cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Synthesis and antimalarial potential of some novel quinoline-pyrazolopyridine derivatives
Creators: name: Saini, Deepika
name: Jain, Sandeep
name: Kumar, Ajay
name: Jain, Neelam
Publisher: name: Technische Universität Dortmund
Year: 2016
Subjects: subject: quinoline
subject: pyrazolopyridine
subject: cyanopyridine
subject: antimalarial activity
subject: Plasmodium
subject: 610

description: A series of 1-(4-methylquinolin-2-yl)-4,6-diaryl-1H-pyrazolo[3,4-b]pyridin-3-amine derivatives was synthesized by the reaction of 3-cinnamoyl-4-hydroxy-6-methyl-2H-pyran-2-ones with 2-chloro-4,6-diphenylnicotinonitrile analogues in the presence of 2-hydrazino-4-methyl quinoline and ethanol. The newly synthesized compounds were characterized by IR, 1H NMR and mass spectral data. The synthetic series of novel quinolinepyrazolopyridine hybrids were screened for in vitro schizont maturation assay against chloroquine sensitive 3D7 strain of Plasmodium falciparum, from which the most five active analogues were further evaluated for in vivo 4-day suppressive test in Swiss albino mice. Among the series, 5p (containing 4-Cl substituent attached to both aryl ring) portrayed considerable potent antimalarial activity during in vitro as well as in vivo study
description: EXCLI Journal;Vol. 15, 2016
Heinz-Mohr, Gerd: Christsein in Kommunitäten
Creators: name: Schulz, Otmar
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 18 Nr. 2 (1969): Ökumenische Rundschau, Band 18, Heft 2
A Cyclic Proof System for HFLN
Creators: name: Kori, Mayuko
name: Tsukada, Takeshi
name: Kobayashi, Naoki
Publisher: name: arXiv
Year: 2020
Subjects: subject: Logic in Computer Science (cs.LO)
subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences
subject: 03B70

description: A cyclic proof system allows us to perform inductive reasoning without explicit inductions. We propose a cyclic proof system for HFLN, which is a higher-order predicate logic with natural numbers and alternating fixed-points. Ours is the first cyclic proof system for a higher-order logic, to our knowledge. Due to the presence of higher-order predicates and alternating fixed-points, our cyclic proof system requires a more delicate global condition on cyclic proofs than the original system of Brotherston and Simpson. We prove the decidability of checking the global condition and soundness of this system, and also prove a restricted form of standard completeness for an infinitary variant of our cyclic proof system. A potential application of our cyclic proof system is semi-automated verification of higher-order programs, based on Kobayashi et al.'s recent work on reductions from program verification to HFLN validity checking.
description: 27 pages
Spectral Properties of Interstellar Turbulence via Velocity Channel Analysis
Creators: name: Pogosyan, Dmitri
name: Lazarian, Alex
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In this presentation we review the link between the statistics of intensity fluctuations in spectral line data cubes with underlying statistical properties of turbulence in the interstellar medium. Both the formalism of Velocity Channel Analysis for optically thin lines and its extension to the lines with self-absorption is described. We demonstrate that by observing optically thin lines from cold gas in sufficiently narrow (thin) velocity channels one may recover the scaling of the stochastic velocities from turbulent cascade, in particular, Kolmogorov velocities give $K^{-2.7}$ contribution to the intensity power spectrum. Synthetically increasing the channel thickness separates out the underlying density inhomogeneities of the gas. Effects of self absorption, on the other hand, retain the velocity signature even for integrated lines. As a result, intensity fluctuations tend to show universal but featureless scaling of the power $\propto K^{-3}$ over the range of scales.
description: 12 pages, 1 figure. To appear in: "Magnetic fields in the Universe", eds. E. M. de Gouveia Dal Pino, A. Lazarian & G. Lugones. Angra dos Reis, Brazil Nov. 23 - Dec 3, 2004
title: Efficacy of antioxidant in idiopathic pulmonary fibrosis
title: a systematic review and meta-analysis
titleType: AlternativeTitle
Creators: name: Kandhare, Amit D.
name: Mukherjee, Anwesha
name: Ghosh, Pinaki
name: Bodhankar, Subhash L.
Publisher: name: Technische Universität Dortmund
Year: 2016
Subjects: subject: antioxidant
subject: meta-analysis
subject: idiopathic pulmonary fibrosis
subject: vital capacity
subject: carbon monoxide diffusing capacity
subject: 610

