cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Baseline Models for Bridge Performance Monitoring
Creators: name: Feng, Maria Q.
name: Kim, Doo Kie
name: Yi, Jin-Hak
name: Chen, Yangbo
Publisher: name: Columbia University
Year: 2004
Subjects: subject: Civil engineering
subject: FOS: Civil engineering
subject: Mechanical engineering
subject: FOS: Mechanical engineering

description: A baseline model is essential for long-term structural performance monitoring and evaluation. This study represents the first effort in applying a neural network-based system identification technique to establish and update a baseline finite element model of an instrumented highway bridge based on the measurement of its traffic-induced vibrations. The neural network approach is particularly effective in dealing with measurement of a large-scale structure by a limited number of sensors. In this study, sensor systems were installed on two highway bridges and extensive vibration data were collected, based on which modal parameters including natural frequencies and mode shapes of the bridges were extracted using the frequency domain decomposition method as well as the conventional peak picking method. Then an innovative neural network is designed with the input being the modal parameters and the output being the structural parameters of a three-dimensional finite element model of the bridge such as the mass and stiffness elements. After extensively training and testing through finite element analysis, the neural network became capable to identify, with a high level of accuracy, the structural parameter values based on the measured modal parameters, and thus the finite element model of the bridge was successfully updated to a baseline. The neural network developed in this study can be used for future baseline updates as the bridge being monitored periodically over its lifetime.
Structure and energetics of a ferroelectric organic crystal of phenazine and chloranilic acid
Creators: name: Lee, Kyuho
name: Kolb, Brian
name: Thonhauser, T.
name: Vanderbilt, David
name: Langreth, David C.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report first-principles calculations for a ferroelectric organic crystal of phenazine and chloranilic acid molecules. Weak intermolecular interactions are properly treated by using a second version of van der Waals density functional known as vdW-DF2 [K. Lee et al., Phys. Rev. B 82, 081101 (2010)]. Lattice constants, total energies, spontaneous electric polarizations, phonon modes and frequencies, and the energy barrier of proton transfer are calculated and compared with PBE and experiments whenever possible. We show that the donation of one proton from a chloranilic acid molecule to a neighboring phenazine molecule is energetically favorable. This proton transfer is the key structural change that breaks the centrosymmetry and leads to the ferroelectric structure. However, there is no unstable phonon associated with the proton transfer, and an energy barrier of 8 meV is found between the paraelectric and ferroelectric states.
description: 5 pages, 4 figures
Katrina, Rita, and the Failure of Imagination
Creators: name: Redlener, Irwin E.
Publisher: name: Columbia University
Year: 2005
Subjects: Emergency management--Planning
Disaster relief--Planning
Hurricane Katrina (2005)
Hurricane Rita (2005)

description: Americans have had to deal with disaster preparedness for decades, anticipating events such as industrial accidents, power plant meltdowns, natural disasters, and nuclear attacks. Since September 11, 2001, the nation has spent unprecedented resources, created new federal, state, and local agencies, and greatly intensified efforts to prepare for catastrophes. But when Hurricane Katrina hit, we were unable to respond in an organized and comprehensive manner. Hurricane Rita gave us a chance to correct some of our mistakes. But there was a series of additional flagrant missteps. It is obvious that we need to reexamine our most basic assumptions about planning for catastrophic events.
Additional file 1 of Low-biomass pyruvate production with engineered Vibrio natriegens is accompanied by parapyruvate formation
Creators: name: Hädrich, Maurice
name: Scheuchenegger, Clarissa
name: Vital, Sören-Tobias
name: Gunkel, Christoph
name: Müller, Susanne
name: Hoff, Josef
name: Borger, Jennifer
name: Glawischnig, Erich
name: Thoma, Felix
name: Blombach, Bastian
Publisher: name: figshare
Year: 2025
Subjects: subject: Biochemistry
subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified

description: Supplementary Material 1
Punção Aspirativa por Agulha Fina de Gânglio Linfático Axilar em Doentes com Nódulo Mamário: Avaliação e Correlação de Variáveis
Creators: name: Marques, Rita
name: Figueiredo, J P
name: Almeida, D
name: Martins, D
name: Sousa, V
name: Agapito, P
Publisher: name: Citotech Online - Case Review
Year: 2020

