cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Network based modelling for Neuroblastoma drug discovery
Creators: name: Lee, Samuel C.
name: Williams, Nathan P.
name: Belamy Cheung
name: Marshall, Glenn
name: Holien, Jessica K.
Publisher: name: F1000 Research Limited
Year: 2019

description: Neuroblastoma is the most common solid tumour in infants. However, due to its heterogeneous presentation successful treatment is rare even with intensive multi-modal therapy. Treatment of Neuroblastoma is further affected by the high rates of refractory and relapsed metastasis that occur in patients. There currently is an unmet need for treatments specific to this relapsed form of the disease.

While a number of proteins have been associated with Neuroblastoma (e.g., N-MYC) no druggable targets have been found to date. By utilising multiple extensive public protein-protein interaction networks together with transcriptomic data from Neuroblastoma patients we can identify which aspects of the interaction networks are perturbed within primary and relapsed neuroblastoma. Further, by integration of structural data for proteins in our networks protein interactions between targets that are amenable to structure based drug design can be prioritised for cell based assays. This combination of disease specific data with databases detailing protein interactions and structures allows for richer prediction of potential targets for treatment of Neuroblastoma.
Dephasing in matter-wave interferometry
Creators: name: Lombardo, Fernando C.
name: Villar, Paula I.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: Other Condensed Matter (cond-mat.other)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We review different attempts to show the decoherence process in double-slit-like experiments both for charged particles (electrons) and neutral particles with permanent dipole moments. Interference is studied when electrons or atomic systems are coupled to classical or quantum electromagnetic fields. The interaction between the particles and time-dependent fields induces a time-varying Aharonov phase. Averaging over the phase generates a suppression of fringe visibility in the interference pattern. We show that, for suitable experimental conditions, the loss of contrast for dipoles can be almost as large as the corresponding one for coherent electrons and therefore, be observed. We analyze different trajectories in order to show the dependence of the decoherence factor with the velocity of the particles.
description: 9 pages, 1 eps-figure. To appear in J. Phys. A: Math. Gen
Hecke-Langlands Duality and Witten's Gravitational Moonshine
Creators: name: Potemine, Igor Yu.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: Number Theory (math.NT)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We show that there is a dual description of conformal blocks of $d=2$ rational CFT in terms of Hecke eigenfields and eigensheaves. In particular, partition functions, conformal characters and lattice theta functions may be reconstructed from the action of Hecke operators. This method can be applied to: 1) rings of integers of Galois number fields equipped with the trace (or anti-trace) form; 2) root lattices of affine Kac-Moody algebras and WZW-models; 3) minimal models of Belavin-Polyakov-Zamolodchikov and related $d=2$ spin-chain/lattice models; 4) vertex algebras of Leech and Niemeier lattices and others. We also use the original Witten's idea to construct the 3-dimensional quantum gravity as the AdS/CFT-dual of $c=24$ Monster vertex algebra of Frenkel-Lepowsky-Meurman. Concerning the geometric Langlands duality, we use results of Beilinson-Drinfeld, Frenkel-Ben-Zvi, Gukov-Kapustin-Witten and many others (cf. references).
description: 12 pages
Second gradient electrodynamics: a non-singular relativistic field theory
Creators: name: Lazar, Markus
name: Leck, Jakob
Publisher: name: arXiv
Year: 2020
Subjects: subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: In this paper, we give the covariant formulation of second gradient electrodynamics, which is a generalized electrodynamics of second order including derivatives of higher order. The relativistic form of the field equations, the energy-momentum tensor and the Lorentz force density are presented. For an electric point charge, the generalized Lienard-Wiechert potentials and the corresponding electromagnetic field strength tensor are given as retarded integral expressions. Explicit formulas for the electromagnetic potential vector and electromagnetic field strength tensor of a uniformly moving point charge are found without any singularity and discontinuity. In addition, a world-line integral expression for the self-force of a charged point particle is given. The relativistic equation of motion of a charged particle coupled with electromagnetic fields in second gradient electrodynamics is derived, which is an integro-differential equation with nonlocality in time. For a uniformly accelerated charge, explicit formulas of the self-force and the electromagnetic mass, being non-singular, are given. Moreover, the wave propagation and the dispersion relations in the vacuum of second gradient electrodynamics are analyzed. Three modes of waves were found: one non-dispersive wave as in Maxwell electrodynamics, and two dispersive waves similar to the wave propagation in a collisionless plasma.
description: 22 pages, 5 figures
Epidemiology of Emergency Medical Services-Attended out-of-Hospital Deliveries and Complications in the United States
Creators: name: Cash, Rebecca E.
name: Kaimal, Anjali J.
name: Samuels-Kalow, Margaret E.
name: Boggs, Krislyn M.
name: Swanton, Maeve F.
