cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Nanobodies mapped to cross-reactive and divergent epitopes on A(H7N9) influenza hemagglutinin using yeast display.
Creators: name: Gaiotto, Tiziano
name: Ramage, Walter
name: Ball, Christina
name: Risley, Paul
name: Carnell, George
name: Temperton, Nigel
name: Engelhardt, Othmar G
name: Hufton, Simon E
Publisher: name: Apollo - University of Cambridge Repository
Year: 2021

description: Influenza H7N9 virus continues to cause infections in humans and represents a significant pandemic risk. During the most recent 5th epidemic wave in 2016/17 two distinct lineages with increased human infections and wider geographical spread emerged. In preparation for any future adaptations, broadly reactive antibodies against H7N9 are required for surveillance, therapy and prophylaxis. In this study we have isolated a panel of nanobodies (Nbs) with broad reactivity across H7 influenza strains, including H7N9 strains between 2013 and 2017. We also describe Nbs capable of distinguishing between the most recent high and low pathogenicity Yangtze River Delta lineage H7N9 strains. Nanobodies were classified into 5 distinct groups based on their epitope footprint determined using yeast display and mutational scanning. The epitope footprint of Nbs capable of distinguishing high pathogenic (HP) A/Guangdong/17SF003/2016 from low pathogenic (LP) A/Hong Kong/125/2017 (H7N9) were correlated to natural sequence divergence in the head domain at lysine 164. Several Nbs binding to the head domain were capable of viral neutralisation. The potency of one nanobody NB7-14 could be increased over 1000-fold to 113 pM by linking two Nbs together. Nbs specific for distinct epitopes on H7N9 may be useful for surveillance or therapy in human or veterinary settings.
Proton Driven Plasma Wakefield Acceleration
Creators: name: Caldwell, Allen
name: Lotov, Konstantin
name: Pukhov, Alexander
name: Simon, Frank
Publisher: name: arXiv
Year: 2008
Subjects: subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: Plasma wakefield acceleration, either laser driven or electron-bunch driven, has been demonstrated to hold great potential. However, it is not obvious how to scale these approaches to bring particles up to the TeV regime. In this paper, we discuss the possibility of proton-bunch driven plasma wakefield acceleration, and show that high energy electron beams could potentially be produced in a single accelerating stage.
description: 13 pages, 4 figures
The geometry of Minkowski spaces -- a survey. Part I
Creators: name: Martini, Horst
name: Swanepoel, Konrad J
name: Weiss, Gunter
Publisher: name: arXiv
Year: 2007
Subjects: subject: Metric Geometry (math.MG)
subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 52A21 (Primary), 46B07, 46B20 (Secondary)

description: We survey elementary results in Minkowski spaces (i.e. finite dimensional Banach spaces) that deserve to be collected together, and give simple proofs for some of them. We place special emphasis on planar results. Many of these results have often been rediscovered as lemmas to other results. In Part I we cover the following topics: The triangle inequality and consequences such as the monotonicity lemma, geometric characterizations of strict convexity, normality (Birkhoff orthogonality), conjugate diameters and Radon curves, equilateral triangles and the affine regular hexagon construction, equilateral sets, circles: intersection, circumscribed, characterizations, circumference and area, inscribed equilateral polygons.
description: 56 pages, 28 figures
High Yield Transfer of Clean Large-Area Epitaxial Oxide Thin Films.
Creators: name: Zhang, Bowen
name: Yun, Chao
name: MacManus-Driscoll, Judith L
Publisher: name: Apollo - University of Cambridge Repository
Year: 2021