description: IntroduçãoA mama é uma glândula sensível à ação de hormonas, deste modo, dependendo da fase de vida da mulher, nomeadamente antes ou após a menopausa, a prevalência de diferentes tipos de lesões é variável. O carcinoma da mama é o que apresenta maior prevalência (34,6%) em mulheres portuguesas. A incidência do carcinoma da mama tem vindo a aumentar, sendo que afeta maioritariamente as mulheres pós-menopausa (75%). No entanto, as mulheres mais jovens apresentam tendencialmente pior prognóstico. A idade, tipo e grau histológico do carcinoma, metástase ganglionar e subtipo molecular são todos fatores importantes para seleção terapêutica, follow-up e prognóstico da doente.ObjetivoEsta investigação pretendeu correlacionar cinco variáveis: idade, metastização ganglionar,tipo e grau histológico e marcadores moleculares, em mulheres com nódulo mamário que foram submetidas a biópsia mamária e punção aspirativa de gânglio linfático axilar.Material e MétodosA amostra inclui 41 doentes, que realizaram biópsia de nódulo mamário e punção aspirativa de gânglio linfático axilar. As amostras de tecido mamário foram coradas pela técnica de Hematoxilina-Eosina, permitindo a avaliação do tipo e grau histológico da lesão. Foram ainda realizadas técnicas imunohistoquímicas, para determinação de marcação dos recetores de estrogénio e/ou progesterona, expressão de HER-2 e de Ki67. Na citologia de gânglio linfático axilar, metade dos esfregaços foram corados pela técnica May-Grünwald-Giemsa, e a outra metade pela técnica de Papanicolaou. Foi utilizado o Teste Exato de Fisher, com um nível de confiança de 95%, para um erro aleatório inferior 5%.ResultadosIdentificou-se uma relação significativa entre o grau histológico do carcinoma e o subtipo molecular (valor-p=0,047) e com a expressão deKi67 (valor-p=0,004). Todas as outras variáveis não demonstraram relação estatisticamente relevante.ConclusãoAssim, verificou-se que existe uma correlação entre o grau histológico do tumor com a expressão do marcador Ki67 e com o subtipo molecular do carcinoma.
description: Citotech Online - Case Review, N.º 5 (2019): Citotech Online - Case Review
The Price of Safety in an Active Network
Creators: name: Alexander, D. Scott
name: Menage, Paul B.
name: Keromytis, Angelos D.
name: Arbaugh, William A.
name: Anagnostakis, Kostas G.
name: Smith, Jonathan M.
Publisher: name: Columbia University
Year: 2001
Subjects: Computer science

description: Security is a major challenge for "Active Networking," accessible programmability creates numerous opportunities for mischief. The point at which programmability is exposed, e.g., through the loading and execution of code in network elements, must therefore be carefully crafted to ensure security. The SwitchWare active networking research project has studied the architectural implications of various tradeoffs between performance and security. Namespace protection and type safety were achieved with a module loader for active networks, ALIEN, which carefully delineated boundaries for privilege and dynamic updates. ALIEN supports two extensions, the Secure Active Network Environment (SANE), and the Resource Controlled Active Network Environment (RCANE). SANE extends ALIEN's node protection model into a distributed setting, and uses a secure bootstrap to guarantee integrity of the namespace protection system. RCANE provides resource isolation between active network node users, including separate heaps and robust time-division multiplexing of the node. The SANE and RCANE systems show that convincing active network security can be achieved. This paper contributes a measurement-based analysis of the costs of such security with an analysis of each system based on both execution traces and end-to-end behavior.
title: BI-RADS 5 microcalcifications: the role of mammographical-pathological correlation in detection and assessment of disease outcome
Creators: name: Jovanovic, Predrag
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Not applicable
subject: Not applicable
subject: Cancer
subject: Calcifications / Calculi
subject: Screening
subject: Education
subject: Mammography
subject: Oncology
subject: Breast

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: To present all mammographic manifestations of highly suspicious BI-RADS 5 microcalcifications. To emphasize the strong correlation between their mammographic appearances and histopathological findings. To highlight the role of...
COVERAGE: Detecting and Reacting to Worm Epidemics Using Cooperation and Validation
Creators: name: Anagnostakis, Kostas G.
name: Greenwald, Michael B.
name: Ioannidis, Sotiris
name: Keromytis, Angelos D.
Publisher: name: Columbia University
Year: 2007
Subjects: Computer science

description: Cooperative defensive systems communicate and cooperate in their response to worm attacks, but determine the presence of a worm attack solely on local information. Distributed worm detection and immunization systems track suspicious behavior at multiple cooperating nodes to determine whether  a worm attack is in progress. Earlier work has shown that cooperative systems can respond quickly to day-zero worms, while distributed detection systems allow detectors to be more conservative (i.e., paranoid) about potential attacks because they manage false alarms efficiently. In this paper we present our investigation into the complex tradeoffs in such systems between communication costs, computation overhead, accuracy of the local tests, estimation of viral virulence, and the fraction of the network infected before the attack crests. We evaluate the effectiveness of different system configurations in various simulations. Our experiments show that distributed algorithms are better able to balance effectiveness against worms and viruses with reduced cost in computation and communication when faced with false alarms. Furthermore, cooperative, distributed systems seem more robust against malicious participants in the immunization system than earlier cooperative but non-distributed approaches.
Dielectronic recombination data for dynamic finite-density plasmas II. The oxygen isoelectronic sequence
Creators: name: Zatsarinny, O.
name: Gorczyca, T. W.
name: Korista, K. T.
name: Badnell, N. R.
name: Savin, Daniel Wolf
Publisher: name: Columbia University
Year: 2003
Subjects: Astrophysics
Plasma (Ionized gases)
Physics
Microphysics

