cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Endoplasmic reticulum stress‑regulated chaperones as a serum biomarker panel for Parkinson’s disease
Creators: name: Mnich, Katarzyna
name: Moghaddam, Shirin
name: Browne, Patrick
name: Counihan, Timothy
name: Fitzgerald, Stephen P.
name: Martin, Kenneth
name: Richardson, Ciaran
name: Samali, Afshin
name: Gorman, Adrienne M.
Publisher: name: University of Limerick
Year: 2023
Subjects: Mathematical sciences

description: Examination of post-mortem brain tissues has previously revealed a strong association between Parkinson’s disease (PD) pathophysiology and endoplasmic reticulum (ER) stress. Evidence in the literature regarding the circulation of ER stress-regulated factors released from neurons provides a rationale for investigating ER stress biomarkers in the blood to aid diagnosis of PD. The levels of ER stress-regulated proteins in serum collected from 29 PD patients and 24 non-PD controls were measured using enzyme-linked immunosorbent assays. A panel of four biomarkers, protein disulfde-isomerase A1, protein disulfde-isomerase A3, mesencephalic astrocyte-derived neurotrophic factor, and clusterin, together with age and gender had higher ability (area under the curve 0.64, sensitivity 66%, specifcity 57%) and net beneft to discriminate PD patients from the non-PD group compared with other analyzed models. Addition of oligomeric and total α-synuclein to the model did not improve the diagnostic power of the biomarker panel. We provide evidence that ER stress-regulated proteins merit further investigation for their potential as diagnostic biomarkers of PD.
title: Asynchronous video interviewing as a new technology in personnel selection
title: the applicant’s point of view
titleType: Subtitle
Creators: name: Brenner, Falko S.
name: Ortner, Tuulia M.
name: Fay, Doris
Publisher: name: Universität Potsdam
Year: 2019

description: The present study aimed to integrate findings from technology acceptance research with research on applicant reactions to new technology for the emerging selection procedure of asynchronous video interviewing. One hundred six volunteers experienced asynchronous video interviewing and filled out several questionnaires including one on the applicants' personalities. In line with previous technology acceptance research, the data revealed that perceived usefulness and perceived ease of use predicted attitudes toward asynchronous video interviewing. Furthermore, openness revealed to moderate the relation between perceived usefulness and attitudes toward this particular selection technology. No significant effects emerged for computer self-efficacy, job interview self efficacy, extraversion, neuroticism, and conscientiousness. Theoretical and practical implications are discussed.
description: Postprints der Universität Potsdam : Humanwissenschaftliche Reihe, 500
Rieffel deformation of tensor functor and braided quantum groups
Creators: name: Kasprzak, Pawel
Publisher: name: arXiv
Year: 2014
Subjects: subject: Operator Algebras (math.OA)
subject: Mathematical Physics (math-ph)
subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: In this paper we apply Rieffel deformation to C*- tensor product viewed as a functor on the category of C*-algebras with an abelian group action. In the case of the Rieffel deformation of a quantum group with the action by automorphisms the deformed tensor product enables us to view the deformed object as a braided quantum group. We construct a bicharacter for a braided quantum group and the dual braided quantum group. We employ our method to get a braided quantum Minkowski space. Its description in terms of the deformed space-time coordinates is provided.
description: Typos corrected, the citations added; accepted for a publication in Communications in Mathematical Physics
Additional file 2 of Analysis of body mass index, weight loss and progression of idiopathic pulmonary fibrosis
Creators: name: Jouneau, Stéphane
name: Crestani, Bruno
name: Thibault, Ronan
name: Lederlin, Mathieu
name: Vernhet, Laurent
name: Valenzuela, Claudia
name: Wijsenbeek, Marlies
name: Kreuter, Michael
name: Stansen, Wibke
name: Quaresma, Manuel
name: Cottin, Vincent
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 2: Supplemental Appendix 2. List of investigators [1].
Additional file 1 of Analysis of body mass index, weight loss and progression of idiopathic pulmonary fibrosis
Creators: name: Jouneau, Stéphane
name: Crestani, Bruno
name: Thibault, Ronan
name: Lederlin, Mathieu
name: Vernhet, Laurent
name: Valenzuela, Claudia
name: Wijsenbeek, Marlies
name: Kreuter, Michael
name: Stansen, Wibke
name: Quaresma, Manuel
name: Cottin, Vincent
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 1: Supplemental Appendix 1. Statistical analyses.
Alternative ontogenies and developmental plasticity: implications for ecological and evolutionary studies on species complexes
Creators: name: Vilizzi, Lorenzo
name: Kovac, Vladimir
Publisher: name: La Trobe
Year: 2023

description:

MDFRC item.

