cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Dream-land with Classic Higgs field, Dimensional Reduction and all that
Creators: name: Shirkov, D. V.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: This text, on the one hand, is related to the talk delivered at the Conference "Gauge Fields. Yesterday, Today, Tomorrow", dedicated to the Andrej Slavnov 70th anniversary; on the other - in the form of a fairy tale - it summarizes some results of researches performed after this Fest, mainly due to discussion around the talk.
description: 9 pages, 8 figures, talk delivered at the International Conference "Gauge Fields. Yesterday, Today, Tomorrow" dedicated to the 70-th anniversary of Andrei Alekseevich Slavnov (January 19-24, 2010, Moscow, Russia)
Convergence Rates of Biased Stochastic Optimization for Learning Sparse Ising Models
Creators: name: Honorio, Jean
Publisher: name: arXiv
Year: 2012
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: We study the convergence rate of stochastic optimization of exact (NP-hard) objectives, for which only biased estimates of the gradient are available. We motivate this problem in the context of learning the structure and parameters of Ising models. We first provide a convergence-rate analysis of deterministic errors for forward-backward splitting (FBS). We then extend our analysis to biased stochastic errors, by first characterizing a family of samplers and providing a high probability bound that allows understanding not only FBS, but also proximal gradient (PG) methods. We derive some interesting conclusions: FBS requires only a logarithmically increasing number of random samples in order to converge (although at a very low rate); the required number of random samples is the same for the deterministic and the biased stochastic setting for FBS and basic PG; accelerated PG is not guaranteed to converge in the biased stochastic setting.
description: ICML2012
Additional file 1 of The working disadvantaged: the role of age, job tenure and disability in precarious work
Creators: name: Jetha, Arif
name: Ginis, Kathleen A. Martin
name: Selahadin Ibrahim
name: Gignac, Monique A. M.
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1: Table S1. Survey items used to assess precarious work in study participants with and without a disability.
Dominant shear bands observed in amorphous ZrCuAl nanowires under simulated compression
Creators: name: Xiao, Qiran
name: Sheng, H. W.
name: Shi, Yunfeng
Publisher: name: arXiv
Year: 2012
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We observed the formation of dominant shear bands in model ZrCuAl metallic glass (MG) nanowires (18-nm-long) in molecular dynamics simulations, which implies size-independent incipient plasticity in MG materials. The MG nanowires were prepared using the simulated casting technique to ensure proper relaxation of sample surfaces. Under uniaxial compression, shear bands initiate at the surfaces and lead to reduced icosahedral short-range order. The shear band formation is sensitive to sample thermal-history, which calls for careful consideration of sample preparation effects in both experimental and numerical studies of size-effect in MG samples.
description: 5 pages, 2 figures, to be appeared in MRS Communications
Hydrogenated graphene on the silicon dioxide surface
Creators: name: Havu, P.
name: Ijäs, M.
name: Harju, A.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Hydrogenation of graphene on the α-quartz (0001) SiO_2 substrate is studied, considering different surface terminations in order to take into account the amorphic nature of the material. Our ab initio calculations show that the formation of graphane by hydrogen adsorption on graphene is energetically favored on hydroxyl and oxygen terminated surfaces, whereas silicon termination and reconstruction of the oxygen termination hinder adsorption. Our results indicate that in order to fabricate graphane on SiO_2, it is beneficial to oxygenize the surface and saturate it with hydrogen. For the pristine graphene on the substrate, we find only marginal changes in the low-energy band structure for all surface terminations.
First principles study of electronic and structural properties of CuO
Creators: name: Himmetoglu, Burak
name: Wentzcovitch, Renata M.
name: Cococcioni, Matteo
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigate the electronic and structural properties of CuO, which shows significant deviations from the trends obeyed by other transition-metal monoxides. Using an extended Hubbard corrective functional, we uncover an orbitally ordered insulating ground state for the cubic phase of this material, which was expected but never found before. This insulating state results from a fine balance between the tendency of Cu to complete its d-shell and Hund's rule magnetism. Starting from the ground state for the cubic phase, we also study tetragonal distortions of the unit cell (recently reported in experiments), the consequent electronic reorganizations and identify the equilibrium structure. Our calculations reveal an unexpected richness of possible magnetic and orbital orders, relatively close in energy to the ground state, whose stability depends on the sign and entity of distortion.
description: 9 pages, 9 figures
Additional file 1 of Establishing a common metric for patient-reported outcomes in cancer patients: linking patient reported outcomes measurement information system (PROMIS), numerical rating scale, and patient-reported outcomes version of the common terminology criteria for adverse events (PRO-CTCAE)
Creators: name: Lee, Minji K.
name: Schalet, Benjamin D.
name: Cella, David
name: Yost, Kathleen J.
name: Dueck, Amy C.
name: Novotny, Paul J.
name: Sloan, Jeff A.
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Neuroscience
subject: Pharmacology
subject: Biotechnology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 1: Appendix A. Standardized Mean Differences by Gender and Age (
PSR J2030+3641: radio discovery and gamma-ray study of a middle-aged pulsar in the now identified Fermi-LAT source 1FGL J2030.0+3641
Creators: name: Camilo, F.
name: Kerr, M.
name: Ray, P. S.
name: Ransom, S. M.
name: Johnston, S.
name: Romani, R. W.
name: Parent, D.
name: DeCesar, M. E.
name: Harding, A. K.
name: Donato, D.
name: Parkinson, P. M. Saz
name: Ferrara, E. C.
name: Freire, P. C. C.
name: Guillemot, L.
name: Keith, M.
name: Kramer, M.
name: Wood, K. S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: In a radio search with the Green Bank Telescope of three unidentified low Galactic latitude Fermi-LAT sources, we have discovered the middle-aged pulsar J2030+3641, associated with 1FGL J2030.0+3641 (2FGL J2030.0+3640). Following the detection of gamma-ray pulsations using a radio ephemeris, we have obtained a phase-coherent timing solution based on gamma-ray and radio pulse arrival times that spans the entire Fermi mission. With a rotation period of 0.2 s, spin-down luminosity of 3e34 erg/s, and characteristic age of 0.5 Myr, PSR J2030+3641 is a middle-aged neutron star with spin parameters similar to those of the exceedingly gamma-ray-bright and radio-undetected Geminga. Its gamma-ray flux is 1% that of Geminga, primarily because of its much larger distance, as suggested by the large integrated column density of free electrons, DM=246 pc/cc. We fit the gamma-ray light curve, along with limited radio polarimetric constraints, to four geometrical models of magnetospheric emission, and while none of the fits have high significance some are encouraging and suggest that further refinements of these models may be worthwhile. We argue that not many more non-millisecond radio pulsars may be detected along the Galactic plane that are responsible for LAT sources, but that modified methods to search for gamma-ray pulsations should be productive -- PSR J2030+3641 would have been found blindly in gamma rays if only >0.8 GeV photons had been considered, owing to its relatively flat spectrum and location in a region of high soft background.
description: Accepted for publication in ApJ, 9 pages, 6 figures
Bonn Correlator Status
Creators: name: Choi, Yoon Kyung
name: Bernhart, Simone
name: Rottmann, Helge
name: Wagner, Jan
Publisher: name: Zenodo
Year: 2023