name: Camargo, Carlos A.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biochemistry
subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: Science Policy
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Prehospital obstetric events, including out-of-hospital deliveries and their complications, are a rare but high-risk event encountered by emergency medical services (EMS). Understanding the epidemiology of these encounters would help identify strategies to improve prehospital obstetric care. Our objective was to determine the characteristics of out-of-hospital deliveries and high-risk complications treated by EMS clinicians in the U.S. We conducted a cross-sectional analysis of EMS patient care records in the 2018 and 2019 National EMS Information System Public Release Version 3.4 datasets. We included EMS activations after a 9-1-1 scene response for patients aged 12–50 years with evidence of an out-of-hospital delivery or delivery complication, or where the patient was a newborn aged 0-<6 h. We examined patient, community, emergency response, and clinical characteristics using descriptive statistics. Of the 56,735,977 EMS activations included in the 2018 and 2019 datasets, there were 8,614 out-of-hospital deliveries, 1,712 delivery complications, and 5,749 records for newborns. Most maternal (76%) out-of-hospital deliveries involved patients between the ages of 20–34 years, occurred on a weekday (73%), were treated by an advanced life support crew (85%), and occurred in a home or residence (73%). EMS-assisted field delivery was documented in 3,515 (34%) of all maternal activations but only 2% of activations with a delivery complication. Few patients received an EMS-administered medication (e.g., 0.4% received oxytocin). Supplemental oxygen was administered in 870 (15%) of newborn activations. Activations from counties with the most racial/ethnic diversity were more often treated by a BLS-level unit (16% vs. 12%, p < 0.001), and activations from rural areas had significantly longer transport times (19.7 min [IQR 8.7, 32.8] vs. urban, 13.1 min [IQR 8.7, 19.7], p < 0.001). In this large, national repository of EMS patient care records from across the U.S., most activations for out-of-hospital delivery, delivery complication, or a newborn included only routine EMS care. There were potential disparities in level of care, clinical care provided, and measures of access to definitive care based on maternal and community factors. We also identified gaps in current practice, such as for postpartum hemorrhage, that could be addressed with changes in EMS clinical protocols and regulations.
Axial vector tetraquark with S=+2
Creators: name: Kanada-En'yo, Y.
name: Morimatsu, O.
name: Nishikawa, T.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Possibility of an axial vector isoscalar tetraquark with $ud\bar{s}\bar{s}$ is discussed. If the pentaquark $Θ^+(1540)$ has the $(qq)_{\bar{3}}(qq)_{\bar{3}}\bar{q}$ configuration, the isoscalar $ud\bar{s}\bar{s}$($\vartheta^+$-meson) state with $J^P=1^+$ is expected to exist in the mass region lower than or close to the mass of $Θ^+(1540)$. Within a flux-tube quark model, a possible resonant state of $ud\bar{s}\bar{s}(J^{P}=1^{+})$ is suggested to appear around 1.4 GeV with the width ${\cal{O}}(20\sim 50)$ MeV. We propose that the $\vartheta^+$-meson is a good candidate for the tetraquark search, which would be observed in the $K^+K^+π^-$ decay channel.
description: 20 pages, 5 figures, submitted to Phys.Rev.D
A national Centre for public health on Robson Street in downtown, Vancouver
Creators: name: Meneses, Joel Loreto
Publisher: name: University of British Columbia
Year: 2009

description: In 1994, a Forum on National Health was held in Sun Valley, California to discuss the responsibilities of the university for the health of urban populations. It called for the development of a "New School of Public Health" in the urban centre to deal with community crippling health issues and preventive care. The current state of health care in Canada cannot support the tradition of individual and curative care in the wake of an aging, expanding population and rising medical costs. Efforts must be directed towards preventive, public health education. This thesis will deal with three major issues: (I) the re-establishment of a National School of Public Health as an academic institution and part of a new civic building - an Academic Health Centre; (2) to house in the Academic Health Centre major public and community health related facilities in Vancouver such as the Dr. Peter AIDS Foundation and Hospice; and (3) to urbanize the Academic Health Centre in downtown Vancouver as a way to educate the community about preventive health issues through passive and interactive means such as billboarding, media, and ease of accessibility to lectures, and resource facilities.
The search for galaxy cluster members with deep learning of panchromatic HST imaging and extensive spectroscopy
Creators: name: Angora, G.
name: Rosati, P.
name: Brescia, M.
name: Mercurio, A.
name: Grillo, C.
name: Caminha, G.
name: Meneghetti, M.
name: Nonino, M.
name: Vanzella, E.
name: Bergamini, P.
name: Biviano, A.