According to modern evolutionary biology, for understanding ontogenetic (i.e. early development) processes, it is necessary to focus on the interactions between genotype and developing phenotype, that is on both genetic and developmental epigenetic sources of information and variation. However, despite the large number of available comparative ontogenetic and eco-morphological studies on fish, there are still several studies that have so far focussed on the genotype only, in spite of advice for alternative/complementary investigations. This study bridges the knowledge gap resulting from an imbalance between studies rooted on gradual development and genetics and those based on comparative ontogeny and focussed on eco-morphology and developmental plasticity. As a case study using literature data, a new perspective is proposed on the early ontogeny of some species in the genus Hypseleotris in the light of the concept of alternative ontogenies and developmental plasticity. Based on this framework, an alternative explanation is proposed for the co-occurrence of empire gudgeon (H. compressa) and firetailed gudgeon (H. galii) in similar habitats, and for the possible existence of intraspecific twin forms within western carp gudgeon (H. klunzingeri) and of interspecific species pairs in the ‘problematic’ carp gudgeon complex (Hypseleotris spp.). Central to this paper is the model of alternative ontogenies (as opposed to the historical, descriptive approach based on ‘normal stages’ of development) and its scientific potential to provide a new reference framework for existing genetic and phylogenetic studies on problematic fish species complexes, for which only genetic studies are currently available.
Additional file 1 of Utilization of anonymization techniques to create an external control arm for clinical trial data
Creators: name: Mehtälä, Juha
name: Ali, Mehreen
name: Miettinen, Timo
name: Partanen, Liisa
name: Laapas, Kaisa
name: Niemelä, Petri T.
name: Khorlo, Igor
name: Ström, Sanna
name: Kurki, Samu
name: Vapalahti, Jarno
name: Abdelgawwad, Khaled
name: Leinonen, Jussi V.
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Neuroscience
subject: Biotechnology
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Science Policy
subject: Plant Biology

description: Additional file 1: Table 1. Definitions of potential confounders. Table 2. Baseline summaries for the pseudonymized and anonymized real-world data sets and randomized controlled trial data set after propensity score matching, after PS-matching weighting, and after PS-overlap weighting. Figure 1. Logistic regression model results (propensity-score model effects) for the confounders in anonymized and pseudonymized real-world data sets.
title: High-resolution leaf wax carbon and hydrogen isotopic record of the late Holocene paleoclimate in arid Central Asia
Creators: name: Aichner, Bernhard
name: Feakins, Sarah  J.
name: Lee, J. E.
name: Herzschuh, Ulrike
name: Liu, X.
Publisher: name: Universität Potsdam
Year: 2019

description: Central Asia is located at the confluence of large-scale atmospheric circulation systems. It is thus likely to be highly susceptible to changes in the dynamics of those systems; however, little is still known about the regional paleoclimate history. Here we present carbon and hydrogen isotopic compositions of n-alkanoic acids from a late Holocene sediment core from Lake Karakuli (eastern Pamir, Xinjiang Province, China). Instrumental evidence and isotopeenabled climate model experiments with the Laboratoire de Meteorologie Dynamique Zoom model version 4 (LMDZ4) demonstrate that delta D values of precipitation in the region are influenced by both temperature and precipitation amount. We find that these parameters are inversely correlated on an annual scale, i.e., the climate has varied between relatively cool and wet and more warm and dry over the last 50 years. Since the isotopic signals of these changes are in the same direction and therefore additive, isotopes in precipitation are sensitive recorders of climatic changes in the region. Additionally, we infer that plants use year-round precipitation (including snowmelt), and thus leaf wax delta D values must also respond to shifts in the proportion of moisture derived from westerly storms during late winter and early spring. Downcore results give evidence for a gradual shift to cooler and wetter climates between 3.5 and 2.5 cal kyr BP, interrupted by a warm and dry episode between 3.0 and 2.7 kyr BP. Further cool and wet episodes occur between 1.9 and 1.5 and between 0.6 and 0.1 kyr BP, the latter coeval with the Little Ice Age. Warm and dry episodes from 2.5 to 1.9 and 1.5 to 0.6 kyr BP coincide with the Roman Warm Period and Medieval Climate Anomaly, respectively. Finally, we find a drying tend in recent decades. Regional comparisons lead us to infer that the strength and position of the westerlies, and wider northern hemispheric climate dynamics, control climatic shifts in arid Central Asia, leading to complex local responses. Our new archive from Lake Karakuli provides a detailed record of the local signatures of these climate transitions in the eastern Pamir.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 506
Additional file 3 of Analysis of body mass index, weight loss and progression of idiopathic pulmonary fibrosis
Creators: name: Jouneau, Stéphane
name: Crestani, Bruno
name: Thibault, Ronan
name: Lederlin, Mathieu
name: Vernhet, Laurent
name: Valenzuela, Claudia
name: Wijsenbeek, Marlies
name: Kreuter, Michael
name: Stansen, Wibke
name: Quaresma, Manuel
name: Cottin, Vincent
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 3: Supplemental Table 1. Baseline characteristics in subgroups of patients by BMI (
Triangle-free geometric intersection graphs with no large independent sets
Creators: name: Walczak, Bartosz
Publisher: name: arXiv
Year: 2014
Subjects: subject: Combinatorics (math.CO)
subject: Computational Geometry (cs.CG)
subject: Discrete Mathematics (cs.DM)
subject: Metric Geometry (math.MG)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: 05C62, 05C15

