cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Developing mucoadhesive and mucuspenetrating nanoparticles for drug delivery: silica and chitosan models
Creators: name: M. Ways, Twana Mohammed
Publisher: name: University of Reading
Year: 2019

description: Mucosal drug delivery is often limited by the presence of several barriers including mucus, the harsh pH and enzymatic activity on the mucosal surfaces. Nanoparticles have shown some potential to overcome these barriers. The aim of this thesis was to investigative how functionalisation of nanoparticles with non-ionic hydrophilic polymers (polyethylene glycol (PEG), polyhydroxyethyl acrylate (PHEA), poly-2-ethyl-2-oxazoline (POZ) and polyvinyl pyrrolidone (PVP)) affects their physicochemical and mucoadhesive properties, diffusion in mucin solution as well as ability to penetrate into mucosal tissues. Silica and chitosan nanoparticles were chosen. Thiolated silica nanoparticles were functionalised with PEG and POZ and therefore three types of silica nanoparticles were obtained; thiolated, PEGylated and POZylated. After the synthesis, the effect of the pH on the size of the silica nanoparticles was studied. No significant change in the size of PEGylated silica nanoparticles over the pH range of 1.5–9 was observed. A significant increase in the size of thiolated and POZylated silica nanoparticles at pH ≤ 2 was observed. Fluorescently labelled thiolated, PEGylated and POZylated silica nanoparticles were incubated with freshly excised rat intestinal mucosae. Then, the mucosae with the nanoparticles were washed with phosphate buffer solution for several cycles and their fluorescent images were taken. It was found that PEGylated and POZylated silica nanoparticles were less mucoadhesive compared to the thiolated counterpart. This was evident by the lower fluorescence signal of the PEGylated and POZylated silica nanoparticles compared to the thiolated counterpart. Four chitosan derivatives (PEG-, PHEA-, POZ- and PVP-chitosan) were synthesised, which showed complete solubility over a broad pH range (3-9). Unmodified and modified chitosan nanoparticles were prepared using ionic gelation with sodium tripolyphosphate. Modified chitosan nanoparticles diffused faster in bovine submaxillary mucin solution measured by nanoparticle tracking analysis. The penetration of chitosan nanoparticles was evaluated using fluorescence microscopy and demonstrated that modified chitosan nanoparticles penetrated deeper into sheep nasal mucosa compared to unmodified chitosan nanoparticles. The possibilities of incorporating psychoactive drugs (haloperidol and phenobarbital) into unmodified and PVP-chitosan nanoparticles were investigated. Haloperidol-unmodified chitosan nanoparticles showed a relatively low loading capacity. However, phenobarbitalunmodified and PVP-chitosan nanoparticles showed a high loading capacity and provided a sustained drug release. These findings illustrate how the functionalisation of nanoparticles affect their physicochemical properties, which in turn determine their mucoadhesive properties and ability to penetrate mucus. They provide an important contribution to the field of mucosal drug delivery.
title: Lo que el técnico debe saber sobre los protocolos de tomografía computarizada en la patología urinaria
Creators: name: Ferreira Núñez, Silvia
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Abdomen
subject: CT
subject: Diagnostic procedure

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
La TC es cada vez más empleada en la valoración de pacientes con sospecha de patología reno-urétero-vesical. Habitualmente se requieren múltiples fases lo que implica una alta dosis de radiación y por ello es importante que el técnico conozca...
Differential cross sections for K-shell ionization by electron or positron impact
Creators: name: Mikhailov, A. I.
name: Nefiodov, A. V.
name: Plunien, G.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We have investigated the universal scaling behavior of differential cross sections for the single K-shell ionization by electron or positron impact. The study is performed within the framework of non-relativistic perturbation theory, taking into account the one-photon exchange diagrams. In the case of low-energy positron scattering, the doubly differential cross section exhibits prominent interference oscillations. The results obtained are valid for arbitrary atomic targets with moderate values of nuclear charge number Z.
description: 13 pages, 7 figures
Collision Dynamics and Rung Formation of Non-Abelian Vortices
Creators: name: Kobayashi, Michikazu
name: Kawaguchi, Yuki
name: Nitta, Muneto
name: Ueda, Masahito
Publisher: name: arXiv
Year: 2008
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the collision dynamics of two non-Abelian vortices and find that, unlike Abelian vortices, they neither reconnect themselves nor pass through each other, but create a rung between them in a topologically stable manner. Our predictions are verified using the model of the cyclic phase of a spin-2 spinor Bose-Einstein condensate.
description: 4 pages, 2 figures
title: Caracterización radiológica de las lesiones cerebrales con realce en anillo.
Creators: name: Salamé, Fares
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: MR
subject: Head and neck

