cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Cold plasma treatment of seeds: deciphering the role of contact surfaces through multiple exposures, randomizing and stirring
Creators: name: DUFOUR, Thierry
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 510602
subject: Plasma physics; fusion plasmas; electrical discharges

description: Cold plasma technologies are an efficient approach to improve the germination properties of seeds, especially in a stacking configuration within a dielectric barrier device. In such dry atmospheric plasma priming process, we show that a helium-nitrogen plasma treatment of 20 min can reduce the median germination time of lentil seeds from 1420 min to 1145 minutes, i.e. a gain in vigor of 275 min (or +19.4 %). Considering that this result depends on the plasma-seed interaction and therefore on the contact surfaces between the seeds and the plasma, a topographic modeling of a 100 seeds-stack is performed in the dielectric barrier device. This model drives to the distinction between the seed-seed contact surfaces (276 contacts standing for a total area of 230.6 mm2) and the seed-wall contact surfaces (134 contacts standing for a total area of 105.9 mm2). It turns out that after a single plasma treatment, the outer envelope of each seed is 92% exposed to plasma: a value high enough to support the relevance of the plasma process but which also opens the way to process optimizations. In this outlook, we propose to replace the single 20-minute plasma treatment by a "plasma sequence", i.e. a succession of shorter plasma treatments whose total duration remains 20 minutes. Between two successive plasma treatments, the seeds can follow either a trapping procedure (seeds in same positions and orientations) or a randomizing procedure (seeds in same positions but reoriented) or a stirring procedure (seeds vigorously shaken). As an example, a sequence of 10 plasma treatments (upon 2 minutes) separated by short stirring procedures leads to a gain in vigor as high as 405 min (+28.5 %) vs 275 min (+19.4 %) for a single plasma treatment of 20 min. We propose to understand these results by correlating the gain in vigor with the water uptake of the seeds (increase from 29% to 55%) and the wettability state of their coating (decrease of contact angle from 113.5° to about 38°).
Layer resolved magnetization dynamics in interlayer exchange coupled Ni81Fe19/Ru/Co90Fe10 by time resolved x-ray magnetic circular dichroism
Creators: name: Martin, T.
name: Woltersdorf, Georg
name: Stamm, C.
name: Duerr, H. A.
name: Mattheis, R.
name: Back, Christian
name: Bayreuther, Günther
Publisher: name: Universität Regensburg
Year: 2008
Subjects: subject: 530 Physik

description: The magnetization dynamics of each layer of interlayer exchange coupled Ni81Fe19/Ru(t)/Co90Fe10 films was investigated by time resolved x-ray magnetic circular dichroism (TR-XMCD) after pulsed excitation. The coupling was changed from ferromagnetic to antiferromagnetic by variation of the Ru thickness t. The precessional motion of the individual layers was detected separately by measuring the XMCD signal at the L-3 absorption edge of either nickel or cobalt. From the observation of two frequency components in the precession of both layers in samples with negligible interlayer exchange coupling, the presence of a different coupling mechanism was concluded. Using two different sample geometries, the influence of antiphase and in-phase excitation on the triggered dynamics was studied.
Wireless communications for smart manufacturing and industrial IoT: existing technologies, 5G and beyond
Creators: name: Rahim, Md Noor-A-
name: John, Jobish
name: Firyaguna, Fadhil
name: Husnain Raza Sheraz, Hafiz
name: Kushch, Sergii
name: Vijayan, Aswathi
name: O'CONNELL, EOIN
name: Pesch, Dirk
name: O’Flynn, Brendan
name: O'Brien, William
name: HAYES, MARTIN
name: Armstrong, Eddie
Publisher: name: University of Limerick
Year: 2023
Subjects: classificationCode: 40
subject: Engineering

description: Smart manufacturing is a vision and major driver for change in today’s industry. The goal of smart manufacturing is to optimize manufacturing processes through constantly monitoring, controlling, and adapting processes towards more efficient and personalised manufacturing. This requires and relies on technologies for connected machines incorporating a variety of computation,sensing, actuation, and machine to machine communications modalities. As such, understanding the change towards smart manufacturing requires knowledge of the enabling technologies, their applications in real world scenarios and the communication protocols and their performance to meet application requirements. Particularly, wireless communication is becoming an integral part of modern smart manufacturing and is expected to play an important role in achieving the goals of smart manufacturing. This paper presents an extensive review of wireless communication protocols currently applied in manufacturing environments and provides a comprehensive review of the associated use cases whilst defining their expected impact on the future of smart manufacturing. Based on the review, we point out a number of open challenges and directions for future research in wireless communication technologies for smart manufacturing.
title: Vegetarians in modern Beijing: food, identity and body techniques in everyday experience
Creators: name: Wang, Yahong
Publisher: name: University of Glasgow
Year: 2020
Subjects: subject: vegetarianism, modern China, identification.