name: Lombardi, M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The next generation of data-intensive surveys are bound to produce a vast amount of data, which can be dealt with using machine-learning methods to explore possible correlations within the multi-dimensional parameter space. We explore the classification capabilities of convolution neural networks (CNNs) to identify galaxy cluster members (CLMs) by using Hubble Space Telescope (HST) images of 15 galaxy clusters at redshift 0.19
description: 24 pages, 21 figures, to be published in Astronomy & Astrophysics
Caring at Cardiology Clinic versus Heart Failure Clinic: Impact of Implementation of Guideline-Directed Medical Therapy in Heart Failure with Reduced Ejection Fraction in Outcomes of Death and Heart Failure Readmission
Creators: name: Supaphong Eiamakarawit
name: Wichada Hunsakunachai
Publisher: name: Text and Journal Publication
Year: 2023
Subjects: guideline-directed medical therapy
heart failure clinic
heart failure reduced ejection fraction
readmission

description: Vajira Medical Journal: Journal of Urban Medicine, 67, 4, none
Erwartungen an die 7. Vollversammlung des ÖRK in Canberra aus der Sicht der EKD
Creators: name: Kruse, Martin
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 40 Nr. 1 (1991): Ökumenische Rundschau, Band 40, Heft 1
A Simulation Study on Multicomponent Lipid Bilayer
Creators: name: Banerjee, Srilekha
name: Saha, Jayashree
Publisher: name: arXiv
Year: 2005
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Simulation of a multicomponent lipid bilayer having a fixed percentage of cholesterol is done to study phase transition leading to domain formation. The concept of random lattice has been used in simulation to account for the coupling between the internal and translational degrees of freedom of lipid molecules. Considering a canonical ensemble, dissimilar lipid molecules are allowed to exchange their positions in the lattice subject to standard metropolis algorithm. The steps involved in the process effectively takes into account for the movement of sphingolipids and cholesterol molecules helping formation of cholesterol rich domains of saturated lipids as found in natural membranes.
Combination of Optical Transitions of Polarons with Rashba Effect in Methylammonium Lead Tri-halide Perovskites under High Magnetic Fields
Creators: name: Choi, Halim
name: Shin, Yong Ho
name: Park, Chang Soo
name: Kim, Yongmin
name: Park, Daeyoung
name: Jeong, Moon Seok
name: Nojiri, Hiroyuki
name: Yang, Zhuo
name: Kohama, Yoshimitsu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We investigate photoluminescence (PL) transitions of MAPbX$_{3}$ (X = I, Br and Cl) organic-inorganic hybrid perovskite single crystals under magnetic fields of up to 60 T. In these materials, sharp free-exciton transition peaks emerge at a low temperature (4.2 K). Under strong magnetic fields, the free-exciton PL transitions of three different halogens show dramatic differences. The free-exciton transitions of the MAPbCl$_{3}$ crystal undergo negative energy shifts, while those of the MAPbBr$_{3}$ crystal show normal diamagnetic shifts. To obtain the variation from Cl to Br, we attempt to measure PL transitions of MAPbCl$_{x}$Br$_{3-x}$. For MAPbI$_{3}$, the transition-energy shifts for both $σ^{+}$ and $σ^{-}$ transitions at 4.2 K exhibit a power-law dependence on the magnetic field. Such inconsistent magnetic-field effects on different halogens make it difficult to understand the transition-energy behavior through a unified model. We propose a possible mechanism for the field effects that is based on a combination of the Rashba effect induced by strong spin-orbit coupling and the polaron effect caused by the polar nature of the inorganic elements.
description: 31 pages, 12 figures
Prehospital Sepsis Recognition and Outcomes for Patients with Sepsis by Race and Ethnicity
Creators: name: MacAllister, Sean A.
name: Fernandez, Antonio R.
name: Smith, Michael J.
name: Myers, J. Brent.
name: Crowe, Remle P.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Neuroscience
subject: Physiology
subject: Immunology
subject: FOS: Clinical medicine
subject: Mental Health
subject: Hematology

description: First medical contact for patients with sepsis often initiates in the prehospital setting, yet limited studies have explored the EMS sepsis recognition-mortality relationship. Racial and ethnic minority patients often have worse sepsis outcomes, yet the role of prehospital recognition in this inequity has not been explored. Our objective was to describe prehospital sepsis recognition and hospital mortality, with analysis by patient race and ethnicity. Using linked EMS and hospital records from the 2021 ESO Data Collaborative, we retrospectively analyzed 9-1-1 EMS transports for adult patients with emergency department ICD-10 sepsis diagnosis codes. EMS sepsis recognition was defined as a primary or secondary sepsis impression, use of an electronic health record specialty sepsis form, or a prehospital sepsis alert. We used multivariable logistic regression to assess the association between EMS sepsis recognition and hospital mortality, adjusting for age, sex, race and ethnicity, scene socioeconomic status, and documented clinical characteristics: altered mental status, hypotension, tachypnea, tachycardia, fever. We conducted a secondary analysis of patients who were positive for the quick sequential organ failure assessment (qSOFA) using first prehospital vital signs. We analyzed 20,172 records for EMS-transported patients with diagnosed sepsis. Overall, 8% of patients were Black, 8% were Hispanic, and 72% were White. Prehospital sepsis recognition was 18%. Prehospital sepsis recognition was similar across racial and ethnic groups (Black: 17.2%, Hispanic: 17.4%, White: 18.1%) and adjusted odds of sepsis recognition did not differ between racial and ethnic groups. Overall mortality was 11% (2,186). Prehospital sepsis recognition was associated with a 18% reduction in adjusted odds of mortality (OR: 0.82, 95% CI: 0.70-0.94). Of patients who were qSOFA positive in the field (n = 2,168), EMS sepsis recognition was 32% and was similar across race and ethnicities. Adjusted odds of mortality were 0.68 (95% CI: 0.53-0.88) when sepsis was recognized in the prehospital setting. EMS identified sepsis in fewer than one in three patients even after limiting to those positive for qSOFA, without differences by race and ethnicity. EMS sepsis recognition was associated with reduced odds of mortality; however, Black patients remained at greater odds of death suggesting additional factors that warrant investigation.