description: It is proved that there are triangle-free intersection graphs of line segments in the plane with arbitrarily small ratio between the maximum size of an independent set and the total number of vertices.
description: Change of the title, minor revision
title: Living in heterogeneous woodlands
title: are habitat continuity or quality drivers of genetic variability in a flightless ground beetle?
titleType: Subtitle
Creators: name: Marcus, Tamar
name: Boch, Steffen
name: Durka, Walter
name: Gossner, Martin M.
name: Müller, Jörg
name: Schöning, Ingo
name: Weisser, Wolfgang W.
name: Drees, Claudia
name: Assmann, Thorsten
Publisher: name: Universität Potsdam
Year: 2019

description: Abstract

Although genetic diversity is one of the key components of biodiversity, its drivers are still not fully understood. While it is known that genetic diversity is affected both by environmental parameters as well as habitat history, these factors are not often tested together. Therefore, we analyzed 14 microsatellite loci in Abax parallelepipedus, a flightless, forest dwelling ground beetle, from 88 plots in two study regions in Germany. We modeled the effects of historical and environmental variables on allelic richness, and found for one of the regions, the Schorfheide-Chorin, a significant effect of the depth of the litter layer, which is a main component of habitat quality, and of the sampling effort, which serves as an inverse proxy for local population size. For the other region, the Schwabische Alb, none of the potential drivers showed a significant effect on allelic richness. We conclude that the genetic diversity in our study species is being driven by current local population sizes via environmental variables and not by historical processes in the studied regions. This is also supported by lack of genetic differentiation between local populations sampled from ancient and from recent woodlands. We suggest that the potential effects of former fragmentation and recolonization processes have been mitigated by the large and stable local populations of Abax parallelepipedus in combination with the proximity of the ancient and recent woodlands in the studied landscapes.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 508
Falsifying High-Scale Leptogenesis at the LHC
Creators: name: Deppisch, Frank F.
name: Harz, Julia
name: Hirsch, Martin
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Measuring a non-zero value for the cross section of any lepton number violating (LNV) process would put a strong lower limit on the washout factor for the effective lepton number density in the early universe at times close to the electroweak phase transition and thus would lead to important constraints on any high-scale model for the generation of the observed baryon asymmetry based on LNV. In particular, for leptogenesis models with masses of the right-handed neutrinos heavier than the mass scale observed at the LHC, the implied large washout factors would lead to a violation of the out-of-equilibrium condition and exponentially suppress the net lepton number produced in such leptogenesis models. We thus demonstrate that the observation of LNV processes at the LHC results in the falsification of high-scale leptogenesis models. However, no conclusions about the viability of leptogenesis models can be drawn from the non-observation of LNV processes.
description: 5 pages, 5 figures, matches published version
Additional file 5 of Analysis of body mass index, weight loss and progression of idiopathic pulmonary fibrosis
Creators: name: Jouneau, Stéphane
name: Crestani, Bruno
name: Thibault, Ronan
name: Lederlin, Mathieu
name: Vernhet, Laurent
name: Valenzuela, Claudia
name: Wijsenbeek, Marlies
name: Kreuter, Michael
name: Stansen, Wibke
name: Quaresma, Manuel
name: Cottin, Vincent
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 5: Supplemental Table 3. Annual rate of decline in FVC (mL/year) over 52 weeks in the overall trial population.
title: Microbial response to experimentally controlled redox transitions at the sediment water interface
Creators: name: Frindte, Katharina
name: Allgaier, Martin
name: Grossart, Hans-Peter
name: Eckert, Werner
Publisher: name: Universität Potsdam
Year: 2019

