli Adornato De Aguiar
name: Silva, José Fernando Modesto Da
Publisher: name: figshare
Year: 2015
Subjects: subject: Library and Information Studies
subject: FOS: Media and communications

description: O objetivo do trabalho é avaliar a contribuição das ferramentas de redes sociais na melhoria da comunicação e da qualidade dos serviços e produtos das bibliotecas universitárias brasileiras. A pesquisa é de caráter exploratório com abordagem quantitativa e qualitativa, por meio da aplicação de questionário às bibliotecas da UNESP, UNICAMP e USP e de entrevista a uma amostra de bibliotecas dessas instituições. Os resultados revelam que as bibliotecas estão, ainda, em um estágio de experimentação com relação à utilização das redes sociais. Apesar disso, acredita-se que as redes sociais podem contribuir na melhoria da comunicação e da qualidade dos serviços e produtos bibliotecários.
Probing the nature of large LSB galaxies using large sky surveys
Creators: name: Prole, Daniel
Publisher: name: Zenodo
Year: 2020

description: The era of large optical sky surveys has enabled statistical constraints on the properties of low surface brightness (LSB) galaxies across a variety of environments. Such constraints can be used to understand the mysterious formation mechanisms of large LSB galaxies, commonly known as ultra-diffuse galaxies (UDGs). In the first part of my talk, I will use the Fornax Deep Survey (FDS) data to show that UDGs in the Fornax Cluster have normal numbers of globular clusters for their luminosity, indicating that they have halo masses similar to smaller dwarf galaxies of the same luminosity and thus disfavouring the "failed-L*" formation scenario. In the second part of the talk, I will show that field UDGs have similar formation efficiencies but are systematically bluer than those in cluster environments by using measurements from a combination of the KiDS and HSC-SSP datasets. This implies that secular evolution plays a significant role in producing such large yet diffuse galaxies.
Dust, its composition and evolution in the Universe
Creators: name: Tayyaba Zafar
Publisher: name: Zenodo
Year: 2020

description: Interstellar dust plays a crucial role in the formation of stars and the evolution and assembly of galaxies. Extinction provides an indirect measure of the enrichment process and conditions within an environment. Using Gamma-ray bursts (GRBs), for the first time, we derive the individual extinction curves of these cosmological sources. We find that their extinction curves are different from the typically used Small Magellanic Cloud type extinction curve. The shape of these extinction curves also provided clues to their grain composition, where more silicate grain population is noticed. Furthermore, looking for dust content in redshift z=0-8 GRBs, we evidenced a real decrease in dust content at z>3.5, suggesting a transition in dust properties and/or available dust building blocks. Below z<3.5, the rise in dust content could be carbon-production from the first AGB stars, and possibly iron production by the first TypeIa SNe.
Uso das ferramentas de redes sociais em bibliotecas universitárias: um estudo exploratório na UNESP, UNICAMP e USP
Creators: name: Giseli Adornato De Aguiar
name: Silva, José Fernando Modesto Da
Publisher: name: figshare
Year: 2015
Subjects: subject: Library and Information Studies
subject: FOS: Media and communications

description: O objetivo do trabalho é avaliar a contribuição das ferramentas de redes sociais da Web na melhoria da comunicação e da qualidade dos serviços e produtos das bibliotecas universitárias. Aborda-se o conceito de redes e redes sociais e como ele se dinamiza com as redes sociais da internet. A pesquisa é de caráter exploratório com abordagem quantitativa e qualitativa, por meio da aplicação de questionário e entrevistas às bibliotecas da UNESP, UNICAMP e USP. Os resultados revelam que as bibliotecas ainda estão em um estágio de experimentação com relação à utilização das redes sociais. Verifica-se que as ferramentas possibilitam novas formas de comunicação e de divulgação de informações, serviços e produtos para as bibliotecas, bem como de capacitação para seus usuários, o que resulta em inovação e agrega valor aos processos já existentes. Ao mesmo tempo, entende-se que as redes sociais não se caracterizam apenas como espaços de comunicação e divulgação, mas também de participação, colaboração e interação, processos ainda pouco explorados pelas bibliotecas consultadas. Apesar disso, acredita-se que as redes sociais podem contribuir na melhoria da comunicação e da qualidade dos serviços e produtos bibliotecários.
Taking librarians off the desk: One library changes its reference desk staffing model
Creators: name: Peters, Timothy
Publisher: name: figshare
Year: 2015
Subjects: subject: Library and Information Studies
subject: FOS: Media and communications
subject: 80799 Library and Information Studies not elsewhere classified
subject: 80706 Librarianship