description: We report on the status of the Bonn Correlation Center focusing on geodesy.
 The Bonn Distributed FX (DiFX) correlator is operated jointly by the Max Planck Institute for Radio As- tronomy (MPIfR) in Bonn and the Federal Agency for Cartography and Geodesy (Bundesamt fu ̈r Kartographie und Geoda ̈sie, BKG). Various versions of DiFX software are used to correlate from IVS S/X legacy sessions to VGOS observations. As one of the IVS correlators we correlate Intensive series (INT3), R1 series as well as OHIG and T2 series for IVS S/X Legacy sessions and VGOS 24-hour sessions. Since October 2021, we upgraded to a commercial 10 Gbps link (NetCologne) for e-VLBI. In this talk, as well as technical aspects of the cluster and its performance, we summarize our duties as one of the IVS correlators and recent progress.
3D gravity with propagating torsion: the AdS sector
Creators: name: Blagojević, Milutin
name: Cvetković, Branislav
Publisher: name: arXiv
Year: 2012
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the general parity-preserving model of three-dimensional gravity with propagating torsion, with a focus on its nonlinear dynamics in the AdS sector. The model is shown to posses the black hole with torsion as a vacuum solution, provided we adopt certain restrictions on its coupling constants. The canonical analysis in the AdS asymptotic region yields the conserved charges of the black hole and the central charges of the asymptotic conformal symmetry.
description: LATEX, 20 pages
Formation and structure of vortex lattices in a rotating double-well Bose-Einstein condensate
Creators: name: Wen, Linghua
name: Luo, Xiaobing
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate the dynamics of vortex formation and the structure of vortex lattices in a Bose-Einstein condensate confined within a rotating double-well (DW) potential. The dynamical process is a formation process of "ghost" vortices, "hidden" vortices and "visible" vortices. The critical rotation frequency for the creation of visible vortex is indicated by a sudden jump in the angular momentum evolution and an inflexion in the energy evolution. Different visible vortex structures can be formed by ruling the rotation frequency. In particular, structural change of visible vortex patterns can be achieved by regulating the anisotropy parameter of the DW potential. This feature allows to flexibly control the distribution of angular momentum in macroscopic quantum systems and study the interplay among rotation, interparticle interaction and external potential in superfluids.
description: 7 pages,5 figures,accepted for publication in Laser Physics Letters
Biofuels and land use : global requirements and local impacts
Creators: name: Findlater, Kieran Mark
Publisher: name: University of British Columbia
Year: 2009