description: The sediment-water interface of freshwater lakes is characterized by sharp chemical gradients, shaped by the interplay between physical, chemical and microbial processes. As dissolved oxygen is depleted in the uppermost sediment, the availability of alternative electron acceptors, e.g. nitrate and sulfate, becomes the limiting factor. We performed a time series experiment in a mesocosm to simulate the transition from aerobic to anaerobic conditions at the sediment-water interface. Our goal was to identify changes in the microbial activity due to redox transitions induced by successive depletion of available electron acceptors. Monitoring critical hydrochemical parameters in the overlying water in conjunction with a new sampling strategy for sediment bacteria enabled us to correlate redox changes in the water to shifts in the active microbial community and the expression of functional genes representing specific redox-dependent microbial processes. Our results show that during several transitions from oxic-heterotrophic condition to sulfate-reducing condition, nitrate-availability and the on-set of sulfate reduction strongly affected the corresponding functional gene expression. There was evidence of anaerobic methane oxidation with NOx. DGGE analysis revealed redox-related changes in microbial activity and expression of functional genes involved in sulfate and nitrite reduction, whereas methanogenesis and methanotrophy showed only minor changes during redox transitions. The combination of high-frequency chemical measurements and molecular methods provide new insights into the temporal dynamics of the interplay between microbial activity and specific redox transitions at the sediment-water interface.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 509
Distributed Timed Elastic Band (DTEB) Planner: Trajectory Sharing and Collision Prediction for Multi-Robot Systems
Creators: name: Chung, Yiu Ming
name: Youssef, Hazem
name: Roidl, Moritz
Publisher: name: arXiv
Year: 2023
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Autonomous navigation of mobile robots is a well studied problem in robotics. However, the navigation task becomes challenging when multi-robot systems have to cooperatively navigate dynamic environments with deadlock-prone layouts. We present a Distributed Timed Elastic Band (DTEB) Planner that combines Prioritized Planning with the online TEB trajectory Planner, in order to extend the capabilities of the latter to multi-robot systems. The proposed planner is able to reactively avoid imminent collisions as well as predictively resolve potential deadlocks among a team of robots, while navigating in a complex environment. The results of our simulation demonstrate the reliable performance and the versatility of the planner in different environment settings. The code and tests for our approach are available online.
description: Published in the International Conference on Robotics and Automation (ICRA) - 2022 https://ieeexplore.ieee.org/document/9811762
title: Improving semi-automated glacier mapping with a multi-method approach
title: applications in central Asia
titleType: Subtitle
Creators: name: Smith, Taylor
name: Bookhagen, Bodo
name: Cannon, F.
Publisher: name: Universität Potsdam
Year: 2019

description: Studies of glaciers generally require precise glacier outlines. Where these are not available, extensive manual digitization in a geographic information system (GIS) must be performed, as current algorithms struggle to delineate glacier areas with debris cover or other irregular spectral profiles. Although several approaches have improved upon spectral band ratio delineation of glacier areas, none have entered wide use due to complexity or computational intensity.

In this study, we present and apply a glacier mapping algorithm in Central Asia which delineates both clean glacier ice and debris-covered glacier tongues. The algorithm is built around the unique velocity and topographic characteristics of glaciers and further leverages spectral and spatial relationship data. We found that the algorithm misclassifies between 2 and 10% of glacier areas, as compared to a similar to 750 glacier control data set, and can reliably classify a given Landsat scene in 3-5 min.

The algorithm does not completely solve the difficulties inherent in classifying glacier areas from remotely sensed imagery but does represent a significant improvement over purely spectral-based classification schemes, such as the band ratio of Landsat 7 bands three and five or the normalized difference snow index. The main caveats of the algorithm are (1) classification errors at an individual glacier level, (2) reliance on manual intervention to separate connected glacier areas, and (3) dependence on fidelity of the input Landsat data.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 510
Additional file 7 of Analysis of body mass index, weight loss and progression of idiopathic pulmonary fibrosis
Creators: name: Jouneau, Stéphane
name: Crestani, Bruno
name: Thibault, Ronan
name: Lederlin, Mathieu
name: Vernhet, Laurent
name: Valenzuela, Claudia
name: Wijsenbeek, Marlies
name: Kreuter, Michael
name: Stansen, Wibke
name: Quaresma, Manuel
name: Cottin, Vincent
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 7: Supplemental Figure 1. Scatter plots showing the correlation between BMI at baseline and FVC (mL) at baseline (A) and between BMI at baseline and the rate of decline in FVC (mL/year) assessed over 52 weeks (B).
Additional file 1 of Identification of transcriptionally active transposons in Barley
Creators: name: Gao, Dongying
name: Fox-Fogle, Emma
Publisher: name: figshare
Year: 2023
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Supplementary Information: Table S1. The list of FLcDNAs related to transposons. Table S2. Seven intact barley transposons identified in this study. Table S3. Summary of primers used for RT-PCR analysis. Table S4. Genome-wide transposon comparisons between the ‘Morex’ genome and other three barley genomes. Table S5. The list of annotated barley genes which transcripts showed significant sequence identity to the six identified transposons. Figure S1. Full-length gel for RT-PCR analysis of barley transposons. Figure S2. Full-length gel for RT-PCR analysis of barley actin gene.
title: Interaction of marine ice-sheet instabilities in two drainage basins
title: simple scaling of geometry and transition time
titleType: Subtitle
Creators: name: Feldmann, Johannes
name: Levermann, Anders
Publisher: name: Universität Potsdam
Year: 2019