description: An article describing how Central Michigan University used data to inform its decision to remove librarians from the reference desk and go to an on-call model.
The atomic Hydrogen content of the post-reionization Universe
Creators: name: Spinelli, Marta
Publisher: name: Zenodo
Year: 2020

description: In this talk I will present a comprehensive analysis of atomic hydrogen (HI) properties using a semi-analytical model of galaxy formation and N-body simulations covering a large cosmological volume at high resolution. I will examine the HI mass function and the HI density, characterizing both their redshift evolution and their dependence on hosting halo mass. I will discuss the HI content of dark matter haloes in the local Universe and up to redshift z=5, analyzing the contribution of different galaxy properties. I will present results on HI clustering relevant for future 21cm Intensity Mapping (IM) experiments, including the HI bias and the shot noise level. I will detail the contribution from various galaxy properties on the HI power spectrum and their relation to the halo bias. Finally, I will present the 21cm signal in redshift space, a fundamental prediction to be tested against data from future radio telescopes such as SKA.
title: Rewriting the Balkans: Memory, Historiography, and the Making of a European Citizenry
Creators: name: Johnson, Dana N
Publisher: name: University of Massachusetts Amherst
Year: 2012
Subjects: subject: Anthropology
subject: FOS: Sociology

description: This report was published as a scholar research brief for IREX, funder of the Serbian portion of this multi-sited project. A fuller analysis of the research I conducted as part of the CHESS program can be found in my MA thesis, also published as Rewriting the Balkans: Memory, Historiography, and the Making of a European Citizenry (see Dissertations and Theses based on CHESS-Sponsored Research).
description: This research explored the work of historians, history teachers, and NGO employees engaged in regional initiatives to mitigate the influence of enduring ethnocentric national histories in the Balkans. In conducting an ethnography of the development and dissemination of such initiatives in Serbia, I queried how “multiperspectivity” is understood as a pedagogical approach and a tool of reconciliation, how conflict and controversy are negotiated in developing alternative educational materials, and how the interests of civil society intersect with those of the state and supranational actors. My research sought to interrogate the field of power in which such attempts to innovate history education occur, and the values by which these efforts seek and gain acceptance or are marginalized.
The Taipan Galaxy Survey and prospects for a 4MOST Hemispheric Survey
Creators: name: Taylor, Edward
Publisher: name: Zenodo
Year: 2020

description: Taipan is many things: the Taipan project is a complete refurbishment of the 1.2m UK Schmidt Telescope; the Taipan topend is a new multifibre positioning system comprising up to 300 autonomous 'starbug' robots; the Taipan spectrograph is a new dual arm spectrograph covering 370-870 um at R~2000; in short, Taipan is a fully automated spectroscopic observing˜ facility. In the week that I write this abstract, we have hit a major technical milestone: the Taipan positioner is finally operational, commissioning has begun, and we expect to start early science in January. The Taipan galaxy survey is a 5 year observing campaign to obtain redshifts and optical spectra with near total completeness for an optically-limited sample of 1.6--2.5 million galaxies at z<~0.3, spanning 2pi steradians: fully half the sky. The Taipan galaxy survey has three main science goals: 1.) an all-in-one measurement of the Hubble parameter to ~1% precision; 2.) the ultimate peculiar velocity and bulk flow experiment, with an homogenous set of Fundamental Plane distance measurements for all ~80000 z<0.1 early type galaxies in the Taipan area; 3.) a unique laboratory to study the baryon lifecycle in and around galaxies, as a function of galaxy mass and environment. I will provide an update on Taipan commissioning and early science operations, and priority science plans for 2020. I will stress the complementarities between Taipan and other large Australian-led survey projects including FunnelWeb, SkyMapper, Devils, Wallaby, Emu, Hector, and WAVES. I will also describe a proposed 4MOST redshift survey of up to 5 million galaxies, specifically targeting z < ~0.1, to begin in 2023. In concert with LSST, VHS, WISE, and SKA, the 4MOST hemispheric survey (4HS) will establish a unique laboratory for **resolved** studies of the baryonic lifecycle in and around galaxies, as a function of mass and environment.
Measuring the stellar initial mass function
Creators: name: Hopkins, Andrew
Publisher: name: Zenodo
Year: 2020