description: Citing the need for energy security, climate change mitigation, and support for farmer incomes, more than two-dozen countries have announced biofuel production or blending targets for ethanol and biodiesel. The Indian government is no exception, having enthusiastically adopted an oilseed-bearing shrub, Jatropha curcas, as a biodiesel feedstock. There is increasing concern in the scientific community about the potentially expansive land area required to meet such targets. While the carbon dioxide and energy balances of biofuels have been thoroughly examined using lifecycle assessment (LCA), the land-use impacts have received considerably less scrutiny. Studies that have estimated land use requirements have typically examined individual national targets on an ad-hoc basis, with widely varying assumptions. To better understand the impacts of biofuel production on land use, I approach the issue on two scales. At the macro scale, I use a model to estimate the future land area that will be required to meet national biofuel targets, using a uniform methodology to examine the effect of future crop yield growth and co-product allocation. At the micro scale, I examine the specific local impacts that are anticipated to result from Jatropha biodiesel plantation development in rural Rajasthan, India. Researchers and policy-makers across the developing world have expressed a strong interest in following India’s example, and rural Rajasthan makes for an excellent case study from which we can draw lessons applicable to other developing countries.
Comment on some results of Erdahl and the convex structure of reduced density matrices
Creators: name: Chen, Jianxin
name: Ji, Zhengfeng
name: Ruskai, Mary Beth
name: Zeng, Bei
name: Zhou, Duan-Lu
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In J. Math. Phys. 13, 1608-1621 (1972), Erdahl considered the convex structure of the set of $N$-representable 2-body reduced density matrices in the case of fermions. Some of these results have a straightforward extension to the $m$-body setting and to the more general quantum marginal problem. We describe these extensions, but can not resolve a problem in the proof of Erdahl's claim that every extreme point is exposed in finite dimensions. Nevertheless, we can show that when $2m \geq N$ every extreme point of the set of $N$-representable $m$-body reduced density matrices has a unique pre-image in both the symmetric and anti-symmetric setting. Moreover, this extends to the quantum marginal setting for a pair of complementary $m$-body and $(N-m)$-body reduced density matrices.
description: 19 pages, 0 figures. Comments are welcome
Synthesis of novel dihydropyridine, fused dihydropyridines, hexahydrobenzo[4,5]imidazo[2,1-b]quinazolines, and fused-pyrans linked to piprazine core via benzoyloxyacetyl likages as new hybrid molecules utilizing Michael, and Hantzsch reaction
Creators: name: Hammad, Hadeel F.
name: Darweesh, Ahmed F.
name: Abdelaziz, Mahfouz A.
name: Elwahy, Ahmed H. M.
name: Abdelhamid, Ismail A.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biochemistry
classificationCode: 29999
subject: Physical Sciences not elsewhere classified
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
classificationCode: 39999
subject: Chemical Sciences not elsewhere classified
classificationCode: 69999
subject: Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Plant Biology
classificationCode: 60506
subject: Virology

description: The precursor, piperazine-1,4-diylbis(2-oxoethane-2,1-diyl) bis(4-formylbenzoate) was prepared by reacting 1,1’-(piperazine-1,4-diyl)bis(2-chloroethan-1-one) with the potassium salt of 4-formylbenzoic acid in DMF at reflux. A new series of 1,4-dihydropyridin-3,5-dicarbonitrile, hexahydroacridine-1,8-diones, decahydropyrimido[4,5-b]quinoline, and hexahydrobenzo[4,5]imidazo[2,1-b]quinazolines which are linked to piperazine-1,4-diylbis(2-oxoethane-2,1-diyl) dibenzoate were obtained through the Hantzsch reaction. Besides, the Michael addition reaction of the piperazine-bis-aldehyde with malononitrile and active methylene containing reagents in the presence of catalytic amounts of a basic catalyst yielded the corresponding fused pyrans. The constitutions of novel compounds were confirmed using the different spectral tools.
Additional file 1 of MiR-218 affects hypertrophic differentiation of human mesenchymal stromal cells during chondrogenesis via targeting RUNX2, MEF2C, and COL10A1
Creators: name: Melnik, Svitlana
name: Gabler, Jessica
name: Dreher, Simon I.
name: Hecht, Nicole
name: Hofmann, Nina
name: Großner, Tobias
name: Richter, Wiltrud
Publisher: name: figshare
Year: 2020
Subjects: subject: Biophysics
subject: Biochemistry
subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Pharmacology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer

description: Additional file 1: Supplementary Table S1. List of qRT-PCR primers used in this study. Supplementary Table S2. List of cloning primers used in this study. Fig. S1. miR-218 transfection efficiency in SaOS-2 cells. SaOS-2 cells were transiently transfected with miR-218 (grey), or with non-targeting control (NC, black) mimic, and transfection efficiency was controlled by qRT-PCR. Mean values ± SD are shown, n = 2; ***p ≤ 0.001, two-tailed t-test. Fig. S2. miR-218 transfection efficiency in human MSC. MSC cells (N = 3 donors) were transiently transfected with miR-218 (grey), or with non-targeting control (NC, black) mimic before cells were subjected to chondrogenic differentiation for 28 days, and transfection efficiency was controlled by qRT-PCR at indicated time points. Mean values ± SD are shown; *p ≤ 0.05, NC vs miR-218; expression kinetic curves were compared using two-tailed paired t-test. Fig. S3. Gain of function of miR-218 at the start of chondrogenic differentiation does not additionally boost MSC chondrogenesis. MSC (N = 4 - 6) were transfected with miR-218 (grey), or with a control non-targeting miR (NC, black) mimics at day 0, and subjected to chondrogenic differentiation for 28 days. a, Safranin O staining of 3D pellet cultures at day 28 chondrogenesis. Scale bar, 500 μm. b, Total GAG and DNA content of 3D pellet cultures was assessed by DMMB and PicoGreen assays at day 28 of chondrogenesis; Mean values ± SD are shown; N = 6 donors.
A Herschel study of Planetary Nebulae
Creators: name: Van de Steene, G. C.
name: Exter, K. M.
name: van Hoof, P. A. M.
name: Lim, T. L.
name: Barlow, M. J.
name: Matsuura, M.
name: Ueta, T.
name: Consortium, the MESS
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present Herschel PACS and SPIRE images of the dust shells around the planetary nebulae NGC 650, NGC 6853, and NGC 6720, as well as images showing the dust temperature in their shells. The latter shows a rich structure, which indicates that internal extinction in the UV is important despite the highly evolved status of the nebulae.
description: 2 pages, 1 figure, 2012, proceedings IAU Symposium 283 Planetary Nebulae: An Eye to the Future
Exploration of relativistic symmetry by the similarity renormalization group
Creators: name: Guo, Jian-You
Publisher: name: arXiv
Year: 2012
Subjects: subject: Nuclear Theory (nucl-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The similarity renormalization group is used to transform Dirac Hamiltonian into a diagonal form, which the upper (lower) diagonal element becomes an operator describing Dirac (anti-)particle. The eigenvalues of the operator are verfied to be in good agreement with that of the original Hamiltonian. Furthermore, the pseudospin symmetry is investigated. It is shown that the pseudospin splittings appearing in the nonrelativistic limit are reduced by the contributions from these terms relating the spin-orbit interactions, added by those relating the dynamical terms, and the quality of pseudospin symmetry origins mainly from the competition of the dynamical effects and the spin-orbit interactions. The spin symmetry of antiparticle spectrum is well reproduced in the present calculations.
description: 5pages, 2figures
K2CO3-nanoparticles catalyzed the synthesis of 3-arylidine imidazo[1,2-c]pyrimidine candidates: Cytotoxic activity and docking study
Creators: name: Mohammed, Samar. M.
name: Masry, Asmaa A.
name: Moustafa, Ahmed H.
name: El-Sayed, Hassan A.
name: Gad, Emad M.
name: Morsy, Hesham A.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biochemistry
subject: Medicine
subject: Pharmacology
subject: Biotechnology
classificationCode: 39999
subject: Chemical Sciences not elsewhere classified
classificationCode: 69999
subject: Biological Sciences not elsewhere classified
subject: Cancer

description: The present work describes an green and eco-friendly synthetic protocol, and vitro anti-proliferative activity of a new series of 3-arylidine imidazo[1,2-c]pyrimidines. The target molecules 4a–p were synthesized via one-pot cyclization of 6-amino-4-(4-chlorophenyl)-2-thioxo-1,2-dihydropyrimidine-5-carbonitrile(1) with chloroacetyl chloride followed by condensation with a series of aromatic and heteroaromatic aldehydes in the presence of K2CO3-NPs at room temperature. The high yield (80–96%), mild reaction conditions (short reaction time and no heat needed), simple purification, and soft, cheap, high efficiency readily available and stability of K2CO3-NPs are evident features of the present approach. Pyrimidines 4c, 4 g and 4i demonstrated significant anti-proliferative activity against MCF-7 especially compound 4i was found to be the most effective among the tested compounds with IC50 values 3.83 µg/ml in MCF-7 cell line compared to the standard drug doxorubicin. In addition, compounds 4b, 4c, 4d, 4i, and 4n demonstrated high cytotoxic activity against HCT116, particularly compound (4b) was the most potent among the tested compounds with IC50 values 9.3 µg/ml in HCT116 cell line compared to doxorubicin.
Additional file 1 of Rotational thrombelastometry (ROTEM) improves hemostasis assessment compared to conventional coagulation test in ACLF and Non-ACLF patients
Creators: name: Seeßle, Jessica
name: Löhr, Jan
name: Kirchner, Marietta
name: Michaelis, Josefin
name: Merle, Uta
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: Hematology