description: Idiopathic pulmonary fibrosis (IPF) is a chronic oxido-inflammatory disorder of the lung. Oxidative stress is widely recognized as a central feature of IPF. Antioxidant therapy has been proposed as an effective treatment for IPF. An array of clinical trials describing the therapeutic impact of these drugs have been reporting albeit with conflicting evidence points. We performed a meta-analysis of trials in which efficacy of antioxidant therapy was compared with control in IPF. Systematic literature search was conducted in PubMed, EMBASE, the Cochrane Library, CPCI-S (Conference Proceedings Citation Index-Science), ICTRP (International Clinical Trials Registry Platform), and Google Scholar till June 2016 by two independent researchers. Various outcomes such as changes in pulmonary function tests (change in vital capacity [ΔVC], change in forced vital capacity [ΔFVC], change in percentage of predicted vital capacity [Δ%VC], and change in percentage of predicted carbon monoxide diffusing capacity [Δ%DLco]), changes in 6 minutes walking test distance (Δ6MWT), rates of adverse events, and rates of death, were included. All statistical analyses were performed using RevMan V.5.3.Twelve studies (n = 1062) were identified that used antioxidants (N-acetylcysteine and lecithinized superoxide dismutase) as a treatment for IPF. Overall, there was no association of antioxidant therapy with ΔFVC (SMD = 0.27, 95% CI:-0.07 to 0.61; P = 0.12), ΔFVC (%) (SMD = -0.10, 95% CI:-0.56 to 0.36; P = 0.66) and 6MWT (SMD = -0.04, 95% CI:-0.11 to 0.20; P = 0.59) in IPF patients. However, combined antioxidant therapy was found to be associated with %VC (SMD = 0.37, 95% CI: 0.09 to 0.64; P = 0.008) and Δ%DLco (SMD = 0.15, 95% CI: 0.00 to 0.29; P = 0.05) in IPF patients. Strong evidence was obtained that the antioxidants increased adverse effects adverse events (OR = 1.56, 95% CI: 0.75 to 3.24; P = 0.23) but it did not associate mortality (OR = 0.96, 95% CI: 0.44 to 2.11; P = 0.92). The use of significant clinical heterogeneity, low statistical power, high dropout rates, duration of follow-ups, and dosing regimens of antioxidant agents. Combined antioxidant therapy seems to be a safe and effective therapy for IPF patients which provides a more beneficial effect in terms of VC, and DLco rather than monotherapy. Further randomized controlled trials with homogeneous outcome measures are needed.
description: EXCLI Journal;Vol. 15, 2016
Search in Complex Networks : a New Method of Naming
Creators: name: Carmi, Shai
name: Cohen, Reuven
name: Dolev, Danny
Publisher: name: arXiv
Year: 2006
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: We suggest a method for routing when the source does not posses full information about the shortest path to the destination. The method is particularly useful for scale-free networks, and exploits its unique characteristics. By assigning new (short) names to nodes (aka labelling) we are able to reduce significantly the memory requirement at the routers, yet we succeed in routing with high probability through paths very close in distance to the shortest ones.
description: 5 pages, 4 figures
Single-source, solvent-free, room temperature deposition of black $γ$-CsSnI$_3$ films
Creators: name: Kiyek, Vivien M.
name: Birkhölzer, Yorick A.
name: Smirnov, Yury
name: Ledinsky, Martin
name: Remes, Zdenek
name: Momand, Jamo
name: Kooi, Bart J.
name: Koster, Gertjan
name: Rijnders, Guus
name: Morales-Masis, Monica
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The presence of a non-optically active polymorph (yellow-phase) competing with the optically active polymorph (black $γ$-phase) at room temperature in CsSnI3 and the susceptibility of Sn to oxidation, represent two of the biggest obstacles for the exploitation of CsSnI3 in optoelectronic devices. Here room-temperature single-source in vacuum deposition of smooth black $γ$ - CsSnI3 thin films is reported. This has been done by fabricating a solid target by completely solvent-free mixing of CsI and SnI2 powders and isostatic pressing. By controlled laser ablation of the solid target on an arbitrary substrate at room temperature, the formation of CsSnI3 thin films with optimal optical properties is demonstrated. The films present a band gap of 1.32 eV, a sharp absorption edge and near-infrared photoluminescence emission. These properties and X-ray diffraction of the thin films confirmed the formation of the orthorhombic (B-$γ$) perovskite phase. The thermal stability of the phase was ensured by applying in situ an Al2O$_3$ capping layer. This work demonstrates the potential of pulsed laser deposition as a volatility-insensitive single-source growth technique of halide perovskites and represents a critical step forward in the development and future scalability of inorganic lead-free halide perovskites.
description: Accepted by Advanced Materials Interfaces, 16 pages, 4 figures, and supplement
title: Peritoneal tuberculosis with elevated CA-125 mimicking ovarian cancer with carcinomatosis peritonei
title: crucial CT findings
titleType: AlternativeTitle
Creators: name: Chie, Jerry Chin-Wei
name: Fang, Chia-Lang
name: Chan, Wing P.
Publisher: name: Technische Universität Dortmund
Year: 2016
Subjects: subject: carcinomatosis peritonei
subject: computed tomography (CT)
subject: ovarian cancer
subject: peritoneum
subject: tuberculosis
subject: 610

description: Preoperative diagnosis of peritoneal tuberculosis is often difficult because of confusion with ovarian cancer. A 56-year-old woman was admitted to our hospital with abdominal fullness. Ascites, prominent bilateral ovaries, and elevated CA-125 were noted. Computed tomography showed thickened peritoneum and strandings in the mesentery and omentum. Exploratory laparotomy was performed under the provisional diagnosis of ovarian cancer, but the final diagnosis was peritoneal tuberculosis. Careful evaluation of bilateral fallopian tubes and ovaries and peritoneum are helpful for correct diagnosis.
description: EXCLI Journal;Vol. 15, 2016
Time-localized projectors in String Field Theory with E-field
Creators: name: Maccaferri, C.
name: Santos, R. J. Scherer
name: Tolla, D. D.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We extend the analysis of hep-th/0409063 to the case of a constant electric field turned on the worldvolume and on a transverse direction of a D-brane. We show that time localization is still obtained by inverting the discrete eigenvalues of the lump solution. The lifetime of the unstable soliton is shown to depend on two free parameters: the b-parameter and the value of the electric field. As a by-product, we construct the normalized diagonal basis of the star algebra in $B_{μν}$-field background.
description: 27 +1 pages, v2: references added, typos corrected
Wartime ideology and the American animated cartoon
Creators: name: Ting, Elle Kwok-Yin
Publisher: name: University of British Columbia
Year: 2009