description: Dielectronic recombination (DR) and radiative recombination (RR) data for oxygen-like ions forming fluorine-like ions have been calculated as part of the assembly of a level-resolved DR and RR database necessary for modelling of dynamic finite-density plasmas (Badnell et al. 2003). Total DR and RR rate coefficients for F+ to Zn22+ are presented and the results discussed. By comparison between perturbative and R-matrix results, we find that RR/DR interference effects are negligible even for the lowest-charged F+ member. We also find that the 2→2 low-temperature DR (no change in the principal quantum number of the core electrons) does not scale smoothly with nuclear charge Z due to resonances straddling the ionization limit, thereby making explicit calculations for each ion necessary. These RR and DR data are suitable for modelling of solar and cosmic plasmas under conditions of collisional ionization equilibrium, photoionization equilibrium, and non-equilibrium ionization.
Application of Neural Networks for Estimation of Concrete Strength
Creators: name: Feng, Maria Q.
name: Kim, Jong-In
name: Kim, Doo Kie
name: Yazdani, Frank
Publisher: name: Columbia University
Year: 2004
Subjects: subject: Civil engineering
subject: FOS: Civil engineering
subject: Mechanical engineering
subject: FOS: Mechanical engineering

description: The uniaxial compressive strength of concrete is the most widely used criterion in producing concrete. Although testing of the uniaxial compressive strength of concrete specimens is done routinely, it is performed on the 28th day after concrete placement. At this point, it is too late to make improvements if the test result does not satisfy the required strength. Therefore, the strength estimation before the placement of concrete is highly desirable. This study presents the first effort in applying neural network-based system identification techniques to predict the compressive strength of concrete based on concrete mix proportions. Back-propagation neural networks were developed, trained, and tested using actual data sets of concrete mix proportions provided by two ready-mixed concrete companies. The compressive strengths estimated by the neural networks were verified by laboratory testing results. This study demonstrated that the neural network techniques are effective in estimating the compressive strength of concrete based on the mix proportions. Application of these techniques will contribute significantly to the concrete quality assurance.
title: Report-back on proposed Wildlife Advocacy Group
title: Launch: Wildlife Advocacy Group
titleType: AlternativeTitle
Creators: name: Sas-Rolfes, Michael 'T, Author
name: International Wildlife Ranching Symposium, Publisher
Publisher: name: Mountain Scholar
Year: 2016

description: Presented at the 9th international wildlife ranching symposium: wildlife - the key to prosperity for rural communities, held on 12-16 September 2016 at Hotel Safari & the Safari Court, Windhoek, Namibia.
On the Propagation of Slip Fronts at Frictional Interfaces
Creators: name: Kammer, David S.
name: Yastrebov, Vladislav A.
name: Spijker, Peter
name: Molinari, Jean-François
Publisher: name: arXiv
Year: 2011
Subjects: subject: Classical Physics (physics.class-ph)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The dynamic initiation of sliding at planar interfaces between deformable and rigid solids is studied with particular focus on the speed of the slip front. Recent experimental results showed a close relation between this speed and the local ratio of shear to normal stress measured before slip occurs (static stress ratio). Using a two-dimensional finite element model, we demonstrate, however, that fronts propagating in different directions do not have the same dynamics under similar stress conditions. A lack of correlation is also observed between accelerating and decelerating slip fronts. These effects cannot be entirely associated with static local stresses but call for a dynamic description. Considering a dynamic stress ratio (measured in front of the slip tip) instead of a static one reduces the above-mentioned inconsistencies. However, the effects of the direction and acceleration are still present. To overcome this we propose an energetic criterion that uniquely associates, independently on the direction of propagation and its acceleration, the slip front velocity with the relative rise of the energy density at the slip tip.
description: 15 pages, 6 figures
What brings you here? : a narrative inquiry into the decision to pursue a master's degree in counselling psychology
Creators: name: Leach Smith, Erin Theresa
Publisher: name: University of British Columbia
Year: 2011

description: While much has been written about students’ career development, not much is known about the real-life process by which students come to career decisions in today’s changing world of work. No studies have yet investigated the career decision-making (CDM) process of master’s in counselling psychology students specifically. As a result, the purpose of this study was to explore how and why people decide to study counselling. My research question was: “What is the experience of making and implementing the decision to pursue a master’s degree in counselling psychology?” Using the method of narrative inquiry, I conducted semi-structured interviews with eight master’s in counselling psychology students and the resulting narratives suggest thirteen cross-narrative themes. These themes encapsulate students’ experiences in terms of the process of decision-making, the influence of social context, motivations for pursuing the field of counselling, and motivations for entering and sustaining graduate studies. The findings suggest there is no one straight path that leads people to study counselling, but rather a process involving individual experiences, the influence of others, and a varying tempo of reflection and action. Both planned and unplanned events, as well as decision-making through intuition, emotion, and sometimes a sense of destiny or spiritual connection, are implicated. Themes also suggest that participants chose to study counselling because of the enjoyment of helping experiences, an interest in people, and a desire for meaningful work. Findings indicate the need for additional qualitative research into CDM processes. Implications for the practice of career counselling include expanding beyond traditional career counselling theories to include integration of non-rational and contextual decision-making approaches.
title: Occlusive vasculopathy in children with perinatal HIV infection
Creators: name: Titova, Maria
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Neuro
subject: CNS
subject: Paediatric
subject: Vascular
subject: MR
subject: MR-Angiography
subject: MR-Diffusion/Perfusion
subject: Diagnostic procedure
subject: AIDS
subject: Ischaemia / Infarction
subject: Obstruction / Occlusion
subject: Prospective
subject: Diagnostic or prognostic study
subject: Performed at one institution