description: Additional file 1 Supplemental Table 1. ROTEM analysis of subjects with ACLF stratified by bleeding events. Median (IQR) is shown with p-values for the group differences based on Mann-Whitney U-test. Supplemental Table 2. Laboratory findings and blood coagulation tests of subjects with ACLF stratified by infectious disease. Median (IQR) is shown with p-values for the group differences based on Mann-Whitney U-test. Supplemental Table 3. ROTEM analysis of subjects with ACLF stratified by infectious disease. Median (IQR) is shown with p-values for the group differences based on Mann-Whitney U-test.
A photonic crystal nanocavity laser in an optically very thick slab
Creators: name: Kim, Se-Heon
name: Huang, Jingqing
name: Scherer, Axel
Publisher: name: arXiv
Year: 2011
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: A photonic crystal (PhC) nanocavity formed in an optically very thick slab can support reasonably high-Q modes for lasing. Experimentally, we demonstrate room-temperature pulsed lasing operation from the PhC dipole mode emitting at 1324 nm, which is fabricated in an InGaAsP slab with thickness (T) of 606 nm. Numerical simulation reveals that, when T > 800 nm, over 90% of the laser output power couples to the PhC slab modes, suggesting a new route towards an efficient in-plane laser for photonic integrated circuits.
description: 3 pages, 4 figures
Heating of the magnetized solar chromosphere by partial ionization effects
Creators: name: Khomenko, Elena
name: Collados, Manuel
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: In this paper, we study the heating of the magnetized solar chromosphere induced by the large fraction of neutral atoms present in this layer. The presence of neutrals, together with the decrease with height of the collisional coupling, leads to deviations from the classical MHD behavior of the chromospheric plasma. A relative net motion appears between the neutral and ionized components, usually referred to as ambipolar diffusion. The dissipation of currents in the chromosphere is enhanced orders of magnitude due to the action of ambipolar diffusion, as compared to the standard ohmic diffusion. We propose that a significant amount of magnetic energy can be released to the chromosphere just by existing force-free 10--40 G magnetic fields there. As a consequence, we conclude that ambipolar diffusion is an important process that should be included in chromospheric heating models, as it has the potential to rapidly heat the chromosphere. We perform analytical estimations and numerical simulations to prove this idea.
description: Accepted for publication by The Astrophysical Journal
Novel oxidation system of benzoins to benzils for synthesis and antioxidant activity studies of (5-oxo-4,4-diarylimidazolidin-2-ylidene)cyanamides
Creators: name: Hussein, Bahgat R. M.
name: Moustafa, Amr H.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Biotechnology
classificationCode: 59999
subject: Environmental Sciences not elsewhere classified
classificationCode: 39999
subject: Chemical Sciences not elsewhere classified
classificationCode: 69999
subject: Biological Sciences not elsewhere classified

description: In this work, the two novel methods were achieved for the preparation of benzil derivatives 2a–f with high yields and short reaction time from benzoins 1a–f via; (i) their refluxing with a mixture of sulfur and morpholine in ethanol, and (ii) their stirring with oxidizing agent “DMSO-NaBr-H2SO4 system” at 85 °C. Thus, a new series of (5-oxo-4,4-diarylimidazolidin-2-ylidene)cyanamide 3a–f was already synthesized from the reaction of benzils 2a–f with commercially available cyanoguanidine in the presence of sodium ethoxide as a basic catalyst. The new products 3a–f were exhibited promising antioxidant activity based on “in vitro” assays in 2,2-diphenyl-1-picrylhydrazyl (DPPH) compared to vitamin C.
Additional file 1 of No time for change? Impact of contextual factors on the effect of training primary care healthcare workers in Kyrgyzstan and Vietnam on how to manage asthma in children - A FRESH AIR implementation study
Creators: name: Kjærgaard, Jesper
name: Nissen, Thomas Nørrelykke
name: Isaeva, Elvira
name: Nguyen Nhat Quynh
name: Reventlow, Susanne
name: Lund, Stine
name: Talant Sooronbaev
name: Pham Le An
name: Østergaard, Marianne Stubbe
name: Stout, Jim
name: Poulsen, Anja
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 1.
Évaluation et consolidation d'un réseau lexical via un outil pour retrouver le mot sur le bout de la langue
Creators: name: Joubert, Alain
name: Lafourcade, Mathieu
name: Schwab, Didier
name: Zock, Michael
Publisher: name: arXiv
Year: 2012
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences

description: Since September 2007, a large scale lexical network for French is under construction through methods based on some kind of popular consensus by means of games (JeuxDeMots project). Human intervention can be considered as marginal. It is limited to corrections, adjustments and validation of the senses of terms, which amounts to less than 0,5 % of the relations in the network. To appreciate the quality of this resource built by non-expert users (players of the game), we use a similar approach to its construction. The resource must be validated by laymen, persistent in time, on open class vocabulary. We suggest to check whether our tool is able to solve the Tip of the Tongue (TOT) problem. Just like JeuxDeMots, our tool can be considered as an on-line game. Like the former, it allows the acquisition of new relations, enriching thus the (existing) network.
Discussion of "Calibrated Bayes, for Statistics in General, and Missing Data in Particular" by R. J. A. Little
Creators: name: Schenker, Nathaniel
Publisher: name: arXiv
Year: 2011
Subjects: subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: Discussion of "Calibrated Bayes, for Statistics in General, and Missing Data in Particular" by R. Little [arXiv:1108.1917]
description: Published in at http://dx.doi.org/10.1214/10-STS318A the Statistical Science (http://www.imstat.org/sts/) by the Institute of Mathematical Statistics (http://www.imstat.org)
An alternate synthesis of sporiolide B from (R)-glyceraldehyde
Creators: name: Kokkiligadda, Suresh Babu
name: Musunuri, Sivanadh
name: Syed, Tasqeeruddin
name: Maiti, Bhimcharan
name: Venkata, Basaveswara Rao Mandava
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biochemistry
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: Evolutionary Biology
classificationCode: 39999
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
classificationCode: 80699
subject: Information Systems not elsewhere classified
subject: Plant Biology

