Now showing items 136-155 of 65316

    • A "minimal" sodium channel construct consisting of ligated S5-P-S6 segments forms a toxin-activatable ionophore 

      Chen, Zhenhui; Alcayaga, Carmen; Suárez-Isla, Benjamin A.; O'Rourke, Brian; Tomaselli, Gordon; Marbán, Eduardo (2002)
      The large size (six membrane-spanning repeats in each of four domains) and asymmetric architecture of the voltage-dependent Na+ channel has hindered determination of its structure. With the goal of determining the minimum ...
    • A (5/3 +)-Approximation for unsplittable flow on a path: Placing small tasks into boxes 

      Grandoni, Fabrizio; Wiese, Andreas; Mömke, Tobias; Zhou, Hang (Association for Computing Machinery, 2018)
      © 2018 Association for Computing Machinery.In the unsplittable flow on a path problem (UFP) we are given a path with edge capacities and a collection of tasks. Each task is characterized by a subpath, a profit, and a demand. ...
    • A 1-D morphodynamic model for rill erosion 

      Papanicolaou, Athanasios; Sanford, John; Dermisis, Dimitrios; Mancilla Escobar, Gabriel (AMER GEOPHYSICAL UNION, 2010-09-30)
      The key objective of this paper is to develop a 1‐D hydrodynamic and sediment transport model, namely, RILL1D, that handles transcritical flows over abrupt changes (e.g., formation of pool crests and width change) in a ...
    • A 1.8-kg keloid of the arm [23] 

      Prado, Arturo S.; Fontbona, Monserrat (2006)
    • A 10 gene classifier for indeterminate thyroid nodules: development and multicenter accuracy study 

      González, Hernán E.; Martínez, José R.; Vargas Salas, Sergio; Solar, Antonieta; Véliz, Loreto; Cruz, Francisco; Arias, Tatiana; Loyola, Soledad; Horvath, Eleonora; Tala, Hernán; Traipe, Eufrosina; Meneses, Manuel; Marıín, Luis; Wohllk, Nelson; Díaz, René E.; Véliz, Jesús; Abalos Pineda, Pedro; Arroyo, Patricia; Mena, Natalia P.; Bracamonte, Milagros; Miranda, Giovanna; Bruce, Elsa; Urra, Soledad (Mary Ann Liebert, 2017)
      Background: In most of the world, diagnostic surgery remains the most frequent approach for indeterminate thyroid cytology. Although several molecular tests are available for testing in centralized commercial laboratories ...
    • A 14-mo zinc-supplementation trial in apparently healthy chilean preschool children 

      Ruz, Manuel; Castillo-Duran, Carlos; Lara, Ximena; Codoceo, Juana; Rebolledo, Annabella; Alalah, Eduardo (American Society for Nutrition, 1997)
      Apparently healthy preschool children (46 boys, 52 girls) aged 27-50 mo from low socioeconomic conditions who attended daycare centers in Santiago participated in a 14-mo long double-blind zinc supplementation trial. Unlike ...
    • A 2-year follow-up of a program for the control of cardiovascular risk factors among asymptomatic workers 

      Kauffmann,; Bunout Barnett, Daniel; Hidalgo, H.; Aicardi,; Rodríguez Rodríguez, Pablo Andrés; Cañas,; Roessler, Emilio (1992)
      In 1987, a cardiovascular risk profile was obtained on 836 workers of the National Electricity Co in Santiago. There were 714 males and 125 females, the mean age was 45 years (ES +/- 0.3). Hypertension (systolic pressure ...
    • A 205 kDa protein from non-neuronal cells in culture contains tubulin binding epitopes 

      Vial, Clarisa; Armas Portela, Rosario; Avila, Jesús; González, Mauricio; Maccioni Baraona, Ricardo (Kluwer Academic Publishers, 1995)
      Microtubule-associated proteins (MAPs) interact with tubulin in vitro and in vivo. Despite that there is a large amount of information on the roles of these proteins in neurons, the data on non-neuronal MAPs or MAPs-related ...
    • A 22,000-year record of monsoonal precipitation from northern chile's atacama desert 

      Betancourt, J. L.; Latorre, C.; Rech, J. A.; Quade, J.; Rylander, K. A. (American Association for the Advancement of Science, 2000)
      Fossil rodent middens and wetland deposits from the central Atacama Desert (22°to 24°S) indicate increasing summer precipitation, grass cover, and groundwater levels from 16.2 to 10.5 calendar kiloyears before present (ky ...
    • A 50 pc Scale View of Star Formation Efficiency across NGC 628 