description: The animated film serves as a means for interrogating the political and social ideologies which influenced its development; features of its construction and aesthetics also gesture towards the historical and psychological factors affecting its production, albeit indirectly. This paper investigates the use of the animated cartoon as a medium for transmitting propaganda in America during the Second World War between the years 1941 and 1945; specifically, it examines the animated cartoon as documentation of homefront psychology in the Second World War, and includes an historical overview of Hollywood animation in addition to a critical analysis of both the cartoon propaganda aesthetic and the psychological factors shaping the design and dissemination of propaganda in entertainment media. The animated cartoon is positioned as a favourable focal point for the re-examination of popular wartime productions as propaganda as well as an entry point for examining presuppositions regarding the efficacy of mass entertainment as a pedagogical tool.
Το ηλεκτρονικό επιχειρείν - e-Logistics ως παράγοντας επιχειρηματικής επιτυχίας σε επιχείρηση εμπορίας ανταλλακτικών αυτοκινήτων
Creators: name: Κοντζινός, Κωνσταντίνος
Publisher: name: Πανεπιστήμιο Πειραιώς
Year: 2020
Subjects: subject: e-Logistics
subject: Ηλεκτρονικό επιχειρείν
subject: Ανταλλακτικά αυτοκινήτων
subject: e-Business

description: Η παρούσα εργασία ασχολείται με τις λειτουργίες της ηλεκτρονικής εφοδιαστικής αλυσίδας και του ηλεκτρονικού επιχειρείν. Ελέγχει το κατά πόσο οι λειτουργίες αυτές συμβάλουν στην ανάπτυξη και την επιτυχία των εταιρειών εμπορίας ανταλλακτικών αυτοκινήτων. Γίνεται περιγραφή των νέων αυτών λειτουργιών και ανάλυση χρηματοοικονομικών δεικτών. Οι δείκτες που αναλύονται είναι ο δείκτης κύκλου εργασιών αποθέματος, ο δείκτης κύκλου εργασιών, και ο δείκτης κύκλου εργασιών εισπρακτέων λογαριασμών. Οι εταιρείες του κλάδου που αναλύονται είναι η Volkswagen, η PSA Group, η Honda, και η Toyota. Η εξεταζόμενη περίοδος είναι τα τελευταία δέκα χρόνια.
Statistics of turbulence via polarimetry: alignment of grains and atoms
Creators: name: Lazarian, A.
name: Yan, Huirong
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Most astrophysical fluids are turbulent and magnetized. Fluctuations of polarization provide a promising way to study astrophysical magnetic turbulence. We discuss polarization that arises from grains and atoms aligned in respect to magnetic field, describe the processes of alignment, explain when the alignment reflects the direction of magnetic field. We show that temporal fluctuations of interplanetary magnetic field can be studied using aligned sodium atoms.
description: 11 pages, two figures, review at the conference: Magnetic Fields in the Universe, Brazil, 2004
Threshold for monotone symmetric properties through a logarithmic Sobolev inequality
Creators: name: Rossignol, Raphaël
Publisher: name: arXiv
Year: 2005
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60F20 (Primary) 28A35, 60E15 (Secondary)

description: Threshold phenomena are investigated using a general approach, following Talagrand [Ann. Probab. 22 (1994) 1576--1587] and Friedgut and Kalai [Proc. Amer. Math. Soc. 12 (1999) 1017--1054]. The general upper bound for the threshold width of symmetric monotone properties is improved. This follows from a new lower bound on the maximal influence of a variable on a Boolean function. The method of proof is based on a well-known logarithmic Sobolev inequality on $\{0,1\}^n$. This new bound is shown to be asymptotically optimal.
description: Published at http://dx.doi.org/10.1214/009117906000000287 in the Annals of Probability (http://www.imstat.org/aop/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Crystal chemistry criteria of the existence of spin liquids on the kagome lattice
Creators: name: Volkova, L. M.
name: Marinin, D. V.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The structural-magnetic models of 25 AFM kagome cuprates similar to herbertsmithite (ZnCu3(OH)6Cl2) - a perspective spin liquid - have been calculated and analyzed. Main correlations between the structure and magnetic properties of these compounds were revealed. It has been demonstrated that, in all AFM kagome cuprates, including herbertsmithite, there exists the competition between the exchange interaction and the antisymmetric anisotropic exchange one (the Dzyaloshinskii-Moriya interaction), as magnetic ions are not linked to the center of inversion in the kagome lattice. This competition is strengthened in all the kagome AFM, except herbertsmithite, by one more type of the anisotropy (duality) of the third in length J3 magnetic couplings (strong J3(J12) next-to-nearest-neighbor couplings in linear chains along the triangle edges and very weak FM or AFM J3(Jd) couplings along the hexagon diagonals). The above couplings are crystallographically identical, but are divided to two types of different in strength magnetic interactions. The existence of duality of J3 couplings originated from the structure of the kagome lattice itself. Only combined contributions of dual J3 couplings with anisotropic DM interactions are capable to suppress frustration of kagome AFM. It has been demonstrated that the possibility of elimination of such a duality in herbertsmithite, which made it a spin liquid, constitutes a rare lucky event in the kagome system. Three crystal chemistry criteria of the existence of spin liquids on the kagome lattice have been identified: first, the presence of frustrated kagome lattices with strong dominant antiferromagnetic nearest-neighbor J1 couplings competing only with each other in small triangles; second, magnetic isolation of these frustrated kagome lattices; and third, the absence of duality of the third in length J3 magnetic couplings.
description: 50 pages, 20 figures, and 5 tables. Published in J.Phys.: Condens.Matter
Pattern reconstruction and sequence processing in feed-forward layered neural networks near saturation
Creators: name: Metz, F. L.
name: Theumann, W. K.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: The dynamics and the stationary states for the competition between pattern reconstruction and asymmetric sequence processing are studied here in an exactly solvable feed-forward layered neural network model of binary units and patterns near saturation. Earlier work by Coolen and Sherrington on a parallel dynamics far from saturation is extended here to account for finite stochastic noise due to a Hebbian and a sequential learning rule. Phase diagrams are obtained with stationary states and quasi-periodic non-stationary solutions. The relevant dependence of these diagrams and of the quasi-periodic solutions on the stochastic noise and on initial inputs for the overlaps is explicitly discussed.
description: 9 pages, 7 figures
The aryl hydrocarbon receptor in T cells contributes to sustaining oral tolerance against ovalbumin in a mouse model
Creators: name: Biljes, Daniel
name: Hammerschmidt-Kamper, Christiane
name: Merches, Katja
name: Esser, Charlotte
Publisher: name: Technische Universität Dortmund
Year: 2017
Subjects: subject: OT
subject: Aryl hydrocarbon receptor
subject: T cells
subject: Mouse
subject: Mucosal immunology
subject: 610