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: To demonstrate the radiological picture of arterial occlusion disease in children with perinatal HIV...
title: Buckle Up! Seat-Belt Related Visceral, Vascular and Vertebral Injuries
Creators: name: Lie , Geoffrey
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Emergency Imaging
subject: Abdomen
subject: Arteries / Aorta
subject: Musculoskeletal spine
subject: CT
subject: Education
subject: Acute
subject: Not applicable

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: •To be aware of the constellation of injuries that constitute the seatbelt syndrome •To appreciate the importance ofmaintaining a high index suspicion forthese injuries in the presence of the seatbelt...
Tuning the Tricritical Point with Spin-orbit Coupling in Polarized Fermionic Condensates
Creators: name: Liao, Renyuan
name: Yi-Xiang, Yu
name: Liu, Wu-Ming
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We investigate a two-component atomic Fermi gas with population imbalance in the presence of Rashba-type spin-orbit coupling (SOC). As a competition between SOC and population imbalance, the finite-temperature phase diagram reveals a large varieties of new features, including the expanding of the superfluid state regime and the shrinking of both the phase separation and the normal regimes. For sufficiently strong SOC, the phase separation region disappears, giving way to the superfluid state. We find that the tricritical point moves toward regime of low temperature, high magnetic field, and high polarization as the SOC increases.
description: 4 pages, 5 figures
Comparação e Otimização de Métodos de Extração de DNA de Células Cervicais Colhidas em ThinPrep® PreservCyt™
Creators: name: Silva, Andreia
name: Salta, S
name: Henrique, R
name: Jerónimo, C
Publisher: name: Citotech Online - Case Review
Year: 2020

description: O cancro do colo do útero é o nono cancro mais incidente nas mulheres em Portugal. O rastreio desta neoplasia tem evoluído desde a citologia convencional até à deteção do Vírus do Papiloma Humano em colpocitologia cervico-vaginal em meio líquido. Atualmente, novos marcadores biomoleculares, como alterações na metilação do ácido desoxirribonucleico (DNA), têm sido estudados como meio de triagem de mulheres infetadas pelo Vírus do Papiloma Humano. O objetivo deste estudo foi otimizar e comparar três métodos de extração de DNA para análise da metilação. Extraiu-se DNA de dezasseis amostras de colpocitologia, colhidas em ThinPrep® PreservCyt™, através do método fenol-clorofórmio e dos kits QIAamp® MinElute™ Media (QIAGEN, Hilden) e Blood DNA Isolation Mini Kit(Norgen Biotek, Ontario). Após quantificação, o DNA foi modificado por bissulfito de sódio e amplificado por Reação em Cadeia da Polimerase Quantitativa de Metilação Específica para o gene β-Actina. Os valores médios de Cycle threshold (Ct) foram avaliados.O método fenol-clorofórmio teve maior input, e consequentemente conferiu maior quantidade de DNA. Com 15mL de amostra obteve-se 13500ng pelo método fenol-clorofórmio enquanto com 2mL de amostra se obteve 8940ng do kit QIAamp® MinElute™ Media e 927ng do Blood DNA Isolation Mini Kit. Contudo, os kits apresentaram maior eficácia de extração, bem como maior rapidez e facilidade de execução. Não se verificaram diferenças significativas entre os valores médios de Ct de cada método de extração nem entre amostrasarmazenadas durante dez ou catorze meses. Concluindo, os três métodos permitiram obter DNA para amplificação mas a otimização dos kits de extração revelou-se ser a opção mais vantajosa.
description: Citotech Online - Case Review, N.º 5 (2019): Citotech Online - Case Review
Safety and Security of Programmable Network Infrastructures
Creators: name: Alexander, D. Scott
name: Arbaugh, William A.
name: Keromytis, Angelos D.
name: Smith, Jonathan M.
Publisher: name: Columbia University
Year: 1998
Subjects: Computer science

description: Safety and security are two reliability properties of a system. A "safe" system provides protection against errors of trusted users, while a "secure" system protects against errors introduced by untrusted users. There is considerable overlap between mechanisms to support each property. Requirements for rapid service creation have stimulated the development of programmable network infrastructures, where end users or service providers can customize the properties of a network infrastructure while it continues to operate. A central concern of potential users of such systems is their reliability and, most specifically, their safety and security. In this article we explain the impact the network service model and architecture have on safety and security, and provide a model with which policies can be translated into restrictions of a general system. We illustrate these ideas with the Secure Active Network Environment (SANE) architecture, which provides a means of controlling access to the functions provided by any programmable infrastructure.
title: Urachal remnant pathologies: A pictoral essay.
Creators: name: Santos Salas, Xiomara
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Not applicable
subject: Not applicable
subject: Neoplasia
subject: Infection
subject: Congenital
subject: Cystography / Uretrography
subject: Ultrasound
subject: MR
subject: CT
subject: Urinary Tract / Bladder
subject: Anatomy
subject: Abdomen
subject: Genitourinary