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Revisar su diagnóstico diferencial.
Señalar las claves del diagnóstico y su importancia en la toma de...
Quantum theory, noncommutative gravity, and the cosmological constant problem
Creators: name: Singh, T. P.
Publisher: name: arXiv
Year: 2009
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The cosmological constant problem is principally concerned with trying to understand how the zero-point energy of quantum fields contributes to gravity. Here we take the approach that by addressing a fundamental unresolved issue in quantum theory we can gain a better understanding of the problem. Our starting point is the observation that the notion of classical time is external to quantum mechanics. Hence there must exist an equivalent reformulation of quantum mechanics which does not refer to an external classical time. Such a reformulation is a limiting case of a more general quantum theory which becomes nonlinear on the Planck mass/energy scale. The nonlinearity gives rise to a quantum-classical duality which maps a `strongly quantum, weakly gravitational' dynamics to a `weakly quantum, strongly gravitational' dynamics. This duality predicts the existence of a tiny nonzero cosmological constant of the order of the square of the Hubble constant, which could be a possible source for the observed cosmic acceleration. Such a nonlinearity could also be responsible for the collapse of the wave-function during a quantum measurement. We conclude by suggesting that the idea for the origin of dark energy proposed in this paper can be tested indirectly in the laboratory by a detailed examination of the process of quantum measurement.
description: 10 pages. One paragraph each added at the end of Section 4 and Section 7. Version matches published version
D4.5 Report on all webinars
Creators: name: Iasillo, Claudia
name: Spera, Alessio Livio
Publisher: name: Zenodo
Year: 2023
Subjects: webinars
citizen science

description: The current document, titled ’D4.5 Reports on all webinars’, has been developed within the framework of the TIME4CS project which is funded by the European Union’s Horizon 2020 Research and Innovation Programme under Grant Agreement No 101006201. 

The purpose of this Deliverable is to report on the production of 10 webinars under Task 4.3. The webinars were part of the TIME4CS training program (D4.1, D4.2 and D4.3 First - Second and Final respectively - versions of the Description of TIME4CS training programs) and as such were developed taking into consideration the key concepts, capabilities and infrastructures that are essential for researchers and other staff engaged in the design, execution, support and evaluation of citizen science activities.

The document firstly provides information about the objectives and methodologies applied for the webinars’ development (Chapter 2) and then it provides information about the concept, format, target, collaboration with other EU initiatives and webinars’ promotion (Chapter 3). For each webinar, reference material is provided in Chapter 4. Finally, details of webinar participation are provided in Chapter 5 and the strategy for the webinars’ sustainability is outlined in Chapter 6.
title: Investigation of the mechanisms underlying the vascular relaxation mediated by n-3 PUFAs (fish oils), docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), in resistance and conduit arteries
Creators: name: Limbu, Roshan
Publisher: name: University of Reading
Year: 2019

description: There is extensive evidence demonstrating the protective effects of fish oils or omega-3 polyunsaturated fatty acids (n-3 PUFAs) against cardiovascular diseases. It is widely accepted that the main n-3 PUFAs involved with these therapeutic effects are DHA and EPA. These PUFAs have been reported to reduce blood pressure by improving various vasodilation pathways. However, most of these studies focus on either DHA or EPA in a single artery. Therefore, this PhD project involved the comprehensive characterisation of the underlying vasodilation mechanisms of both n-3 PUFAs using conduit and resistance rat arteries. Wire myograph was used to examine acute vasodilation effects of n-3 PUFAs in preconstricted rat arteries, mostly via the use of pharmacological inhibitors. Stable cells that allowed inducible expression of TRPV4 was generated to assess changes in channel activity with n-3 PUFAs, using Fluo-4 AM based calcium imaging. n-3 PUFA mediated activation of KATP channels was also examined by using stable cells and whole cell patch clamp. The novel role of IKCa was observed in DHA-induced relaxation. Consistent with previous studies, BKCa was also involved in the relaxation effects of n-3 PUFAs. The presence of KATP and Kv7 component in n-3 PUFA-mediated vasodilation was also demonstrated for the first time. One of the most important highlights of my findings is the heterogeneity in the vasodilation mechanisms that was dependent upon both the type of n-3 PUFA and artery. These findings will be invaluable for future vascular studies that focus on investigating the prospect of using n-3 PUFA and novel fatty acid analogues as treatments that target specific vasodilation pathways, that are involved in providing therapeutic benefits against certain cardiovascular disorders.
Contact angle dependence on the fluid-wall dispersive energy
Creators: name: Horsch, Martin
name: Heitzig, Martina
name: Dan, Calin
name: Harting, Jens
name: Hasse, Hans
name: Vrabec, Jadran
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Vapor-liquid menisci of the truncated and shifted Lennard-Jones fluid between parallel planar walls are investigated by molecular dynamics simulation. Thereby, the characteristic energy of the unlike dispersive interaction between fluid molecules and wall atoms is systematically varied to determine its influence on the contact angle. The temperature is varied as well, covering most of the range between the triple point temperature and the critical temperature of the bulk fluid. The transition between obtuse and acute angles is found to occur at a temperature-independent magnitude of the fluid-wall dispersive interaction energy. On the basis of the present simulation results, fluid-wall interaction potentials can be adjusted to contact angle measurements.
title: La Uretra Femenina: anatomía y diagnostico de su patología mediante RM.
Creators: name: Garatea Aznar, Pedro
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: MR
subject: Urinary Tract / Bladder
subject: Pelvis
subject: Genital / Reproductive system female