description: The birth of stars and the formation of galaxies are cornerstones of modern astrophysics. While much is known about how galaxies globally and their stars individually form and evolve, one fundamental property that affects both remains elusive. This is problematic because this key property, the stellar initial mass function (IMF), is a key tracer of the physics of star formation that underpins almost all of the unknowns in galaxy and stellar evolution. It is perhaps the greatest source of systematic uncertainty in star and galaxy evolution. The past decade has seen a growing number and variety of methods for measuring or inferring the shape of the IMF, along with progressively more detailed simulations, paralleled by refinements in the way the concept of the IMF is applied or conceptualised on different physical scales. This range of approaches and evolving definitions of the quantity being measured has in turn led to conflicting conclusions regarding whether or not the IMF is universal. Here I summarise the growing wealth of approaches to our understanding of this fundamental property that defines so much of astrophysics, and highlight the importance of considering potential IMF variations, reinforcing the need for measurements to quantify their scope and uncertainties carefully. I present a new framework to aid the discussion of the IMF and promote clarity in the further development of this fundamental field.
A biased rapporteur or politics as usual? Reassessing the balance of interests in the EU food information labelling case
Creators: name: Hoff, Anneloes
name: Lelieveldt, Herman
name: Does, Ramon Van Der
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Science Policy
subject: Biological Sciences
subject: Sociology
subject: FOS: Sociology
subject: Ecology
subject: FOS: Biological sciences
subject: Earth and Environmental Sciences

description: ABSTRACTIn this article we challenge Kurzer and Cooper's claim that the industry was able to get its way in the Food Information to Consumers Regulation by successfully lobbying the European Parliament and benefiting from an industry-friendly rapporteur. We scrutinize their findings through a comprehensive analysis of all amendments tabled in the environmental committee at first reading and a process tracing of the 12 most salient issues. Our results indicate a rather balanced rapporteur and show that both the ENVI committee and the plenary EP changed the regulation in favour of consumer interests on a significant number of points, with key victories for the industry being the result of pressure from the Council, not from the European Parliament. We explain these results on the basis of earlier work examining the role-behaviour of rapporteurs and the functioning of Parliament committees.
MYBL2 guides autophagy suppressor VDAC2 in the developing ovary to inhibit autophagy through a complex of VDAC2-BECN1-BCL2L1 in mammals
Creators: name: Yuan, Jia
name: Zhang, Ying
name: Sheng, Yue
name: Xiazhou Fu
name: Hanhua Cheng
name: Rongjia Zhou
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Pharmacology
subject: 20199 Astronomical and Space Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Oogenesis is essential for female gamete production in mammals. The total number of ovarian follicles is determined early in life and production of ovarian oocytes is thought to stop during the lifetime. However, the molecular mechanisms underling oogenesis, particularly autophagy regulation in the ovary, remain largely unknown. Here, we reveal an important MYBL2-VDAC2-BECN1-BCL2L1 pathway linking autophagy suppression in the developing ovary. The transcription factors GATA1 and MYBL2 can bind to and activate the Vdac2 promoter. MYBL2 regulates the spatiotemporal expression of VDAC2 in the developing ovary. Strikingly, in the VDAC2 transgenic pigs (Sus scrofa/Ss), VDAC2 exerts its function by inhibiting autophagy in the ovary. In contrast, Vdac2 knockout promotes autophagy. Moreover, VDAC2-mediated autophagy suppression is dependent on its interactions with both BECN1 and BCL2L1 to stabilize the BECN1 and BCL2L1 complex, suggesting VDAC2 as an autophagy suppressor in the pathway. Our findings provide a functional connection among the VDAC2, MYBL2, the BECN1-BCL2L1 pathway and autophagy suppression in the developing ovary, which is implicated in improving female fecundity.
MYBL2 guides autophagy suppressor VDAC2 in the developing ovary to inhibit autophagy through a complex of VDAC2-BECN1-BCL2L1 in mammals
Creators: name: Yuan, Jia
name: Zhang, Ying
name: Sheng, Yue
name: Xiazhou Fu
name: Hanhua Cheng
name: Rongjia Zhou
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Cancer
subject: Developmental Biology
subject: Mathematics
subject: FOS: Mathematics
subject: Biological Sciences
subject: Astronomy, Astrophysics, Space Science
subject: Chemistry
subject: Pharmacology
subject: Physiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Genetics
subject: Cell Biology