Development of an Emergency Notification System with GPS Sensors to Analyze Access Routes for Emergency Medical Services using IoT and Open Route Service
Creators: name: Rhutairat Hataitara
Publisher: name: Faculty of Informatics, Mahasarakham University
Year: 2024
Subjects: Emergency Notification System
Route Optimization
Web Map Application
Geo-IoT Technology

description: Journal of Applied Informatics and Technology, 6, 1, 52-64
Universal GRB jets from jet-cocoon interaction in massive stars
Creators: name: Lazzati, Davide
name: Begelman, Mitchell
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We consider the time-dependent evolution of a relativistic jet following its breakout through the surface of a massive compact star, as envisaged in the collapsar model of gamma-ray bursts. At breakout, the jet is tightly collimated by the pressure of its hot cocoon, which is created as the jet traverses the star. After breakout, the cocoon pressure drops and the jet expands toward its natural opening angle. We show that the evolving opening angle of the jet produces a stratification of the total energy with the off-axis angle, resulting in a universal morphology. The angular structure is largely independent of the initial beam pattern and depends only on the luminosity of the central engine. With the minimal assumption of a constant energy release we reproduce the theta^{-2} profile required to explain observations of afterglows.
description: 4 pages, uses emulateapj (macros included). Minor changes and expanded discussion. Accepted to ApJ
Three-Loop Results for Quark and Gluon Form Factors
Creators: name: Moch, S.
name: Vermaseren, J. A. M.
name: Vogt, A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the photon-quark-quark and Higgs-gluon-gluon form factors for on-shell massless quarks and gluons in perturbative QCD. Previous third-order results for the quark case are extended by calculating the fermion-loop contributions up to the finite terms in dimensional regularization. For the gluon case the complete set of infrared poles at three loops is derived. Using the exponentiation of the form factor, the latter results are employed to extract a function entering the infrared factorization of general third-order amplitudes. We evaluate the infrared finite absolute ratio of the time-like and space-like gluon form factors up to the fourth order in the strong coupling constant. The result supports previous indications that the perturbative expansion of the Higgs boson production rate at the LHC is under control.
description: 9 pages, LaTeX. FORM file of main results appended to source
A Persistent High-Energy Flux from the Heart of the Milky Way : Integral's view of the Galactic Center
Creators: name: Belanger, Guillaume
name: Goldwurm, Andrea
name: Renaud, Matthieu
name: Terrier, Regis
name: Melia, Fulvio
name: Lund, Niels
name: Paul, Jacques
name: Skinner, Gerry
name: Yusef-Zadeh, Farah
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The Ibis/Isgri imager on Integral detected for the first time a hard X-ray source, IGR J17456-2901, located within 1' of Sgr A* over the energy range 20-100 keV. Here we present the results of a detailed analysis of ~7 Ms of Integral observations of the GC. With an effective exposure of 4.7 Ms we have obtained more stringent positional constraints on this HE source and constructed its spectrum in the range 20-400 keV. Furthermore, by combining the Isgri spectrum with the total X-ray spectrum corresponding to the same physical region around SgrA* from XMM data, and collected during part of the Integral observations, we constructed and present the first accurate wide band HE spectrum for the central arcmins of the Galaxy. Our complete analysis of the emission properties of IGR shows that it is faint but persistent with no variability above 3 sigma contrary to what was alluded to in our first paper. This result, in conjunction with the spectral characteristics of the X-ray emission from this region, suggests that the source is most likely not point-like but, rather, that it is a compact, yet diffuse, non-thermal emission region. The centroid of IGR is estimated to be R.A.=17h45m42.5, decl.=-28deg59'28'', offset by 1' from the radio position of Sgr A* and with a positional uncertainty of 1'. Its 20-400 keV luminosity at 8 kpc is L=5.4x10^35 erg/sec. Very recently, Hess detected of a source of ~TeV g-rays also located within 1' of Sgr A*. We present arguments in favor of an interpretation according to which the photons detected by Integral and Hess arise from the same compact region of diffuse emission near the central BH and that the supernova remnant Sgr A East could play an important role as a contributor of very HE g-rays to the overall spectrum from this region.
description: 14 pages, 11 figures, Accepted for publication in ApJ
Constraint on hybrid stars with gravitational wave events
Creators: name: Zhang, Kilar
name: Lin, Feng-Li
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Motivated by the recent discoveries of compact objects from LIGO/Virgo observations, we study the possibility of identifying some of these objects as compact stars made of dark matter called dark stars, or the mix of dark and nuclear matters called hybrid stars. In particular, in GW190814, a new compact object with 2.6 $M_{\odot}$ is reported. This could be the lightest black hole, the heaviest neutron star, and a dark or hybrid star. In this work, we extend the discussion on the interpretations of the recent LIGO/Virgo events as hybrid stars made of various self-interacting dark matter (SIDM) in the isotropic limit. We pay particular attention to the saddle instability of the hybrid stars which will constrain the possible SIDM models.