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Describir la anatomía de la uretra femenina en RM y las estructuras periuretrales. Describir los hallazgos en RM que contribuyen al diagnóstico de la patología uretral tanto benigna como maligna.
Presentación de los casos más representativos...
F-theory and Neutrinos: Kaluza-Klein Dilution of Flavor Hierarchy
Creators: name: Bouchard, Vincent
name: Heckman, Jonathan J.
name: Seo, Jihye
name: Vafa, Cumrun
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study minimal implementations of Majorana and Dirac neutrino scenarios in F-theory GUT models. In both cases the mass scale of the neutrinos m_nu ~ (M_weak)^2/M_UV arises from integrating out Kaluza-Klein modes, where M_UV is close to the GUT scale. The participation of non-holomorphic Kaluza-Klein mode wave functions dilutes the mass hierarchy in comparison to the quark and charged lepton sectors, in agreement with experimentally measured mass splittings. The neutrinos are predicted to exhibit a "normal" mass hierarchy, with masses m_3,m_2,m_1 ~ .05*(1,(alpha_GUT)^(1/2),alpha_GUT) eV. When the interactions of the neutrino and charged lepton sectors geometrically unify, the neutrino mixing matrix exhibits a mild hierarchical structure such that the mixing angles theta_23 and theta_12 are large and comparable, while theta_13 is expected to be smaller and close to the Cabibbo angle: theta_13 ~ theta_C ~ (alpha_GUT)^(1/2) ~ 0.2. This suggests that theta_13 should be near the current experimental upper bound.
description: v2: 83 pages, 10 figures, references added
The prospects for an electron electric dipole moment search with ferroelectric (Eu,Ba)TiO$_3$ ceramics
Creators: name: Sushkov, A. O.
name: Eckel, S.
name: Lamoreaux, S. K.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We propose to use ferroelectric (Eu,Ba)TiO$_3$ ceramics just above their magnetic ordering temperature for a sensitive electron electric dipole moment search. We have synthesized a number of such ceramics with various Eu concentrations and measured their properties relevant for such a search: permeability, magnetization noise, and ferroelectric hysteresis loops. The results of our measurements indicate that a search for the electron electric dipole moment with Eu$_{0.5}$Ba$_{0.5}$TiO$_3$ should lead to an order of magnitude improvement on the current best limit.
title: Diagnostico por imagen de la patología urgente de origen no traumático en cabeza y cuello.
Creators: name: Garatea Aznar, Pedro
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: MR
subject: Ultrasound
subject: CT-High Resolution
subject: Emergency
subject: Head and neck

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Describir los hallazgos,
fundamentalmente mediante tomografía computarizada,
que contribuyen al diagnóstico de la patología urgente de origen no traumático en cabeza y cuello. Presentación de los casos más representativos vistos en nuestro...
title: Measuring peatland carbon uptake by remote sensing
Creators: name: Lees, Kirsten
Publisher: name: University of Reading
Year: 2019

description: Peatlands are an important ecosystem for carbon storage, due to their semi-permanent water saturated condition which inhibits decomposition. Many peatlands in the UK have been degraded through human land use to the point where they are releasing carbon, and restoration is now a priority to protect these landscapes and the carbon held within them. Most methods of monitoring peatland restoration are small-scale and expensive. Remote sensing methods, however, are large-scale and often freely available to the end user. This project considers the potential benefits of using remote sensing to estimate peatland carbon uptake, and describes experiments which answer research questions in this area. Much of the work was done within the Forsinard Flows RSPB reserve, which has a chronosequence of blanket bog sites at different stages of restoration. A laboratory experiment on the effects of drought stress on the carbon flux and spectral reflectance of Sphagnum moss was first completed. This was followed by a field experiment to assess factors affecting peatland GPP and whether these could be detected by remote sensing data. The final part of this project involved the development of a Temperature and Greenness (TG) model using remote sensing to estimate GPP across blanket bog ecosystems. The project used both flux chamber and eddy covariance techniques to measure carbon uptake and compared the results to spectral reflectance at small-scale using a hand-held spectrometer, and large-scale using satellite data from MODIS. The results from these experiments suggest that spectral indices, and models using them, can give information about Sphagnum drought stress, seasonal change in peatland vegetation, and restoration progress, and are functional at scales from a few centimetres up to one kilometre. Next steps could include calibrating the developed model for a range of sites to broaden its applicability, and further work into monitoring water table depth using remote sensing
title: Ecografía hepática con contraste: detección y caracterización de lesiones focales.
Creators: name: Carrillo García, María
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Abdomen
subject: Liver
subject: Ultrasound
subject: Contrast agent-intravenous