description: In this work, we have developed a new method for manipulating and transferring up to 5 mm × 10 mm epitaxial oxide thin films. The method involves fixing a PET frame onto a PMMA attachment film, enabling transfer of epitaxial films lifted-off by wet chemical etching of a Sr3Al2O6 sacrificial layer. The crystallinity, surface morphology, continuity, and purity of the films are all preserved in the transfer process. We demonstrate the applicability of our method for three different film compositions and structures of thickness ~ 100 nm. Furthermore, we show that by using epitaxial nanocomposite films, lift-off yield is improved by ~ 50% compared to plain epitaxial films and we ascribe this effect to the higher fracture toughness of the composites. This work shows important steps towards large-scale perovskite thin-film-based electronic device applications.
Observation of narrow Autler-Townes components in the resonant response of a dense atomic gas
Creators: name: Sautenkov, Vladimir A.
name: Rostovtsev, Yuri V.
name: Eliel, Eric R.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We have experimentally studied the reflection of a weak probe beam from a dense atomic potassium vapor in the presence of a strong laser field tuned to the atomic resonance transition. We have observed an Autler-Townes doublet under hitherto unexplored conditions, namely that the Rabi frequency induced by the strong laser field is much smaller than the self-broadened width of the resonance transition of the unexcited vapor. We attribute our observation to a reduction of the atomic decoherence by the strong drive field. We present a theoretical model of nonlinear processes in a dense atomic gas to explain the observed results.
And in the Darkness Bind Them: Equatorial Rings, B[e] Supergiants, and the Waists of Bipolar Nebulae
Creators: name: Smith, Nathan
name: Bally, John
name: Walawender, Josh
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report the discovery of two new circumstellar ring nebulae in the western Carina Nebula. The brighter object, SBW1, resembles a lidless staring eye and encircles a B1.5 Iab supergiant. Its size is identical to the inner ring around SN1987A, but SBW1's low N abundance indicates that the star didn't pass through a RSG phase. The fainter object, SBW2, is a more distorted ring, is N-rich, and has a central star that seems to be invisible. We discuss these two new nebulae in context with rings around SN1987A, Sher25, HD168625, RY Scuti, WeBo1, SuWt2, and others. The ring bearers fall into two groups: Five rings surround hot supergiants, and all except for the one known binary are carbon copies of the ring around SN1987A. We propose a link between these rings and B[e] supergiants, where the rings derive from the same material in an earlier B[e] phase. The remaining four rings surround evolved intermediate-mass stars; all members of this ring fellowship are close binaries, hinting that binary interactions govern the forging of such rings. We estimate that there may be several thousand more dark rings in the Galaxy, but we are scarcely aware of their existence due to selection effects. The lower-mass objects might be the equatorial density enhancements often invoked to bind the waists of bipolar PNe.
description: AJ accepted, 27 pages
Crop rotations with and without legumes: a review
Creators: name: Böhm, Herwart
name: Dauber, Jens
name: Dehler, Marcel
name: Gallardo, Daniel A. Amthauer
name: de Witte, Thomas
name: Fuss, Roland
name: Hoeppner, Frank
name: Langhof, Maren
name: Rinke, Nadja
name: Rodemann, Bernd
name: Ruehl, Gerhard
name: Schittenhelm, Siegfried
Publisher: name: Zenodo
Year: 2021
Subjects: legumes
crop rotation
crop production
plant protection
organic farming
biodiversity
climate protection
economic efficiency
research needs

description: Legumes are indispensable for the supply of reactive nitrogen into organic farming systems due to their ability to fix atmospheric nitrogen. This reactive nitrogen is used by all arable crops in the rotation and forms the foundation of the protein supply for livestock. In conventional farming, legumes offer the potential to diversify crop rotations, especially those dominated by cereals which are often cereal intensive. In these cropping systems, legumes ‘break’ the sequence of cereal crops. One of the most important consequences of this break-crop effect is the interruption of the life cycle of crop-specific pathogens and the associated savings in pesticides. This review summarises the current state of knowledge on crop rotations with and without legumes. It presents and evaluates the agronomic, ecological and economic effects of the cultivation of large and small legume species as main or catch crops or as components in mixtures. The focus is on relevant publications in scientific journals as well as practice and research reports from 2010 - 2020, carried out in Germany or comparable climatic conditions. From this we derive the necessary research requirements for the subject areas of crop production (conventional and organic), plant protection, economy, ecology and climate protection.
Magnetogenesis from Cosmic String Loops
Creators: name: Battefeld, Diana
name: Battefeld, Thorsten
name: Wesley, Daniel H.
name: Wyman, Mark
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Large-scale coherent magnetic fields are observed in galaxies and clusters, but their ultimate origin remains a mystery. We reconsider the prospects for primordial magnetogenesis by a cosmic string network. We show that the magnetic flux produced by long strings has been overestimated in the past, and give improved estimates. We also compute the fields created by the loop population, and find that it gives the dominant contribution to the total magnetic field strength on present-day galactic scales. We present numerical results obtained by evolving semi-analytic models of string networks (including both one-scale and velocity-dependent one-scale models) in a Lambda-CDM cosmology, including the forces and torques on loops from Hubble redshifting, dynamical friction, and gravitational wave emission. Our predictions include the magnetic field strength as a function of correlation length, as well as the volume covered by magnetic fields. We conclude that string networks could account for magnetic fields on galactic scales, but only if coupled with an efficient dynamo amplification mechanism.
description: 10 figures; v3: small typos corrected to match published version. MagnetiCS, the code described in paper, is available at http://markcwyman.com/ and http://www.damtp.cam.ac.uk/user/dhw22/code/index.html
Adaptive networks of trading agents
Creators: name: Burda, Z.
name: Krzywicki, A.
name: Martin, O. C.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Trading and Market Microstructure (q-fin.TR)
subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Economics and business
subject: FOS: Physical sciences

description: Multi-agent models have been used in many contexts to study generic collective behavior. Similarly, complex networks have become very popular because of the diversity of growth rules giving rise to scale-free behavior. Here we study adaptive networks where the agents trade ``wealth'' when they are linked together while links can appear and disappear according to the wealth of the corresponding agents; thus the agents influence the network dynamics and vice-versa. Our framework generalizes a multi-agent model of Bouchand and Mezard, and leads to a steady state with fluctuating connectivities. The system spontaneously self-organizes into a critical state where the wealth distribution has a fat tail and the network is scale-free; in addition, network heterogeneities lead to enhanced wealth condensation.
description: 7 figures
Engagement and adherence trade-offs for SARS-CoV-2 contact tracing.
Creators: name: Lucas, Tim CD
name: Davis, Emma L
name: Ayabina, Diepreye
name: Borlase, Anna
name: Crellen, Thomas
name: Pi, Li
name: Medley, Graham F
name: Yardley, Lucy
name: Klepac, Petra
name: Gog, Julia
name: Déirdre Hollingsworth, T
Publisher: name: Apollo - University of Cambridge Repository
Year: 2021
Subjects: Adherence
Quarantine
Contact tracing
Case Isolation
Covid-19
Sars-cov-2
Humans
Contact Tracing
Disease Outbreaks
Communicable Disease Control
Models, Theoretical
Basic Reproduction Number
Pandemics
COVID-19
SARS-CoV-2