description: In this article, a novel synthetic route was described for the total synthesis of Sporiolide B from inexpensive and commercially available starting materials by a concise fourteen-step sequence in 6.50% overall yield. This convergent synthesis utilizes Grignard reaction, Asymmetric dihydroxylation, Yamaguchi macrolactonization and ring closing metathesis as the key steps.
Field theories with anisotropic scaling in 2D, solitons and the microscopic entropy of asymptotically Lifshitz black holes
Creators: name: Gonzalez, Hernan A.
name: Tempo, David
name: Troncoso, Ricardo
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Field theories with anisotropic scaling in 1+1 dimensions are considered. It is shown that the isomorphism between Lifshitz algebras with dynamical exponents z and 1/z naturally leads to a duality between low and high temperature regimes. Assuming the existence of gap in the spectrum, this duality allows to obtain a precise formula for the asymptotic growth of the number of states with a fixed energy which depends on z and the energy of the ground state, and reduces to the Cardy formula for z=1. The holographic realization of the duality can be naturally inferred from the fact that Euclidean Lifshitz spaces in three dimensions with dynamical exponents and characteristic lengths given by z, l, and 1/z, l/z, respectively, are diffeomorphic. The semiclassical entropy of black holes with Lifshitz asymptotics can then be recovered from the generalization of Cardy formula, where the ground state corresponds to a soliton. An explicit example is provided by the existence of a purely gravitational soliton solution for BHT massive gravity, which precisely has the required energy that reproduces the entropy of the analytic asymptotically Lifshitz black hole with z=3. Remarkably, neither the asymptotic symmetries nor central charges were explicitly used in order to obtain these results.
description: 17 pages, no figures, references corrected and updated
Additional file 1 of Predicting hospitalization following psychiatric crisis care using machine learning
Creators: name: Blankers, Matthijs
name: Post, Louk F. M. Van Der
name: Dekker, Jack J. M.
Publisher: name: figshare
Year: 2020
Subjects: subject: Artificial Intelligence and Image Processing
subject: FOS: Computer and information sciences

description: Additional file 1. Default grid search settings caret package.
Synthesis of β-amino alcohols from D-glucose and their molecular docking studies against β1- and β2- adrenoreceptors
Creators: name: Verma, Vineet
name: Maikhuri, Vipin K.
name: Chahal, Varun
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biochemistry
subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
classificationCode: 39999
subject: Chemical Sciences not elsewhere classified
subject: Ecology
classificationCode: 69999
subject: Biological Sciences not elsewhere classified
classificationCode: 111714
subject: Mental Health
subject: Computational Biology

description: A simple and convenient methodology has been developed for the synthesis of β-amino alcohols from native sugar D-glucose. First, D-glucose was converted into 2,6-anhydro-3,4,5,7-tetra-O-benzyl-heptitol which was then converted into its corresponding epoxide. Finally, the epoxide was reacted with variety of amines in the presence of samarium (III) trifluoromethanesulfonate to afford β-amino alcohols regioselectively in excellent yields of 90–95% followed by debenzylation to afford hydroxylated derivatives. Additionally, molecular docking studies of the synthesized compounds considering β1- and β2-adrenoreceptors as target structures were performed.
Additional file 3 of Predicting hospitalization following psychiatric crisis care using machine learning
Creators: name: Blankers, Matthijs
name: Post, Louk F. M. Van Der
name: Dekker, Jack J. M.
Publisher: name: figshare
Year: 2020
Subjects: subject: Artificial Intelligence and Image Processing
subject: FOS: Computer and information sciences

description: Additional file 3. Key results of our sensitivity analysis using balanced data.
The anticentre old open clusters Berkeley 27, Berkeley 34, and Berkeley 36: new additions to the BOCCE project
Creators: name: Donati, P.
name: Bragaglia, A.
name: Cignoni, M.
name: Cocozza, G.
name: Tosi, M.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: In this paper we present the investigation of the evolutionary status of three open clusters: Berkeley 27, Berkeley 34, and Berkeley 36, all located in the Galactic anti-centre direction. All of them were observed with SUSI2@NTT using the Bessel B, V, and I filters. The cluster parameters have been obtained using the synthetic colour-magnitude diagram (CMD) method i.e. the direct comparison of the observational CMDs with a library of synthetic CMDs generated with different evolutionary sets (Padova, FRANEC, and FST). This analysis shows that Berkeley 27 has an age between 1.5 and 1.7 Gyr, a reddening E(B-V) in the range 0.40 and 0.50, and a distance modulus (m-M)_0 between 13.1 and 13.3; Berkeley 34 is older with an age in the range 2.1 and 2.5 Gyr, E(B-V) between 0.57 and 0.64, and (m-M)_0 between 14.1 and 14.3; Berkeley 36, with an age between 7.0 and 7.5 Gyr, has a reddening E(B-V)~0.50 and a distance modulus (m-M)_0 between 13.1 and 13.2. For all the clusters our analysis suggests a sub-solar metallicity in accord with their position in the outer Galactic disc.
description: MNRAS in press, figs 1,2,3 degraded resolution
Sensory experience driven network plasticity in the awake developing brain
Creators: name: Dunfield, Derek James
Publisher: name: University of British Columbia
Year: 2009