description: Oral tolerance (OT) towards antigens encountered in the gut is a vital immune function of gut immunity. Experimental models can demonstrate OT efficacy by feeding of a protein followed by peripheral immunization and measuring the specific antibody titer. We had previously shown that exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a xenobiotic high-affinity aryl hydrocarbon receptor (AhR)-ligand, destabilized OT against ovalbumin (OVA) in mice. AhR is involved in the development, differentiation and function of immune cells, and highly expressed in gut epithelial cells and gut immune cells. We here used AhR-deficient mice to study the role of AhR in OT further. We show that complete AhR-deficiency undermines the stability of oral tolerance against OVA upon multiple immunizations, despite no renewed oral encounter with the antigen. This OT destabilization is accompanied by significant changes in IL10 and TGFß RNA in the gut tissue. Using conditional AhR-deficient mouse lines, we identify T cells as the major responsible immune cell type in this context. Our findings add to knowledge that lack of AhR signaling in the gut impairs important gut immune functions.
description: EXCLI Journal;Vol. 16 2017
Double-Side Cocatalytic Activation of Anodic TiO$_2$ Nanotube Membranes with Sputter-Coated Pt for Photocatalytic H$_2$ Generation from Water-Ethanol Mixtures
Creators: name: Cha, Gihoon
name: Altomare, Marco
name: Nguyen, Nhat Truong
name: Taccardi, Nicola
name: Lee, Kiyoung
name: Schmuki, Patrik
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Self-standing TiO$_2$ nanotube layers in the form of membranes are fabricated by self-organizing anodization of Ti metal and a potential shock technique. The membranes were then decorated by sputtering different Pt amounts i) only at the top, ii) only at the bottom or iii) at both top and bottom of the tube layers. The Pt-decorated membranes are transferred either in tube top up or in tube top down configuration onto FTO slides and investigated after crystallization as photocatalysts for H$_2$ generation using either front or back-side light irradiation. Double-side Pt-decoration of the tube membranes leads to higher H$_2$ generation rates (independent of tube and light irradiation configuration) compared to membranes decorated at only one side with similar overall Pt amounts. The results suggest that this effect is not ascribed to the overall amount of Pt cocatalyst as such but rather to its distribution at both tube extremities. This leads to optimized light absorption and electron diffusion/transfer dynamics: the central part of the membranes act as light harvesting zone and electrons therein generated can diffuse towards the Pt/TiO$_2$ active zones (tube extremities) where they can react with the environment and generate H$_2$ gas.
Effect of melatonin supplemented at the light or dark period on recovery of sciatic nerve injury in rats
Creators: name: Rateb, Enas Ezzat
name: Amin, Shaimaa Nasr
name: El-Tablawy, Nashw
name: Rashed, Laila Ahmed
name: El-Attar, Samah
Publisher: name: Technische Universität Dortmund
Year: 2017
Subjects: subject: Melatonin
subject: nerve injury
subject: SFI
subject: NCV
subject: 610

description: Peripheral nerve injuries can cause disabilities, social or economic problems. Melatonin, the secretory product of the pineal gland has antioxidant and anti-inflammatory actions. The aim of the present study was to investigate the effect of melatonin on the recovery of sciatic nerve after injury, comparing its effect when given in the light or the dark periods. Forty adult male Albino rats were allocated into four groups: control, nerve injury, nerve injury + melatonin given at light and nerve injury + melatonin given at dark. Nerve injury was initiated by clamping the sciatic nerve. Sciatic functional index (SFI) was measured preoperatively and postoperatively. Melatonin was given daily for six weeks. Recovery of the function was analyzed by functional analysis, electrophysiological analysis and biochemical measurement of Superoxide dismutase (SOD), Interleukin 1-beta (IL-1 β), Nerve growth factor (NGF), and bcl-2. Melatonin improved SFI, nerve conduction velocity (NCV) and the force of gastrocnemius muscle contraction as compared to the untreated rats. SOD activity, NGF, and bcl-2 were significantly increased, while IL-1β was significantly decreased after melatonin treatment as compared to the untreated injury group. SFI reached the control level; muscle contraction and IL-1B were significantly improved in the group treated with melatonin in the dark. Melatonin fastened the neural recovery and may be used in the treatment of nerve injury and it induced better nerve regeneration when the rats were treated during the dark period.
description: EXCLI Journal;Vol. 16 2017
Advances towards a General-Purpose Societal-Scale Human-Collective Problem-Solving Engine
Creators: name: Rodriguez, Marko
Publisher: name: arXiv
Year: 2005
Subjects: subject: Computers and Society (cs.CY)
subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences
subject: H.1.2; H.4.2; H.5.3