description: 19 pages, 7 figures, for Universe special issue "Neutron Star Astrophysics"; v2: minor revisions, references added, published version
Cycles of death and memory : creating a modern funeral home
Creators: name: Gillis, Leigh-Anne
Publisher: name: University of British Columbia
Year: 2009

description: Within the context of the naturalness to which all life thrives, this thesis is concerned with the life-cycle of both humans paralled with building life as part and parcel of the other. Just as life cannot be perceived as a once through pipeline, buildings in the same breath cannot just simply be discarded without notions to how buildings can be designed differently. This is directly related to how North American society approaches the notion of the life cycle, death and the space which surrounds the disposition of the dead. The first half of this project uncovered the origins of the Canadian funeral home, the basis of the funeral home type, from the inception in the United States and Canada via a domestic Victorian precedent to the present day image. Through following funerary architecture evolution in Canada it has been surmised that it is the essence of society's funerary traditions and rituals which underpin the funeral home's space. This project expands on the spatial procession common to the Canadian funeral home as a tool to realize an alternative to architectural design. Although allowing the essence and needs of the funeral ritual to redefine the Canadian funeral home type. The project site at 100 Powell street, is located on the corner of Columbia street. Currently the old Oppenheimer building remains on half of the old land. Recently renovated it provides an in fill space that is presently acting as the parking lot for the old Oppenheimer building. The only ruminants on the project site is a two storey brick facade, as well as the three outer walls of the now demolished building. This project particularly uses the layers of time built into the site, the layers of history uncovered through research, and the knowledge of what presently exists on site. Thus it is the content of funerary space that I have uncovered in the directed studies that is extracted and played with to give form to a new urban in fill space. A space which rises out of the ruins of the old as well as reunites the surrounding relics.
Knee Joint Muscle Measurement Application for Physical Therapy Treatment
Creators: name: Wimonluk Pintusirakun
Publisher: name: Facultyof Informatics, Mahasarakham University
Year: 2024
Subjects: Knee Physical Therapy
Data Analysis
Performance Measurement
Motion Sensor
Knee Joint Muscle Measurement Program

description: Journal of Applied Informatics and Technology, 6, 1, 98-112
Prehospital Intervention Improves Outcomes for Patients Presenting in Atrial Fibrillation with Rapid Ventricular Response
Creators: name: Fornage, Louis B.
name: O’Neil, Christine
name: Dowker, Stephen R.
name: Wanta, Eric R.
name: Lewis, Ryan S.
name: Brown, Lawrence H.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Medicine
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences

description: To compare outcomes of patients presenting to emergency medical services (EMS) with atrial fibrillation with rapid ventricular response (AF-RVR) who did and did not receive prehospital advanced life support (ALS) rate or rhythm control intervention(s). This retrospective cohort study used the 2021 ESO Data Collaborative (Austin, TX) dataset. We identified 9-1-1 scene responses for patients aged 16 to 100 years old presenting with AF and an initial heart rate ≥ 110 beats per minute (bpm). Prehospital ALS interventions for AF-RVR included medications (e.g., calcium channel blockers, beta blockers, etc.) or electrical cardioversion. Outcome measures included prehospital rate control (i.e., final prehospital heart rate < 110 bpm), emergency department (ED) discharge to home, ED and hospital length of stay, and mortality. We also evaluated prehospital adverse events—specifically bradycardia, hypotension, and cardiac arrest. We used propensity score matching to compare outcomes among treated and untreated patients with similar demographic and clinical characteristics. We determined the average treatment effect on the treated (ATET) with 95% confidence intervals (CI) and the number needed to treat (NNT). After propensity score matching, prehospital outcomes were available for 4,859 treated patients matched with 4,859 similar untreated patients. Prehospital rate control was more frequent for treated than for untreated patients (41.0% vs. 18.2%, ATET +22.8%, CI: +21.1%; +24.6%, NNT = 5). Hospital outcomes were available for 1,347 treated patients matched with 1,347 similar untreated patients. Treated patients were more likely to be discharged from the ED (37.9% vs. 34.0%, ATET +3.9%, CI: +0.2%; +7.5%, NNT = 26) and less likely to die (4.3% vs. 6.7%, ATET −2.5%, CI: −4.2%; −0.8%, NNT = 40) compared to untreated patients. Hypotension occurred more often in treated patients (ATET +2.6%, CI: +1.5%; +3.7%), but resolved before ED arrival in 73% of affected patients. Otherwise, adverse event rates did not significantly differ for the two groups. In this propensity score matched study of patients presenting to EMS with AF-RVR, prehospital ALS interventions were associated with more frequent prehospital rate control, more frequent discharge to home from the ED, and lower mortality.