description: Oogenesis is essential for female gamete production in mammals. The total number of ovarian follicles is determined early in life and production of ovarian oocytes is thought to stop in the following lifetime. However, the molecular mechanisms underling oogenesis, particularly autophagy regulation in the ovary, remain largely unknown. Here, we reveal an important MYBL2-VDAC2-BECN1-BCL2L1 pathway linking autophagy suppression in the developing ovary. The transcription factors GATA1 and MYBL2 can bind to and activate the Vdac2 promoter. MYBL2 regulates the spatiotemporal expression of VDAC2 in the developing ovary. Strikingly, in the VDAC2 transgenic pigs (Sus scrofa/Ss), VDAC2 exerts its function by inhibiting autophagy in the ovary. In contrast, Vdac2 knockout promotes autophagy. Moreover, VDAC2-mediated autophagy suppression is dependent on its interactions with both BECN1 and BCL2L1 to stabilize the BECN1 and BCL2L1 complex, suggesting VDAC2 as an autophagy suppressor in the pathway. Our findings provide a functional connection among the VDAC2, MYBL2, the BECN1-BCL2L1 pathway and autophagy suppression in the developing ovary, which is implicated in improving female fecundity.
title: Informationsmaterial E-Publikationsdienste UB Duisburg-Essen
Creators: name: Universität  / Universitätsbibliothek
Publisher: name: DuEPublico: Duisburg-Essen Publications Online, University of Duisburg-Essen, Germany
Year: 2019
Subjects: E-Publikationen
Open Access
Universitätsbibliographie
Persistent Identifier
ORCID iD

description: Hier finden Sie Poster und Postkarten der UB Duisburg-Essen aus dem Bereich E-Publikationen.
A Low-Cost Audio Prescription Labeling System Using RFID for Thai Visually-Impaired People
Creators: name: Titipong Lertwiriyaprapa
name: Pirapong Fakkheow
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Hematology
subject: Science Policy
subject: Developmental Biology
subject: Information and Computing Sciences
subject: Biological Sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Chemistry
subject: Biotechnology
subject: Microbiology
subject: FOS: Biological sciences
subject: Medicine
subject: Engineering

description: This research aims to develop a low-cost audio prescription labeling (APL) system for visually-impaired people by using the RFID system. The developed APL system includes the APL machine and APL software. The APL machine is for visually-impaired people while APL software allows caregivers to record all important information into the APL machine. The main objective of the development of the APL machine is to reduce costs and size by designing all of the electronic devices to fit into one print circuit board. Also, it is designed so that it is easy to use and can become an electronic aid for daily living. The developed APL software is based on Java and MySQL, both of which can operate on various operating platforms and are easy to develop as commercial software. The developed APL system was first evaluated by 5 experts. The APL system was also evaluated by 50 actual visually-impaired people (30 elders and 20 blind individuals) and 20 caregivers, pharmacists and nurses. After using the APL system, evaluations were carried out, and it can be concluded from the evaluation results that this proposed APL system can be effectively used for helping visually-impaired people in terms of self-medication.
IL13 activates autophagy to regulate secretion in airway epithelial cells
Creators: name: Dickinson, John D
name: Alevy, Yael
name: Malvin, Nicole P
name: Khushbu K Patel
name: Gunsten, Sean P
name: Holtzman, Michael J
name: Stappenbeck, Thaddeus S
name: Brody, Steven L
Publisher: name: Taylor & Francis
Year: 2016
Subjects: subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Physiology
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Marine Biology
subject: Cancer