description: Human collective intelligence has proved itself as an important factor in a society's ability to accomplish large-scale behavioral feats. As societies have grown in population-size, individuals have seen a decrease in their ability to activeily participate in the problem-solving processes of the group. Representative decision-making structures have been used as a modern solution to society's inadequate information-processing infrastructure. With computer and network technologies being further embedded within the fabric of society, the implementation of a general-purpose societal-scale human-collective problem-solving engine is envisioned as a means of furthering the collective-intelligence potential of society. This paper provides both a novel framework for creating collective intelligence systems and a method for implementing a representative and expertise system based on social-network theory.
description: Collective Problem Solving Theory and Social-Network algorithm
Flow and structure in nonequilibrium Brownian many-body systems
Creators: name: Heras, Daniel de las
name: Schmidt, Matthias
Publisher: name: arXiv
Year: 2020
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We present a fundamental classification of forces relevant in nonequilibrium structure formation under collective flow in Brownian many-body systems. The internal one-body force field is systematically split into contributions relevant for the spatial structure and for the coupled motion. We demonstrate that both contributions can be obtained straightforwardly in computer simulations, and present a power functional theory that describes all types of forces quantitatively. Our conclusions and methods are relevant for flow in inertial systems, such as molecular liquids and granular media.
Study of the cytotoxic effects of 2,5-diaziridinyl-3,6-dimethyl-1,4-benzoquinone (MeDZQ) in mouse hepatoma cells
Creators: name: Jarasiene-Burinskaja, Rasa
name: Alksne, Milda
name: Bartuskiene, Violeta
name: Voisniene, Violeta
name: Burinskij, Jaroslav
name: Cenas, Narimantas
name: Bukelskiene, Virginija
Publisher: name: Technische Universität Dortmund
Year: 2017
Subjects: subject: aziridinylbenzoquinones
subject: cytotoxicity
subject: cell signaling
subject: cell death
subject: MeDZQ
subject: 610

description: A number of quinones have been shown to be efficient anticancer agents. However, some mechanisms of their action, in particular cell signaling are not well understood. The aim of this study was to partly fill this gap by characterizing the mode of cytotoxicity of 2,5-diaziridinyl-3,6-dimethyl-1,4-benzoquinone (MeDZQ) in malignant mouse hepatoma cells (MH-22A) with regard to the expression and activation of main molecules in MAPK cell signaling pathway. The study revealed unequal roles of MAP kinases in MeDZQ-induced cell death: the compound did not induce significant changes in ERK expression or its phosphorylation; JNK appeared to be responsible for cell survival, however, p38 kinase was shown to be involved in cell death. In order to assess the enzymatic activation mechanisms responsible for the action of MeDZQ, we have also found that the antioxidant N,N'-diphenyl-pphenylene diamine, the iron-chelating agent desferrioxamine, and DT-diaphorase inhibitor, dicoumarol, partly protected the cells from MeDZQ cytotoxicity. It points to parallel oxidative stress and bioreductive alkylation modes of the cytotoxicity of MeDZQ.
description: EXCLI Journal;Vol. 16 2017
Astrophysical Implications of Turbulent Reconnection: from cosmic rays to star formation
Creators: name: Lazarian, A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Turbulent reconnection allows fast magnetic reconnection of astrophysical magnetic fields. This entails numerous astrophysical implications and opens new ways to approach long standing problems. I briefly discuss a model of turbulent reconnection within which the stochasticity of 3D magnetic field enables rapid reconnection through both allowing multiple reconnection events to take place simultaneously and by restricting the extension of current sheets. In fully ionized gas the model in Lazarian and Vishniac 99 predicts reconnection rates that depend only on the intensity of turbulence. In partially ionized gas a modification of the original model in Lazarian, Vishniac and Cho 04 predicts the reconnection rates that, apart from the turbulence intensity depend on the degree of ionization. In both cases the reconnection may be slow and fast depending on the level of turbulence in the system. As the result, the reconnection gets bursty, which provides a possible explanation to Solar flares and possibly to gamma ray busts. The implications of the turbulent reconnection model have not been yet studied in sufficient detail. I discuss first order Fermi acceleration of cosmic ray that takes place as the oppositely directed magnetic fluxes move together. This acceleration would work in conjunction with the second order Fermi acceleration that is caused by turbulence in the reconnection region. In partially ionized gas the stochastic reconnection enables fast removal of magnetic flux from star forming molecular clouds.
description: 12 pages, 3 figures, invited review for "Magnetic Fields in the Universe: from laboratory and stars to Primordial Structures
The missing metals problem: II. How many metals are in z ~ 2.2 galaxies?
Creators: name: Bouche, N.
name: Lehnert, M. D.
name: Peroux, C.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In the context of the ``missing metals problem'', the contributions of the UV-selected z=2.2 ``BX'' galaxies and z=2.5 ``distant red galaxies'' (DRGs) have not been discussed previously. Here we show that: (i) DRGs only make a marginal contribution to the metal budget (~ 5%); (ii) BX galaxies contribute as much as 18% to the metal budget; and (iii) the K-bright subsample ($K<20$) of the BX sample (roughly equivalent to the `BzK' selected samples) contributes roughly half of this 18%, owing both to their larger stellar masses and higher metallicities, implying that the rare K-bright galaxies at z>2 are a major source of metals in the budget. We showed in the first paper of this series that submm galaxies (SMGs) brighter than 3 mJy contribute ~5% (<9% as an upper limit) to the metal budget. Adding the contribution of SMGs and damped Ly-alpha absorbers, to the contribution of UV selected galaxies, implies that at least 30% of the metals (in galaxies) have been accounted for at z=2. The cosmic metal density thus accounted for is ~ 1.3\times 10^6 \rhosun. This is a lower limit given that galaxies on the faint-end of the luminosity function are not included. An estimate of the distribution of metals in local galaxies as a function luminosity suggests that galaxies with luminosity less than L^{\star}$ contribute about half of the total mass of metals. If the metals in galaxies at z ~ 2 are similarly distributed then faint galaxies alone cannot solve the `missing metals problem.' Galaxy populations at z ~ 2 only account for about 50% of the total metals predicted.
description: 4 pages, 1 figure, accepted for publication in MNRAS Letters; small changes to match the published text
Long-range interactions between dark-matter particles in a model with a cosmological, spontaneously-broken chiral symmetry
Creators: name: Barshay, Saul
name: Kreyerhoff, Georg
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In a cosmological model with a chiral symmetry, there are two, dynamically-related spin-zero fields, a scalar $ϕ$ and a pseudoscalar $b$. These fields have self-interactions. Spontaneous symmetry breaking results in a very massive scalar particle with $m_ϕ\cong 5 \times 10^{11}\GeV$, and a nearly massless, (Goldstone-like) pseudoscalar particle with $0< m_b
description: 8 pages, 1 figure. Appendix added
Η ρωσική εξωτερική πολιτική στην Ευρασία
Creators: name: Ιατρίδης, Πάνος
Publisher: name: Πανεπιστήμιο Πειραιώς
Year: 2020
Subjects: subject: Ρωσία
subject: Ρωσική Ομοσπονδία
subject: Ρωσική εξωτερική πολιτική
subject: Ευρασία
subject: Κρεμλίνο
subject: Μόσχα
subject: Ευρασιατική Ένωση