description: This study investigates how self defined vegetarians in modern Beijing construct their identity through everyday experience in the hope that it may contribute to a better understanding of the development of individuality and self identity in Chinese society in a post traditional order, and also contribute to understanding the development of the vegetarian movement in a non--‘Western’ context. It is perhaps the first scholarly attempt to study the vegetarian community in China that does not treat it as an Oriental phenomenon isolated from any outside influence. Using qualitative data collected from interviews with vegetarians and non vegetarians, observation and text from social media, this study finds that the motivations behind vegetarians in modern Beijing are highly similar to the motivations revealed in studies of vegetarians in other societies. The religious influence may be especially noticeable in the local context and is often combined with other arguments for vegetarianism, such as ethics. Vegetarians in Beijing have developed different strategies to maintain their vegetarian identity in a mostly non vegetarian society, including taking more control of their own diet, using rhetoric to avoid direct confrontation and making certain compromises. Vegetarianism related organizations are important in forming the vegetarian community, yet a general depoliticisation of vegetarianism in China makes it difficult to strive for more rights for vegetarians. The thesis suggests areas for future research about the vegetarian community in China, the global vegetarian movement and how it may contribute to future policy making.
Chicago Area Medical Archivists Medical History Symposium (2018)
Creators: Chicago Area Medical Archivists
Publisher: name: DigitalHub. Galter Health Sciences Library & Learning Center
Year: 2022

description: Program of the CAMA Medical History Symposium [entitled "Fall History Symposium" in the program] held October 11, 2018 in Classroom J (2nd Floor), Prentice Women's Hospital, Chicago, IL.
Zeros of orthogonal polynomials generated by the Geronimus perturbation of measures
Creators: name: Branquinho, Amílcar
name: Huertas, Edmundo J.
name: Rafaeli, Fernando R.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 30C15

description: This paper deals with monic orthogonal polynomial sequences (MOPS in short) generated by a Geronimus canonical spectral transformation of a positive Borel measure $μ$, i.e., \begin{equation*} \frac{1}{(x-c)}dμ(x)+Nδ(x-c), \end{equation*} for some free parameter $N \in \mathbb{R}_{+}$ and shift $c$. We analyze the behavior of the corresponding MOPS. In particular, we obtain such a behavior when the mass $N$ tends to infinity as well as we characterize the precise values of $N$ such the smallest (respectively, the largest) zero of these MOPS is located outside the support of the original measure $μ$. When $μ$ is semi-classical, we obtain the ladder operators and the second order linear differential equation satisfied by the Geronimus perturbed MOPS, and we also give an electrostatic interpretation of the zero distribution in terms of a logarithmic potential interaction under the action of an external field. We analyze such an equilibrium problem when the mass point of the perturbation $c$ is located outside of the support of $μ$.
description: Some minor typos in the text have been corrected. B. Murgante et al. (Eds.): ICCSA 2014 - Lecture Notes in Computer Science (LNCS), 8579 (Part I) (2014), 44-59. Springer International Publishing Switzerland. ISSN 0302-9743. ISBN13: 978-3-319-09143-3. ISBN10: 3-319-09143-3
Intragraft immune events after human liver transplantation. Correlation with clinical signs of acute rejection and influence of immunosuppression
Creators: name: Schlitt, Hans-Jürgen
name: Nashan, Björn
name: Krick, P.
name: Ringe, B.
name: Wittekind, C.
name: Wonigeit, K.
name: Pichlmayr, R.
Publisher: name: Universität Regensburg
Year: 1992
Subjects: subject: 610 Medizin
subject: Biopsy, Needle
subject: Graft Rejection
subject: Humans
subject: Immunosuppression/methods
subject: Liver Diseases/pathology
subject: Liver Transplantation/methods
subject: Time Factors

description: Evaluation of graft morphology is regarded as a cornerstone for diagnosis of acute liver graft rejection. Here we have studied the clinical relevance of biopsy findings obtained either by aspiration cytology or by histology in the first month after human liver transplantation, and have assessed the influence of immunosuppressive induction treatment on the incidence of morphological and clinical rejection. Results of 865 aspiration biopsies (TAC) and 155 core biopsies in 141 patients were correlated with the retrospective clinical diagnosis concerning the presence or absence of acute rejection. This analysis demonstrated that there are almost no false negative findings either in cytology or in histology (less than 0.1% of negative biopsies). In contrast, with both methods a large number of positive biopsy results were obtained that were without clinical correlate ("false positive" biopsies; 46% and 41% of positive cytologies and histologies, respectively). The rates of clinical and morphological acute rejections were differently influenced by the type of immunosuppressive induction protocol used. The incidence of clinical rejection was particularly low with a quadruple drug regimen when cyclosporine therapy was started immediately after transplantation (29% vs. 62% when introduction of cyclosporine was delayed for 2-5 days). Morphological rejections were similarly frequent with immediate and delayed introduction of cyclosporine at 2 mg/kg during quadruple therapy (65-75%) and were only reduced with initial high dose cyclosporine treatment (5 mg/kg) (35%). Antirejection treatment was not required in patients with morphological evidence of rejection but without clinical symptoms. The study demonstrates that cytology and histology are similarly reliable for exclusion and similarly unreliable for diagnosis of clinical acute rejection. The clinical relevance of positive biopsy findings is strongly influenced by the basic immunosuppressive treatment. Certain types of induction treatment can obviously alter the alloresponse in a way that no graft damage occurs despite the presence of marked intragraft immune activation. "False-positive" biopsy findings, therefore, seem to represent a qualitatively modified and self-limited type of intragraft alloresponse that is without clinical consequences ("incomplete" or "subclinical" rejection).
Chicago Area Medical Archivists Medical History Symposium (2004)
Creators: Chicago Area Medical Archivists
Publisher: name: DigitalHub. Galter Health Sciences Library & Learning Center
Year: 2022