description: The initiation of a marine ice-sheet instability (MISI) is generally discussed from the ocean side of the ice sheet. It has been shown that the reduction in ice-shelf buttressing and softening of the coastal ice can destabilize a marine ice sheet if the bedrock is sloping upward towards the ocean. Using a conceptional flow-line geometry, we investigate the possibility of whether a MISI can be triggered from the direction of the ice divide as opposed to coastal forcing and explore the interaction between connected basins. We find that the initiation of a MISI in one basin can induce a destabilization in the other. The underlying mechanism of basin interaction is based on dynamic thinning and a consecutive motion of the ice divide which induces a thinning in the adjacent basin and a successive initiation of the instability. Our simplified and symmetric topographic setup allows scaling both the geometry and the transition time between both instabilities. We find that the ice profile follows a universal shape that is scaled with the horizontal extent of the ice sheet and that the same exponent of 1/2 applies for the scaling relation between central surface elevation and horizontal extent as in the pure shallow ice approximation (Vialov profile). Altering the central bed elevation, we find that the extent of grounding-line retreat in one basin determines the degree of interaction with the other. Different scenarios of basin interaction are discussed based on our modeling results as well as on a conceptual flux-balance analysis. We conclude that for the three-dimensional case, the possibility of drainage basin interaction on timescales on the order of 1 kyr or larger cannot be excluded and hence needs further investigation.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 511
title: Inter-comparison of statistical downscaling methods for projection of extreme precipitation in Europe
Creators: name: Sunyer, M. A.
name: Hundecha, Y.
name: Lawrence, D.
name: Madsen, H.
name: Willems, Patrick
name: Martinkova, M.
name: Vormoor, Klaus
name: Bürger, Gerd
name: Hanel, Martin
name: Kriaučiūnienė, J.
name: Loukas, A.
name: Osuch, M.
name: Yücel, I.
Publisher: name: Universität Potsdam
Year: 2019

description: Information on extreme precipitation for future climate is needed to assess the changes in the frequency and intensity of flooding. The primary source of information in climate change impact studies is climate model projections. However, due to the coarse resolution and biases of these models, they cannot be directly used in hydrological models. Hence, statistical downscaling is necessary to address climate change impacts at the catchment scale.

This study compares eight statistical downscaling methods (SDMs) often used in climate change impact studies. Four methods are based on change factors (CFs), three are bias correction (BC) methods, and one is a perfect prognosis method. The eight methods are used to downscale precipitation output from 15 regional climate models (RCMs) from the ENSEMBLES project for 11 catchments in Europe. The overall results point to an increase in extreme precipitation in most catchments in both winter and summer. For individual catchments, the downscaled time series tend to agree on the direction of the change but differ in the magnitude. Differences between the SDMs vary between the catchments and depend on the season analysed. Similarly, general conclusions cannot be drawn regarding the differences between CFs and BC methods. The performance of the BC methods during the control period also depends on the catchment, but in most cases they represent an improvement compared to RCM outputs. Analysis of the variance in the ensemble of RCMs and SDMs indicates that at least 30% and up to approximately half of the total variance is derived from the SDMs. This study illustrates the large variability in the expected changes in extreme precipitation and highlights the need for considering an ensemble of both SDMs and climate models. Recommendations are provided for the selection of the most suitable SDMs to include in the analysis.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 512
title: Modelling the transfer of supraglacial meltwater to the bed of Leverett Glacier, Southwest Greenland
Creators: name: Clason, Caroline C.
name: Mair, D. W. F.
name: Nienow, P. W.
name: Bartholomew, I. D.
name: Sole, Andrew
name: Palmer, Steven
name: Schwanghart, Wolfgang
Publisher: name: Universität Potsdam
Year: 2019