description: Contact tracing is an important tool for allowing countries to ease lockdown policies introduced to combat SARS-CoV-2. For contact tracing to be effective, those with symptoms must self-report themselves while their contacts must self-isolate when asked. However, policies such as legal enforcement of self-isolation can create trade-offs by dissuading individuals from self-reporting. We use an existing branching process model to examine which aspects of contact tracing adherence should be prioritized. We consider an inverse relationship between self-isolation adherence and self-reporting engagement, assuming that increasingly strict self-isolation policies will result in fewer individuals self-reporting to the programme. We find that policies which increase the average duration of self-isolation, or that increase the probability that people self-isolate at all, at the expense of reduced self-reporting rate, will not decrease the risk of a large outbreak and may increase the risk, depending on the strength of the trade-off. These results suggest that policies to increase self-isolation adherence should be implemented carefully. Policies that increase self-isolation adherence at the cost of self-reporting rates should be avoided. This article is part of the theme issue 'Modelling that shaped the early COVID-19 pandemic response in the UK'.
Baryon Regge Trajectories in the Light of the $1/N_c$ Expansion
Creators: name: Goity, J. L.
name: Matagne, N.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We analyze Regge trajectories in terms of the $1/N_c$ expansion of QCD. Neglecting spin-orbit contributions to the large $N_c$ baryon mass operator, we consider the evolution of the spin-flavor singlet component of the masses with respect to the angular momentum. We find two distinct and remarkably linear Regge trajectories for symmetric and for mixed symmetric spin-flavor multiplets.
description: 8 pages, 1 figure, 2 tables, published version
Monte Carlo simulation results for critical Casimir forces
Creators: name: Vasilyev, O.
name: Gambassi, A.
name: Maciolek, A.
name: Dietrich, S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The confinement of critical fluctuations in soft media induces critical Casimir forces acting on the confining surfaces. The temperature and geometry dependences of such forces are characterized by universal scaling functions. A novel approach is presented to determine them for films via Monte Carlo simulations of lattice models. The method is based on an integration scheme of free energy differences. Our results for the Ising and the XY universality class compare favourably with corresponding experimental results for wetting layers of classical binary liquid mixtures and of 4He, respectively.
description: 14 pages, 5 figures
GVA 2018: Summary of research activities
Creators: name: ITI
Publisher: name: Zenodo
Year: 2018
Subjects: GVA2018
IoT
Big Data
Artificial Intelligence
cloud computing
optimization
cyber-physical system

description: ITI (Instituto Tecnológico de Informática) has a Non-economic Activity Plan which general objective is to strengthen the actions and capabilities to develop the excellence in R&D field in Information and Communication Technologies (ICT). Through this plan, all the phases in the R&D lifecycle are covered, looking for an efficient and excellent development of ITI research activities.
title: Reusable Ni-Catalysts for the Highly Chemoselective Synthesis of Primary Amines
Creators: name: Hahn, Gabriela
Publisher: name: University of Bayreuth
Year: 2019
Subjects: subject: Reusable
subject: earth abundant metal
subject: heterogeneous catalysis
subject: highly chemoselective hydrogeneation
subject: 540

description: During this thesis novel reusable nickel catalysts were synthesized and characterized. The catalysts show a high chemoselectivity in the hydrogenation of nitroarenes and the reductive amination of carbonyl compounds. Various primary amines including amino acids were synthesized under mild conditions. Different functional groups or even hydrogenation sensitive groups were tolerated.
Experimental Realization of an Exact Solution to the Vlasov Equations for an Expanding Plasma
Creators: name: Laha, S.
name: Gupta, P.
name: Simien, C. E.
name: Gao, H.
name: Castro, J.
name: Pohl, T.
name: Killian, T. C.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We study the expansion of ultracold neutral plasmas in the regime in which inelastic collisions are negligible. The plasma expands due to the thermal pressure of the electrons, and for an initial spherically symmetric Gaussian density profle, the expansion is self-similar. Measurements of the plasma size and ion kinetic energy using fluorescence imaging and spectroscopy show that the expansion follows an analytic solution of the Vlasov equations for an adiabatically expanding plasma.
description: 4 pages, 4 figures
Discovery of PTN as a serum-based biomarker of pro-metastatic prostate cancer.
Creators: name: Liu, Shiqin
name: Shen, Michelle
name: Hsu, En-Chi
name: Zhang, Chiyuan Amy
name: Garcia-Marques, Fernando
name: Nolley, Rosalie
name: Koul, Kashyap
name: Rice, Meghan A
name: Aslan, Merve
name: Pitteri, Sharon J
name: Massie, Charlie
name: George, Anne
name: Brooks, James D
name: Gnanapragasam, Vincent
name: Stoyanova, Tanya
Publisher: name: Apollo - University of Cambridge Repository
Year: 2021
Subjects: Humans
Prostatic Neoplasms
Carrier Proteins
Cytokines
Prognosis
Prostatectomy
Survival Rate
Follow-Up Studies
Male
Biomarkers, Tumor