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: Describe the embryologic development and anatomic features of the normal urachus. Identify and illustrate the spectrum of radiologic findings in both congenital and acquired urachal remnant pathologies. Name the key imaging features of infected...
Behind the Scenes in Wonderland: Re-assessing Curitiba's Planning Model
Creators: name: Irazabal Zurita, Clara E.
Publisher: name: Columbia University
Year: 1999
Subjects: City planning

description: Curitiba, Brazil, a metropolis of 2.4 million inhabitants in the southern state of Parana, has demonstrated a rapid improvement in urban quality over the last thirty-five years. The city has drawn worldwide recognition for its achievements and today is regarded by many as a model of urban planning and management. Yet, while some of Curitiba's successful strategies have received well-deserved attention, this ecological "wonderland" still faces some major challenges. A critical reassessment of the city is due, specificallY with regard to the characteristics of the planning model it offers and the role that citizens have played as this model has developed.
The Homeless Child Health Care Inventory: Assessing the Efficacy of Linkages to Primary Care
Creators: name: Redlener, Irwin E.
name: Karich, Kathleen M.
Publisher: name: Columbia University
Year: 1994
Subjects: Homeless children--Services for
Health services accessibility
Child health services

description: Each year, the New York City homeless family shelter system provides transitional housing for nearly 20,000 homeless children. While health care needs of these children are substantial, there is currently no system-wide mechanism for ensuring that they have access to appropriate medical care. This report analyzes information from the Homeless Child Health Care Inventory, a survey conducted by Montefiore Medical Center’s Division of Community Pediatrics, to examine the adequacy of health care resources available to the homeless children in New York City. Results showed that available health care resources varied considerably throughout the shelter system and that nearly 50% of homeless children in New York City did not have access to appropriate medical care.
Drug concentrations after topical and oral antiretroviral pre-exposure prophylaxis: implications for HIV prevention in women
Creators: name: Abdool Karim, Salim
name: Kashuba, Angela D. M.
name: Werner, Lise
name: Abdool Karim, Quarraisha
Publisher: name: Columbia University
Year: 2011
Subjects: Epidemiology

description: The early closure of a clinical trial assessing the effectiveness of oral antiretroviral pre-exposure prophylaxis (PrEP) in women, FEM-PrEP, is a substantial setback for HIV prevention. Expectations of this trial were high in view of favourable results from the pre-exposure prophylaxis initiative (iPrEX) trial, which studied the same drug and dosing strategy in men who have sex with men, and the Centre for the AIDS Programme of Research in South Africa (CAPRISA 004) trial,3 which tested tenofovir gel (a topical PrEP formulation) in heterosexual women. As a result, the interim FEM-PrEP trial results, announced on April 18, 2011, which showed no protection against HIV infection, were disappointing. Using publicly available information and data from other PrEP studies, we offer a potential explanation for the results of the FEM-PrEP trial.
title: Crohn’s disease findings on cross-sectional imaging
Creators: name: Cordeiro, Rodrigo
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Not applicable
subject: Not applicable
subject: Inflammation
subject: Imaging sequences
subject: Contrast agent-oral
subject: Contrast agent-intravenous
subject: MR
subject: CT-Enterography
subject: CT
subject: Small bowel
subject: Gastrointestinal tract
subject: Abdomen
subject: GI Tract

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: Review the role of cross-sectional imaging in small bowel assessment in Crohn's disease and understand their role in the diagnosis and follow-up of the...
Constraints on the pMSSM from searches for squarks and gluinos by ATLAS
Creators: name: Strübig, Antonia
name: Caron, Sascha
name: Rammensee, Michael
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We study the impact of the jets and missing transverse momentum SUSY analyses of the ATLAS experiment on the phenomenological MSSM (pMSSM). We investigate sets of SUSY models with a flat and logarithmic prior in the SUSY mass scale and a mass range up to 1 and 3 TeV, respectively. These models were found previously in the study 'Supersymmetry without Prejudice'. Removing models with long-lived SUSY particles, we show that 99% of 20000 randomly generated pMSSM model points with a flat prior and 87% for a logarithmic prior are excluded by the ATLAS results. For models with squarks and gluinos below 600 GeV all models of the pMSSM grid are excluded. We identify SUSY spectra where the current ATLAS search strategy is less sensitive and propose extensions to the inclusive jets search channel.
Mexican Investment After the Tequila Crisis: Basic Economics, "Confidence" Effects, or Market Imperfections?
Creators: name: Stiglitz, Joseph E.
name: Lederman, Daniel
name: Menendez, Ana Maria
name: Perry, Guillermo
Publisher: name: Columbia University
Year: 2003
Subjects: Economics