Generalized Galilei-Invariant Classical Mechanics
Creators: name: Woodcock, Harry
name: Havas, Peter
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: To describe the ``slow'' motions of n interacting mass points, we give the most general 4-d non-instantaneous, non-particle symmetric Galilei-invariant variational principle. It involves two-body invariants constructed from particle 4-positions and 4-velocities of the proper orthochronous inhomogeneous Galilei group. The resulting 4-d equations of motion and multiple-time conserved quantities involve integrals over the world lines of the other n-1 interacting particles. For a particular time-asymmetric retarded (advanced) interaction, we show the vanishing of all integrals over world-lines in the ten standard 4-d multiple-time conserved quantities, thus yielding a Newtonian-like initial value problem. This interaction gives 3-d non-instantaneous, non-particle symmetric, coupled non-linear second-order delay-differential equations of motion that involve only algebraic combinations of non-simultaneous particle positions, velocities, and accelerations. The ten 3-d non-instantaneous, non-particle symmetric conserved quantities involve only algebraic combinations of non-simultaneous particle positions and velocities. A two-body example with a generalized Newtonian gravity is provided. We suggest that this formalism might be useful as an alternative slow-motion mechanics for astrophysical applications.
description: 23 pages
Decomposition of exterior and symmetric squares in characteristic two
Creators: name: Korhonen, Mikko
Publisher: name: arXiv
Year: 2021
Subjects: subject: Representation Theory (math.RT)
subject: Group Theory (math.GR)
subject: FOS: Mathematics

description: Let $V$ be a finite-dimensional vector space over a field of characteristic two. As the main result of this paper, for every nilpotent element $e \in \mathfrak{sl}(V)$, we describe the Jordan normal form of $e$ on the $\mathfrak{sl}(V)$-modules $\wedge^2(V)$ and $S^2(V)$. In the case where $e$ is a regular nilpotent element, we are able to give a closed formula. We also consider the closely related problem of describing, for every unipotent element $u \in \operatorname{SL}(V)$, the Jordan normal form of $u$ on $\wedge^2(V)$ and $S^2(V)$. A recursive formula for the Jordan block sizes of $u$ on $\wedge^2(V)$ was given by Gow and Laffey (J. Group Theory 9 (2006), 659-672). We show that their proof can be adapted to give a similar formula for the Jordan block sizes of $u$ on $S^2(V)$.
description: to appear in Linear Algebra and its Applications
IJOD MAKTABI VA OLIY TA'LIM MUASSASALARINING HAMKORLIGI ASOSIDA IJOD MAKTABI O'QITUVCHILARINING ILMIY TADQIQOTCHILIGINI RIVOJLANTIRISH
Creators: name: Nurmatova Shoxyora Ilhomjon qizi
Publisher: name: Zenodo
Year: 2025

description: Annotatsiya: Ushbu maqolada ijod maktabi va oliy ta’lim muassasalari o‘rtasidagi hamkorlik asosida o‘qituvchilarning ilmiy-tadqiqotchilik faoliyatini rivojlantirish masalalari yoritilgan. Ijod maktablarining innovatsion ta’lim tizimidagi o‘rni, o‘qituvchilarning ilmiy izlanishlarini qo‘llab-quvvatlash muhimligi va bu jarayonda oliy ta’lim muassasalari bilan hamkorlikning samaradorligi ko‘rsatib o‘tilgan. Tadqiqot natijalari ilmiy-tadqiqotchilik faoliyatini rivojlantirish bo‘yicha amaliy tavsiyalar bilan mustahkamlangan.
The Warped Circumstellar Disk of HD100546
Creators: name: Quillen, Alice C.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We propose that the two armed spiral features seen in visible Hubble Space Telescope images of scattered light in HD100546's circumstellar disk are caused by the illumination of a warped outer disk. A tilt of 6-15 degrees from the symmetry plane can cause the observed surface brightness variations providing the disk is very twisted (highly warped) at radii greater than 200 AU where the spiral features are seen. Dust lanes are due in part to shadowing in the equatorial plane from the inner disk within a radius of 100 AU. HD100546's outer disk, if viewed edge-on, would appear similar to that of Beta Pictorus. A disk initially misaligned with a planetary system, becomes warped due to precession induced by planetesimal bodies and planets. However, the twistedness of HD100546's disk cannot be explained by precession during the lifetime of the system induced by a single Jovian mass planet within the clearing at ~13 AU. One possible explanation for the corrugated disk is that precession was induced by massive of bodies embedded in the disk at larger radius. This would require approximately a Jupiter mass of bodies well outside the central clearing at 13 AU and within the location of the spiral features or at radii approximately between 50-200 AU.
description: submitted to ApJ
The Development of Information System for The Management of Materials via QR Code and Line Notify With MVC Framework
Creators: name: Wisut Petcharat
Publisher: name: Faculty of Informatics, Mahasarakham University
Year: 2024
Subjects: Information System
Materials
QR Code
Line Notify
Model View Controller (MVC) Framework

description: Journal of Applied Informatics and Technology, 6, 1, 113-131
Prehospital sepsis recognition and outcomes for patients with sepsis by race and ethnicity
Creators: name: MacAllister, Sean
name: Fernandez, Antonio R.