description: Distinguishing clinically significant from indolent prostate cancer (PC) is a major clinical challenge. We utilised targeted protein biomarker discovery approach to identify biomarkers specific for pro-metastatic PC. Serum samples from the cancer-free group; Cambridge Prognostic Group 1 (CPG1, low risk); CPG5 (high risk) and metastatic disease were analysed using Olink Proteomics panels. Tissue validation was performed by immunohistochemistry in a radical prostatectomy cohort (n = 234). We discovered that nine proteins (pleiotrophin (PTN), MK, PVRL4, EPHA2, TFPI-2, hK11, SYND1, ANGPT2, and hK14) were elevated in metastatic PC patients when compared to other groups. PTN levels were increased in serum from men with CPG5 compared to benign and CPG1. High tissue PTN level was an independent predictor of biochemical recurrence and metastatic progression in low- and intermediate-grade disease. These findings suggest that PTN may represent a novel biomarker for the presence of poor prognosis local disease with the potential to metastasise warranting further investigation.
Fixed point scenario in the Two Higgs Doublet Model inspired by degenerate vacua
Creators: name: Froggatt, C. D.
name: Nevzorov, R.
name: Nielsen, H. B.
name: Thompson, D.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider the renormalisation group flow of Higgs and Yukawa couplings within the simplest non--supersymmetric two Higgs doublet extension of the Standard Model (SM). In this model the couplings are adjusted so that the multiple point principle (MPP) assumption, which implies the existence of a large set of degenerate vacua at some high energy scale $Λ$, is realised. When the top quark Yukawa coupling at the scale $Λ$ is large, the solutions of RG equations in this MPP inspired 2 Higgs Doublet Model (2HDM) converge to quasi--fixed points. We analyse the Higgs spectrum and couplings in the quasi--fixed point scenario and compute a theoretical upper bound on the lightest Higgs boson mass. When the scale $Λ$ is low, the coupling of the SM--like Higgs scalar to the top quark can be significantly larger in the considered model than in the SM, resulting in the enhanced production of Higgs bosons at the LHC.
description: 16 pages, 3 figures, CERN preprint number added, references updated
Near-IR observations of the young star [BHB2007]-1: A sub-stellar companion opening the gap in the disk
Creators: name: Zurlo, Alice
name: Garufi, Antonio
name: Pérez, Sebastián
name: Alves, Felipe O.
name: Girart, Josep M.
name: Zhu, Zhaohuan
name: Franco, Gabriel A. P.
name: Cleeves, L. Ilsedore
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The presence of planets or sub-stellar objects still embedded in their native protoplanetary disks is indirectly suggested by disk sub-structures like gaps, cavities, and spirals. However, these companions are rarely detected. We present VLT/NACO high-contrast images in $J$, $H$, $K_S$, and $L^{\prime}$ band of the young star [BHB2007]-1 probing the inclined disk in scattered light and revealing the probable presence of a companion. The point source is detected in the $L^{\prime}$ band in spatial correspondence with complementary VLA observations. This object is constrained to have a mass in the range of 37-47 M$_{Jup}$ and is located at 50 au from the central star, inside the 70 au-large disk cavity recently imaged by ALMA, that is absent from our NACO data (down to 20 au). This mass range is compatible with the upper end derived from the size of the ALMA cavity. The NIR disk brightness is highly asymmetric around the minor axis, with the southern side 5.5 times brighter than the northern side. The constant amount of asymmetry across all wavelengths suggests that it is due to a shadow cast by a misaligned inner disk. The massive companion that we detect could, in principle, explain the possible disk misalignment, as well as the different cavity sizes inferred by the NACO and ALMA observations. The confirmation and characterization of the companion is entrusted to future observations.
description: 9 pages, 5 figures, 3 tables. Accepted for publication on ApJ
Smith's Cloud: A High-velocity Cloud Colliding with the Milky Way
Creators: name: Lockman, Felix J.
name: Benjamin, Robert A.
name: Heroux, A. J.
name: Langston, Glen I.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: New 21cm HI observations made with the Green Bank Telescope show that the high-velocity cloud known as Smith's Cloud has a striking cometary appearance and many indications of interaction with the Galactic ISM. The velocities of interaction give a kinematic distance of 12.4 +/-1.3 kpc, consistent with the distance derived from other methods. The Cloud is >3 x 1 kpc in size and its tip at (l,b)=(39 deg,-13 deg) is 7.6 kpc from the Galactic center and 2.9 kpc below the Galactic plane. It has greater than 10^6 M solar masses in HI. Its leading section has a total space velocity near 300 km/s, is moving toward the Galactic plane with a velocity of 73+/-26 km/s, and is shedding material to the Galaxy. In the absence of drag the Cloud will cross the plane in about 27 Myr. Smith's Cloud may be an example of the accretion of gas by the Milky Way needed to explain certain persistent anomalies in Galactic chemical evolution.
description: Accepted for publication in Astrophysical Journal Letters
title: Shelter: Stories of the Tragic and Joyful Young Men of a South African Shelter
Creators: name: Scaccia, Jesse
Publisher: name: Old Dominion University
publisherIdentifier: https://ror.org/04zjtrb98
publisherIdentifierScheme: ROR
Year: 2010