description: This study provides an empirical investigation of the determinants of the growth of investment in Mexico, especially after the Tequila crisis. The paper uses the Generalized Method of Moments estimator to determine if investment can be explained with a standard investment function. The model predicts well the recovery of investment; the tradable sector has an accelerator effect that exceeds that of the non-tradable sector. Domestic real interest rates and real exchange rate volatility are also significant. Results support the hypothesis of a "confidence" effect during the 1982-1983 crisis, but not during the Tequila crisis. There is also evidence of credit rationing.
An Estimator for statistical anisotropy from the CMB bispectrum
Creators: name: Bartolo, N.
name: Dimastrogiovanni, E.
name: Liguori, M.
name: Matarrese, S.
name: Riotto, A.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Various data analyses of the Cosmic Microwave Background (CMB) provide observational hints of statistical isotropy breaking. Some of these features can be studied within the framework of primordial vector fields in inflationary theories which generally display some level of statistical anisotropy both in the power spectrum and in higher-order correlation functions. Motivated by these observations and the recent theoretical developments in the study of primordial vector fields, we develop the formalism necessary to extract statistical anisotropy information from the three-point function of the CMB temperature anisotropy. We employ a simplified vector field model and parametrize the bispectrum of curvature fluctuations in such a way that all the information about statistical anisotropy is encoded in some parameters lambda_{LM} (which measure the anisotropic to the isotropic bispectrum amplitudes). For such a template bispectrum, we compute an optimal estimator for lambda_{LM} and the expected signal-to-noise ratio. We estimate that, for f_{NL} ~ 30, an experiment like Planck can be sensitive to a ratio of the anisotropic to the isotropic amplitudes of the bispectrum as small as 10%. Our results are complementary to the information coming from a power spectrum analysis and particularly relevant for those models where statistical anisotropy turns out to be suppressed in the power spectrum but not negligible in the bispectrum.
description: 25 pages, LaTeX file. Matches version accepted for publication in JCAP; some references added; Appendix C added to explain the order of the Edgeworth expansion employed
title: Light bulb in the pelvis – Rare case of pelvic paraganglioma
Creators: name: J. K., Aparna
Publisher: name: EURORAD
Year: 2025
Subjects: subject: Abdominal imaging
subject: Abdomen
subject: Pelvis
subject: CT
subject: Endocrine disorders
subject: Clinical Case

description: Clinical History: A 24-year-old lady presented to the emergency department with accelerated hypertension. She had a history of recurrent episodes of sudden onset palpitations, headache and giddiness for the past two years, with uncontrolled hypertension despite being on multiple antihypertensive medications. Her blood investigations revealed elevated serum normetanephrine (1990 pg/mL).

description: 24 years, female
Characterizing the effects of N/NRTIs on human telomerase activity in vitro and telomere maintenance in a transformed human cell model
Creators: name: Hukezalie, Kyle Reid
Publisher: name: University of British Columbia
Year: 2011

description: Telomeres are nucleoprotein structures found at the ends of most linear chromosomes. Telomeric DNA shortens with each cell division, effectively restricting the proliferative capacity of most human cells. Telomerase, a specialized reverse transcriptase (RT), is responsible for de novo synthesis of telomeric DNA, and is the only physiological mechanism through which some human cells extend their telomere length. Disruption in telomerase activity results in accelerated telomere attrition, which manifests as a loss in tissue regenerative capacity. In individuals infected with the human immunodeficiency virus (HIV), current clinical treatment guidelines prescribe the use of a long-term, combination drug therapy known as highly active anti-retroviral therapy (HAART). Nucleoside and non-nucleoside reverse transcriptase inhibitors (N/NRTIs) inhibit HIV RT and are integral components of HAART. There are both reported structural and mechanistic similarities between telomerase RT and HIV RT. Based on these observations, we hypothesized that N/NRTIs will inhibit telomerase in the same ways that they inhibit HIV RT, and that long-term exposure to these agents will limit telomere maintenance in telomerase-dependent cells. We tested our hypothesis using two approaches. First, N/NRTIs were tested against telomerase activity in vitro using a primer extension assay. All NRTIs tested in this assay inhibited human telomerase, and their relative potencies were compared to their respective dideoxynucleotide analog counterparts. The NNRTIs, which are non-competitive inhibitors of HIV RT, did not inhibit telomerase. In our second approach, we tested the effects of long-term, continuous treatment with N/NRTIs on telomere length maintenance in a transformed human cell model with constitutive telomerase activity. The rates of telomere length attrition in the presence of high doses of several NRTIs were consistent with maximal telomerase inhibition. In contrast, I observed minimal effects on telomere maintenance in cells treated with NNRTIs. My primer extension assay data corroborate conclusions from previous studies on telomerase biochemistry and support mechanistic conservation between telomerase RT and HIV RT. Collectively, my biochemical and cell culture studies demonstrated that telomerase inhibition by NRTIs could potentially lead to treatment complications in current antiretroviral therapies and encourage large-scale clinical and epidemiological studies on the effects of telomerase inhibition by these drugs.
Galaxy Pairs in COSMOS -- Merger Rate Evolution Since z=1
Creators: name: Xu, C. Kevin
name: Zhao, Yinghe
name: Scoville, N.
name: Capak, P.
name: Drory, N.
name: Gao, Y.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present results of a statistical study of the cosmic evolution of the mass dependent major-merger rate since z=1. A stellar mass limited sample of close major-merger pairs (the CPAIR sample) was selected from the archive of the COSMOS survey. Pair fractions at different redshifts derived using the CPAIR sample and a local K-band selected pair sample show no significant variations with stellar mass. The pair fraction exhibits moderately strong cosmic evolution, with the best-fitting evolutionary index m=2.2+-0.2. The best-fitting function for the merger rate implies that galaxies with stellar mass between 1E+10 -- 3E+11 M_sun have undergone 0.5 -- 1.5 major-mergers since z=1. Our results show that, for massive galaxies at z<1, major mergers involving star forming galaxies (i.e. wet and mixed mergers) can account for the formation of both ellipticals and red quiescent galaxies (RQGs). On the other hand, major mergers cannot be responsible for the formation of most low mass ellipticals and RQGs. Our quantitative estimates indicate that major mergers have significant impact on the stellar mass assembly of the most massive galaxies, but for less massive galaxies the stellar mass assembly is dominated by the star formation. Comparison with the mass dependent (U)LIRG rates suggests that the frequency of major-merger events is comparable to or higher than that of (U)LIRGs.
description: 18 pages, accepted by ApJ
title: ÐÑÐ»ÑÑÐ¸Ð¿Ð»ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾-Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¸Ð½ÑÐµÑÑÐµÑÐ¾Ð¼ÐµÑÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð´Ð°ÑÑÐ¸ÐºÐ¾Ð² Ñ Ð´Ð¸ÑÑÐµÑÐµÐ½ÑÐ¸Ð°Ð»ÑÐ½Ð¾Ð¹ ÑÑÐ²ÑÑÐ²Ð¸ÑÐµÐ»ÑÐ½Ð¾ÑÑÑÑ Ð¿Ð»ÐµÑ Ð¿ÑÐ¸ Ð¼Ð¾Ð´ÑÐ»ÑÑÐ¸Ð¸ ÑÐ¾ÐºÐ° Ð»Ð°Ð·ÐµÑÐ½Ð¾Ð³Ð¾ Ð¸ÑÑÐ¾ÑÐ½Ð¸ÐºÐ° Ð´Ð»Ñ Ð°ÐºÑÑÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ð¹
title: Ð½Ð°ÑÑÐ½ÑÐ¹ Ð´Ð¾ÐºÐ»Ð°Ð´
titleType: Subtitle
title: Multiplexing of fiber-optical interferometric sensors with differential sensitivity of the interferometer arms at modulation of the laser source current for acoustic measurements
Creators: name: Ð¡ÐºÐ»ÑÑÐ¾Ð², Ð¤Ð¸Ð»Ð¸Ð¿Ð¿
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: ÐÐ°ÑÑÐ¸ÐºÐ¸ Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾-Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ðµ
ÐÐ½ÑÐµÑÑÐµÑÐ¾Ð¼ÐµÑÑÑ
Ð´Ð¸ÑÑÐµÑÐµÐ½ÑÐ¸Ð°Ð»ÑÐ½Ð°Ñ ÑÑÐ²ÑÑÐ²Ð¸ÑÐµÐ»ÑÐ½Ð¾ÑÑÑ
Ð²ÑÐµÐ¼ÐµÐ½Ð½Ð¾Ðµ Ð¼ÑÐ»ÑÑÐ¸Ð¿Ð»ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
differential sensitivity
time division multiplexing