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Ilustrar mediante ecografía con contraste las lesiones focales hepáticas más frecuentes en distintos contextos...
Fermion Masses and Mixings in a S4 Based Model
Creators: name: Bazzocchi, Federica
name: Merlo, Luca
name: Morisi, Stefano
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: It has been recently claimed that the symmetry group S4 yields to the Tri-bimaximal neutrino mixing in a "natural" way from the group theory point of view. Approving of this feature as an indication, we build a supersymmetric model of lepton and quark masses based on this family symmetry group. In the lepton sector, a correct mass hierarchy among the charged leptons is achieved together to a neutrino mass matrix which can be diagonalized by the Tri-bimaximal pattern. Our model results to be phenomenologically unequivalent with respect to other proposals based on different flavour groups but still predicting the Tri-bimaximal mixing. In the quark sector a realistic pattern for masses and mixing angles is obtained. The flavour structures of the mass matrices in both the sectors come from the spontaneously symmetry breaking of S4, due to several scalar fields, which get non-zero vacuum expectation values. A specific vacuum alignment is required and it is shown to be a natural results of the minimization of the scalar potential and, moreover, to be stable under the corrections from the higher order terms.
description: 25 pages, LaTeX; added references and minor correctios
Spaces of maps into topological group with the Whitney topology
Creators: name: Banakh, Taras
name: Mine, Kotaro
name: Sakai, Katsuro
name: Yagasaki, Tatsuhiko
Publisher: name: arXiv
Year: 2009
Subjects: subject: Geometric Topology (math.GT)
subject: General Topology (math.GN)
subject: FOS: Mathematics
subject: 46A13, 46T10, 54H11, 57N20, 58D15

description: Let X be a locally compact Polish space and G a non-discrete Polish ANR group. By C(X,G), we denote the topological group of all continuous maps f:X \to G endowed with the Whitney (graph) topology and by C_c(X,G) the subgroup consisting of all maps with compact support. It is known that if X is compact and non-discrete then the space C(X,G) is an l_2-manifold. In this article we show that if X is non-compact and not end-discrete then C_c(X,G) is an (R^\infty \times l_2)-manifold, and moreover the pair (C(X,G), C_c(X,G)) is locally homeomorphic to the pair of the box and the small box powers of l_2.
description: 11 pages
Computing isogenies between abelian varieties
Creators: name: Lubicz, David
name: Robert, Damien
Publisher: name: arXiv
Year: 2010
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14K02

description: We describe an efficient algorithm for the computation of separable isogenies between abelian varieties represented in the coordinate system given by algebraic theta functions. Let $A$ be an abelian variety of dimension $g$ defined over a field of odd characteristic. Our algorithm decomposes in two principal steps. First, given a theta null point for $A$ and a subgroup $K$ isotropic for the Weil pairing, we explain how to compute the theta null point corresponding to the quotient abelian variety $A/K$. Then, from the knowledge of a theta null point of $A/K$, we give an algorithm to obtain a rational expression for an isogeny from $A$ to $A/K$. The algorithm resulting as the combination of these two steps can be viewed as a higher dimensional analog of the well known algorithm of Vélu to compute isogenies between elliptic curves. In the case that $K$ is isomorphic to $(\Z / \ell \Z)^g$ for $\ell \in \N^*$, the overall time complexity of this algorithm is equivalent to $O(\log \ell)$ additions in $A$ and a constant number of $\ell^{th}$ root extractions in the base field of $A$. In order to improve the efficiency of our algorithms, we introduce a compressed representation that allows to encode a point of level $4\ell$ of a $g$ dimensional abelian variety using only $g(g+1)/2\cdot 4^g$ coordinates. We also give formulas to compute the Weil and commutator pairings given input points in theta coordinates.
Bayesian Constraints on theta_{13} from Solar and KamLAND Neutrino Data
Creators: name: Ge, H. L.
name: Giunti, C.
name: Liu, Q. Y.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present the results of a Bayesian analysis of solar and KamLAND neutrino data in the framework of three-neutrino mixing. We adopt two approaches for the prior probability distribution of the oscillation parameters Delta m^2_{21}, sin^2 theta_{12}, sin^2 theta_{13}: 1) a traditional flat uninformative prior; 2) an informative prior which describes the limits on sin^2 theta_{13} obtained in atmospheric and long-baseline accelerator and reactor neutrino experiments. In both approaches, we present the allowed regions in the sin^2 theta_{13} - Delta m^2_{21} and sin^2 theta_{12} - sin^2 theta_{13} planes, as well as the marginal posterior probability distribution of sin^2 theta_{13}. We confirm the 1.2 sigma hint of theta_{13} > 0 found in hep-ph/0806.2649 from the analysis of solar and KamLAND neutrino data. We found that the statistical significance of the hint is reduced to about 0.8 sigma by the constraints on sin^2 theta_{13} coming from atmospheric and long-baseline accelerator and reactor neutrino data, in agreement with arXiv:0808.2016.
description: 21 pages. Final version published in Phys. Rev. D 80 (2009) 053009
title: Análisis  de la angioarquitectura de las Malformaciones Arteriovenosas  cerebrales y su implicación clínico-terapéutica.
Creators: name: Moreno Negrete, Javier
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Interventional vascular
subject: Neuroradiology brain
subject: Vascular
subject: Catheter arteriography
subject: Education
subject: Diagnostic procedure
subject: Arteriovenous malformations