description: Shelter tells the story of the writer's nine months spent volunteering at a home for young men in Cape Town, South Africa. It focuses on the themes of manhood and masculinity, dignity as a found concept, self-realization through travel, modern colonialism and the first world/third world relationship, and the meaning of volunteering, for both the individual and those being "helped."
Surmounting collectively oscillating bottlenecks
Creators: name: Hennig, D.
name: Schimansky-Geier, L.
name: Hänggi, P.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Chaotic Dynamics (nlin.CD)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We study the collective escape dynamics of a chain of coupled, weakly damped nonlinear oscillators from a metastable state over a barrier when driven by a thermal heat bath in combination with a weak, globally acting periodic perturbation. Optimal parameter choices are identified that lead to a drastic enhancement of escape rates as compared to a pure noise-assisted situation. We elucidate the speed-up of escape in the driven Langevin dynamics by showing that the time-periodic external field in combination with the thermal fluctuations triggers an instability mechanism of the stationary homogeneous lattice state of the system. Perturbations of the latter provided by incoherent thermal fluctuations grow because of a parametric resonance, leading to the formation of spatially localized modes (LMs). Remarkably, the LMs persist in spite of continuously impacting thermal noise. The average escape time assumes a distinct minimum by either tuning the coupling strength and/or the driving frequency. This weak ac-driven assisted escape in turn implies a giant speed of the activation rate of such thermally driven coupled nonlinear oscillator chains.
Utilization of Health Services in the Great Plains
Creators: name: May, Alan
name: Doeksen, Gerald A.
name: Green, Bernal L.
name: May, Alan
name: Doeksen, Gerald A.
name: Green, Bernal L.
Publisher: name: Unknown
Year: 1978
Subjects: subject: Community/Rural/Urban Development
subject: Health Economics and Policy
subject: Research Methods/ Statistical Methods
subject: Health
subject: Rural development
subject: Community services
subject: Health services
subject: Great Plains

description: This health service guide aids rural decisionmakers in the Great Plains in planning needed health services for their area. By following the guide, rural planners can estimate the number of doctors their area can support; the number of cases by age group, sex, and disease that a local hospital could expect each year, and the average bed days required for treatment; the annual use an emergency room might receive; and the number of expected annual calls for ambulance service.
SN 1996cr: Confirmation of a Luminous Type IIn Supernova in the Circinus Galaxy
Creators: name: Bauer, F. E.
name: Smartt, S.
name: Immler, S.
name: Brandt, W. N.
name: Weiler, K. W.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have recently confirmed SN 1996cr as a late-time type IIn supernova (SN) via VLT spectroscopy and isolated its explosion date to ~1 yr using archival optical imaging. We briefly touch upon here the wealth of optical, X-ray, and radio archival observations available for this enigmatic source. Due to its relative proximity (3.8 +/-0.6 Mpc), SN 1996cr ranks among the brightest X-ray and radio SNe ever detected and, as such, may offer powerful insights into the structure and composition of type IIn SNe. We also find that SN 1996cr is matched to GRB 4B 960202 at a 2-3 sigma confidence level, making it perhaps the third GRB to be significantly associated with a type II SN. We speculate on whether SN 1996cr could be an off-axis or ``failed'' GRB.
description: 3 pages, 1 figure, poster proceeding for "Supernova 1987A: 20 Years After: Supernovae and Gamma-Ray Bursters" AIP, New York, eds. S. Immler, K.W. Weiler, and R. McCray
How to boost bio based fertilisers (BBFs) in the European market regarding pricing. A Joint Position Paper of the 5 RUR-08 Sister projects
Creators: name: Cartif
Publisher: name: Zenodo
Year: 2024
Subjects: BBFs
Horizon 2020
European Union (EU)
pricing
H2020

description: Joint position of WalNUT and their sister project about the pricing of bio based fertilisers (BBFs) from recycled nutrients. Available also at the project website:

http://walnutproject.eu/wp-content/uploads/2024/07/H2020-projects-jont-position-paper-PRICING-recycled-nutrients.pdf
Topological insulators in the NaCaBi family with large SOC gaps
Creators: name: Shao, Dexi
name: Guo, Zhaopeng
name: Wu, Xianxin
name: Nie, Simin
name: Sun, Jian
name: Weng, Hongming
name: Wang, Zhijun
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: By means of first-principles calculations and crystal structure searching techniques, we predict that a new NaCaBi family crystallized into the ZrBeSi-type structure (\ie $P6_{3}/mmc$) are strong topological insulators (STIs). Taking $P6_{3}/mmc$ NaCaBi as an example, the calculated band structure indicates that there is a band inversion between two opposite-parity bands at the $Γ$ point. In contrast to the well-known Bi$_2$Se$_3$ family, the band inversion in the NaCaBi family has already occured even without spin-orbit coupling (SOC), giving rise to a nodal ring surrounding $Γ$ in the $k_z=0$ plane (protected by $M_z$ symmetry). With time reversal symmetry $(\cal T)$ and inversion symmetry $(\cal I)$, the spinless nodal-line metallic phase protected by $[{\cal TI}]^2=1$ is the weak-SOC limit of the spinful topological insulating phase. Upon including SOC, the nodal ring is gapped, driving the system into a STI. Besides inversion symmetry, the nontrivial topology of NaCaBi can also be indicated by $\bar{6}$ symmetry. More surprisingly, the SOC-induced band gap in NaCaBi is about 0.34 eV, which is larger than the energy scale of room temperature. Four other compounds (KBaBi, KSrBi, RbBaBi and RbSrBi) in the family are stable at ambient pressure, both in thermodynamics and lattice dynamics, even though the gaps of them are smaller than that of NaCaBi. Thus, they provide good platforms to study topological states both in theory and experiments.
Florence Nightingale's legacy for clinical academics: A framework analysis of a clinical professorial network and a model for clinical academia.
Creators: name: Pattison, Natalie
name: Deaton, Christi
name: McCabe, Candy
name: Coates, Vivien
name: Johnston, Bridget
name: Nolan, Fiona
name: Whiting, Lisa
name: Briggs, Michelle
Publisher: name: Apollo - University of Cambridge Repository
Year: 2021

description: BACKGROUND: Clinical academic nursing roles are rare, and clinical academic leadership positions even more scarce. Amongst the United Kingdom (UK) academia, only 3% of nurses who are employed within universities are clinically active. Furthermore, access to research fellowships and research grant funding for nurses in clinical or academic practice is also limited. The work of Florence Nightingale, the original role model for clinical academic nursing, is discussed in terms of how this has shaped and influenced that of clinical academic nurse leaders in modern UK healthcare settings. We analysed case studies with a view to providing exemplars and informing a new model by which to visualise a trajectory of clinical academic careers. METHODS: A Framework analysis of seven exemplar cases was conducted for a network of Clinical Academic Nursing Professors (n = 7), using a structured template. Independent analysis highlighted shared features of the roles: (a) model of clinical academic practice, (b) infrastructure for the post, (c) capacity-building initiatives, (d) strategic influence, (e) wider influence, (f) local and national implementation initiatives, (g) research area and focus and (h) impact and contribution. FINDINGS: All seven of the professors of nursing involved in this discourse were based in both universities and healthcare organisations in an equal split. All had national and international profiles in their specialist clinical areas and were implementing innovation in their clinical and teaching settings through boundary spanning. We outline a model for career trajectories in clinical academia, and how leadership is crucial. CONCLUSION: The model outlined emphasises the different stages of clinical academic roles in nursing. Nursing as a discipline needs to embrace the value of these roles, which have great potential to raise the standards of healthcare and the status of the profession.
Measurement of Electronic Structure and Surface Reconstruction in the Superionic Cu2-xTe
Creators: name: Liu, S.
name: Xia, W.
name: Huang, K.
name: Pei, D.
name: Deng, T.
name: Liang, A. J.
name: Jiang, J.
name: Yang, H. F.
name: Zhang, J.
name: Zheng, H. J.
name: Chen, Y. J.
name: Yang, L. X.
name: Guo, Y. F.
name: Wang, M. X.
name: Liu, Z. K.
name: Chen, Y. L.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Recently, layered copper chalcogenides Cu2X family (X=S, Se, Te) has attracted tremendous research interests due to their high thermoelectric (TE) performance, which is partly due to the superionic behavior of mobile Cu ions, making these compounds phonon liquids. Here, we systematically investigate the electronic structure and its temperature evolution of the less studied single crystal Cu2-xTe by the combination of angle resolved photoemission spectroscopy (ARPES) and scanning tunneling microscope/spectroscopy (STM/STS) experiments. While the band structure of the Cu2-xTe shows agreement with the calculations, we clearly observe a 2 * 2 surface reconstruction from both our low temperature ARPES and STM/STS experiments which survives up to room temperature. Interestingly, our low temperature STM experiments further reveal multiple types of reconstruction patterns, which suggests the origin of the surface reconstruction being the distributed deficiency of liquid-like Cu ions. Our findings reveal the electronic structure and impurity level of Cu2Te, which provides knowledge about its thermoelectric properties from the electronic degree of freedom.
Enhanced Higgs boson production and avoidance of CP-violation and FCNC in the MPP inspired 2HDM
Creators: name: Froggatt, C. D.
name: Nevzorov, R.
name: Nielsen, H. B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The multiple point principle (MPP) can be used to suppress non--diagonal flavour transitions and CP violation in the two Higgs doublet extension of the standard model. We discuss the quasi--fixed point scenario in the MPP inspired two Higgs doublet model which leads to the enhanced production of Higgs particles at the LHC if the MPP scale is low.
description: Talk given at the 2007 Europhysics Conference on High Energy Physics, Manchester, England, 19-25 July 2007, CERN preprint number added, references updated
GENDER AND JOB STRESS ON THE PSYCHOLOGICAL WELLBEING OF CIVIL SERVANTS IN RIVERS STATE
Creators: name: Egbuchu, Samuel Aleruchi  Ph.D
name: Ezevunwo, Obinachi Wori PhD
name: Anizoba, Paul Obi
Publisher: name: SADI Journals
Year: 2023
Subjects: subject: Gender
subject: Job stress
subject: Psychology
subject: FOS: Psychology
subject: civil servants,
subject: Rivers State