description: Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¿Ð»Ð°ÑÑÐ¸Ð½ÑÐ°ÑÑÐµ ÑÐ¸Ð¿Ñ Ð¿ÑÐµÐ¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»ÐµÐ¹ Ð´Ð»Ñ ÑÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ ÑÐ°Ð·Ð±Ð°Ð»Ð°Ð½ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÑ push-pull Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾-Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¸Ð½ÑÐµÑÑÐµÑÐ¾Ð¼ÐµÑÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð´Ð°ÑÑÐ¸ÐºÐ¾Ð² (ÐÐÐÐ). ÐÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÑ ÑÐ¸ÑÐ»ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ: ÑÐ°ÑÑÑÐ¾Ð²Ð¾Ðµ ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ Ð´ÐµÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¹ Ð¿ÑÐµÐ¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»Ñ Ð¿Ð¾Ð´ Ð²Ð¾Ð·Ð´ÐµÐ¹ÑÑÐ²Ð¸ÐµÐ¼ Ð·Ð²ÑÐºÐ¾Ð²Ð¾Ð³Ð¾ Ð´Ð°Ð²Ð»ÐµÐ½Ð¸Ñ Ð¸ Ð²Ð¸Ð±ÑÐ°ÑÐ¸Ð¸. ÐÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¾ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½Ð¾Ðµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ñ ÑÐ°Ð·Ð½Ð¾ÑÑÐ¸ ÑÐ°Ð· ÑÐµÐ»ÐµÐ²ÑÑ ÑÐ¸Ð³Ð½Ð°Ð»Ð¾Ð² ÑÑÐ²ÑÑÐ²Ð¸ÑÐµÐ»ÑÐ½ÑÑ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð² (Ð§Ð­) push-pull Ð°ÐºÑÑÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¸ Ð²Ð¸Ð±ÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÑ ÐÐÐÐ. ÐÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ñ Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ñ Ð¿Ð¾ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ñ Ð°ÐºÑÑÑÐ¸ÑÐµÑÐºÐ¾Ð¹ Ð¸ Ð²Ð¸Ð±ÑÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÑÐ²ÑÑÐ²Ð¸ÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ push-pull ÐÐÐÐ Ð² ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ð¸ Ñ ÑÑÐ°Ð´Ð¸ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÑ ÐµÐ¼Ð¾Ð¹ Ð²ÑÐµÐ¼ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¼ÑÐ»ÑÑÐ¸Ð¿Ð»ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÐÐÐÐ Ð´Ð»Ñ Ð°Ð½Ð°Ð»Ð¾Ð³Ð¸ÑÐ½Ð¾Ð³Ð¾ ÑÐ¸Ð¿Ð° Ð¿ÑÐµÐ¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»Ñ.
description: Flat types of transducers for the implementation of unbalanced push-pull fiber-optic interferometric sensors (FOIS) are considered. The results of numerical modeling are presented: raster distribution of transducer deformations under the influence of sound pressure and vibration. An experimental study of determining the phase difference of the target signals of the push-pull sensing elements of acoustic and vibration FOIS has been performed. Measurements were carried out to determine the acoustic and vibration sensitivity of a push-pull FOIS in comparison with the traditional FOIS time-division multiplexing scheme for a similar type of transducer.
An electronic model for solar cells including active interfaces and energy resolved defect densities
Creators: name: Glitzky, Annegret
Publisher: name: Weierstrass Institute
Year: 2011
Subjects: subject: Reaction-diffusion systems
subject: drift-diffusion processes
subject: active interfaces
subject: energy resolved defect densities
subject: existence
subject: uniqueness
subject: a priori estimates
subject: 35K57
subject: 35R05
subject: 35B45
subject: 78A35