description: Meltwater delivered to the bed of the Greenland Ice Sheet is a driver of variable ice-motion through changes in effective pressure and enhanced basal lubrication. Ice surface velocities have been shown to respond rapidly both to meltwater production at the surface and to drainage of supraglacial lakes, suggesting efficient transfer of meltwater from the supraglacial to subglacial hydrological systems. Although considerable effort is currently being directed towards improved modelling of the controlling surface and basal processes, modelling the temporal and spatial evolution of the transfer of melt to the bed has received less attention. Here we present the results of spatially distributed modelling for prediction of moulins and lake drainages on the Leverett Glacier in Southwest Greenland. The model is run for the 2009 and 2010 ablation seasons, and for future increased melt scenarios. The temporal pattern of modelled lake drainages are qualitatively comparable with those documented from analyses of repeat satellite imagery. The modelled timings and locations of delivery of meltwater to the bed also match well with observed temporal and spatial patterns of ice surface speed-ups. This is particularly true for the lower catchment (< 1000 m a.s.l.) where both the model and observations indicate that the development of moulins is the main mechanism for the transfer of surface meltwater to the bed. At higher elevations (e.g. 1250-1500 m a.s.l.) the development and drainage of supraglacial lakes becomes increasingly important. At these higher elevations, the delay between modelled melt generation and subsequent delivery of melt to the bed matches the observed delay between the peak air temperatures and subsequent velocity speed-ups, while the instantaneous transfer of melt to the bed in a control simulation does not. Although both moulins and lake drainages are predicted to increase in number for future warmer climate scenarios, the lake drainages play an increasingly important role in both expanding the area over which melt accesses the bed and in enabling a greater proportion of surface melt to reach the bed.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 513
Additional file 8 of Analysis of body mass index, weight loss and progression of idiopathic pulmonary fibrosis
Creators: name: Jouneau, Stéphane
name: Crestani, Bruno
name: Thibault, Ronan
name: Lederlin, Mathieu
name: Vernhet, Laurent
name: Valenzuela, Claudia
name: Wijsenbeek, Marlies
name: Kreuter, Michael
name: Stansen, Wibke
name: Quaresma, Manuel
name: Cottin, Vincent
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 8: Supplemental Figure 2. Annual rate of decline in FVC (mL/year) over 52 weeks in subgroups of patients by weight loss over 52 weeks (based on the change from baseline in weight at week 52).
Additional file 6 of Analysis of body mass index, weight loss and progression of idiopathic pulmonary fibrosis
Creators: name: Jouneau, Stéphane
name: Crestani, Bruno
name: Thibault, Ronan
name: Lederlin, Mathieu
name: Vernhet, Laurent
name: Valenzuela, Claudia
name: Wijsenbeek, Marlies
name: Kreuter, Michael
name: Stansen, Wibke
name: Quaresma, Manuel
name: Cottin, Vincent
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 6: Supplemental Table 4. Baseline characteristics in subgroups of patients by weight loss ≤5 and > 5% over 52 weeks (based on the annual rate of decline in weight).
title: Optimal ancient DNA yields from the inner ear part of the human petrous bone
Creators: name: Pinhasi, Ron
name: Fernandes, Daniel
name: Sirak, Kendra
name: Novak, Mario
name: Connell, Sarah
name: Alpaslan-Roodenberg, Songül
name: Gerritsen, Fokke
name: Moiseyev, Vyacheslav
name: Gromov, Andrey
name: Raczky, Pál
name: Anders, Alexandra
name: Pietrusewsky, Michael
name: Rollefson, Gary
name: Jovanovic, Marija
name: Trinhhoang, Hiep
name: Bar-Oz, Guy
name: Oxenham, Marc
name: Matsumura, Hirofumi
name: Hofreiter, Michael
Publisher: name: Universität Potsdam
Year: 2019

description: The invention and development of next or second generation sequencing methods has resulted in a dramatic transformation of ancient DNA research and allowed shotgun sequencing of entire genomes from fossil specimens. However, although there are exceptions, most fossil specimens contain only low (similar to 1% or less) percentages of endogenous DNA. The only skeletal element for which a systematically higher endogenous DNA content compared to other skeletal elements has been shown is the petrous part of the temporal bone. In this study we investigate whether (a) different parts of the petrous bone of archaeological human specimens give different percentages of endogenous DNA yields, (b) there are significant differences in average DNA read lengths, damage patterns and total DNA concentration, and (c) it is possible to obtain endogenous ancient DNA from petrous bones from hot environments. We carried out intra-petrous comparisons for ten petrous bones from specimens from Holocene archaeological contexts across Eurasia dated between 10,0001,800 calibrated years before present (cal. BP). We obtained shotgun DNA sequences from three distinct areas within the petrous: a spongy part of trabecular bone (part A), the dense part of cortical bone encircling the osseous inner ear, or otic capsule (part B), and the dense part within the otic capsule (part C). Our results confirm that dense bone parts of the petrous bone can provide high endogenous aDNA yields and indicate that endogenous DNA fractions for part C can exceed those obtained for part B by up to 65-fold and those from part A by up to 177-fold, while total endogenous DNA concentrations are up to 126-fold and 109-fold higher for these comparisons. Our results also show that while endogenous yields from part C were lower than 1% for samples from hot (both arid and humid) parts, the DNA damage patterns indicate that at least some of the reads originate from ancient DNA molecules, potentially enabling ancient DNA analyses of samples from hot regions that are otherwise not amenable to ancient DNA analyses.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 515
Evaluation of Corrosion Resistance of Thin Films 304 Stainless Steel Deposited by Sputtering
Creators: name: Lopez-Melendez, C.
name: Bautista-Margulis, R. G.
name: Garcia-Ochoa, E. M.
name: Esparza-Ponce, H. E.
name: Carreno-Gallardo, C.
name: Gaona-Tiburcio, C.
name: Uruchurtu-Chavarin, J.
name: Martinez-Villafane, A.
Publisher: name: figshare
Year: 2023
Subjects: Electrochemistry