description: This study examined Gender and Job Stress on the Psychological Wellbeing of Civil Servant in Rivers State. Three research questions and three hypotheses guided the study. Correlational research was adopted. The population comprised 7500 civil servants working in the various ministries in Rivers State. The sample size of 400 male civil servants and 350 female civil servants formed 10% of 7500 civil servants working in the various ministries in Rivers State.  A simple random sampling was used to obtain the sample size which served as the respondents. Data was collected through a self-designed instrument titled: Gender and Job Stress on Psychological Well-being Questionnaire (GJSPWQ)’ designed by the researcher after the modified Likert scale mode. Research questions were answered using Pearson Product Moment Correlation (PPMC) while the hypotheses were tested by finding the significance of r. This was achieved by converting calculated value of r (r-cal) to t-test statistics. The calculated value of t. was compared with the critical value of t at 0.05 level of significance. Findings from the study revealed the correlation coefficient between gender and general sources of job-stress on psychological wellbeing of civil servants indicated that all the items were sources of stress to civil servant, gender plays a major role in sources of stress.  The study concluded that gender and factors that cause job-stress on psychological well-being, there is significant relationship. In terms of managing stress, there is a relationship exists between gender and ways to improve psychological well-being
The challenge of simultaneously matching the observed diversity of chemical abundance patterns in cosmological hydrodynamical simulations
Creators: name: Buck, Tobias
name: Rybizki, Jan
name: Buder, Sven
name: Obreja, Aura
name: Macciò, Andrea V.
name: Pfrommer, Christoph
name: Steinmetz, Matthias
name: Ness, Melissa
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: With the advent of large spectroscopic surveys the amount of high quality chemo-dynamical data in the Milky Way (MW) increased tremendously. Accurately and correctly capturing and explaining the detailed features in the high-quality observational data is notoriously difficult for state-of-the-art numerical models. In order to keep up with the quantity and quality of observational datasets, improved prescriptions for galactic chemical evolution need to be incorporated into the simulations. Here we present a new, flexible, time resolved chemical enrichment model for cosmological simulations. Our model allows to easily change a number of stellar physics parameters such as the shape of the initial mass function (IMF), stellar lifetimes, chemical yields or SN Ia delay times. We implement our model into the Gasoline2 code and perform a series of cosmological simulations varying a number of key parameters, foremost evaluating different stellar yield sets for massive stars from the literature. We find that total metallicity, total iron abundance and gas phase oxygen abundance are robust predictions from different yield sets and in agreement with observational relations. On the other hand, individual element abundances, especially $α$-elements show significant differences across different yield sets and none of our models can simultaneously match constraints on the dwarf and MW mass scale. This offers a unique way of observationally constraining model parameters. For MW mass galaxies we find for most yield tables tested in this work a bimodality in the $[α$/Fe] vs. [Fe/H] plane of rather low intrinsic scatter potentially in tension with the observed abundance scatter.
description: main text 19 pages and 11 figures, 4 pages of appendix, 23 pages total, python code and data at https://github.com/TobiBu/chemical_enrichment.git. submitted to MNRAS, comments very welcome
Economic Effect Analysis for Operation of PV Plant According to Change the PV Support System in Korea
Creators: name: Hwang, H.M.
name: So, J.-H.
name: Yu, G.-J.
Publisher: name: WIP-Munich
Year: 2010
Subjects: PV Systems
Large PV Power Plants and High Penetration of Distributed PV: System Aspects and Grid Integration

description: 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion, 6-10 September 2010, Valencia, Spain; 4967-4970
description: In this paper we analyze the economic effect for operation of photovoltaic plants in accordance with
changing the PV support system in Korea. Recently the photovoltaic markets are rapidly changing to renovate the
photovoltaic support system by Korean government. Especially the remarkable things are slowdown of installation
for the photovoltaic plant which had constantly increased for several years. This phenomenon is guessed about the
consequence as changing the new and renewable energy support system (ex. Feed-in-tariff). Therefore we introduce
the photovoltaic support system in Korea, and model the photovoltaic plant to simulate the electricity generation,
economic analysis according to general conditions for Korean photovoltaic plant. And we check the economic
sensitivity for the FIT level, increasing the PV component’s cost, economic conditions and electrical charges. Also
we compare the economic analysis back and forth that FIT system changed.
Assessing the degradation of ancient milk proteins through site-specific deamidation patterns.
Creators: name: Ramsøe, Abigail
name: Crispin, Mia
name: Mackie, Meaghan
name: McGrath, Krista
name: Fischer, Roman
name: Demarchi, Beatrice
name: Collins, Matthew
name: Hendy, Jessica
name: Speller, Camilla
Publisher: name: Apollo - University of Cambridge Repository
Year: 2021