description: Program of the 3rd CAMA Medical History Symposium that was held on October 15, 2004 at Northwestern Memorial Hospital, Feinberg Pavilion Conference Rooms, Chicago, IL.
Understanding star formation in molecular clouds I. Effects of line-of-sight contamination on the column density structure
Creators: name: Schneider, N.
name: Ossenkopf, V.
name: Csengeri, T.
name: Klessen, R.
name: Federrath, C.
name: Tremblin, P.
name: Girichidis, P.
name: Bontemps, S.
name: Andre, Ph.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Column-density maps of molecular clouds are one of the most important observables in the context of molecular cloud- and star-formation (SF) studies. With the Herschel satellite it is now possible to determine the column density from dust emission. We use observations and simulations to demonstrate how LOS contamination affects the column density probability distribution function (PDF). We apply a first-order approximation (removing a constant level) to the molecular clouds of Auriga, Maddalena, Carina and NGC3603. In perfect agreement with the simulations, we find that the PDFs become broader, the peak shifts to lower column densities, and the power-law tail of the PDF flattens after correction. All PDFs have a lognormal part for low column densities with a peak at Av~2, a deviation point (DP) from the lognormal at Av(DP)~4-5, and a power-law tail for higher column densities. Assuming a density distribution rho~r^-alpha, the slopes of the power-law tails correspond to alpha(PDF)=1.8, 1.75, and 2.5 for Auriga, Carina, and NGC3603 (alpha~1.5-2 is consistent gravitational collapse). We find that low-mass and high-mass SF clouds display differences in the overall column density structure. Massive clouds assemble more gas in smaller cloud volumes than low-mass SF ones. However, for both cloud types, the transition of the PDF from lognormal shape into power-law tail is found at the same column density (at Av~4-5 mag). Low-mass and high-mass SF clouds then have the same low column density distribution, most likely dominated by supersonic turbulence. At higher column densities, collapse and external pressure can form the power-law tail. The relative importance of the two processes can vary between clouds and thus lead to the observed differences in PDF and column density structure.
description: A&A accepted, 15.12. 2014
انحلال الروابط الأسرية في ضوء القانون الدولي الخاص: الواقع والآفاق
Creators: name: محمد مومن, مومن
name: محمد محروك
Publisher: name: Zenodo
Year: 2023

description: انحلال الروابط الأسرية في ضوء القانون الدولي الخاص: الواقع والآفاق
Nonlinear lattice dynamics as a basis for enhanced superconductivity in YBa2Cu3O6.5
Creators: name: Mankowsky, R.
name: Subedi, A.
name: Först, M.
name: Mariager, S. O.
name: Chollet, M.
name: Lemke, H.
name: Robinson, J.
name: Glownia, J.
name: Minitti, M.
name: Frano, A.
name: Fechner, M.
name: Spaldin, N. A.
name: Loew, T.
name: Keimer, B.
name: Georges, A.
name: Cavalleri, A.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: THz-frequency optical pulses can resonantly drive selected vibrational modes in solids and deform their crystal structure. In complex oxides, this method has been used to melt electronic orders, drive insulator to metal transitions or induce superconductivity. Strikingly, coherent interlayer transport strongly reminiscent of superconductivity can be transiently induced up to room temperature in YBa2Cu3O6+x. By combining femtosecond X-ray diffraction and ab initio density functional theory calculations, we determine here the crystal structure of this exotic non-equilibrium state. We find that nonlinear lattice excitation in normal-state YBa2Cu3O6+x at 100 K causes a staggered dilation/contraction of the Cu-O2 intra/inter- bilayer distances, accompanied by anisotropic changes in the in-plane O-Cu-O bond buckling. Density functional theory calculations indicate that these motions cause dramatic changes in the electronic structure. Amongst these, the enhancement in the dx2-y2 character of the in-plane electronic structure is likely to favor superconductivity.
description: 28 pages, including Supplement
Nonlinear Spectroscopy of Controllable Many-Body Quantum Systems
Creators: name: Gessner, M.
name: Schlawin, F.
name: Haeffner, H.
name: Mukamel, S.
name: Buchleitner, A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We establish a novel approach to probing spatially resolved multi-time correlation functions of interacting many-body systems, with scalable experimental overhead. Specifically, designing nonlinear measurement protocols for multidimensional spectra in a chain of trapped ions with single-site addressability enables us, e.g., to distinguish coherent from incoherent transport processes, to quantify potential anharmonicities, and to identify decoherence-free subspaces.
description: 12 pages, 3 figures
title: Ethnomedicine and the dynamics of knowledge transmission and plant conservation in Atiu, Cook Islands
Creators: name: Vougioukalou, Sofia Anthi
Publisher: name: University of Kent
Year: 2022