description: Στη διατριβή εξετάζεται η ρωσική εξωτερική πολιτική στην ευρύτερη περιοχή της Ευρασίας, μετά το τέλος του Ψυχρού Πολέμου. Αναλύονται οι σημαντικότερες πρωτοβουλίες που έχουν ληφθεί από τη σύγχρονη Ρωσία σε αυτή την εξαιρετικής γεωπολιτικής σημασίας περιοχή του πλανήτη και αξιολογείται η σημασία τους, τόσο για την ίδια τη Ρωσία, όσο και για το διεθνές σύστημα συνολικά.
Rare Decay of the Top t -> cgg in the Standard Model
Creators: name: Eilam, Gad
name: Frank, Mariana
name: Turan, Ismail
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We calculate the one-loop flavor changing neutral current top quark decay t -> cgg in the Standard Model. We demonstrate that the rate for t -> cgg exceeds the rate for a single gluon emission t -> cg by about two orders of magnitude, while the rate for t -> cq barq (q=u) is slightly smaller than for t -> cg.
description: 22 pages, 4 figures and 2 tables. Typo in Eq.2.1 corrected, text slightly modified, references added. Version to appear in Phys.Rev.D
The interactions among B2-glycoprotein I, natural anticoagulants, and complement : significance for the antiphospholipid syndrome
Creators: name: Sim, Derek Shu Kay
Publisher: name: University of British Columbia
Year: 2009