description: The origins, prevalence and nature of dairying have been long debated by archaeologists. Within the last decade, new advances in high-resolution mass spectrometry have allowed for the direct detection of milk proteins from archaeological remains, including ceramic residues, dental calculus, and preserved dairy products. Proteins recovered from archaeological remains are susceptible to post-excavation and laboratory contamination, a particular concern for ancient dairying studies as milk proteins such as beta-lactoglobulin (BLG) and caseins are potential laboratory contaminants. Here, we examine how site-specific rates of deamidation (i.e., deamidation occurring in specific positions in the protein chain) can be used to elucidate patterns of peptide degradation, and authenticate ancient milk proteins. First, we characterize site-specific deamidation patterns in modern milk products and experimental samples, confirming that deamidation occurs primarily at low half-time sites. We then compare this to previously published palaeoproteomic data from six studies reporting ancient milk peptides. We confirm that site-specific deamidation rates, on average, are more advanced in BLG recovered from ancient dental calculus and pottery residues. Nevertheless, deamidation rates displayed a high degree of variability, making it challenging to authenticate samples with relatively few milk peptides. We demonstrate that site-specific deamidation is a useful tool for identifying modern contamination but highlight the need for multiple lines of evidence to authenticate ancient protein data.
Signatures of a hidden cosmic microwave background
Creators: name: Jaeckel, Joerg
name: Redondo, Javier
name: Ringwald, Andreas
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: If there is a hidden photon -- i.e. a light abelian gauge boson in the hidden sector -- its kinetic mixing with the standard photon can produce a hidden cosmic microwave background (hCMB). For meV masses, resonant photon-hidden photon oscillations happen after nucleosynthesis (BBN) but before CMB decoupling, increasing the effective number of neutrinos but also the baryon to photon ratio. The current agreement between BBN and CMB data provides new constraints on the kinetic mixing. However, if one includes Lyman-alpha data, an effective number of neutrinos higher than 3 is preferred. It is tempting to interpret this effect in terms of the hCMB. Interestingly, the required parameters will be tested in the near future by laboratory experiments.
description: 4 pages, 2 figures
Exploring Electron Beam Induced Atomic Assembly via Reinforcement Learning in a Molecular Dynamics Environment
Creators: name: Vasudevan, Rama K.
name: Ghosh, Ayana
name: Ziatdinov, Maxim
name: Kalinin, Sergei V.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Atom-by-atom assembly of functional materials and devices is perceived as one of the ultimate targets of nanoscience and nanotechnology. While traditionally implemented via scanning probe microscopy techniques, recently it has been shown that the beam of a scanning transmission electron microscope can be used for targeted manipulation of individual atoms. However, the process is highly dynamic in nature and proceeds via a large number of weakly-understood individual steps. Hence, harnessing an electron beam towards atomic assembly requires automated methods to control the parameters and positioning of the beam in such a way as to fabricate atomic-scale structures reliably. Here, we create a molecular dynamics environment wherein individual atom velocities can be modified, effectively simulating a beam-induced interaction, and apply reinforcement learning to model construction of specific atomic units consisting of Si dopant atoms on a graphene lattice. We find that it is possible to engineer the reward function of the agent in such a way as to encourage formation of local clusters of dopants, whilst at the same time minimizing the amplitude of momentum changes. Inspection of the learned policies indicates that of fundamental importance is the component of velocity perpendicular to the material plane, and further, that the high stochasticity of the environment leads to conservative policies. This study shows the potential for reinforcement learning agents trained in simulated environments for potential use as atomic scale fabricators, and further, that the dynamics learned by agents encode specific elements of important physics that can be learned.
description: 17 pages, 5 figures
Homoclinic RG flows, or when relevant operators become irrelevant
Creators: name: Jepsen, Christian B.
name: Popov, Fedor K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study an $\mathcal{N}=1$ supersymmetric quantum field theory with $O(M)\times O(N)$ symmetry. Working in $3-ε$ dimensions, we calculate the beta functions up to second loop order and analyze in detail the Renormalization Group (RG) flow and its fixed points. We allow $N$ and $M$ to assume general real values, which results in them functioning as bifurcation parameters. In studying the behaviour of the model in the space of $M$ and $N$, we demarcate the region where the RG flow is non-monotonic and determine curves along which Hopf bifurcations take place. At a number of points in the space of $M$ and $N$ we find that the model exhibits an interesting phenomenon: at these points the RG flow possesses a fixed point located at real values of the coupling constants $g_i$ but with a stability matrix $\left(\frac{\partial β_i}{\partial g_j}\right)$ that is not diagonalizable and has a Jordan block of size two with zero eigenvalue. Such points correspond to logarithmic CFTs and represent Bogdanov-Takens bifurcations, a type of bifurcation known to give rise to a nearby homoclinic orbit - an RG flow that originates and terminates at the same fixed point. In the present example, we are able to employ analytic and numeric evidence to display the existence of the homoclinic RG flow.
description: 12 pages, 4 figures; v2 minor improvements