description: This thesis examines the link between the traditional medical knowledge and medicinal plant use in Atiu, Cook Islands. Indigenous knowledge systems and medicinal plant populations have been reported to be under threat from international organisations, social and natural scientists alike. An interdisciplinary perspective using anthropological and ethnobotanical methods was used to empirically assess the effect of healing practices on ethnomédical knowledge transmission and medicinal plant conservation. This study shows that despite socioeconomic changes and the decline of traditional practices in general, traditional medicine in the Cook Islands continues to be used across social and geographical boundaries without posing a threat to medicinal plant populations. This effect is attributed to the adaptive properties of the healing system that maintains some traditional elements such as family ownership of medical recipes and absence of monetary reward for healing while allowing for innovation as demonstrated in new recipes for new illnesses and flexible knowledge transmission patterns. The family ownership of medicinal recipes facilitated the conservation of both ethnomédical knowledge and medicinal plants as specific families operated as custodians of specialised knowledge and associated plant populations. The sense of obligation to the community’s wellbeing and divine guidance that accompanied the practice of traditional medicine contributed to the operation of a moral and spiritual driving force behind this form of cultural and biological preservation. In short this study shows that engagement with traditional medicine is positively associated with the transmission of ethnomédical knowledge and the conservation of medicinal plants, as Atiuans strive to conserve medicinal plants in order to acquire the elevated social status associated with traditional healing. These findings contribute to the ethnobotanical literature on the conservation of biocultural diversity by highlighting the impact of knowledge transmission on plant management.
Conditions for Conductance Quantization in Mesoscopic Dirac Systems on the Examples of Graphene Nanoconstrictions
Creators: name: Rut, Grzegorz
name: Rycerz, Adam
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Ballistic transport through an impurity-free section of the Corbino disk in graphene is investigated by means of the Landauer-Büttiker formalism in the mesoscopic limit. In the linear-responce regime the conductance is quantized in steps close to integer multiples of $4e^{2}/h$, yet Fabry-Perot oscillations are strongly suppressed. The quantization arises for small opening angles $θ\lesssimπ/3$ and large radii ratios $R_2/R_1\gtrsim{}10$. We find that the condition for emergence of the $n$-th conductance step can be written as $\sqrt{n}θ/π\ll{}1$. A brief comparison with the conductance spectra of graphene nanoribbons with parallel edges is also provided.
description: Typos corrected. RevTeX, 5 pages, 4 figures. Presented on "XVI National Conference of Superconductivity", October 7-12, 2013, Zakopane, Poland
Organization mechanism and counting algorithm on Vertex-Cover solutions
Creators: name: Wei, Wei
name: Zhang, Renquan
name: Niu, Baolong
name: Guo, Binghui
name: Zheng, Zhiming
Publisher: name: arXiv
Year: 2014
Subjects: subject: Computational Complexity (cs.CC)
subject: FOS: Computer and information sciences

description: Counting the solution number of combinational optimization problems is an important topic in the study of computational complexity, especially on the #P-complete complexity class. In this paper, we first investigate some organizations of Vertex-Cover unfrozen subgraphs by the underlying connectivity and connected components of unfrozen vertices. Then, a Vertex-Cover Solution Number Counting Algorithm is proposed and its complexity analysis is provided, the results of which fit very well with the simulations and have better performance than those by 1-RSB in a neighborhood of c = e for random graphs. Base on the algorithm, variation and fluctuation on the solution number statistics are studied to reveal the evolution mechanism of the solution numbers. Besides, marginal probability distributions on the solution space are investigated on both random graph and scale-free graph to illustrate different evolution characteristics of their solution spaces. Thus, doing solution number counting based on graph expression of solution space should be an alternative and meaningful way to study the hardness of NP-complete and #P-complete problems, and appropriate algorithm design can help to achieve better approximations of solving combinational optimization problems and the corresponding counting problems.
description: 17 pages, 6 figures
An active learning approach for the prediction of hydrodynamic roughness properties
Creators: name: Yang, Jiasheng
name: Stroh, Alexander
name: Friederich, Pascal
name: Frohnapfel, Bettina
name: Forooghi, Pourya
Publisher: name: Karlsruher Institut für Technologie (KIT)
Year: 2022