description: In the aeronautical industry, Al-Cu alloys are used as a structural material in the manufacturing of commercial aircraft due to their high mechanical properties and low density. One of the main issues with these Al-Cu alloy systems is their low corrosion resistance in aggressive substances; as a result, Al-Cu alloys are electrochemically treated by anodizing processes to increase their corrosion resistance. Hard anodizing realized on AA2024 was performed in citric and sulfuric acid solutions for 60 min with constant stirring using current densities 3 and 4.5 A/dm2. After anodizing, a 60 min sealing procedure in water at 95 C was performed. Scanning electron microscopy (SEM) and Vickers microhardness (HV) measurements were used to characterize the microstructure and mechanical properties of the hard anodizing material. Electrochemical corrosion was carried out using cyclic potentiodynamic polarization curves (CPP) and electrochemical impedance spectroscopy (EIS) in a 3.5 wt. % NaCl solution. The results indicate that the corrosion resistance of Al-Cu alloys in citric acid solutions with a current density 4.5 A/dm2 was the best, with corrosion current densities of 2 10􀀀8 and 2 10􀀀9 A/cm2. Citric acid-anodized samples had a higher corrosion resistance than un-anodized materials, making citric acid a viable alternative for fabricating hard-anodized Al-Cu alloys.
title: Relation between stratospheric sudden warming and the lunar effect on the equatorial electrojet based on Huancayo recordings
Creators: name: Siddiqui, Tarique Adnan
name: Lühr, H.
name: Stolle, Claudia
name: Park, J.
Publisher: name: Universität Potsdam
Year: 2019

description: It has been known for many decades that the lunar tidal influence in the equatorial electrojet (EEJ) is noticeably enhanced during Northern Hemisphere winters. Recent literature has discussed the role of stratospheric sudden warming (SSW) events behind the enhancement of lunar tides and the findings suggest a positive correlation between the lunar tidal amplitude and lower stratospheric parameters (zonal mean air temperature and zonal mean zonal wind) during SSW events. The positive correlation raises the question whether an inverse approach could also be developed which makes it possible to deduce the occurrence of SSW events before their direct observations (before 1952) from the amplitude of the lunar tides. This study presents an analysis technique based on the phase of the semi-monthly lunar tide to determine the lunar tidal modulation of the EEJ. A statistical approach using the superposed epoch analysis is also carried out to formulate a relation between the EEJ tidal amplitude and lower stratospheric parameters. Using these results, we have estimated a threshold value for the tidal wave power that could be used to identify years with SSW events from magnetic field observations.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 517
Additional file 1 of Autonomic nervous system activity and the risk of nosocomial infection in critically ill patients with brain injury
Creators: name: Wirtz, Mathijs R.
name: Jiri Moekotte
name: Balvers, Kirsten
name: Admiraal, Marjolein M.
name: Jean-Francois Pittet
name: Colombo, Joe
name: Wagener, Brant M.
name: J. Carel Goslings
name: Juffermans, Nicole
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Neuroscience
subject: Physiology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 1: Criteria for diagnosed infections.
Geodesic Completeness for Sobolev Metrics on the Space of Immersed Plane Curves
Creators: name: Bruveris, Martins
name: Michor, Peter W.
name: Mumford, David
Publisher: name: arXiv
Year: 2013
Subjects: subject: Analysis of PDEs (math.AP)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 58D10, 58E30, 35A01

description: We study properties of Sobolev-type metrics on the space of immersed plane curves. We show that the geodesic equation for Sobolev-type metrics with constant coefficients of order 2 and higher is globally well-posed for smooth initial data as well as initial data in certain Sobolev spaces. Thus the space of closed plane curves equipped with such a metric is geodesically complete. We find lower bounds for the geodesic distance in terms of curvature and its derivatives.
description: 36 pages, LaTeX
Additional file 1 of Surgical healing beyond the scalpel: exploring the impact of depressive symptoms on functional recovery in total knee arthroplasty patients
Creators: name: Neelaraju, Harshith
name: Gangaiah, Mahesh
name: Mittal, Prabhat
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Biotechnology
subject: Immunology
subject: FOS: Clinical medicine
subject: Mental Health

description: Additional file 1. A cohort flow diagram showing number of patients who met inclusion criteria and were assessed with various scoring methods.
title: The new database of the Global Terrestrial Network for Permafrost (GTN-P)
Creators: name: Biskaborn, Boris K.
name: Lanckman, J.-P.
name: Lantuit, Hugues
name: Elger, K.
name: Streletskiy, Dmitry
name: Cable, W. L.
name: Romanovsky, Vladimir
Publisher: name: Universität Potsdam
Year: 2019

description: The Global Terrestrial Network for Permafrost (GTN-P) provides the first dynamic database associated with the Thermal State of Permafrost (TSP) and the Circumpolar Active Layer Monitoring (CALM) programs, which extensively collect permafrost temperature and active layer thickness (ALT) data from Arctic, Antarctic and mountain permafrost regions. The purpose of GTN-P is to establish an early warning system for the consequences of climate change in permafrost regions and to provide standardized thermal permafrost data to global models. In this paper we introduce the GTN-P database and perform statistical analysis of the GTN-P metadata to identify and quantify the spatial gaps in the site distribution in relation to climate-effective environmental parameters. We describe the concept and structure of the data management system in regard to user operability, data transfer and data policy. We outline data sources and data processing including quality control strategies based on national correspondents. Assessment of the metadata and data quality reveals 63% metadata completeness at active layer sites and 50% metadata completeness for boreholes.