description: Antiphospholipid syndrome (APS) patients are predisposed to recurrent thrombosis and miscarriages. Elevated levels of complement activation have also been demonstrated. A major antigenic target of antiphospholipid autoantibodies (aPL) is β2- glycoprotein I (β2GPI). Impairments of anticoagulation by aPL have been demonstrated; however, the mechanism is unclear. Also, the in vivo functions o f β2GPI in the coagulation and complement systems remain to be established. Therefore, the effects of aPL on the interactions among β2GPI, anticoagulation, and complement system were studied. β2GPI interacted with two anticoagulant proteins, activated protein C (APC) and protein S. β2GPI inhibited total APC activity by competing with APC for the phospholipids. However, β2GPI potentiated APC specific activity on phosphatidylethanolamine and phosphatidylserine. Therefore, β2GPI appeared to inhibit as well as to enhance APC. β2GPI also interacted with protein S and C4b-binding protein (C4BP), a complement regulator. C4BP and protein S circulate as a complex in blood. Analyses of the interactions among β2GPI, protein S, and C4BP showed that oxidized surface-bound β2GPI prevented protein S binding to C4BP by competing for the β-chain on C4BP. Also, β2GPI interacted with protein S when β2GPI was not occupied by C4BP. Thus, β2GPI may have a role in maintaining the free protein S level. Besides C4BP, β2GPI also interacted with another complement protein, mannose-binding lectin (MBL). MBL is a complement activator. Their interactions led to weak in vitro complement activation. Interactions of oxidized surface-bound β2GPI with APC and protein S were inhibited by aPL. Also, aPL inhibited the total APC activity on a phosphatidylserine surface by increasing β2GPI deposition. However, this was accompanied by an increase in APC specific activity. Therefore, aPL appeared to inhibit as well as enhance anticoagulation activity. Antiphospholipid antibodies inhibited C4BP and enhanced MBL binding to β2GPI. These observations suggest that aPL can promote complement activation. This possibility was further supported by the observation of in vitro complement activation by a PL in patients' plasma. Therefore, β2GPI may normally interact with APC, protein S, C4BP, and MBL to regulate anticoagulation and complement activation. However, aPL may interfere with these protein interactions, and thereby disrupt the anticoagulation mechanism and elevate complement activation.
Relaxation times do not capture logical qubit dynamics
Creators: name: Pal, Amit Kumar
name: Schindler, Philipp
name: Erhard, Alexander
name: Rivas, Ángel
name: Martin-Delgado, Miguel-Angel
name: Blatt, Rainer
name: Monz, Thomas
name: Müller, Markus
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum error correction procedures have the potential to enable faithful operation of large-scale quantum computers. They protect information from environmental decoherence by storing it in logical qubits, built from ensembles of entangled physical qubits according to suitably tailored quantum error correcting encodings. To date, no generally accepted framework to characterise the behaviour of logical qubits as quantum memories has been developed. In this work, we show that generalisations of well-established figures of merit of physical qubits, such as relaxation times, to logical qubits fail and do not capture dynamics of logical qubits. We experimentally illustrate that, in particular, spatial noise correlations can give rise to rich and counter-intuitive dynamical behavior of logical qubits. We show that a suitable set of observables, formed by code space population and logical operators within the code space, allows one to track and characterize the dynamical behaviour of logical qubits. Awareness of these effects and the efficient characterisation tools used in this work will help to guide and benchmark experimental implementations of logical qubits.
description: 15 pages, 6 figures
Constant Curvature Algebras and Higher Spin Action Generating Functions
Creators: name: Hallowell, Karl
name: Waldron, Andrew
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: The algebra of differential geometry operations on symmetric tensors over constant curvature manifolds forms a novel deformation of the sl(2,R) [semidirect product] R^2 Lie algebra. We present a simple calculus for calculations in its universal enveloping algebra. As an application, we derive generating functions for the actions and gauge invariances of massive, partially massless and massless (for both bose and fermi statistics) higher spins on constant curvature backgrounds. These are formulated in terms of a minimal set of covariant, unconstrained, fields rather than towers of auxiliary fields. Partially massless gauge transformations are shown to arise as degeneracies of the flat, massless gauge transformation in one dimension higher. Moreover, our results and calculus offer a considerable simplification over existing techniques for handling higher spins. In particular, we show how theories of arbitrary spin in dimension d can be rewritten in terms of a single scalar field in dimension 2d where the d additional dimensions correspond to coordinate differentials. We also develop an analogous framework for spinor-tensor fields in terms of the corresponding superalgebra.
description: 44 pages, LaTeX, 2 .eps figures
Thomä, Hedwig: Frauen unterwegs in die Zukunft
Creators: name: Leuze, Hildegard
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 18 Nr. 2 (1969): Ökumenische Rundschau, Band 18, Heft 2
Star Formation in Isolated Disk Galaxies. I. Models and Characteristics of Nonlinear Gravitational Collapse
Creators: name: Li, Yuexing
name: Mac Low, Mordecai-Mark
name: Klessen, Ralf S.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We model gravitational collapse leading to star formation in a wide range of isolated disk galaxies using a three-dimensional, smoothed particle hydrodynamics code. The model galaxies include a dark matter halo and a disk of stars and isothermal gas. Absorbing sink particles are used to directly measure the mass of gravitationally collapsing gas. They reach masses characteristic of stellar clusters. In this paper, we describe our galaxy models and numerical methods, followed by an investigation of the gravitational instability in these galaxies. Gravitational collapse forms star clusters with correlated positions and ages, as observed, for example, in the Large Magellanic Cloud. Gravitational instability alone acting in unperturbed galaxies appears sufficient to produce flocculent spiral arms, though not more organized patterns. Unstable galaxies show collapse in thin layers in the galactic plane; associated dust will form thin dust lanes in those galaxies, in agreement with observations. (abridged)
description: 49 pages, 22 figures, to appear in ApJ (July, 2005), version with high quality color images can be fond in http://research.amnh.org/~yuexing/astro-ph/0501022.pdf
title: Διαδικτυακός επεξεργαστής κειμένου με ενσωματωμένο προσαρμοστικό σύστημα διδασκαλίας
title: Web word processor with built-in adaptive teaching system
titleType: AlternativeTitle
Creators: name: Σπάχο, Γιάννης
Publisher: name: Πανεπιστήμιο Πειραιώς
Year: 2019
Subjects: subject: Προσαρμοστικό σύστημα διδασκαλίας
subject: Διδασκαλία βοηθούμενη από ηλεκτρονικό υπολογιστή
subject: Επεξεργαστής κειμένου