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
1. Describir las características de la angioarquitectura de las MAVs cerebrales 2. Describir la relación de éstas con la forma de presentación y con los riesgos asociados a cada modalidad de tratamiento (Cirugía,
terapia endovascular y...
Bright and Dark periods in the Entanglement Dynamics of Interacting Qubits in Contact with the Environment
Creators: name: Das, Sumanta
name: Agarwal, G. S.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Interaction among the qubits are basis to many quantum logic operations. We report how such inter-qubit interactions can lead to new features, in the form of bright and dark periods in the entanglement dynamics of two qubits subject to environmental perturbations. These features are seen to be precursors to the well known phenomenon of sudden death of entanglement [Yu $&$ Eberly, Phys. Rev. Lett. {\bf 93}, 140404 (2004)] for noninteracting qubits. Further we find that the generation of bright and dark periods are generic and occur for wide varieties of the models of environment. We present explicit results for two popular models.
description: New published version, corrected figures
title: Ultrasonografía del globo ocular. Lo que un radiólogo necesita saber
Creators: name: Correa Soto, Roberto
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Eyes
subject: Anatomy
subject: Ultrasound

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Describir la técnica de realización de la ultrasonografía del globo ocular. Identificar ultrasonográficamente las distintas estructuras del globo ocular. Caracterizar las principales patologías del globo ocular evidenciadas mediante la...
The confined hydrogen atom with a moving nucleus
Creators: name: Fernandez, Francisco M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the hydrogen atom confined to a spherical box with impenetrable walls but, unlike earlier pedagogical articles on the subject, we assume that the nucleus also moves. We obtain the ground-state energy approximately by means of first--order perturbation theory and by a more accurate variational approach. We show that it is greater than the one for the case in which the nucleus is clamped at the center of the box. Present approach resembles the well-known treatment of the helium atom with clamped nucleus.
Spin rotation as an element of polarization experiments on elastic electron-proton scattering
Creators: name: Slad, L. M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The validity of some rules in the classical theory of spin, which are followed by the Bargmann--Michel--Telegdi formula for a relativistic particle spin rotation in a constant homogeneous magnetic field, is analyzed. In the framework of the quantum theory, we give examples where these rules are violated. Consequences for polarization experiments are discussed.
description: 9 pages, no figures, published version
Additional file 5 of Design and implementation of a basic and global point of care ultrasound (POCUS) certification curriculum for emergency medicine faculty
Creators: name: Russell, Frances M.
name: Kennedy, Sarah K.
name: Rood, Loren K.
name: Nti, Benjamin
name: Herbert, Audrey
name: Rutz, Matt A.
name: Palmer, Megan
name: Ferre, Robinson M.
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Additional file 5. Post OSCE.
Capillary filling in microchannels patterned by posts
Creators: name: Mognetti, B. M.
name: Yeomans, J. M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We investigate the capillary filling of three dimensional micro-channels with surfaces patterned by posts of square cross section. We show that pinning on the edges of the posts suppresses, and can halt, capillary filling. We stress the importance of the channel walls in controlling whether filling can occur. In particular for channels higher than the distance between adjacent posts, filling occurs for contact angles less than a threshold angle \sim 55 deg., independent of the height of the channel.
description: To appear in Phys. Rev. E
Orbital Angular Momentum in the Nucleon
Creators: name: Garvey, Gerald T.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Analysis of the measured value of the integrated \bar{d}-\bar{u} asymmetry (Ifas = 0.147+-0.027) in the nucleon show it to arise from nucleon fluctuations into baryon plus pion. Requiring angular momentum conservation in these fluctuations shows the associated orbital angular momentum is equal to the value of the flavor asymmetry.
description: correcting some arithmetic(numbers)
Multi-Skyrmions with Vector Mesons
Creators: name: Sutcliffe, Paul
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: It is known that including vector mesons stabilizes the size of a Skyrmion without the need for a Skyrme term. This paper provides the first results for static multi-Skyrmions in such a theory. The rational map ansatz is used to investigate multi-Skyrmions in a theory which includes the omega vector meson and has no Skyrme term. Bound states with baryon numbers two, three and four are found, which have axial, tetrahedral and cubic symmetries, respectively. The results reveal a qualitative similarity with the standard Skyrme model with a Skyrme term and no vector mesons, suggesting that some features are universal and do not depend on the details of the theory. Setting the pion decay constant and meson masses to their experimental values leaves only a single free parameter in the model. Fixing this parameter, by equating the energy of the baryon number four Skyrmion to the Helium-4 mass, yields reasonable results for other baryon numbers.
description: Version to appear in Phys. Rev. D
X-ray and Radio Timing of the Pulsar in 3C 58
Creators: name: Livingstone, Margaret A.
name: Ransom, Scott
name: Camilo, Fernando
name: Kaspi, Victoria M.
name: Lyne, Andrew
name: Kramer, Michael
name: Stairs, Ingrid H.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present timing data spanning 6.4 yr for the young and energetic PSR J0205+6449, in the supernova remnant 3C 58. Data were obtained with the Rossi X-ray Timing Explorer, the Jodrell Bank Observatory and the Green Bank Telescope. We present phase-coherent timing analyses showing timing noise and two spin-up glitches with fractional frequency increases of ~3.4E-7 near MJD 52555, and ~3.8E-6 between MJDs 52777 and 53062. These glitches are unusually large if the pulsar was created in the historical supernova in 1181 as has been suggested. For the X-ray timing we developed a new unbinned maximum-likelihood method for determining pulse arrival times which performs significantly better than the traditional binned techniques. In addition, we present an X-ray pulse profile analysis of four years of RXTE data showing that the pulsar is detected up to ~40 keV. We also present the first measurement of the phase offset between the radio and X-ray pulse for this source, showing that the radio pulse leads the X-ray pulse by phi=0.10+/-0.01 in phase. We compile all known measurements of the phase offsets between radio and X-ray and radio and gamma-ray pulses for X-ray and gamma-ray pulsars. We show that there is no relationship between pulse period and phase offset, supported by our measurement of the phase offset for PSR J0205+6449.
description: 19 pages, 12 figures. Published in the Astrophysical Journal. Includes additional data analysis and two new figures
Additional file 6 of Design and implementation of a basic and global point of care ultrasound (POCUS) certification curriculum for emergency medicine faculty
Creators: name: Russell, Frances M.
name: Kennedy, Sarah K.
name: Rood, Loren K.
name: Nti, Benjamin
name: Herbert, Audrey
name: Rutz, Matt A.
name: Palmer, Megan
name: Ferre, Robinson M.
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Additional file 6. Pre- and post-soft tissue and thoracic test (for the pediatric faculty).
XIZMAT KO'RSATISH KORXONALARIDA IQTISODIY RESURSLARNI BOSHQARISH MEXANIZMINI TAKOMILLASHTIRISH
Creators: name: Xasanov, Axmadjon
Publisher: name: Zenodo
Year: 2025