description: Realistic surfaces of flow-related equipment are often hydraulically rough due to wear or fouling. Predicting the skin friction exerted by such rough surfaces is a challenging task since the topography of these surfaces is inherently irregular and complex. Recent developments in data-driven methods and increasing affordability of high-fidelity direct numerical simulations (DNS) have created new possibilities for estimation of drag on irregular rough surfaces. In the present work we aim to demonstrate a viable approach to efficiently train a predictive model for the estimation of drag for irregular roughness based on its height probability density function (PDF) and the surface height power spectrum (PS). An active learning (AL) framework is employed to efficiently navigate the construction of a training database. Training data is generated by conducting direct numerical simulations of a flow over artificially generated rough surfaces in minimal channels in order to minimize the computational effort. An ensemble neural network (ENN) model is trained based on the database. The ENN model shows promising potential in predicting the skin friction as well as estimating the epistemic (model) uncertainty. Furthermore, the model – trained on artificial surfaces – is tested on five realistic surface scans, showing that a maximum error of 8.7% between the predicted roughness function ∆U+ and the DNS results is achieved. Overall, the AL framework shows a great potential as a basis for future research towards a universal predictive tool for any arbitrary roughness.
Resummation of small-x double logarithms in QCD: inclusive deep-inelastic scattering
Creators: name: Davies, J.
name: Kom, C.-H.
name: Moch, S.
name: Vogt, Andreas
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2022
Subjects: subject: 530
subject: deep inelastic scattering: inclusive reaction
subject: renormalization group
subject: factorization
subject: perturbation theory: higher-order
subject: quantum chromodynamics
subject: resummation
subject: small-x
subject: splitting function
subject: hard scattering
subject: parton
subject: flavor
subject: BFKL equation
subject: singlet
subject: numerical calculations
subject: Deep Inelastic Scattering or Small-x Physics
subject: Factorization
subject: Renormalization Group
subject: Higher-Order Perturbative Calculations
subject: Resummation

description: We present a comprehensive study of high-energy double logarithms in inclusive DIS. They appear parametrically as $ {\alpha}_s^n $ ln$^{2n−k}$x at the n-th order in perturbation theory in the splitting functions for the parton evolution and the coefficient functions for the hard scattering process, and represent the leading corrections at small x in the flavour non-singlet case. We perform their resummation, in terms of modified Bessel functions, to all orders in full QCD up to NNLL accuracy, and partly to N$^{3}$LL and beyond in the large-n$_{c}$ limit, and provide fixed-order expansions up to five loops. In the flavour-singlet sector, where these double logarithms are sub-dominant at small x compared to single-logarithmic $ {\alpha}_s^n $x$^{−1}$ ln$^{n−k}$x BFKL contributions, we construct fixed-order expansions up to five loops at NNLL accuracy in full QCD. The results elucidate the analytic small-x structure underlying inclusive DIS results in fixed-order perturbation theory and provide important information for present and future numerical and analytic calculations of these quantities.
Rotational State Analysis of AlH+ by Two-Photon Dissociation
Creators: name: Seck, Christopher M.
name: Hohenstein, Edward G.
name: Lien, Chien-Yu
name: Stollenwerk, Patrick R.
name: Odom, Brian C.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We perform ab-initio calculations needed to predict the cross-section of an experimentally accessible (1+1') resonance-enhanced multiphoton dissociation (REMPD) pathway in AlH+. Experimenting on AlH+ ions held in a radiofrequency Paul trap, we confirm dissociation via this channel with analysis performed using time-of-flight mass spectrometry. We demonstrate the use of REMPD for rotational state analysis, and we measure the rotational distribution of trapped AlH+ to be consistent with the expected thermal distribution. AlH+ is a particularly interesting species for ion trap work because of its electronic level structure, which makes it amenable to proposals for rotational optical pumping, direct Doppler cooling, and single-molecule fluorescence detection. Potential applications of trapped AlH+ include searches for time-varying constants, quantum information processing, and ultracold chemistry studies.
Strong decays of $T_{cc}^+$ at NLO in an effective field theory
Creators: name: Dai, Lin
name: Fleming, Sean
name: Hodges, Reed
name: Mehen, Thomas
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The $T_{cc}^+$ exotic meson, discovered by the LHCb Collaboration in 2021, can be interpreted as a molecular state of $D^{(*)0}$ and $D^{(*)+}$ mesons. We compute next-to-leading-order (NLO) contributions to the strong decay of $T_{cc}^+$ in an effective field theory for $D$ mesons and pions, considering contributions from one-pion exchange and final-state rescattering. Corrections to the total width, as well as the differential distribution in the invariant mass of the final-state $D$ meson pair are computed. The results remain in good agreement with LHCb experimental results when the NLO contributions are added. The leading uncertainties in the calculation come from terms which depend on the scattering length and effective range in $D$ meson scattering.
description: 26 pages, 7 figures
On the symplectic eightfold associated to a Pfaffian cubic fourfold
Creators: name: Addington, N.
name: Lehn, M.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: We show that the irreducible holomorphic symplectic eightfold Z associated to a cubic fourfold Y not containing a plane is deformation-equivalent to the Hilbert scheme of four points on a K3 surface. We do this by constructing for a generic Pfaffian cubic Y a birational map Z ---> Hilb^4(X), where X is the K3 surface associated to Y by Beauville and Donagi. We interpret Z as a moduli space of complexes on X and observe that at some point of Z, hence on a Zariski open subset, the complex is just the ideal sheaf of four points.
description: 9 pages. Minor changes; to appear in Crelle as an appendix to 1305.0178
New Approach Methods (NAMs) in der wissenschaftsbasierten Ableitung von Grenzwerten – derzeitige und zukünftige Rolle
Creators: name: Deutsche Forschungsgemeinschaft | Ständige Senatskommission Zur Prüfung Gesundheitsschädlicher Arbeitsstoffe (MAK-Kommission)
Publisher: name: Zenodo
Year: 2023
Subjects: New Approach Methods
Ständige Senatskommission zur Prüfung gesundheitsschädlicher Arbeitsstoffe
MAK-Kommission
Tierexperimentelle Studien
Permanent Senate Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area
MAK Commission
animal studies
Deutsche Forschungsgemeinschaft
DFG
German Research Foundation