name: Smith, Michael J.
name: Myers, J. Brent.
name: Crowe, Remle P.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Neuroscience
subject: Physiology
subject: Immunology
subject: FOS: Clinical medicine
subject: Mental Health
subject: Hematology

description: Background First medical contact for patients with sepsis often initiates in the prehospital setting, yet limited studies have explored the EMS sepsis recognition-mortality relationship. Racial and ethnic minority patients often have worse sepsis outcomes, yet the role of prehospital recognition in this inequity has not been explored. Our objective was to describe prehospital sepsis recognition and hospital mortality, with analysis by patient race and ethnicity. Methods Using linked EMS and hospital records from the 2021 ESO Data Collaborative, we retrospectively analyzed 9-1-1 EMS transports for adult patients with emergency department ICD-10 sepsis diagnosis codes. EMS sepsis recognition was defined as a primary or secondary sepsis impression, use of an electronic health record specialty sepsis form, or a prehospital sepsis alert. We used multivariable logistic regression to assess the association between EMS sepsis recognition and hospital mortality, adjusting for age, sex, race and ethnicity, scene socioeconomic status, and documented clinical characteristics: altered mental status, hypotension, tachypnea, tachycardia, fever. We conducted a secondary analysis of patients who were positive for the quick sequential organ failure assessment (qSOFA) using first prehospital vital signs. Results We analyzed 20,172 records for EMS-transported patients with diagnosed sepsis. Overall, 8% of patients were Black, 8% were Hispanic, and 72% were White. Prehospital sepsis recognition was 18%. Prehospital sepsis recognition was similar across racial and ethnic groups (Black: 17.2%, Hispanic: 17.4%, White: 18.1%) and adjusted odds of sepsis recognition did not differ between racial and ethnic groups. Overall mortality was 11% (2,186). Prehospital sepsis recognition was associated with a 18% reduction in odds of mortality (OR: 0.82, 95% CI: 0.70-0.94) after adjustment. Of patients who were qSOFA positive in the field (n = 2,168), EMS sepsis recognition was 32% and was similar across race and ethnicities. Adjusted odds of mortality were 0.68 (95% CI: 0.53-0.88) when sepsis was recognized in the prehospital setting. Conclusion EMS identified sepsis in fewer than one in three patients even after limiting to those positive for qSOFA, without differences by race and ethnicity. EMS sepsis recognition was associated with reduced odds of mortality; however, Black patients remained at greater odds of death suggesting additional factors that warrant investigation.
DO-CRIME: Dynamic On-sky Covariance Random Interaction Matrix Evaluation, a novel method for calibrating adaptive optics systems
Creators: name: Lai, Olivier
name: Chun, Mark
name: Dungee, Ryan
name: Lu, Jessica
name: Carbillet, Marcel
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Adaptive optics systems require a calibration procedure to operate, whether in closed loop or even more importantly in forward control. This calibration usually takes the form of an interaction matrix and is a measure of the response on the wavefront sensor to wavefront corrector stimulus. If this matrix is sufficiently well conditioned, it can be inverted to produce a control matrix, which allows to compute the optimal commands to apply to the wavefront corrector for a given wavefront sensor measurement vector. Interaction matrices are usually measured by means of an artificial source at the entrance focus of the adaptive optics system; however, adaptive secondary mirrors on Cassegrain telescopes offer no such focus and the measurement of their interaction matrices becomes more challenging and needs to be done on-sky using a natural star. The most common method is to generate a theoretical or simulated interaction matrix and adjust it parametrically (for example, decenter, magnification, rotation) using on-sky measurements. We propose a novel method of measuring on-sky interaction matrices ab initio from the telemetry stream of the AO system using random patterns on the deformable mirror with diagonal commands covariance matrices. The approach, being developed for the adaptive secondary mirror upgrade for the imaka wide-field AO system on the UH2.2m telescope project, is shown to work on-sky using the current imaka testbed.
Can there be neutrino oscillation in Gamma-Ray Bursts fireball ?
Creators: name: Sahu, Sarira
name: D'Olivo, J. C.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The central engine which powers the Gamma-Ray Burst (GRB) fireball, produces neutrinos in the energy range of about 5-20 MeV. Fractions of these neutrinos may propagate through the fireball which is far away from the central engine. We have studied the propagation of these neutrinos through the fireball which is contaminated by baryons and have shown that, resonant conversion of neutrinos are possible for the oscillations of nu_e to nu_{mu,tau}, nu_e to nu_s and anti-nu_(mu,tou) to anti-nu_s if the neutrino mass square difference and mixing angle are in the atmospheric and/or LSND range. On the other hand it is probably difficult for neutrinos to have resonant oscillation if the neutrino parameters are in the solar neutrino range. From the resonance condition we have estimated the fireball temperature and the baryon load in it.