description: Mazkur maqolada xizmat ko‘rsatish korxonalarida iqtisodiy resurslarni boshqarishning dolzarb muammolari va zamonaviy mexanizmlari tahlil qilingan. Xizmat ko‘rsatish sohasi O‘zbekiston iqtisodiyotida yetakchi o‘ringa chiqayotgan sharoitda, iqtisodiy resurslardan samarali foydalanish raqobatbardoshlikning muhim omili sifatida qaralmoqda. Maqolada xizmat sohasidagi resurslar tasnifi, ularning ahamiyati, boshqaruv mexanizmlari, statistika asosidagi amaliy tahlil va muammolar yechimi bo‘yicha ilmiy takliflar bayon etilgan.
Additional file 1 of Efficacy of extended view totally extra peritoneal approach versus laparoscopic intraperitoneal on lay mesh plus for abdominal wall hernias: a single center preliminary retrospective study
Creators: name: Xu, Haisong
name: Huang, Wenhao
name: Guo, Yuehua
name: Li, Mingyue
name: Peng, Gongze
name: Wu, Tianchong
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Marine Biology
subject: Science Policy
subject: Mental Health

description: Additional File 1: Ethics Statement
A temporal classification of folklore of the Okanagan Indians
Creators: name: Flynn, Francis Robert John
Publisher: name: University of British Columbia
Year: 2010

description: The Okanagan Indians classify their folklore into three states: (1) animals only in the area (2) animals and humans living harmoniously (3) animals and humans hunt and kill each other. Word counts were done on 55 stories and distance and other coefficients were calculated between pairs of stories. Cluster analyzes on the matrix of distances attempted to determine if the classifications could be arrived at methodologically. Analyzes used were Factor Analysis, Smallest Space Analysis, and Hierarchical Clustering. Results were mixed, and some techniques of Hierarchical Clustering separated the stories into the three categories.
Additional file 1 of Is Frailty Index a better predictor than pre-stroke modified Rankin Scale for neurocognitive outcomes 3-months post-stroke?
Creators: name: Munthe-Kaas, Ragnhild
name: Aam, Stina
name: Saltvedt, Ingvild
name: Wyller, Torgeir Bruun
name: Pendlebury, Sarah T.
name: Lydersen, Stian
name: Hagberg, Guri
name: Schellhorn, Till
name: Rostoft, Siri
name: Ihle-Hansen, Hege
Publisher: name: figshare
Year: 2022
Subjects: subject: Biochemistry
subject: Medicine
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
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 I. Comprehensive Geriatric Assessment-Based Frailty Index. Table II. Cognitive status pre-stroke based on Global Deterioration Scale (GDS) † N=595. Table III. Logistic regression analysis with NCD as dependent variable, and Frailty (“cognitive function” excluded from the frailty index) and mRS as predictors. N = 596.
Electronic data acquisition system for the energy balance/Bowen ratio measurement of evaporation
Creators: name: Tang, Paul Wing Kay
Publisher: name: University of British Columbia
Year: 2010