description: During embryonic activity‐dependent brain circuit refinement, neurons receiving the same natural sensory input may undergo either long‐term potentiation (LTP) or depression (LTD). While the origin of variable plasticity in vivo is unknown, the type of plasticity induced plays a key role in shaping dynamic neural circuit synaptogenesis and growth. Here, we investigate the effects of natural visual stimuli on functional neuronal firing within the intact and awake developing brain using calcium imaging of 100s of central neurons in the Xenopus retinotectal system. We find that specific patterns of visual stimuli shift population responses towards either potentiation or depression in an N‐methyl‐D‐aspartate receptor (NMDAR)‐dependent manner. In agreement with the Bienenstock‐Cooper‐Munro (BCM) theory, our results show that functional potentiation or depression in individual neurons can be predicted by their specific receptive field properties and endogenous firing rates prior to plasticity induction. Enhancing pre‐training activity shifts plasticity outcomes as predicted by BCM, and this induced metaplasticity is also NMDAR dependent. Furthermore, network analysis reveals an increase in correlated firing of neurons that undergo potentiation. These findings implicate metaplasticity as a natural property governing experience‐dependent refinement of nascent embryonic brain circuits.
Structural Factors Impacting Energy Efficiency Policy Implementation in the European Private Rented Sector
Creators: name: Burbidge, Manon
name: Bouzarovski, Stefan
name: Papantonis, Dimitris
name: Stavrakas, Vassilis
name: Flamos, Alexandros
name: Martini, Emil
name: Figueira, Maria
name: Hamzova, Andrea
name: Heemann, Jen
name: Vondung, Florin
name: Gericke, Naomi
Publisher: name: Zenodo
Year: 2021
Subjects: Energy efficiency
Energy poverty
Private Rented Sector
Energy policy
Energy efficiency barriers