description: Stellungnahme der Ständigen Senatskommission zur Prüfung gesundheitsschädlicher Arbeitsstoffe (MAK-Kommission) der Deutschen Forschungsgemeinschaft (DFG) über die Rolle der „New Approach Methods“ (NAMs) aus wissenschaftlicher Perspektive. Statement of the Permanent Senate Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area (MAK Commission) of the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) on the role of the „New Approach Methods“ (NAMs) from a scientific perspective.
title: Portugal Report. Sustainable Governance Indicators 2022
Creators: name: Jalali, Carlos
name: Bruneau, Thomas C.
name: Ferreira Bacalhau, Marió
name: Colino, César
Publisher: name: Bertelsmann Stiftung
Year: 2022
Subjects: Governance
Democracy
Regierungshandeln
Demokratie

description: The period under review covers the first two years in office of the second António Costa government. The period was inevitably overshadowed by the pandemic. However, it also saw the eventual demise of the Costa government in December 2021.
Skyrmion-skyrmion and skyrmion-edge repulsions in skyrmion-based racetrack memory
Creators: name: Zhang, Xichao
name: Zhao, G. P.
name: Fangohr, Hans
name: Liu, J. Ping
name: Xia, W. X.
name: Xia, J.
name: Morvan, F. J.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Magnetic skyrmions are promising for building next-generation magnetic memories and spintronic devices due to their stability, small size and the extremely low currents needed to move them. In particular, skyrmion-based racetrack memory is attractive for information technology, where skyrmions are used to store information as data bits instead of traditional domain walls. Here we numerically demonstrate the impacts of skyrmion-skyrmion and skyrmion-edge repulsions on the feasibility of skyrmion-based racetrack memory. The reliable and practicable spacing between consecutive skyrmionic bits on the racetrack as well as the ability to adjust it are investigated. Clogging of skyrmionic bits is found at the end of the racetrack, leading to the reduction of skyrmion size. Further, we demonstrate an effective and simple method to avoid the clogging of skyrmionic bits, which ensures the elimination of skyrmionic bits beyond the reading element. Our results give guidance for the design and development of future skyrmion-based racetrack memory.
description: 15 pages, 6 figures
Differentiation of liver graft dysfunction by transplant aspiration cytology
Creators: name: Schlitt, Hans-Jürgen
name: Nashan, Björn
name: Ringe, B.
name: Bunzendahl, H.
name: Wittekind, C.
name: Wonigeit, K.
name: Pichlmayr, R.
Publisher: name: Universität Regensburg
Year: 1991
Subjects: subject: 610 Medizin
subject: Biopsy, Needle
subject: Graft Rejection/immunology
subject: Humans
subject: Liver/pathology
subject: Liver Transplantation/physiology
subject: Monitoring, Physiologic

description: Episodes of graft dysfunction are frequently observed after liver transplantation and can be due to different causes requiring specific therapy. In this study the usefulness and reliability of liver transplant aspiration cytology (TAC) for differential diagnosis of liver graft dysfunction is assessed. Out of more than 1500 TACs performed, 292 TACs, taken during episodes of liver dysfunction due to retrospectively defined causes, were analyzed. Immune activation and parenchymal damage in the aspirates were determined cytologically. In 63 episodes of acute rejection, marked immune activation was present in aspirate but not in blood, with varying degrees of hepatocyte damage and cholestasis. No or only minimal immune activation was observed in 86 cases of toxic, ischemic, or septic liver damage, but considerable parenchymal damage and cholestasis were observed. In 3 cases of hepatitis slight-to-moderate immune activation with large granular lymphocytes was found in the aspirate, while 17 cases of viral infection presented with slight-to-moderate immune activation in aspirate and blood. After successful treatment the cytologic patterns normalized, except when the cause of liver dysfunction persisted. Moreover, typical patterns of parenchymal changes were found for preservation damage of the liver (n = 108), fatty degeneration (n = 3), obstructive cholestasis (n = 5), and acute arterial ischemia (n = 2). One case of moderate subcapsular hematoma was the only complication observed (less than 0.1%). Thus, liver TAC is an easy, safe, and clinically useful method for differential diagnosis of liver graft dysfunction. In particular, differentiation between acute rejection and nonimmunologic causes of dysfunction is very reliable, but hepatitis and viral infections also present distinctive patterns in liver TAC.
Elranatamab: First Approval
Creators: name: Dhillon, Sohita
Publisher: name: Adis Journals
Year: 2023
Subjects: Medicine