description: A system for the energy balance/Bowen ratio measurement of evaporation was designed and tested. The system produces eight channels of integrated meteorological data for evaporation calculation. The various voltages required to operate the meteorological sensors are produced internally by a bank of regulated power supplies. Control signals are generated by a quartz crystal -clock. The data in a selected channel and the time of day are displayed on the front panel of the data logger. All eight channels of data and the time are printed on a paper tape every 15 or 30 minutes as desired. The output circuitry was designed to be compatible with microprocessor components. The data logger is contained in a 60 cm x 50 cm x 40 cm metal cabinet and is powered by 110 VAC. The laboratory and field tests of the system were successful.
Additional file 1 of Optimising diagnosis and post-diagnostic support for people living with dementia: geriatricians’ views
Creators: name: Mansfield, Elise
name: Bryant, Jamie
name: Nair, Balakrishnan R.
name: Zucca, Alison
name: Pulle, Ranjeev Chrysanth
name: Sanson-Fisher, Rob
Publisher: name: figshare
Year: 2022
Subjects: subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Science Policy

description: Additional file 1. Copy of the participant survey.
Gemini NIFS survey of feeding and feedback in nearby Active Galaxies -- V. Molecular and Ionised Gas Kinematics
Creators: name: Bianchin, M.
name: Riffel, R. A.
name: Storchi-Bergmann, T.
name: Riffel, R.
name: Ruschel-Dutra, D.
name: Harrison, C. M.
name: Dahmer-Hahn, L. G.
name: Mainieri, V.
name: Schonell, A. J.
name: Dametto, N. Z.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We study the gas distribution and kinematics of the inner kpc of six moderately luminous (43.43$\leq$log$L_{\rm bol}\leq$44.83) nearby ($0.004 \leq z \leq 0.014$) Seyfert galaxies observed with the Near-infrared Integral Field Spectrograph (NIFS) in the J(1.25$μ$m) and K(2.2$μ$m) bands. We analyse the most intense emission lines detected on these spectral wavebands: [Fe II] 1.2570 $μ$m and Pa$β$, which trace the ionised gas in the partially and fully ionised regions, and H$_2$2.1218$μ$m, that traces the hot ($\sim 2000$ K) molecular gas. The dominant kinematic component is rotation in the disc of the galaxies, except for the ionised gas in NGC 5899 which shows only weak signatures of a disc component. We find ionised gas outflow in four galaxies, while signatures of H$_2$ outflows are seen in three galaxies. The ionised gas outflows display velocities of a few hundred km\,s$^{-1}$, and their mass-outflow rates are in the range $0.005 - 12.49$M$_{\odot}$yr$^{-1}$ . Their kinetic powers correspond to $0.005-0.7$ per cent of the AGN bolometric luminosities. Besides rotation and outflows signatures in some cases, the H 2 kinematics reveals also inflows in three galaxies. The inflow velocities are $50-80$km\,s$^{-1}$ and the mass inflow rates are in the range $1 - 9 \times 10^{-4}$M$_{\odot}$yr$^{-1}$ for hot molecular gas. These inflows might be only the hot skin of the total inflowing gas, which is expected to be dominated by colder gas. The mass inflow rates are lower than the current accretion rates to the AGN, and the ionised outflows are apparently disturbing the gas in the inner kpc.
description: Accepted for publication in November 26, 2021
Constraining the Milky Way potential with a 6-D phase-space map of the GD-1 stellar stream
Creators: name: Koposov, Sergey E.
name: Rix, Hans-Walter
name: Hogg, David W.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The narrow GD-1 stream of stars, spanning 60 deg on the sky at a distance of ~10 kpc from the Sun and ~15 kpc from the Galactic center, is presumed to be debris from a tidally disrupted star cluster that traces out a test-particle orbit in the Milky Way halo. We combine SDSS photometry, USNO-B astrometry, and SDSS and Calar Alto spectroscopy to construct a complete, empirical 6-dimensional phase-space map of the stream. We find that an eccentric orbit in a flattened isothermal potential describes this phase-space map well. Even after marginalizing over the stream orbital parameters and the distance from the Sun to the Galactic center, the orbital fit to GD-1 places strong constraints on the circular velocity at the Sun's radius V_c=224 \pm 13 km/s and total potential flattening q_Φ=0.87^{+0.07}_{-0.04}. When we drop any informative priors on V_c the GD-1 constraint becomes V_c=221 \pm 18 km/s. Our 6-D map of GD-1 therefore yields the best current constraint on V_c and the only strong constraint on q_Φat Galactocentric radii near R~15 kpc. Much, if not all, of the total potential flattening may be attributed to the mass in the stellar disk, so the GD-1 constraints on the flattening of the halo itself are weak: q_{Φ,halo}>0.89 at 90% confidence. The greatest uncertainty in the 6-D map and the orbital analysis stems from the photometric distances, which will be obviated by Gaia.
description: 16 pages, 18 figures; accepted to ApJ; full resolution version is available at http://www.ast.cam.ac.uk/~koposov/files/gd1_fullres.pdf
Enhancing coal bed methane recovery: using injection of nitrogen and carbon dioxide mixture
Creators: name: Talapatra, Akash
name: Subasis Halder
name: Chowdhury, Abed Inan
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Space Science
subject: Physiology
subject: FOS: Biological sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine

description: Nitrogen (N2) and carbon dioxide (CO2) gases injection yield substantially various recovery ways. Here, a one-dimensional mathematical model is applied comprising of mass balances for explaining gas sorption and flow, and a geomechanical relationship to describe the permeability changes during gas injection. That’s why numerical simulations for investigating the performance of injecting flue gas mixture in enhanced coal bed methane (ECBM) recovery are represented. Significant intuitive features are found regarding the gas flow dynamics at the time of displacement and influences of sorption on ECBM operation. The study revealed that the injection of pure CO2 causes much reduction in cleat permeability, but pure N2 is injected to increase the permeability without any loss of injectivity. Therefore, pure CO2 causes more efficient displacement in terms of total CH4 recovery, while the addition of N2 to the mixture assists to make quicker the initial methane recovery.
title: RESONANCIA MAGNÉTICA FUNCIONAL EN REPOSO (RS-RMf): Relación entre las redes por defecto y la complejidad de las tareas.
Creators: name: Granados Sanchez, Ana Maria
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Neuroradiology brain
subject: MR-Functional imaging

description: Objetivos
Material y método
Resultados
Conclusiones
Bibliografía
description: Objetivos:
Determinar el comportamiento del Circuito de Activación por Defecto (CAD) en sujetos sanos durante la ejecución de tareas motoras,
de lenguaje,
memoria y visuales en comparación con lo ya establecido en reposo utilizando Resonancia Magnética...
title: Localizaciones inusuales de Linfomas primarios extranodales: Espectro de imágenes.
Creators: name: Siu Navarro, Youck Jen
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Oncology
subject: Lymphoma

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Revisar las características clínicas y radiológicas de localizaciones poco frecuentes de presentación de linfomas primarios,
diagnosticados en nuestro hospital,
enfatizando los hallazgos de imagen en su diagnóstico...
title: Estadificación local del cáncer de recto mediante RM:guía para el informe radiológico.
Creators: name: Martín Martínez, Laura
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Oncology
subject: Abdomen
subject: MR
subject: Staging
subject: Structured reporting
subject: Neoplasia

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Mostrar la anatomía normal de la pelvis en RM,
describir el protocolo más adecuado para obtener estudios satisfactorios así como el estadiaje local del cáncer de recto con aquellos aspectos que deben ser valorados y reseñados en el informe...
Cosmic-Lab: Optical companions to binary Millisecond Pulsars
Creators: name: Pallanca, Cristina <1985>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2014
Subjects: FIS/05 Astronomia e astrofisica

description: Millisecond Pulsars (MSPs) are fast rotating, highly magnetized neutron stars. According to the "canonical recycling scenario", MSPs form in binary systems containing a neutron star which is spun up through mass accretion from the evolving companion. Therefore, the final stage consists of a binary made of a MSP and the core of the deeply peeled companion. In the last years, however an increasing number of systems deviating from these expectations has been discovered, thus strongly indicating that our understanding of MSPs is far to be complete.

The identification of the optical companions to binary MSPs is crucial to constrain the formation and evolution of these objects. In dense environments such as Globular Clusters (GCs), it also allows us to get insights on the cluster internal dynamics. 

By using deep photometric data, acquired both from space and ground-based telescopes, we identified 5 new companions to MSPs. Three of them being located in GCs and two in the Galactic Field. The three new identifications in GCs increased by 50% the number of such objects known before this Thesis. They all are non-degenerate stars, at odds with the expectations of the "canonical recycling scenario". These results therefore suggest either that transitory phases should also be taken into account, or that dynamical processes, as exchange interactions, play a crucial role in the evolution of MSPs.

We also performed a spectroscopic follow-up of the companion to PSRJ1740-5340A in the GC NGC 6397, confirming that it is a deeply peeled star descending from a ~0.8Msun progenitor. This nicely confirms the theoretical expectations about the formation and evolution of MSPs.