description: 4 pages, two column text, To be published in Phys. Rev. D
M-theory on eight-manifolds revisited: N=1 supersymmetry and generalized Spin(7) structures
Creators: name: Tsimpis, Dimitrios
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: The requirement of ${\cal N}=1$ supersymmetry for M-theory backgrounds of the form of a warped product ${\cal M}\times_{w}X$, where $X$ is an eight-manifold and ${\cal M}$ is three-dimensional Minkowski or AdS space, implies the existence of a nowhere-vanishing Majorana spinor $ξ$ on $X$. $ξ$ lifts to a nowhere-vanishing spinor on the auxiliary nine-manifold $Y:=X\times S^1$, where $S^1$ is a circle of constant radius, implying the reduction of the structure group of $Y$ to $Spin(7)$. In general, however, there is no reduction of the structure group of $X$ itself. This situation can be described in the language of generalized $Spin(7)$ structures, defined in terms of certain spinors of $Spin(TY\oplus T^*Y)$. We express the condition for ${\cal N}=1$ supersymmetry in terms of differential equations for these spinors. In an equivalent formulation, working locally in the vicinity of any point in $X$ in terms of a `preferred' $Spin(7)$ structure, we show that the requirement of ${\cal N}=1$ supersymmetry amounts to solving for the intrinsic torsion and all irreducible flux components, except for the one lying in the $\bf{27}$ of $Spin(7)$, in terms of the warp factor and a one-form $L$ on $X$ (not necessarily nowhere-vanishing) constructed as a $ξ$ bilinear; in addition, $L$ is constrained to satisfy a pair of differential equations. The formalism based on the group $Spin(7)$ is the most suitable language in which to describe supersymmetric compactifications on eight-manifolds of $Spin(7)$ structure, and/or small-flux perturbations around supersymmetric compactifications on manifolds of $Spin(7)$ holonomy.
description: 24 pages. V2: introduction slightly extended, typos corrected in the text, references added. V3: the role of Spin(7) clarified, erroneous statements thereof corrected. New material on generalized Spin(7) structures in nine dimensions. To appear in JHEP
Towards a more individualised support of science competition participants – identification and examination of participant profiles based on cognitive and affective characteristics
Creators: name: Tschisgale, Paul
name: Steegh, Anneke
name: Kubsch, Marcus
name: Petersen, Stefan
name: Neumann, Knut
Publisher: name: Taylor & Francis
Year: 2024
Subjects: Biological Sciences not elsewhere classified
Developmental Biology
Science Policy
Mental Health

description: Science competitions target students interested in science with the aim to support them in developing science competence and career aspirations. Contrary to the common belief that science competition participants are exceptionally competent and strongly motivated to pursue a science career, there is growing evidence that the entirety of participants is rather heterogeneous in terms of their cognitive and affective characteristics. For science competitions to better support all participants in developing competence and career aspirations, a better understanding of the cognitive and affective characteristics of the entirety of participants is required. This study examined the Physics Olympiad as a specific type of science competitions, leading to a nuanced characterisation of N = 155 Physics Olympiad participants. Latent profile analyses revealed four participant profiles distinguished by specific patterns in cognitive abilities, physics interest, and physics self-efficacy. Profiles differed in their performance in the competition and their physics career aspiration. Grade level, gender, previous participation in the competition, and teacher support explained differences in profile membership. Our findings emphasise that Physics Olympiad participants are a heterogeneous group with varying needs and offer implications for more individualised support activities to better support the entirety of participants in developing science competence and career aspirations.
The eccentricity distribution of giant planets and their relation to super-Earths in the pebble accretion scenario
Creators: name: Bitsch, Bertram
name: Trifonov, Trifon
name: Izidoro, Andre
Publisher: name: arXiv
Year: 2020
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Observations of the population of cold Jupiter planets ($r>$1 AU) show that nearly all of these planets orbit their host star on eccentric orbits. For planets up to a few Jupiter masses, eccentric orbits are thought to be the outcome of planet-planet scattering events taking place after gas dispersal. We simulate the growth of planets via pebble and gas accretion as well as the migration of multiple planetary embryos in their gas disc. We then follow the long-term dynamical evolution of our formed planetary system up to 100 Myr after gas disc dispersal. We investigate the importance of the initial number of protoplanetary embryos and different damping rates of eccentricity and inclination during the gas phase for the final configuration of our planetary systems. We constrain our model by comparing the final dynamical structure of our simulated planetary systems to that of observed exoplanet systems. Our results show that the initial number of planetary embryos has only a minor impact on the final orbital eccentricity distribution of the giant planets, as long as damping of eccentricity and inclination is efficient. If damping is inefficient (slow), systems with a larger initial number of embryos harbor larger average eccentricities. In addition, for slow damping rates, we observe that scattering events already during the gas disc phase are common and that the giant planets formed in these simulations match the observed giant planet eccentricity distribution best. These simulations also show that massive giant planets (above Jupiter mass) on eccentric orbits are less likely to host inner super-Earths as these get lost during the scattering phase, while systems with less massive giant planets on nearly circular orbits should harbor systems of inner super-Earths. Finally, our simulations predict that giant planets are on average not single, but live in multi-planet systems.
description: 25 pages, 18 figures, accepted by A&A, with language corrections