description: Declarations Funding The preparation of this review was not supported by any external funding. Authorship and Conflict of interest During the peer review process the manufacturer of the agent under review was offered an opportunity to comment on the article. Changes resulting from any comments received were made by the authors on the basis of scientific completeness and accuracy. Sohita Dhillon is a contracted employee of Adis International Ltd/Springer Nature, and declares no relevant conflicts of interest. All authors contributed to the review and are responsible for the article content. Ethics approval, Consent to participate, Consent to publish, Availability of data and material, Code availability not applicable. Additional information about this Adis Drug Review can be found here. Abstract Elranatamab (elranatamab-bcmm; ELREXFIO™) is a bispecific B-cell maturation antigen (BCMA)-directed CD3 T cell engager being developed by Pfizer for the treatment of multiple myeloma (MM). Elranatamab bridges CD3 on T cells with BCMA expressed on multiple myeloma cells, thereby activating T cells to induce T cell-mediated cytotoxicity against myeloma cells. In August 2023, elranatamab received its first approval in the USA for the treatment of adult patients with relapsed or refractory multiple myeloma (RRMM) who have received at least four prior lines of therapy including a proteasome inhibitor, an immunomodulatory agent and an anti-CD38 monoclonal antibody. Elranatamab received accelerated approval for this indication based on response rate and durability of response, and continued approval may be contingent on the demonstration of clinical benefit in a confirmatory trial(s). Elranatamab is under regulatory review for RRMM in the EU, Japan and several other countries worldwide. Clinical studies of elranatamab are also underway in countries around the world. This article summarizes the milestones in the development of elranatamab leading to this first approval for the treatment of RRMM. © Springer Nature Switzerland AG 2023
Isolation, culture and characterization of human pancreatic duct cells
Creators: name: Trautmann, B.
name: Schlitt, Hans-Jürgen
name: Hahn, E. G.
name: Löhr, M.
Publisher: name: Universität Regensburg
Year: 1993
Subjects: subject: 610 Medizin
subject: Cell Separation
subject: Cells, Cultured
subject: Epithelial Cells
subject: Fluorescent Antibody Technique
subject: Humans
subject: Microscopy, Electron
subject: Pancreatic Ducts/ultrastructure

description: To establish a suitable control for pancreatic tumor cell lines, we have isolated and cultured primary human pancreatic duct cells from transplant donors. Duct cells were isolated by dissecting the main pancreatic duct and first-degree branches and enzymatic digestion. Aggregates of cells were cultured for 1 up to 5 weeks and monitored for changes in morphology and growth by phase contrast microscopy. Contaminating fibroblasts were mechanically removed from day 4 on and by cloning of epithelial cells. Cultured cells were characterized by phase contrast microscopy, electron microscopy, and immunofluorescence with antibodies against intermediate filaments (cytokeratins, vimentin, desmin), mucins (Du-Pan-2, CA 19-9), carbonic anhydrase II, acinar cell enzymes (amylase, lipase, trypsin), and islet cells. About 90% of the cultured cells could be identified as ductal epithelial cells by their expression of cytokeratins, mucins, and carbonic anhydrase II. These cells showed the ultrastructural features of duct cells. After 3-5 weeks of culture, most of the cultured cells showed co-expression of cytokeratins and vimentin in addition to duct cell markers. About 10% of cells were contaminating fibroblasts (vimentin positive, cytokeratin negative). The cultured normal human duct cells as the postulated cells of origin of the pancreatic adenocarcinoma may serve as a useful control for cultured pancreatic tumor cell lines.
The Lipschitz metric on deformation spaces of $G$-trees
Creators: name: Meinert, Sebastian
Publisher: name: arXiv
Year: 2013
Subjects: subject: Group Theory (math.GR)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics

description: For a finitely generated group $G$, we introduce an asymmetric pseudometric on projectivized deformation spaces of $G$-trees, using stretching factors of $G$-equivariant Lipschitz maps, that generalizes the Lipschitz metric on Outer space and is an analogue of the Thurston metric on Teichmüller space. We show that in the case of irreducible $G$-trees distances are always realized by minimal stretch maps, can be computed in terms of hyperbolic translation lengths, and geodesics exist. We then study displacement functions on projectivized deformation spaces of $G$-trees and classify automorphisms of $G$. As an application, we prove existence of train track representatives for irreducible automorphisms of virtually free groups and nonelementary generalized Baumslag-Solitar groups that contain no solvable Baumslag-Solitar group $BS(1,n)$ with $n\geq 2$.
description: 39 pages, v3: Corrected a few typos. To appear in Algebraic & Geometric Topology
Bifurcation measures and quadratic rational maps
Creators: name: DeMarco, Laura
name: Wang, Xiaoguang
name: Ye, Hexi
Publisher: name: arXiv
Year: 2014
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: Primary 37F45, Secondary 37P30