      Kreckel, K.; Faesi, C.; Kruijssen, J. M. D.; Schruba, A.; Groves, B.; Leroy, A. K.; Bigiel, F.; Blanc, G. A.; Chevance, M.; Herrera C., Daniel; Hughes, A.; McElroy, R.; Pety, J.; Querejeta, M.; Rosolowsky, E.; Schinnerer, E.; Sun, J.; Usero, A.; Utomo, D. (Institute of Physics Publishing, 2018)
      © 2018. The American Astronomical Society. All rights reserved..Star formation is a multi-scale process that requires tracing cloud formation and stellar feedback within the local (≲kpc) and global galaxy environment. We ...
    • A 50 pc scale view of star formation efficiency across NGC 628 

      Kreckel, K.; Faesi, C.; Kruijssen, J. M. D.; Schruba, A.; Groves, B.; Leroy, A. K.; Bigiel, F.; Blanc, G. A.; Chevance, M.; Herrera C., Daniel; Hughes, A.; McElroy, R.; Pety, J.; Querejeta, M.; Rosolowsky, E.; Schinnerer, E.; Sun, J.; Usero, A.; Utomo, D. (IOP Publishing, 2018-08-20)
      Star formation is a multi-scale process that requires tracing cloud formation and stellar feedback within the local (less than or similar to kpc) and global galaxy environment. We present first results from two large ...
    • A Bargaining Model of Friendly and Hostile Takeovers 

      Loyola Fuentes, Gino; Portilla, Yolanda (Wiley, 2016)
      A bargaining model is developed that characterizes the conditions under which a takeover will either be friendly, hostile, or unsuccessful when the target management can tilt the selling procedure toward a white knight. The ...
    • A BAX/BAK and cyclophilin D-independent intrinsic apoptosis pathway 

      Zamorano, Sebastián; Rojas Rivera, Diego; Lisbona, Fernanda; Parra, Valentina; Court, Felipe A.; Villegas, Rosario; Cheng, Emily H.; Korsmeyer, Stanley J.; Lavandero González, Sergio; Hetz Flores, Claudio (2012)
      Most intrinsic death signals converge into the activation of pro-apoptotic BCL-2 family members BAX and BAK at the mitochondria, resulting in the release of cytochrome c and apoptosome activation. Chronic endoplasmic ...
    • A bayesian based methodology for indirect object search 

      Loncomilla, Patricio; Ruíz del Solar San Martín, Javier; Saavedra A., Marcelo (Springer, 2018)
      The main goal of this paper is to propose a Bayesian based methodology for implementing robot informed search for objects. The methodology uses convolutions between observation likelihoods of secondary objects and spatial ...
    • A Bayesian mixture-of-gaussians model for astronomical observations in interferometry 

      Araya Hernández, Lerko; Osses Alvarado, Axel; Silva Sánchez, Jorge; Tobar Henríquez, Felipe Arturo (IEEE, 2017)
      The interferometry problem addresses the estimation of an unknown quantity exploiting the interference among measurements from different sources. These measurements are obtained from the Fourier domain but are sparse and ...
    • A Bayesian semi-parametric approach to the ordinal calibration problem 

      Casanova, María Paz; Orellana Zapata, Yasna (Taylor & Francis, 2016)
      We introduce a semi-parametric Bayesian approach based on skewed Dirichlet processes priors for location parameters in the ordinal calibration problem. This approach allows the modeling of asymmetrical error distributions. ...
    • A bibliometric analysis of operations research and management science 

      Merigó Lindahl, José; Yang, Jian Bo (Elsevier, 2017)
      Bibliometric analysis is the quantitative study of bibliographic material. It provides a general picture of a research field that can be classified by papers, authors and journals. This paper presents a bibliometric overview ...
    • A bibliometric analysis of the first thirty years of the International Journal of Intelligent Systems 

      Merigó Lindahl, José; Blanco Mesa, Fabio; Gil Lafuente, Anna María; Yager, Ronald R. (IEEE, 2017)
      The International Journal of Intelligent Systems was created on 1986. Today, the journal has become thirty years old. In order to celebrate this anniversary, this study develops a bibliometric review of all the papers ...
    • A bibliometric analysis of the first twenty years of soft computing 

      Merigó Lindahl, José; Herrera Viedma, Enrique; Cobo, Manuel J.; Laengle Scarlazetta, Sigifredo; Rivas, Daniela (Springer, 2017)
      Soft Computing was launched in 1997. Today, the journal is becoming twenty years old. Motivated by this anniversary, this article develops a bibliometric analysis of the journal in order to identify the leading trends ...
    • A Bibliometric analysis of the first twenty-five years of the international journal of uncertainty, fuzziness and knowledge-based systems 

      Wang, Wanru; Laengle Scarlazetta, Sigifredo; Merigó Lindahl, José; Yu, Dejian; Herrera Viedma, Enrique; Cobo, Manuel J.; Bouchon Meunier, Bernadette (World Scientific Publ Co Pte Ltd, 2018)
      Since the International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems published its first issue in 1993, it has made important contributions to the research field of computer science. In this study, based ...