Voronoi tessellation analysis on the spatial sample distribution of boreholes and active layer measurement sites quantifies the distribution inhomogeneity and provides a potential method to locate additional permafrost research sites by improving the representativeness of thermal monitoring across areas underlain by permafrost. The depth distribution of the boreholes reveals that 73% are shallower than 25m and 27% are deeper, reaching a maximum of 1 km depth. Comparison of the GTN-P site distribution with permafrost zones, soil organic carbon contents and vegetation types exhibits different local to regional monitoring situations, which are illustrated with maps. Preferential slope orientation at the sites most likely causes a bias in the temperature monitoring and should be taken into account when using the data for global models. The distribution of GTN-P sites within zones of projected temperature change show a high representation of areas with smaller expected temperature rise but a lower number of sites within Arctic areas where climate models project extreme temperature increase.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 523
Superdiffusion of energy in a chain of harmonic oscillators with noise
Creators: name: Jara, Milton
name: Komorowski, Tomasz
name: Olla, Stefano
Publisher: name: arXiv
Year: 2014
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We consider a one dimensional infinite chain of har- monic oscillators whose dynamics is perturbed by a stochastic term conserving energy and momentum. We prove that in the unpinned case the macroscopic evolution of the energy converges to a fractional diffusion. For a pinned system we prove that energy evolves diffusively, generalizing some of the results of [4].
description: New version with corrections. Diffusion of phonon modes remouved, it will appear in a forthcoming note
title: Brief communication
title: Sendai framework for disaster risk reduction - success or warning sign for Paris?
titleType: Subtitle
Creators: name: Mysiak, Jaroslav
name: Surminski, Swenja
name: Thieken, Annegret Henriette
name: Mechler, Reinhard
name: Aerts, Jeroen
Publisher: name: Universität Potsdam
Year: 2019

description: In March 2015, a new international blueprint for disaster risk reduction (DRR) was adopted in Sendai, Japan, at the end of the Third UN World Conference on Disaster Risk Reduction (WCDRR, 14-18 March 2015). We review and discuss the agreed commitments and targets, as well as the negotiation leading the Sendai Framework for DRR (SF-DRR) and discuss briefly its implication for the later UN-led negotiations on sustainable development goals and climate change.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 524
Alignment Process for Glass Substrates Using Electrostatic Self-Assembly
Creators: name: Stucki, Martin
name: Schumann, Christoph
name: Raatz, Annika
Publisher: name: Berlin : Springer Nature
Year: 2021
Subjects: subject: Precision alignment
subject: Self-assembly
subject: Parallel assembly
subject: Dewey Decimal Classification::600 | Technik

description: Sequential precision placing and bonding of components is time-consuming and expensive. Electrostatic self-assembly is a process for the parallel alignment of flat parts. Fluid between the parts acts as bearing and dielectric and serves as an adhesive for the subsequent bonding process. After a rough pre-positioning, a voltage leads to the electrical attraction between electrodes on both components. This results in a force that precisely aligns the parts on the designated assembly position. This paper describes the basics of the electrostatic self-assembly process and presents a structure design for the alignment of large-scale parts (127 mm). A model would help to design necessary conductive structures and control the process. In order to build a suitable model, we investigate the correlation between the applied voltage, the positioning error and velocity during the alignment process. We present the temporal velocity distribution in the process and calculate the alignment force based on a simple theoretic model.
title: Can local climate variability be explained by weather patterns?
title: a multi-station evaluation for the Rhine basin
titleType: Subtitle
Creators: name: Murawski, Aline
name: Bürger, Gerd
name: Vorogushyn, Sergiy
name: Merz, Bruno
Publisher: name: Universität Potsdam
Year: 2019

description: To understand past flood changes in the Rhine catchment and in particular the role of anthropogenic climate change in extreme flows, an attribution study relying on a proper GCM (general circulation model) downscaling is needed. A downscaling based on conditioning a stochastic weather generator on weather patterns is a promising approach. This approach assumes a strong link between weather patterns and local climate, and sufficient GCM skill in reproducing weather pattern climatology. These presuppositions are unprecedentedly evaluated here using 111 years of daily climate data from 490 stations in the Rhine basin and comprehensively testing the number of classification parameters and GCM weather pattern characteristics. A classification based on a combination of mean sea level pressure, temperature, and humidity from the ERA20C reanalysis of atmospheric fields over central Europe with 40 weather types was found to be the most appropriate for stratifying six local climate variables. The corresponding skill is quite diverse though, ranging from good for radiation to poor for precipitation. Especially for the latter it was apparent that pressure fields alone cannot sufficiently stratify local variability. To test the skill of the latest generation of GCMs from the CMIP5 ensemble in reproducing the frequency, seasonality, and persistence of the derived weather patterns, output from 15 GCMs is evaluated. Most GCMs are able to capture these characteristics well, but some models showed consistent deviations in all three evaluation criteria and should be excluded from further attribution analysis.
description: Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, 525