description: We study critical orbits and bifurcations within the moduli space of quadratic rational maps on $\mathbb{P}^1$. We focus on the family of curves, $Per_1(λ)$ for $λ$ in $\mathbb{C}$, defined by the condition that each $f\in Per_1(λ)$ has a fixed point of multiplier $λ$. We prove that the curve $Per_1(λ)$ contains infinitely many postcritically-finite maps if and only if $λ= 0$; addressing a special case of [BD2, Conjecture 1.4]. We also show that the two critical points of a map $f$ define distinct bifurcation measures along $Per_1(λ)$.
description: Final version, to appear in Proceedings of the LMS
An Achievable rate region for the $3-$user interference channel based on coset codes
Creators: name: Padakandla, Arun
name: Sahebi, Aria G.
name: Pradhan, S. Sandeep
Publisher: name: arXiv
Year: 2014
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: We consider the problem of communication over a three user discrete memoryless interference channel ($3-$IC). The current known coding techniques for communicating over an arbitrary $3-$IC are based on message splitting, superposition coding and binning using independent and identically distributed (iid) random codebooks. In this work, we propose a new ensemble of codes - partitioned coset codes (PCC) - that possess an appropriate mix of empirical and algebraic closure properties. We develop coding techniques that exploit algebraic closure property of PCC to enable efficient communication over $3-$IC. We analyze the performance of the proposed coding technique to derive an achievable rate region for the general discrete $3-$IC. Additive and non-additive examples are identified for which the derived achievable rate region is the capacity, and moreover, strictly larger than current known largest achievable rate regions based on iid random codebooks.
description: New examples for which coset codes yield strictly larger achievable rate regions in comparison to those achievable using unstructured iid codes are identified. The issue of aligning interference at multiple receiver terminals addressed through an example. Revised submission to IEEE Trans. on Information Theory
Empirical constraints on turbulence in proto-planetary discs
Creators: name: Rosotti, Giovanni P.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Proto-planetary discs, the birth environment of planets, are an example of a structure commonly found in astrophysics, accretion discs. Identifying the mechanism responsible for accretion is a long-standing problem, dating back several decades. The common picture is that accretion is a consequence of turbulence, with several instabilities proposed for its origin. While traditionally this field used to be a purely theoretical endeavour, the landscape is now changing thanks mainly to new observational facilities such as the ALMA radio interferometer. Thanks to large improvements in spatial and spectral resolution and sensitivity (which have enabled the study of disc substructure, kinematics and surveys of large disc populations), multiple techniques have been devised to observationally measure the amount of turbulence in discs. This review summarises these techniques, ranging from attempts at direct detection of turbulence from line broadening, to more indirect approaches that rely on properties of the dust or consider the evolution of global disc properties (such as masses, radii and accretion rates) for large samples, and what their findings are. Multiple lines of evidence suggest that discs are in fact not as turbulent as thought one decade ago. On the other hand, direct detection of turbulence in some discs and the finite radial extent of dust substructures and in some cases the finite vertical extent strongly indicate that turbulence must be present at some level in proto-planetary discs. It is still an open question whether this amount of turbulence is enough to power accretion or if this is instead driven by other mechanisms, such as MHD winds.
description: 24 pages, 7 figures. Accepted for publication on New Astronomy Reviews; small changes following community feedback in v2
Rapid Oscillatory quintessence with variable equation of state parameter in non minimal derivative coupling model
Creators: name: Sadjadi, H. Mohseni
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The rapid oscillating scalar field is considered as the quintessence in the framework of nonminimal kinetic coupling model. The scalar field behaves like a perfect fluid with a variable equation of state parameter which can be expressed as a function of the Hubble parameter. This feature enables us to study its evolution via continuity equation. The scalar field may behave as dark energy in the present epoch, while it behaves like dark matter in the future. This characteristic allows the occurrence of a decelerated expansion after the present acceleration, without invoking any interaction. The model is also studied in the presence of an interaction between dark sectors alleviating the coincidence problem. The stability of the model is investigated and the stable attractor solutions are studied.
description: 19 pages, 7 figures, major revision
Estimating the prevalence of drawing in clinical practice among kiwi doctors
Creators: name: Kearns, Ciléin
name: Murton, Samantha
name: Oldfield, Karen
name: Anderson, Augustus
name: Eathorne, Allie
name: Beasley, Richard
name: Nacey, John
name: Jaye, Chrystal
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Medicine
subject: Molecular Biology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Drawing has played a key role in the development and dissemination of Medicine and Surgery, such as to share anatomy, pathology, and techniques for clinical interventions. While many of the visuals used in medicine today are created by medical illustration professionals, and by imaging techniques such as photography and radiography; many doctors continue to draw routinely in their clinical practice. This is known to be valued by patients, for example when making informed decisions about care. We surveyed doctors in New Zealand online regarding their use of drawing to explore the prevalence of this practice. 472 complete responses were obtained over 3 months. There were very high rates of drawing among responding doctors practicing in both medical and surgical specialties. Reasons for drawing are explored and included professional, collegial, and patient communication, supporting informed consent, clinical documentation, and for planning procedures. Widespread use of drawing in clinical practice, almost non-existent training or support for this in digital workflows, and high interest in resources to develop clinical drawing skills, suggest unmet training needs for this practical clinical communication tool.