description: Cytokine modulation of autophagy is increasingly recognized in disease pathogenesis, and current concepts suggest that type 1 cytokines activate autophagy, whereas type 2 cytokines are inhibitory. However, this paradigm derives primarily from studies of immune cells and is poorly characterized in tissue cells, including sentinel epithelial cells that regulate the immune response. In particular, the type 2 cytokine IL13 (interleukin 13) drives the formation of airway goblet cells that secrete excess mucus as a characteristic feature of airway disease, but whether this process is influenced by autophagy was undefined. Here we use a mouse model of airway disease in which IL33 (interleukin 33) stimulation leads to IL13-dependent formation of airway goblet cells as tracked by levels of mucin MUC5AC (mucin 5AC, oligomeric mucus/gel forming), and we show that these cells manifest a block in mucus secretion in autophagy gene Atg16l1-deficient mice compared to wild-type control mice. Similarly, primary-culture human tracheal epithelial cells treated with IL13 to stimulate mucus formation also exhibit a block in MUC5AC secretion in cells depleted of autophagy gene ATG5 (autophagy-related 5) or ATG14 (autophagy-related 14) compared to nondepleted control cells. Our findings indicate that autophagy is essential for airway mucus secretion in a type 2, IL13-dependent immune disease process and thereby provide a novel therapeutic strategy for attenuating airway obstruction in hypersecretory inflammatory diseases such as asthma, chronic obstructive pulmonary disease, and cystic fibrosis lung disease. Taken together, these observations suggest that the regulation of autophagy by Th2 cytokines is cell-context dependent.
Cosmic Evolution of Baryons and Metals
Creators: name: Celine Peroux
Publisher: name: Zenodo
Year: 2020

description: Characterizing the relationship between stars, gas, and metals in galaxies is a critical component of understanding the cosmic baryon cycle. We compile contemporary censuses of the baryons in collapsed structures, their chemical make-up and dust content. We review the HI mass density of the Universe as well as new observations of molecular hydrogen which together provide new insights on the cosmic molecular gas depletion timescale. We present a census of the metals in various phase from z=0 to z~5, thus revisiting the "missing metals problem". We characterize the dust content of neutral gas over cosmic time, as well as dust-to-gas and dust-to-metals ratios. Finally, we calculate the cosmological dust mass density in the neutral gas up to z~5. Together, this review talk sought to relate the changes in baryons, metals, and dust, as material cycled through the various phases with cosmic time.
IL13 activates autophagy to regulate secretion in airway epithelial cells
Creators: name: Dickinson, John D
name: Alevy, Yael
name: Malvin, Nicole P
name: Khushbu K Patel
name: Gunsten, Sean P
name: Holtzman, Michael J
name: Stappenbeck, Thaddeus S
name: Brody, Steven L
Publisher: name: Taylor & Francis
Year: 2015
Subjects: subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Physiology
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Marine Biology
subject: Cancer

description: Cytokine modulation of autophagy is increasingly recognized in disease pathogenesis, and current concepts suggest that type 1 cytokines activate autophagy, whereas type 2 cytokines are inhibitory. However, this paradigm derives primarily from studies of immune cells and is poorly characterized in tissue cells, including sentinel epithelial cells that regulate the immune response. In particular, the type 2 cytokine IL13 (interleukin 13) drives the formation of airway goblet cells that secrete excess mucus as a characteristic feature of airway disease, but whether this process is influenced by autophagy was undefined. Here we use a mouse model of airway disease in which IL33 (interleukin 33) stimulation leads to IL13-dependent formation of airway goblet cells as tracked by levels of mucin MUC5AC (mucin 5AC, oligomeric mucus/gel forming), and we show that these cells manifest a block in mucus secretion in autophagy gene Atg16l1-deficient mice compared to wild-type control mice. Similarly, primary-culture human tracheal epithelial cells treated with IL13 to stimulate mucus formation also exhibit a block in MUC5AC secretion in cells depleted of autophagy gene ATG5 (autophagy-related 5) or ATG14 (autophagy-related 14) compared to nondepleted control cells. Our findings indicate that autophagy is essential for airway mucus secretion in a type 2, IL13-dependent immune disease process and thereby provide a novel therapeutic strategy for attenuating airway obstruction in hypersecretory inflammatory diseases such as asthma, chronic obstructive pulmonary disease, and cystic fibrosis lung disease. Taken together, these observations suggest that the regulation of autophagy by Th2 cytokines is cell-context dependent.