description: This report examines the structural barriers preventing investment in energy efficiency measures in Europe’s Private Rented Sector (PRS) housing stock. The analysis is undertaken with reference to the broader trends in private renting, the regulatory landscape that currently exists, and the need to reduce social vulnerability and income poverty more generally. An introduction detailing historical and geographical trends in Europe, using case studies, and elaborating upon research and policy analysis from previous ENPOR project reports, serves to provide the starting point of the review. Following desk-based reviews of academic and grey literature, we identified Financial, Political/Regulatory, Social, and Geographical factors as key barriers to the implementation of energy efficiency policies in the PRS, which provide the backbone structure of this review. Several strands of analysis are drawn upon, including expert viewpoints and a stakeholder survey. The primary survey was conducted with a range of stakeholders working in the field of energy poverty, energy efficiency, housing, and decarbonisation, and served to generate primary data on knowledge of policies, ratings of importance on the identified barriers and governance scales, and understandings of the effects of policy on vulnerable groups. Partners from the ENPOR Consortium also provided expert situated viewpoints, which were drawn together to provide a holistic overview of factors contributing to the key barriers, as well as suggesting potential solutions from a multi-stakeholder perspective, supplemented by the survey’s findings. A common theme running throughout our analyses and recommendations is that solutions to energy poverty in the private rented sector are situated across the barriers, and are ultimately financial, social, political/regulatory and technical. Although a practical way of identifying structural factors that can prevent investment in energy efficiency, this is where we reach the limits of the conceptual notion of ‘barriers’ as an explanatory tool for understanding the persistent energy poverty, housing quality and energy efficiency related challenges.
description: The authors would like to acknowledge the support from the EC. The authors would like to thank the stakeholders that participated in the online survey. The content of this report is the sole responsibility of its authors and does not necessary reflect the views of the EC.
Boundary contributions to the hypervirial theorem
Creators: name: Esteve, J. G.
name: Falceto, F.
name: Giri, Pulak Ranjan
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: It is shown that under certain boundary conditions the virial theorem has to be modified. We analyze the origin of the extra term and compute it in particular examples. The Coulomb and harmonic oscillator with point interaction have been studied in the light of this generalization of the virial theorem.
description: 6 pages, 2 figures; to appear in Phys. Rev. A
Disentanglement dynamics of interacting two qubits and two qutrits in an XY spin-chain environment with the Dzyaloshinsky-Moriya interaction
Creators: name: Hu, Ming-Liang
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate disentanglement dynamics of two coupled qubits and qutrits which interact uniformly to a general XY spin-chain environment with the Dzyaloshinsky-Moriya (DM) interaction. We obtained exact expression of the time evolution operator and analyzed the dynamical process of the decoherence factors. Through explicitly calculating the concurrence and the negativity, we examined disentanglement behaviors of two coupled central spins evolve from different initial pure states, which are found to be nontrivially different from those of the uncorrelated ones, in particular, the enhanced decay of the entanglement induced by quantum criticality of the surrounding environment may be broken by introducing self-Hamiltonian of the central spin system. Moreover, the DM interaction may have different influences on decay of the entanglement depending on the strength of the system-environment coupling, the anisotropy of the environmental spin chain and the intensity of the transverse magnetic field, as well as the explicit form of the initial states of the central spin system.
description: 16 pages, 10 figures
A Reanalysis of the Hydrodynamic Theory of Fluid, Polar-Ordered Flocks
Creators: name: Toner, John
Publisher: name: arXiv
Year: 2012
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: I reanalyze the hydrodynamic theory of fluid, polar ordered flocks. I find new linear terms in the hydrodynamic equations which slightly modify the anisotropy, but not the scaling, of the damping of sound modes. I also find that the nonlinearities allowed {\it in equilibrium} do not stabilize long ranged order in spatial dimensions $d=2$; in accord with the Mermin-Wagner theorem. Nonequilibrium nonlinearities {\it do} stabilize long ranged order in $d=2$, as argued by earlier work. Some of these were missed by earlier work; it is unclear whether or not they change the scaling exponents in $d=2$.
description: 6 pages, no figures. arXiv admin note: text overlap with arXiv:0909.1954
Determination of Intrinsic Ferroelectric Polarization in Orthorhombic Manganites with E-type Spin Order
Creators: name: Chai, Y. S.
name: Oh, Y. S.
name: Wang, L. J.
name: Manivannan, N.
name: Feng, S. M.
name: Yang, Y. S.
name: Yan, L. Q.
name: Jin, C. Q.
name: Kim, Kee Hoon
Publisher: name: arXiv
Year: 2011
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: By directly measuring electrical hysteresis loops using the Positive-Up Negative-Down (PUND) method, we accurately determined the remanent ferroelectric polarization Pr of orthorhombic RMnO3 (R = Ho, Tm, Yb, and Lu) compounds below their E-type spin ordering temperatures. We found that LuMnO3 has the largest Pr of 0.17 uC/cm^2 at 6 K in the series, indicating that its single-crystal form can produce a Pr of at least 0.6 \muuC/cm^2 at 0 K. Furthermore, at a fixed temperature, Pr decreases systematically with increasing rare earth ion radius from R = Lu to Ho, exhibiting a strong correlation with the variations in the in-plane Mn-O-Mn bond angle and Mn-O distances. Our experimental results suggest that the contribution of the Mn t2g orbitals dominates the ferroelectric polarization.
description: 16 pages, 4 figures
Additional file 4 of PyClone-VI: scalable inference of clonal population structures using whole genome data
Creators: name: Gillis, Sierra
name: Roth, Andrew
Publisher: name: figshare
Year: 2020
Subjects: subject: Statistics
subject: FOS: Mathematics

description: Additional file 4. Fig. S3: Comparison of PyClone and PyClone-VI with varying number of samples PDF file with figures showing the results of running PyClone and PyClone-VI with varying number of samples. Data was simulated from the PyClone model with 1–8 samples, 100 mutations, a mean depth of 100 reads, copy number ranging from 1–4 copies and tumour content for each sample randomly selected from [0.4, 0.8]. a V-measure as a function of the number of samples. b Mean absolute deviation of inferred CCF from truth as a function of the number of samples. c Runtime of the methods. d Memory usage.
Additional file 1 of Stigma and HIV service access among transfeminine and gender diverse women in South Africa – a narrative analysis of longitudinal qualitative data from the HPTN 071 (PopART) trial
Creators: name: Villiers, Laing De
name: Thomas, Angelique
name: Jivan, Dionne
name: Hoddinott, Graeme
name: Hargreaves, James R.
name: Bond, Virginia
name: Stangl, Anne
name: Bock, Peter
name: Reynolds, Lindsey
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: Cancer
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 1. Topic guide_20201113. The file includes topic guide themes used for the interviews in the larger qualitive cohort study.
Carrier doping to a partially disordered state in the periodic Anderson model on a triangular lattice
Creators: name: Hayami, Satoru
name: Udagawa, Masafumi
name: Motome, Yukitoshi
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigate the effect of hole and electron doping to half-filling in the periodic Anderson model on a triangular lattice by the Hartree-Fock approximation at zero temperature. At half-filling, the system exhibits a partially disordered insulating state, in which a collinear antiferromagnetic order on an unfrustrated honeycomb subnetwork coexists with nonmagnetic state at the remaining sites. We find that the carrier doping destabilizes the partially disordered state, resulting in a phase separation to a doped metallic state with different magnetic order. The partially disordered state is restricted to the half-filled insulating case, while its metallic counterpart is obtained as a metastable state in a narrow electron doped region.
description: 4 pages, 2 figures