description: We introduce an electronic model for solar cells taking into account heterostructures with active interfaces and energy resolved volume and interface trap densities. The model consists of continuity equations for electrons and holes with thermionic emission transfer conditions at the interface and of ODEs for the trap densities with energy level and spatial position as parameters, where the right hand sides contain generation-recombination as well as ionization reactions. This system is coupled with a Poisson equation for the electrostatic potential.  We show the thermodynamic correctness of the model and prove a priori estimates for the solutions to the evolution system. Moreover, existence and uniqueness of weak solutions of the problem are proven. For this purpose we solve a regularized problem and verify bounds of the corresponding solution not depending on the regularization level.
Globalization and Growth in Emerging Markets and the New Economy
Creators: name: Stiglitz, Joseph E.
Publisher: name: Columbia University
Year: 2003
Subjects: Economics

description: While today it is recognized that globalization may have adverse effects on particular groups, in this essay, I want to set forth some of the reasons why globalization, when not managed well, may actually be adverse to overall economic growth, and the ability of countries to take advantage of the advances associated with the New Economy. Not just the poor may suffer. There are several channels through which the adverse effects may run. In presenting these adverse effects, one needs to keep in mind the objective of the analysis: Because I believe that globalization can be a powerful positive force, I believe that it is imperative that one must face up to the downside risks, and design programs, policies, and institutions that address these concerns. If this is done, globalization will not only be more acceptable, it will be more beneficial. The fact that, say, trade on average is beneficial to growth is of limited relevance to a particular country, if it sometimes is not, or it brings benefits on average, but enormous costs on particular groups. Countries worry that they will be off the regression line--and in the wrong direction.
title: Arterial Spin Labelling (ASL) in Neuro-diagnostic dilemmas
Creators: name: Nedunchelian, Meena
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Neuro
subject: Emergency
subject: MR physics
subject: Neuroradiology brain
subject: MR
subject: MR-Diffusion/Perfusion
subject: Education
subject: Imaging sequences
subject: Acute
subject: Ischaemia / Infarction
subject: Seizure disorders
subject: Retrospective
subject: Observational
subject: Performed at one institution

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: To illustrate the role of Arterial Spin Labelling (ASL) in various neurological presentations using clinical vignettes and highlight its usefulness in addressing various problem statements To understand the clinical caveats and pitfallsin...
Fines and Fees in Community Corrections Pre-Registration
Creators: name: Mitchell, Kelly
name: Powell, Kathleen
name: Ruhland, Ebony
name: Link, Nathan
name: Hyatt, Jordan
name: Bohmert, Miriam J. Northcutt
name: O'Neil, Meghan M.
name: Laskorunsky, Julia
name: Shytierra Gaston
Publisher: name: Open Science Framework
Year: 2020
Subjects: subject: Legal Studies
subject: Criminology and Criminal Justice
subject: Law
subject: FOS: Law
subject: Sociology
subject: FOS: Sociology
subject: Criminology
subject: Courts
subject: Social and Behavioral Sciences

description: The Community Corrections Fines and Fees Project (CCFF) is a multi-state, mixed-methods study that examines how fines and fees operate in community corrections (probation and parole) and how fines and fees impact the ability of individuals to succeed on supervision in several U.S. states. This project is funded by Arnold Ventures.
A Hierarquização Constitucional dos Direitos da Personalidade
Creators: name: Florindo da Silva, Heleno
Publisher: name: Zenodo
Year: 2023

description: O presente artigo tratará de tema controverso no direito contemporâneo, qual seja, a hierarquização dos direitos de personalidade, que por natureza são indisponíveis, discorrendo acerca do início e do fim da personalidade, dos conceitos e das teorias acerca da possibilidade ou não dessa hierarquização, concluindo ao fim que a melhor opção ao julgador é a análise caso a caso do que se quer em juízo.
title: “Magic in our hand”-3D printing in radiology
Creators: name: Juković, Mirela
Publisher: name: European Congress of Radiology
Year: 2020
Subjects: subject: Not applicable
subject: Not applicable
subject: Education and training
subject: Computer Applications-3D
subject: CAD
subject: PACS
subject: CT-Angiography
subject: CT
subject: Professional issues
subject: Computer applications
subject: Anatomy
subject: Imaging Informatics
subject: Not applicable

description: Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References
description: Learning objectives: Is to indicate potential significance of 3D model printing in clinical and radiology practice, to point on importance of 3D printing implementation for medical student education and resident’s training and to present a workflow for making 3D...