description: Ο σκοπός της διπλωματικής εργασίας είναι η ανάπτυξη ενός διαδικτυακού επεξεργαστή κειμένου, με ενσωματωμένο προσαρμοστικό σύστημα διδασκαλίας, για την εκμάθηση των λειτουργιών ενός επεξεργαστή κειμένου, με βάση τις ανάγκες και ιδιαιτερότητες κάθε χρήστη, ώστε η εκμάθηση να γίνει πιο αποδοτική και γρήγορη. Αφορά κάθε είδους χρήστη για κάθε επίπεδο γνώσεων. Συγκεκριμένα υπάρχει μια επιλογή που ονομάζεται εξάσκηση εφαρμογής, στο μενού του επεξεργαστή κειμένου η οποία δίνει την δυνατότητα στον χρήστη να δοκιμάσει τις γνώσεις του πάνω σε 10 τυχαίες ασκήσεις, βασισμένες σε λειτουργίες του επεξεργαστή κειμένου. Εάν ο χρήστης κάνει 2 λάθη στην σειρά, του δίνεται η δυνατότητα να δοκιμάσει μια ευκολότερη άσκηση, ώστε να πάρει μια ώθηση και να μπορεί μετά να λύσει την αρχική άσκηση. Επίσης σε κάθε λάθος, το πρόγραμμα ενημερώνει τον χρήστη για την κατηγορία του λάθους που έκανε, ώστε να πάρει μια ιδέα για το τι χρειάζεται για να περάσει με επιτυχία την άσκηση. Τέλος δίνεται η δυνατότητα στον χρήστη να δει τα συνολικά αποτελέσματα της προσπάθειας του και αναλυτικότερες πληροφορίες για τις πράξεις του, ώστε ο χρήστης να βελτιώσει και άλλο τις γνώσεις του με στόχο να χρησιμοποιεί στο τέλος με άνεση έναν επεξεργαστή κειμένου σε όσο το δυνατόν λιγότερο χρόνο. Η παρούσα εργασία αποτελεί μία πρώτη ολοκληρωμένη προσπάθεια για τη δημιουργία ενός συστήματος που θα προσφέρει όλες τις υπηρεσίες που αναφέρθηκαν παραπάνω. Η αφαιρετική μέθοδος που χρησιμοποιήθηκε για την υλοποίηση, που είχε ως αποτέλεσμα και τη μεγάλη παραμετροποίηση του συστήματος, την καθιστά ως βάση για την περαιτέρω ανάπτυξή του.
Lungs deposition and pharmacokinetic study of submicron budesonide particles in Wistar rats intended for immediate effect in asthma
Creators: name: Rauf, Abdul
name: Bhatnagar, Aseem
name: Sisodia, S. S.
name: Khar, Roop K.
name: Ahmad, Farhan J.
Publisher: name: Technische Universität Dortmund
Year: 2017
Subjects: subject: budesonide
subject: asthma
subject: submicron particles
subject: aerosolization
subject: lungs deposition
subject: pharmacokinetic
subject: 610

description: The purpose of the present investigation was to study the aerosolization, lungs deposition and pharmacokinetic study of inhalable submicron particles of budesonide in male Wistar rats. Submicron particles were prepared by antisolvent nanoprecipitation method and freeze-dried to obtain free flowing powder. The freeze-drying process yielded dry powder with desirable aerodynamic properties for inhalation therapy. An in-house model inhaler was designed to deliver medicine to lungs, optimized at dose level of 10 mg for 30 sec of fluidization. The in vitro aerosolization study demonstrates that submicron particles dissolve faster with improved aerosolization effect as compared to micronized budesonide. Both submicron and micron particles were compared for in vivo lungs dep- osition. The results showed that relatively high quantity of submicron particles reaches deep into the lungs as compared to micron particles. Most pronounced effect observed with submicron particles from pharmacokinetic parameters was the enhancement in peak plasma concentration (Cmax) by 28.85 %, and increase in area under concentration curve (AUC0–8h) by 30.33 % compared to micron sized particles. The results suggested that devel- oped submicronized formulation of budesonide can be used for pulmonary drug delivery for high deposition to deep lungs tissues.
description: EXCLI Journal;Vol. 16 2017
Ruys, Bé, Smolik, Josef: Stimmen aus der Kirche der CSSR
Creators: name: Kg.
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 18 Nr. 2 (1969): Ökumenische Rundschau, Band 18, Heft 2
Interactive visualization tools for spatial data & metadata
Creators: name: Antle, Alissa N.
Publisher: name: University of British Columbia
Year: 2009

description: In recent years, the focus of cartographic research has shifted from the cartographic communication paradigm to the scientific visualization paradigm. With this, there has been a resurgence of cognitive research that is invaluable in guiding the design and evaluation of effective cartographic visualization tools. The design of new tools that allow effective visual exploration of spatial data and data quality information in a resource management setting is critical if decision-makers and policy setters are to make accurate and confident decisions that will have a positive long-term impact on the environment. The research presented in this dissertation integrates the results of previous research in spatial cognition, visualization of spatial information and on-line map use in order to explore the design, development and experimental testing of four interactive visualization tools that can be used to simultaneously explore spatial data and data quality. Two are traditional online tools (side-by-side and sequenced maps) and two are newly developed tools (an interactive "merger" bivariate map and a hybrid o f the merger map and the hypermap). The key research question is: Are interactive visualization tools, such as interactive bivariate maps and hypermaps, more effective for communicating spatial information than less interactive tools such as sequenced maps? A methodology was developed in which subjects used the visualization tools to explore a forest species composition and associated data quality map in order to perform a range of map-use tasks. Tasks focused on an imaginary land-use conflict for a small region of mixed boreal forest in Northern Alberta. Subject responses in terms of performance (accuracy and confidence) and preference are recorded and analyzed. Results show that theory-based, well-designed interactive tools facilitate improved performance across all tasks, but there is an optimal matching between specific tasks and tools. The results are generalized into practical guidelines for software developers. The use of confidence as a measure of map-use effectiveness is verified. In this experimental setting, individual differences (in terms of preference, ability, gender etc.) did not significantly affect performance.